Fisher Coronet II User manual

OPERATING INSTRUCTIONS AND WARRANTY
WORLD
THE FISHER
Coronef
ll
HIGH FIDELITYRADIOPHONOGRAPH
LEADER IN HIGH FIDELITY
REGORD
CHANGER
CAUIION
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t
\l/rrH your purchase of a FISHER instrument you have completed a chain
v V of eventsthat began many months ago, in our research laboratories' For
it isthere that the basicconcept of the equipment you have acquired came into
being-its appearance,its functions, its quality of performance.
But the end step-your purchase-is merely a beginning. For you and your
family, it will provide years of musical pleasure. The FISHER is from its
inception designedto give long and trouble-free service, Some of the instru-
ments we made twenty-three years ago are still in use today!
It is our continuing desire that your FISHER give you always the best per-
formance of which it is capable.
If you needour assistance
at any time toward
that objective, please
keep in mind that we are always at your service'
IN CLOSING _
Many hours
have
beenspent
by our engineersandtechnical
writersto create
thisinstruction
bookfor your guidance
and
enjoyment.
If you wantthemost
out of your FISHER, there
is onlyoneway to obtainit. With theequipment
before
you,please readthisbooklet
carefully.It will be
timewell-spent'
rAlv^, Esl^tt-:
Tuhiyffinfu
Milestones
In
1937 America's
first high fidelity sound
systems.Fea-
tured a beam-poweramplifier,
inversefeedback,
acoustic sDeaker
compartments
(infinite bafile
and bassreflex)
and magneticcartridges.
1937 Firstexclusively
high
fidelityTRFtuner,
featuring
broad-tuning
20,000cycle
fidelity.
1937 First two-unithigh fidelity system
with separate
sDeakel
enclosure.
1938 Firstcoaxial
speaker
system.
1938 First high fidelity tuner with amplified
AVC.
1939 First Dynamic
RangeExpander.
1939 First 3-Way
speakerin a high fidelity system.
1939 First Center-of-Channel
TuningIndicator.
1945 First Preamplifier"Equalizer
with selectivepho-
nographequalization.
1945 First loggingscalefor simple
andaccurate
loca'
tion of stationfrequencies.
1948 First Dynamic
RangeExpanderwith feedback.
1949 First FM-AM
Tunerwith variableAFC.
1952 Firstso-Watt, all-triodeamplifier.
1952 First self-powered
Master
Audiocontrol.
1953 First self-powered.
electronic sharp-cut-off
fil-
ter systemfor high fidelity use.
1953 First lJniversal
Horn-TypeSpeakerEnclosure
for
anyroom locationandanyspeaker.
1953 First FM-AM
Receiver
with a CascodeFront
End.
1954 First low-cost
electronic
Mixer-Fader.
1954 First moderately-priced,
professlonal
FM Tuner
with TWo
meters.
1955 First Master Audio Control Chassis
with five-
positionmixing facilities.
588c50M-40
Aud io H istory
1955 First Peak
Power Indicator
in high fidelitv.
1955 First correctlyequalized,
direct tape-head
mas-
ter audio
controlsand
self-powered
preamplifier.
1956 First to incorDorate
Power Monitor in a home
amplifier.
1955 First All-Transistorized
Preamplifier-Equalizer.
1956 First dual dynamic
limiters in an FM tuner for
homeuse.
1956 First .PerformanceMonitor in a high quality
amplifier
for home use.
1956 First FM-AMtuner with TWo meters.
1956 First complete
graphicresponse
curve indicator
for bassandtreble.
1957 First GoldenCascodeFlvlTuner.
1957 First lvlicroRayTuningIndicator.
1958 First StereophonicRadio-Phonographwith Mag-
netic Stereo
Cartridge
1959 First high-qualityStereophonicRemoteControl
System.
1959 First complete Stereophonic FM-AM Receiver
(FM-AM
tuner, audio control, 40-watt amplifier.)
