Fisher 510 series User manual

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AVERY FISHER
Foundq oad President,
Fishu RadioCtpora,ion
The
Mqn Behind
the Product
1|vER 20
yEARS
AGo,Avery Fisher introduced America's first high fidelity radio-
\-/ phonograph. That instrument attained instant recognition asheralding a new
era in the enjoyment of reproduced music. A number of the features of that early high
fidelity radio-phonograph were so basic that they are used to this day in all high
fidelity equipment. The engineering achievementsof Avery Fisher and the world-wide
reputation of his products have beenthe subject of articles in Fortune, Tin're,
pageant,
The New York Times, coronet, Lile, High Fidetity, Esquire, and other publications.
Benefit concerts for the National Symphony orchestra in washington and the phila-
delphia orchestra, demonstrating the great advances in reproducing equipment, used
FISHER instruments to play back the recordings that had just been made in the
presenceof.the audience. "Fascinating evening, acoustically and musically," was the
Philadelphia Inquirer's comment, "the reproduction had remarkable fldelity." Trve
magazinestated,"Listeners could hardly tell the differencebetweenreal and electronic."
The FISHER instrument you have just purchased has been designedto give you many
years of pride and enjoyment. It is the product of a company dedicated to bringing
reproduced music in its finestform, to the homes of America. If at any time you should
desire information or assistance
regarding the performance of your FISHER instru-
ment, please
do not hesitateto write directly to Avery Fisher, president, Fisher Radio
coiporation, Long Island city 1, New York. Your communications will be welcome.
FTSHER 'FIRSTS' - Milestones In Audio History.. .
1937
first high fidelity soundsystems
featuring
a
beaq-power
amplifier,
inversefeedback,
acous-
tic spealercompartments
(intinitebaffle and
bassreflex)
and
magnetic
cartridges.
1937First
exclusively
highfidility TRF
tuner,
teaturins
broad-tuning
20,000
cyclefidelity.
1937First.twGunit
hightidelity
system
withseparate
speaxer
enct0sure.
1953First
FM-AM
Receiver
witha Cascode
Front
End.
t954 Firstlow-cost
electronic
Mixer-Fader.
1954Firstmoderately-priced,
professional
FMTuner
withTWo
meters.
1955
First Peak
Power
Indicator
in highfidelity.
1955
First Master
Audio
ControlChassis
with five-
position
mtxtng
tacilities,
1955
First
correctly
equalized,
direct
tape-head
mas-
teraudio
controls
and
self-powered
preamplifier.
1955
Firstto incorporate
Power
Monitor
in a home
amplifier.
1956
First All-Transistorized
Preamplifier-Equalizer.
1956
Firstdual
dynamic
limiters
in an FMtuner
for
home
use.
1956
First Performance
Monitorin a high quality
amplifier
for home
use.
1956
First
FM-AM
tuner
withTWO
meters.
1956First
complete
graphic
response
curveindicator
lor Dass
andtreble.
1957
First
coldCascode
FMTuner.
1957First
MicroRay
Tuning
Indicator.
1958FirstSlereophonic
Radio-Phonograph
with Mag-
neticStereo
Cartridce
t93E
193E
r939
1939
1
939
194tt
194E
1949
r952
r952
t953
1953
Firstcoaxial
speakersystem.
Firsthigh
tidelity
tunerwithamplified
AVC.
FirstDynamic
RangeExpander.
First
$WaySpeaker
in a high
fidelity
system.
First
Center-of-Channel
Tuning
Indicator.
FirstPreamplifier-
Equalizerwithselective
pho-
nograph
equalization.
First
Dynamic
RangeExpander
withfeedback.
FitstFM-AMTuner
withvariable AFC.
First
so-Watt,all-triode
amplifier.
First
self-powered
Master
AudioControl.
Firstself-powered,
electronic
sharp-cut-offfil-
ter systemfor hiSihfidelity
use.
First
UniversalHorn-Type
Speaker
Enclosure
for
anyroom
locationand
anyspeaker.

