
www.SteamPoweredRadio.Com
-
ment. A high impedan
ce
program input circuit shall be
provided with a socket to accommodate a plug-in transformer
to permit
th
e use
of
a balanced line with isolation; both match-
ing and bridging inputsshall be available. Screw-type termina-
tion shall be provided for the balanced line input. A screw-
type
terminal board shall
be
provided for all outputs.
Th
e amplifier shall have outputs
of
8 ohms unbalanced
and 25 volts and 70.7 volts balanced, with a tone control cap-
able
of
tr
eble
cut
to -15db
at
10,000 Hz.
lt
shall
al
so have
separa
te
microphone and program controls. An AC power
outlet shall be provided. All transistors shall
be
provided with
the amplifier.
Th
e performance specifications shall
be
as
li
st•
ed
und
er Specifications.
WARRANTY
McMartin Broadcast and Audio
Pr
oducts
are
wnrranted
to
be
free from defects in workmanship FOREVER.
At
our
discretion, we will exchange
or
repair any
de
-
fective unit or component,
at
any time, without char~e. Ma-
terial and
co
mponents
ar
e guaranteed for a period of
90
days
horn
dat
e
of
original
pur
chase.
Tr
ansportation charges must
be
pr
epaid on equipment returned for warranty service.
This warranty does not extend to any
of
our
products
which
ha
ve been subjected to misuse, neglect, accidents,
in
-
co
rr
ect
wiring which is n
ot
our
own, improp
er
instalJ
at
ion,
or
to use in violation
of
the instructions furnished
by
us; nor
to units
that
have
be
en altered outside
our
factory.
REPLACEMENT PARTS
Symbol Stock Symbol Stock
No. No. Description No.
No.
Description
Q-1, Q-3 201049 T
ran
sistor SE-4002 R-16, R-17,
Q-2, Q-4,
Q-5
201022
Tran
sistor SE-4001 R-18, R-19 502112 Resistor
l0K
ohm ½W
Q-6 201052 Transistor 2N4.249 R-23, R-26 502060 Resistor
68
ohm ½W
Q-7,
Ql0
201020
Tran
sis
tor
MC-110 R-24 502096 Resistor 2.2K ohm P
ot
½W
R-20 536005 Resistor 10 ohms 20W
SR-1, SR-2,
R-
33 502110 Resistor 8.2K ohm ½W
SR-3 210008 Di
ode
R
cc
t
8D8
R-40 502084 Resistor
680
ohm ¼W
Z-1 220007 Zener 13V Silicon (lR-13) R-41
533009
Resistor
22
ohm SW
PL-1 291003 Leecraft 3200 N
eo
n 125V C-1, C-5 640016 Capacitor
.1
MFD
P
80
-20
l00V
Di
sc
R-1
502118 Resistor 18K ohm ½W C-2, C-13 640025 Capacitor
50
MFD 6.0V
R
-2
502124 Resistor 33K ohm ½W C-3 600011 Capacitor
50
MFD
25 VDC
R-
3,
R-31 502130 Resistor 56K ohm ½W C-4 600008
Ca
pacitor 250
MFD
25 VDC
R-4 502136 Resistor
lOOK
ohm ¼W C-6, C-8 600009 Capacitor 160
MFD
25 VDC
R-5, R-7, R-9, C-7 600013 Capacitor 100 M
FD
64
V
R21, R-25 502104 Resistor 4.7K ohm ½W C-10 640014 Capacitor 1
80
PF
500
VDC
R-27
, R-35, C-11, C-18 600006
Capa
citor 64
MFD
64
V
R-36, R-38 502104 R
<:!>
istor 4.7K ohm
½W
C-12 650011 Capacitor 270
PF
R-6, R-34, C-14, C-23 600022
Capa
citor 320
MDF
6.4 V
R-37 400014 Control lOK ohms
Pot
1/t
W
R88, R-22 502116 Resist
or
15K ohm ohm ½W C-16 601020
Cap
ac
itor JOO()
MFD
100 V
R-11 502076 Resistor
330
ohm ½ W C-19 600020 Capacitor 400
MFD
40 VDC
R-12 502102 Resist
or
3.9K ohm ½W C-20 640015 Capacitor .05
MFD
P 80-20
100 VDC Disc
R-13 502088 Resistor
lK
ohm
½W
C-22, C-17 630026 Capacitor .22
MFD
200 voe
R-14, R-28,
R-32 502068 Resistor 150K ohm ½W
T-1
910016 Trans
fom1
er
Output
R-15 533024 Resistor .27 ohm
5W
T-2
900007 Transformer Power