1960 First
completestereophonic
FM-AMreceiverwith
60-watt
power
amplifier.
1960 Firststereophonicreceiver
to use the new,revo-
lutionary Type-7591
power output tube. (Fea-
tured in the FISHER
800.)
1960 SmithsonianInstitution,Washington,0.C.,accepts
tor its collection America's first commercially
manufactured high fidelity radio-phonograph,
madeby Avery Fisherin 1937.
(c) www.fisherconsoles.com

(A TABLE
OF CONTENTS IS PROVIDEDON II-IEFOLLOWING
PAGEI
THE FISHER
CORONETII
W
High Fidelity Rodio ond Phonogroph
The Coronet has been designed with but one aim in mind - to provide a
complete high fidelity sound system for the home that will satisfy the mogt
critical eledtronic and aesthetic requirements. Towards tlis end, the FISHER
RADIO CORPORATION has chosen
the finest stereophoniccomponentsand com-
bined these with a master-crafted custom console. The result is a musical in-
strument of exceptional quality that will enhancethe decor of the most beauti-
fully appointed home.
Two separate, remarkably sensitive tuning sections bring you stereophonic
or monophonic FM and AM broadcasts.Combined with the tuning sections is a
Master Audio Control Center which permits you to adjust every nuanoeof sound
over the entire audio speclrum. A dual-channel Power Amplifier supplies 45
watts of undistorted music power. The world-famous Garrard Record Changer,
equippedwith a magnetic stereocartridge and a dia-ond LP stylus, will faithfully
reproduce every t)?e of monophonic LP and stereophonic record available. Lastly,
two multiple-speaker systems are provided to reproduce the full panoramic sweep
of stereophonic sound- from the simplest musical passage to the most complex
orchestralcresendo.
Advanced electronic desiga, the use of costly, durable materials, and un-
hurried fabrication - the necessarJr
elementsin maintaining the level of excel-
lence that is often lost in mass production - all of thesewill contribute toward
bringing you yearsof trouble-free performance and unsurpassed
listening pleasure.
These are the qualities which have for over two decades created the world wide
reputation enjoyed by F'ISHER products.
A NOTE
ON STEREOPHONIC
SOUND
Stereophonic sound is a giant step forward in the history of high fidelity
music reproduction. This unique dual-channel system offers a distinct advantage
over monophonic (single-channel) systemsby virtue of two important character-
istics - the dimensions of.d,irection and,depth. These liue sound qualities are
for the most part missing in monophonic syste-" because records are rirade
and reproduced over a single channel. This is analogous to listening to music
with one ear. Stereophonic recording techniques, however, utilize two separate
banks of microphones which are positioned in the left and right seetionsof the
orohestra,In this arrangement,the misysphones"hear" the music as we do--with
(c) www.fisherconsoles.com

TABLEOF CONTENTS
INSTALLING
THE CORONET
HOW TO OPERATE
THECORONET
A SHORT
OPERATING
GUIDE,
FOR
THE
MAN IN A HURRY
PAGE
3
4
CONNECTING
ADDITIONAT
COMPONENTS
STEP.BY-STEP
OPERATING
GUIDE I
5
8
0
two ears. The sound picked up by each bank of microphones is then fed to
independent
channels
and recorded
on disksor tape,or transmittedover separate
channelsof a stereophonic
broadcast.
To reproduce
orchestral
realism in the home,two separate
soundsystems
are
requiredio achieve
the stereophonic
effect.The stereo
sound output of a record
pluy"r, tape recorder,or tuner is fed to two separate
amplifier channels,
which
i., iurl drive two separate
speaker
systems.
Thus, instruments
locatedon the left
sideof theorchestra
areheardpredominately
in thespeakers
to your left (Channel
A) ; instruments
on the right sideof the orchestra
areheard predominantlyin tlre
speakers
to your right (Channel
B) ; while instruments
locatedin the centerap-
pearto beheardmidway between
thetwo speaker
systems.