THE
FISHER
dfrht.pl^**
Seriesr'5IO"
THE FISHER ,ll0 is a superb high fidelity instrument housedin an unusually attrac-
tive furniture cabinet. It has beendesignedspecificallyfor stereophonic
reproduction in
conjunction with THB FISHER Stereo Companion,
in addition to its independentuse
as a completemonaural high fidelity phonograph.Simple plug-in receptaclesare Pro'
vided for the StereoContpotion and a variety of stereo
or manauralprogiam sources.
THE FISHER Amplifier and SpeakerSystemare capableof providing ample volume
for all your needgwithout a trace of distortion, and the ea6y-to-useStereoControl Center
permits the sound to be adjusted to your personal tastes.Your phonograph records,
stereophonib
and monaural, are safely and efiectively reproducedon the world-famous
Garrard four-speedautomatic record player' To the Garrardn FISHER has added a
stereophonic
cartridge equippedwith a iliamond LP stylus for long record life and mini
mum reeord wear. A separate
flip-over stylus is also provided for 78 r.p.m. recordings.
This cartridge is of the compatibletype, which means
that it will play either stereo
or
rnonaural recordings without requiring any type of adjustment"
The easewith which you can utilize the many wonderful featuresol the 510 will be
readily apparentwhen you haveread the concise,
yet complete,instructionson the pages
that follow.
STEREOPHONIC
SOUND
In monaural high fidelity systems, tbe reproduced sound has all the characteristics of
the original performances - with two exceptions. These are d,irection and,d,isnnce. With
the advent of stereophonic high fidelity systems, all the charaeteristics of live sound are
now capable of being reproduced in the home or auditotium. THE FISHER 5I4 in
conjunction with the Stereo Cornpanion, constitutes a complete stereophonic system.
Reproduetion of the live sound characteristics of direction and distance are made pos-
eible by the use of trto sound sources and.two sound channels. For example, two micro-
phones are placed before an orchestra so that they "hear" the music as we would, with
both ears. What is picked up by each microphone is then recorded separately and in-
dependently on reeord or tape, or broadcast as a stereo radio program. The stereo pro'
gram is then reproduced through two separate sound channels. The sound originally
picked up by the microphone on the left is used to drive a speaker system on your left,
while the souud picked up by the microphone on the right simultaneously drives a
speaker system placed on your right.
The efiectiveness of high fidelity stereophonic sound in achieving realism is much
greater than might be imagined on the basis of the simple explanation just given. The
stereo system actually spreads out the orchestral sound in the same manner as it would
emanate from a stage. In other words, instruments located at center stage are heard at a
point mid'way between the speakers. The other orchestral instruments can be located
accordingly from left to right. This results in a realism and clarity never belore possible
in high fidelity systems.
The {ollowing stereophonic program sources are already in use, or will be available
in the very near future: FM-AM' FM'FM, and FM Multiplex radio broadcasts; com-
mercial and home tape recordings; commercial disc recordings. THE FISHER is
equipped to handle all these sources, in addition to all standard monaural programs.

