Instruction manual

output Connections
Using Octal Socket
4 ohms - pins and 2
8
ohms - pins 1 and 3
16 ohms - pins 1 and 4
600 ohms - pins 7 and 8
(pin 6 is CT and ground)
70.7 Volts - pins 5 and 6
(pin 6 is ground)
Pre-Amplifier Input
Socket Connections
Pin 1 - ground
Pin 2 - pre-amp input (2.5V)
Pin 3 - not used
Pin 4 - +3l0V at 3.5 lOa.
Pin 5 - .5v input
Pin 6 - not used
Pins 7 and 8 - 6.3V at 1 amp.
Note 1 - This jumper, strap
may be removed if ungrounded
low impedance outputs are
desired.
Rl 500K Pot., Gain Adj.
R2 lOOK
R3 27K
R4 3.3M
R5 3.3K
R6 68 ohms, 5%
R7 lOOK
R8 330K
R9 680K
R10 18K, 1W
Rll 1.2M
R12 1M
R13 2.2K, 5%
R14 27K, 5%
R15 30K, 5%
R16 220K
R17 1.2K
R18 220K
R19 12K, 2W*
R20 12K, 2W*
R21 120K, 5%
R22 1M C1
R23
820K, 5% C2
R24 1M C3
R25 220K C4
R26
220K C5
R27 10K, lOW C6
R28 150 ohm lOW C7
R29 250 obm Pot. C8
R30 3.3K C9
R31
2.2M ClO
R32 330K Cll
R33 220K C12A
R34
220K C12B
R35 180K C12C
*Ma tcbed to wi tbJ.n 1% C13
M-l 2.5 47
RI
GAIN
.lmf, 400V
.47mf, 200V
lOOmf J 12WV
.22mf, 400V
• 22mf , 400V
.1mf, 400V
470mmf, 500V
.047mf, 600V
• 047mf, 600V
• 25mf, 600V
.25mf, 600V
40mf, 500V
80rnf, 450V
20mf, 450V
10mf J 450V
TO
FIL.
PRE-AMP. INPUT
.5V INPUT
OUTPUT
NOTE I
M-150B
R~
\~,------~--------------------~------------r-----~
R27 R28
f'2C }12B 112A Jcl3
SERIAL NOS. 15329 AND ABOVE
5-15-56
~
TOFIL .
R29
-=- HUM ADJ.
TO FIL.
MCiNTOSH LABORATORY, INC.
J.W.C.
MODEL
MC-30, TYPE A-116B, POWER AMPLifiER
DItAWING NUM ... R
MC-30-4