The resultis a startling
sense
of presencerealized only at a live orehestral performance.
Stereophonicradio programs are now available in someareasthrough FM'AM
or FM-FM broadcasts.
The Coronet can be used for FM-AM broadcastsdirectly.
To receiveFM-FM transmissions,
an additional FM tuner is required. In the near
future, stereophonic
proglams will be broadcastover a single FM station, using one
of severalpropor"d methodsof FM multiplexing. When a standard systemol FM
multiplex transmission is adopted, you will be able to listen to theseplograms in
full stereophonic
soundby adding a FISHER multiplex adaptorto your Coronet.
Suchadaptors
will bemade
available
by FISHER RADIO CORPORATION assoon
as FM multiplex broadcastsare licensed by the Federal Communications Com'
mission.
The Coronetis provided with facilities for easyinstallation of the revolutionary
new FISHER SpacexpanderModel K-10. By adding the Spacexpander to your
Coronet,you will be able to createthe perfect illusion of concerthall sound in your
own listening room. The Spacexpander
efiectively increases
the acousticdimensions
o{ your room by adding the controlled reverberation of the bestconcert halls. We
recommend that you ask your dealer for a demonstration of this startling new
development.
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The sound system of the Coronet is equipped to accomodate any type of
additional Tuner, Tape Recorder or Record Changer you may wish to use to
listen to the various kinds of program material. See the section entitled "Con-
necting Additional Components," on page 10, for further information. The Coronet
is also-
equipped with a Center Channel Output to which an additional amplifier
and loudspeaker may be eonnected
to be used at another location.
|NSTAUING
THECORONET
Ihe Coronet operates on AC only. Conr'Lect
tle power cable at the back of
the cabinet to a wall outlet supplying 105 to 120 volt AC, at 60 cycles. Maximum
power co$iumption is 160 watts. (Vhere line voltage is too high or too low,
a step-down or step-up transformer will be necessary.For 50 cycle current, a
.p""irl adaptor pullef is required for the Record Changer turntable. In each
case,seeyour FISIIER dealer.)
record Ghonger. . .
The Record Changer ilraue4located in the
center of the Coronet, is held itr place during
transit by two screws at the rear of the cab'
inet. These screrf,s are identified by white
tags and should be removed with a screw
&ive.r.
The Record Chauger itsefi is held in place
during transit with screws, desigpated by white
tags, which secure it against wood bloeks be-
tween the (hanger base and mounting board.
Remove these screws, as well as tle wood
blocks Make cerr4;n also to remoYe the pro
tective coyer which guards ttre diamond stylus
on the Record (hanger carridge' Hold the
tone arm firmly with one hand' and with
the other pull the cover ofi.
Depress each side of the Changer to deter-
mine whether it ride'g freely on its spring
mormts. II it does not moYe dorarard and
bacl under hand preuure, colault your
FISHER dealcr.
wide suround sPeakers. ..
The Coronet is equippeil with a pair of
jacks at the rear of the cabinet for connection
to the FTSHER YS-L *Vide Sunount' lnrud-
speaker System- These diminutive matched
loudspeakers are placed ot tle sides of the
listening area. to create a breathtaking en-
veloping curtain of sound. Seeyour FISEER
dealer for further infornation.
the irner ontennos . . .
Separate FM and AM antennas are supplied
with the Coronet for the two types of recep'
tion. These antennes should be adequate in
all cases except extreme {ringe areas. If re'
sponse is weak, a rool antenna may be neces-
sary. Information for connectiug an additional
antentra is given below.
Flt ANTENNA: A folded dipole antenna is sup-
plied for FM reception. This antenna is
stapled to tle rear of the cabiuet along the
edges at the top.
In fringe areas, where the FM signal may
be weak, try repositioning the Coronet, lf' this
is not possible or if reception does not im-
prove a roof antenna may be substituted for
the FM dipole. This antenna should also be
connected to the FM antenna terminals.