INSTATTATION
THE FISHER operates on AC only, The AC Power Cord at the back oI the insnu-
ment must be connected to a line receptacle supplying 105 to 125 volts at 60 cycles only.
A step-up transformer can be used where the line voltage is lower, a step-down trans-
Iormer where it is higher. Total power consumption of the 510 is 1I0 watts. A l-ampere
Slo-Blo type fuse is used to safeguard the instrument. Neaer insert a luse ol rating higher
than specifieil, or seaere d.amage may result,
Record Ghcnger
Be sure that the shipping screws designated by red and white tags bave been removed.
This is normally done when the instrument is delivered and set up. Be surs that the
protective cover on the underside oI the phonograph cartridge has been removed, ex-
posing the stylus. II it has not, hold the pick-up arm firmly and remove the cover
guard with a fingernail,
The Record Changer should ride on its shock mounts. This can be verified by de-
pressing each side of the Record Changer. Consult your FISHER Dealer i{ the changer
does not move downward under hand pressure.
Stereo Componion
THE FISHER has been designed for simple plug-in connection of the Stereo Cornpanion.
Consult the instructions provided with that unit when making the installation,
In positioning the 510 and the Stereo Companioz for the best stereo listening, certain
precautions should be observed, Placing the units in the room corners may introduce
undesirable acoustic efiects. Instead, try placing them against the same wall, a short
distance from the room corners. Allow for a minimum separation of about five feet
between the units. As a rule-of-thumb, the distance lrom the speaker wall to the listen-
ing area should be about twice the distance between the units, If your installation is
to be set up in a long narrow room, placing the units against the long wall may be
preferable to arranging them against the short wall of ttre room.
lnput Connections
Two pairs of input jacks are provided on the rear panel of the 510 for the connec-
tion of stereo and monaural program sources in addition to the record changer which
is a part oI THE FISHER.
IUNER INPUTS:When the 510 is used with the Stereo Conpanion, stereo tuners can be
plugged into the rUNER A and n Input Jacks on the 510. For example, an FM tuner can
be connected to rUNER e and an AM tuner to IUNER s. The FM tuner is then in use for
monaural broadcasts, and both tuners for FM-AM binaural broadcasts. The connection
to the TUNERr Input Jack can also be from a second FM tuner for FM-FM stereo
broadcasts, or from a multiplex adaptor for FM Multiplex stereo programs.
II the 510 is to be used without the Stereo Companion, simply connect your tuner,
FM or AM, to the rUNER e Input Jack.

AUX INPUTS:This pair of inputs can be used for stereo tape recorder playback, when
the installation includes the Stereo Companion. In monaural use, with or without the
Stereo Companion, the playback output of a monaural tape recorder, the sound portion
o{ a TV program, a shortwave tuner, or other high-level program source can be con.
nected to the Aux e Input Jack.
SOUNDFROM
SPEAKERS:
When using the 510 in conjunction with the Stereo Companion,
sound is heard from both units whether the system is being operated monaurally or
stereophonically.
After you have your stereo installation completed, try reversing the a and B inputs
to determine which arrangement provides the best stereo sound, {rom left to right.
REMOTESPEAKER:
Convenient terminals are provided on the back oI the 510 speeker
enclosure for connecting a remote speaker system. Wiring directions are provided on
the terminal strip.
THE
CONTROT
PANET
There are a number of controls on the 510 panel, each carefully marked for simple
use.Since the Stereo Cornpanion
has no controls of its own, the following paragraphs
apply whether you are using the 510 by itself, or in a stereo
installation.
AG Power On-Ofi
This switch is part of the Volume Control. The orr position is at the extreme counter.
clockwise point of rotation of the knob. Turning the knob clockwise from this position
results in a click {rom the control and the lighting of the jeweled pilot lamp in the
speaker frame, signi{ying that AC power has been turned on. It also signifies that AC
power is being supplied to the Stereo Companion, if installed. If you have been using
the Record Changer, turn it ofi first, allowing the pick-up arm to come to rest.
Chqnnel Selector
The six-position Channel Selector is used to select the type of operation, stereo or
monaural, and the program source.
PHONO: For playing stereo records, switch to the pHoNo'sruneo position. For playing
monaural records, use the PHoNo-MoNAuRar.position. No adjustment of the Record
Changer is needed {or playing monaural or stereo records. Simply set the flip-over stylus
for the correct speed. use r.p for 33 and 45 r.p.m. discs. use 78 for 78 r,p.m. recordings.
When using the Stereo Cornpanion with the 510, the prroNo-MoNAuner, position permits
a monaural record to be heard through both speakers,
TUNER: The rUNER-MoNAURII, position selects the program source connected to the
rUNER A Input Jack on the 5J0. In conjunction with the Stereo Companion, the runnn-
srrnno position selects the stereo tuners connected to both the ruNER a and tuttnn g
Input Jacks.
AUX: The AUX'IvToNAURAL
position allows you to utilize the program source connected
to the AUx A Input Jack on the 510. In the eux-srrnno position, you may listen to the
Etereo source connected to the aux e and n Inputs Jacks, in connection with the Srereo
Companion.
Audio Gontrols
The audio controls described below are ali of the dual-channel type. This is the reason
why the Stereo Companion can be used to complete your stereo installation without the