'Do not use a roof antenna in strong signal
areas (generally, in large metropolitan areas
or in close proximity to FM transmitting sta-
tions), since this may cause an overload con"
dition in the highly sensitive input circuits of
your Coronet. You will find the folded dipole
antenna supplied with the Coronet more than
adequate in such areas.
Alt ANIENNA: The Coronet is also equipped
with a built-in ferrite loop antenna which is
nnuch less sensitive to static and noise than
conventional antennas. This loopstick, mounted
above the lelt rear chassis is connected lor use
when the AM antenna terminal is linked to
3
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GND as shown in Fig. 2. AIter the receiver is
turned on, the loopstick can be rotated, /rord-
zontally only, to the position which provides
the least noise pick-up and best average re-
ception lor eachAM station. To do this, loosen
the single hex nut which retains the right side
of the loopstick to the chassis. Make certain
that no power cables, loudspeaker leads, or
large metal objects are near the loopstick.
It is also possible to use the FM dipole or
FM roof antenna for AM reception. This can
be done simply by detaching the link between
terminals as shown in Fig. 2. (You will, of
course, lose the use of the loopstick.)
To receive weak or distant stations, & roof
antenna may be necessary. This antenna, (a
single insulated wire,) is connected to the sec-
ond AM antenna terminal with the link de-
tached, as shown in Fig. 3,.
In metropolitan or industrial areas, where a
great deal of electrical interference may exist,
a shieldeil lead-in cable should be used be-
tween the antenna and the receiver to assure
best reception. (Make sure to connect tle
shield to GND.)
AC Ofi ond Volume . . .
The AC.Ofi switch supplies power to the
Coronet and is combined with the Volume
Control. Turning this switch slightly clockwise
from the AC OFF position will turn power
on to the unit, as well as to any components
connected to the auxiliary AC receptacle, and
Iight the dial lamps. The Master Volume con-
trol varies the level of sound simultaneously
on both channels. Turning this control in a
clockwise direction increases the sound level
at both speaker systems,
SelectorSwitch...
The Seler:tor is a seven.position switch
whose purpose is to select &ny program source
you have connected to lhe Coronet as well as
Figure 3, Conneclion of AM roof anlenna
(link must be detached).
the FM and AM Tuners. The respective posi-
tions function as follows (reading clockwise).
TAPEHEAD:In this position you can play back
tape recordings through the Coronet from a
tape deck connected to the TAPE HEAD in-
puts. (This position is not used for playing
tape from tape recorders.)
PHONOTUse this position to select a record
player connected to the PHONO LOW or
PHONO HIGH input jacks.
HOW TO OPERATE THECORONET
Note: A simplifiedstep-by-step
operating
guide,
compiled
in tableform on pageI0,
will enableyou to select any program material you \.vish
to hear and set all
significant controls in a matter of seconds.
AM: Turn to this position
broadcasts.
FMr Turn to this position
broadcasts.
FM-AM: On this position, you can listen to
FI{-AM stereophonic broadcasts, if they are
to listen to AM
to listen to FM
Figure I. FM anlenna conneclions
Figvre 2, Using the FM antenna forAM reception.
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available in your area. The FM portion will be
heard on your left speaker system, the AM
portion on the right. Consult your newspaper
for the station to which each tuning section
should be set.
MPXI On this position, you can listen to FM
\Iultiplex broadcasts, provided the Coronet is
equipped with a multiplex adaptor, as de-
scritred on page 6. Use this position also to
listen to FM-FM stereo broadcasts, provided
an auxiliary FM tuner is connected to the
Coronet, as described on page 9.
AUX: Use this position to listen to any pro-
gram source connectedto the AUX jacks.
NOTE: it is also necessary to set the AUX
Switch on the rear panel to either AUX-
MONO or AUX -STEREO, depending on
'whether the program source is monophonic or
stereophonic.
fope-Phono Switch. . .
Use this switch only when you are playing a
record or tape through the sound system oI
the Coronet. Set the switch to either NIONO
or STEREO depending upon whether the
source is monophonic or stereophonic.
NOTE: If you play a monophonic record
with a stereo cartridge, set this switch to
MONO position for superior results. All verti.
cal rumble and noise will be eliminated.
Tope Monltor Switch . . .
IMPORTANT: The Tape Monitorswitch,
located on the rear chassis. is used in the ON
position only to monitor while recording a
broadcast or program source, originating lrom
the Coronet, on a tape recorder equipped with
separate recording and playback heads (or
when playing back recorded material lrom this
recorder.) This switch must be kept in OFF
position at all othet times; otberwise, the
Coronet will be inoperative.
FM
cnd AM Tuning...
The FM tuning knob selects FM stations in
the 88 to 108 megacycle band. The AM tuning
knob selects AM stations in the 530 to 1650
kilocycle band. Turning each knob will move
its respective pointer scross the dial scale and
vary the individual FM or AM MicroRay Tun-
ing Indicator.
The Tuning Indicators have a logarithmic
responseto the strength of broadcast signals;
that is, they respond with greatest sensitivity
to weak signals, and with less sensitivity to
strong signals, thus guarding against over.
loading the indicators. The bright bar of light
is divided by a dark narrow area. This area
will contract and expand continually as you
move the pointer across the dial towards the
station you have chosen. When you reach tle
station you wish to hear, the gap between the
two bright sections becomes smaller. You are
-tuned to the exact center of the station when
the gap is at its ndrrouest, Use these indica-
tors to achievegreater tuning accuracy.
LoggingScole...
In addition to the FM and AM scales,a 0
to 100 logging scale is included on the dial
glass,between the upper and lower scales.By
using this scale as a reference, you can tune
in your favorite FM and AM stations more
easily-the numerical order is linear and the
graduations are equal.
All Bondwidrh Switch . . .
If you are tuned to an AM station. and
there is no interlerence from an adjacent sta-
tion, keep this switch in BROAD position.
This will insure optimum frequency response
and best tonal quality. I{ there is station in-
terference, however, move this switch to
SHARP position for highly selectivetuning.
NOTE: When listening to an FM-AM stereo-
phonic broadcast, keep this switch in BROAD
position to provide the necessary wide Ire-
guency response to match the broad-band FM
signal.
Bossand Treble Conlrols . . .
The Bass and Treble controls permit you to
obtain the tonal qualities that are most suit-
able lor your listening requirements. The Bass
controls vary the intensity oI the low fre-
quency bass tones, while the Treble controls
vary the intensity of the high frequency treble
tones. Each set of controls consists of dual
knobs mounted one behind the other. The
smaller knobs, with the gold triangle marker,
6
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are used for Channel A; the large outer knobs,
with the dot, for Channel B. Turning either
knob will turn the other, thus permitting
simultaneous operation for both channels.
However, il you wish to adjust the tones lor
each channel separately, hold one knob while
turning the other, To increase or decrease bass
or treble intensity, turn these knobs toward
MAX or MIN, as required.
To listen to program material exactly as it
originates from s broadcasting studio, set these
controls to NORMAL. This is flat position and
is also equivalent to RIAA equalization when
the Selector switch is in the PHONO position.
The four numbered positions on each side oI
the controis are reference points which can be
used to obtain the equalization recommended
by record manufacturers. The following table
will serveas a guide for the necessary
settings
in each case. It should be emphasized again,
that these controls may be set at any position
dictated by personal listening preference or
room acousti'cs.
(NOTE: Equalization for tape
from a tape deck is automatic with the setting
of the Selector switch at TAPE HEAD. Equal-
ization for tape from a tape recorder is sup-
plied by the recorder circuitry.)
Type of
Equolizotion Boss freble
Gonlrols Gonlrols
(RIAA) : For play-
ing all stereophonic
and
nearmonophonic
records (manufac-
NORMAL NORMAL
tured1955or after,)
andfor FM andAM
reception.