necessity of adding additional controls. In the monaural installation, they operate to
control the sound characteristics of the 510. In the stereo installation, they control the
sound characteristics of both the 510 ar,d the Stereo Companion at the same time, the
Volume Control serving as the master volume control for the entire system. Control
operation as described below, therefore, applies to either monaural or stereo operation'
BA55 TONE: When the gold marker on this knob points straight up, the bass tones are
reproduced just as they come from the program source. This is the flat, or uniform
response, setting. Bass tone intensity can be reduced by turning the control toward the
urN position on the left, while turning it toward the ulx position on the right increases
it. At high volume, it is best not to use extreme clockwise settings of this control, since
distortion of sound may occur.
TREBIE
ToNE: When the gold marker on this knob is pointing straight up, the treble
tones are unafiected by the 510. For a more intimate tonal quality, turn the control to
the left (toward rurN) to the desired degree. For a more brilliant tone' turn the knob
toward the lrax position on the right.
VotUME CONIROI: Speaker volume is controlled by the knob near$t you on the 510
control panel. Turning the knob clockwise reeults in an increasing volume of sound
from the speakers.
CHASSIS
ADJUSTMENTS
Two separateadjustments are provided on the 5I0 chassisfor the purposeof sup-
pressinghum. For their location, seethe Tube Layout Diagram afrxed to the rear oI
the cabinet.The 510 is also provided with an amplifier level adjustment.
HUMADJUST
l: With no program being played, turn the Volume Control to minimum.
Turn the ChannelA Level Set on the chassisto maximum (clockwise). Using a small
slot-head
screwdriver,
rotate Hum Adjust I on the chaesisfor milimum hum, as heard
through the 510speakers.
HUM ADJUST
2: Turn the 510 Volume Control to maximum. The ChannelA Level Set
remains at maximum. Rotate Hum Adjust 2 on the chassis
for minimum hum from the
510, using a small slot'headscrewdriver.
STEREO:
Per{ormthis steponly if you are using theSterenCompanion.After setting Hum
Adjust I and 2 as describedabove,re-set Hum Adjust L slightly for minimum hum
from the StereoCompanion
speakers,
with the 510 Volume Control at maximum.
CHANNET
A IEVELSET:
This adjustmentshou]dbe left at maximum when the 510is used
alone.When usedin conjunction with the Stereo Contpanion,
tbe ChannelA Level Set
providesa way to obtain an equal volume of sound from both speakers,Set both the
510 ChannelA Level Set and the StereoCompdnionInput Level AdJustmentto msxi-
mum. Reduceone or the other, as nec€ssary,
to obtain proper volume balance.
At Your Service
It is the constantdesire of Fisher Radio Corporation to haveyour FISHER give you
its best possibleperformance.
Toward that objective,we solicit your corespondence
on
any special problemsthat may arise. After you have had an opportunity to familiarize
yoursell with THE FISHER, we would appreciateyour letting us know how it is meet-
ing your requirements.
Your FISHER
Deqler
Be sure to consultyour FISHER Dealerpromptly il anysituation arises
that indicates
a possibledefect.Your FISHER Dealerstandsready to assiet
you at any time.

o finol word . . .
Have this booklet handy while you get acquainted
with your new FISHER , thenke6p
it in a safe
place
as
a valuable
reference
to which you santurn.-
If any question
arises
to which you cannotfind the
answer,-please
donot hesitate
to wiite us.
We'll be
glad
to hearfrom you,andaprompt reptywiil follow.
A*y 6rxr"t-
--L Avrny FrsHEn,
PRESIDENT
I

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