(LP) : For playing
Long Playing rec. 3 (MIN) 2 (MIN)
ords manutactured
belore1955.
(78): For playing
old-typeshellac
rec- 2 (MIN) 1.5
(MAX)
ordscutat78RPM.
Loudness Conlour Switch . . .
As the over-all volume of sound is reduced,
our hearing efficiency drops ofi more rapidly
at the extreme ends o{ the tonal spectrum
(deep bass and upper treble-as established
by the Fletcher-Munson curves.) The Loud-
ness Contour E$/itch automatically compensates
for this natural relative hearing loss.
If you wish to listen at low volume, move
this switch to ON. Compensation will be in-
troduced to raise the highs and lows to a level
with your middie-frequency hearing sensitivity
Note: At high volume levels, leave this con-
trol in OFF position; otherwise, unrealistic
sound will result.
Bolqnce . . .
This control is used to obtain equal sound
levels at both speaker systems-an important
consideration for achieving the optimum ster-
eophonic efiect. (This is also advantageous for
monophonic operation where two channels are
used.) With the Balance control pointing
straight up, the volume at the left and right
speaker systemsshould be the same,theoretic-
ally. However, an imbalance may occur due to
room acoustics, record characteristics, listener
position, difterent speaker efficiencies etc. This
imbalance can be corrected easily by turning
the control slightly toward MAX-A or MAX-B
to increase the volume level at the lelt or right
speaker systems,as required. Use the numbers
as reference points.) It should be pointed out
that this is not a volume control; {or, as the
level oI sound is increased on one speaker sys-
tem, it is decreasedon the other, maintaining
the same overall sound output.
NOTE: It is possible to cut ofi the sound
entirely from the left or right speaker system
by advancing the Balance control to the ex-
treme MAX.B or NIAX-A position.
HlghFilter. . .
Use the High Filter Switch in the ON posi-
tion to eliminate record surface noise, distant
AM or FM station interference. and other un-
desirable high frequency noises originating in
your record player or tape recorder. Keep this,
switch in OFF position at all other times.
low Fiher. . .
Use
theLowFilter Switch
in theONposi
tion to eliminate turntable rumble, or other
low frequency interference. lrave this switch
in OFF position at all other times.
7
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Chonnel
Reverse.. .
In some early recordings' and possibly in
some present ones, the steteo arrangement of
sound may be reversed; that is, the right side
of the orchestra is heard on the left speaker,
and the le{t side on the right speaker. The
Channel Reverse switch will correct this con-
dition. By moving this switch to ON position'
the signal on Channel A (left) will be heard
on the right speaker, while the signal o' chan'
nel B (right) will be heard on the left speaker.
At all other times, leave this switch in OFF
position.
CONNECIING
ADDITIONAL
COMPONENTS
In addition to receivingregular FM and AM broadcasts
via the antennas,
the
Coronet
will reproduc"progru* materialfrom all types
of stereophonic
and mono-
phonic records
and tapes.
For this Purpose,
16 jacks are provided for connecting
,""o.d players,tape recorders,
tape decks,
a multiplex adaptor,and a centerchannel
amplifier. All jacks are located on the rear chassisand center panel as shown in
fig. S. Use thl fo[owing information to make Proper connectionsfor each com-
ponent.
Tcpe Recorders. . .
A standard stereophonic or monophonic tape
recorder can be used with the Cotonet in two
ways. First, you csn record the output ol
eitber the FM or AM tuners, or of a record
or tape being played through the Coronet'
Secondly, you can play back through the
Coronet previously recorded programs' Per-
manent connections between rhe Coronet and
the tape recorder can be made to carry out
these{unctions.
PTAYBACK
GONNECTIONS:
II your Tape Re'
corder is stereophonic and has separate recotd'
ing and playback heads, connect cables from
the A and B output or playback jacks to the
A and B MON input jacks on the Coronet'
If your Recorder is monophonic and has
sepdrate recording and playback heads, con'
nect a cable from the output or playback jack
to the A or B MON jack on the Coronet'
NOTE: The above connections will also per'
mit you to monitor material that is being re-
corded.
II your Recorder is stereophonic and has a
cotnrnon recording and playback head,,connect
cabfes lrom the A and B outputs of the Re'
corder to the A and B AUX input jacks on
the Coronet.
If your Recorder is monophonic and has a
corunon recording and playback head, con-
nect a cable lrom the output jack on the
Recorder to the A or B AUX input jack on
the Coronet.
INPUTSCHANNELA - OUTMS A
tnputscuxxEl I -J
@@) @@ @-@ @ orrffiox ..ro.., I 0#'616.)
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Figure
5. Rear
panel.
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RECORDING
CONNECTIONS:
II your Recorder is
stereoplnnic, connect cables from the A and
B REC output jacks on the Coronet, to the A
and B recording input jacks on tle Recorder.
If your Recorder is monophonic, connec! a
cable from the A or B REC output jack on
lhe Coronet to the recording input jack on the
Recorder.
TopeDecks...
A tape deck is the tape transport mechanism
of a tape recorder without the preamplifier and
audio controls. To provide playback lor re-
corded tapes, it must be connected to an
equalizer-amplifier. These facilities are lurn-
ished by the Coronet.
Stereophonic Tape Deckz connect the A and
B output cables from the tape deck to the
TAPE HEAD input jacks in Channel A and
B on the Coronet.
Monophonic Tape Deck: connect the single
output cable from the tape deck to the TAPE
HEAD input jack in Channel A.
IMPORTANT: The input jacks marked
TAPE HEAD provide amplification and equal-
ization. Do not connect standard tape record-
ers, which are equipped with preamplifiers or
amplifiers, to thesejacks,
FrUl-FM
Slereo...
This type of stereophonic broadcast, which
is available in some areas, requires an addi-
tional FN'I tuner. Connect the output cable
from the other tuner to the Channel B MPX
input jack. Connect a cable from the Chan-
nel A FX{ output jack tc the Channel A MPX
input jack. Turn the Selector Switch to MPX.
The FM tuner oI rhe Coronet till provide
the Channel A reception, heard on the left
speaker: wlrile the secontl
F,\l tuner provide.
reception for Channel B. heard on the right
speaker. Your daily newspaper should furnish
information regarding l'M-FN{ broadcasts in
your area.
Multiplex . . .
FM Multiplex broadcastsare a nelr method
oI transmitting the t'wo channels of a stereo-
phonic program over a single station. A Multi
plex Adaptor must be connected to an FM
Tuner in order to separatethe multiplex signal
into its lelt and right components. When this
new system has been approved, the Coronet
will be able to receive multiplex broadcasts
with the addition of a Multiplex adaptor.
Connect a cable lrom the MPX OUTPUT
jack on the rear chassisto the appropriate in-
put jack on your multiplex adaptor. Then con-
nect the Channel A and B output jacks of the
adaptor to the corresponding MPX input jacks
on the rear center panel. See the instructions
furnished with your adaptor for additional in-
formation.
Spocexponder
. . .
The FISHER Dynamic Spacexpander, Mod'
el K-10, may be added to yo:ur Coronet by
making the following connections.
l. Channel A REC output on the Coronet to
Channel A input on the Spacexpand'er.
2. Channel B REC output on the Coronet to
Channel B input on the Spacexpander,
3. Channel A MON input on lhe Coronet to
Channel A output on the Spacexpander.
4. Channel B MON input on the Coronet to
Channel B output on the Spacexpander.
Note: The Tape Monitor switch on the rear
panel must be in the ON position f or the
Spacexpander to operate...
Genler€hsnnel...
In large rooms, where it may be necessary to
space loudspeakers farther apart to increase
the spread of stereophonic sound, a "hole"
may develop in the center. This apparent lack
of sound in the center will become more no-
ticeable as the distance between the two
speaker systemsis increased. It is possible to
6ll in this gap with the addition of a center
channel amplifier and loudspeaker system.
The Coronet is equipped with a Center
Channel Output jack which is connected to a
divider network across the output stages of
Channel A and B. Equal portions oI the audio
output from each channel are thus combined
to provide a signal for a center "phantom"
channel. By connecting an additional amplifier
and loudspeaker to this output jack, and posi-
tioning the loudspeaker between the A and B
speaker systems, the stereophonic sound pat-
tern will be augmented.
9
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(c) www.fisherconsoles.com

The additional amplifier need not be
equipped with Bass and Treble controls, since
these are provided by the Coronet. A volume
control, or level set will be helpful, however,
so that the volume at the Center Speaker can
be adjusted. Connect a short length of shielded
cable, of the low capacitance type, from the
CENTER CHANNEL OUTPUT jack on the
rear chassis to an input of the center ampli-
fier. The length of cable from the amplifier
output to the speaker can be considerably
longer, (up to lfr) feet or more), depending
upon tle type of amplifier used.
NOTE: The center speaker can also be
placed in an adjoining room or other remote
location. Although the sound output wiU be
monophonic, it will contain the composite
stereo signals from both channels.
Auxiliory AGRecepfactes.
. .
The auxiliary AC receptacle on the rear
chassismay be usedasa power outlet for as-
sociated equipment having a combined. con-
sumption o[ 370 watts. This receptacle may be
used to accommodate record players, tape re-
corders or other components. Power is sup-
plied only when the AC Switch of.the Coronet
is turned on.
ql your seryice.. .
It is our desiretlat THE FISHER operares
to your complete
satisfaction.\Fe sdlicit your
correspondence
on any special problems that
may arise.After you havehad an opportunity
to familiarize yourselfwith THE FISHER, we
would appreciate hearing fron you concern-
ing how it is meetingwith your requirements.
your Fisherdeqler . . .
Be'sure to consult your FISHER dealer
promptly if any defect is indicated.Your
FISHER dealer standsready to assistyou at
any time.
tl
N83.lrrl GR350-21
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ffis)
YlJr'
fhe Msn Behind lhe Product
AVERY FISHER
Founder and President.
Fisher Radlo Co.pordtlon
-fwENTv-THREE yEARs AGo, Avery Fisher introduced Americars first high
I fidelity radio-phonograph. That instrument attained instant recognition, for it
opened a new era in the faithful reproduction of records and broadcasts.Some of its
featureswere so basic that they are used in all high fidelity equipment to this day. One
of thesemodels is now in the permanent collection of the Smithsonian Institution as an
example of the earliesthigh fidelity instruments commercially available in this country.
The engineering achievements of Avery Fisher and the world-wide reputation of his
products
have
beenthesubject
of descriptive
andbiographicalarticles
in Fortune, Time,
Pageant, TheNew York Times,Lile, Coronet, High Fidelity, Esquire, 7'he
Atlantic, and
other publications. Benefit concerts for the National Symphony Orchestra in Washing-
ton and the PhiladelphiaOrchestra,
demonstrating
recordingtechniques,and the great
advances
in the art of music reproduction, usedFISHER high fldelity instruments both
for recording and playback, to the enthralled audiences. FISHER equipment formed
the key part of the high fidelity demonstration at the American National Exposition in
Moscow, July 1959. FISHER FM and FM-AM tuners are the most widely used by
broadcast stations for monitoring and relay work, and by research organizations-
under conditions where absolute reliability and maximum sensitivity are a 'must.'
The FISHER instrument you have just purchasedwas designed
to give you many years
of pride and enjoyment. If you should desireinformation or assistance
on the perform-
anceof your FISHER, please
do not hesitate
to write directlyto Avery Fisher,
President,
Fisher Radio Corporation, Long Island City l, New York.
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