Arcam SA-30 - Block Diagram; Speaker Output Connection

ELECTRICAL PARTS LIST
Ref. No. Description
Mfr
s Part No.
Resistors
(All carbon film 1/4w
5%,unless noted otherwise)
R72 75Kohm RFB375S
R81 75Kohm RFB375S
R61 10Kohm RFB310S
R86 7.5Kohm RFB275S
R83 7.5Kohm RFB275S
R77 5.6Kohm RFB256S
R74 5.6Kohm RFB256S
R70 5.6Kohm RFB256S
R84 4.7Kohm RFB247S
R66 3.9Kohm RFB239S
R65 3.9Kohm RFB239S
R87 1Kohm RFB210S
R58 62Kohm RFB362S
R62 82Kohm RFB382S
R67 1Kohm RFB210S
R76 820ohm RFB182S
R71 820ohm RFB182S
R73 680ohm RFB168S
R63 680ohm RFB168S
R9 3.3Mohm RFB533S
R3 3.3Mohm RFB533S
R59 47Kohm RFB347S
R69 82Kohm RFB382S
R10 560Kohm RFB456S
R4 560Kohm RFB456S
R23 390Kohm RFB439S
R24 330Kohm RFB433S
R19 100Kohm RFB410S
R18 100Kohm RFB410S
SPEAKER OUTPUT CONNECTION
the amplifier mag be used in conjunction with a speaker rated at 4,
8, 16 ohms or with 100V constant-voltage speaker systems.
BLOCK DIAGRAM
MIC1
MIC2
COM
4 OHM
8 OHM
16 OHM
100V
-55dB
10K ohms
50K ohms
-55dB
10K ohms
50K ohms
AUX
10K
PHONO
INPUT
INPUT
MASTER
POWER
AMP
POWER
SWITCH
AC FUSE
AC 117v/60Hz
150Hz
1KHz
6KHz
PRIORITY
TO POWER AMP
POWER LED
VOL PCB
POWER PCB
PU PCB
TO PRE AMP
OT-500
8W8W
COM 4W
Total impedance 16W
8W 16W 100V
8W8W
COM 4W
Total impedance 16W
8W 16W 100V
COM 4W 8W 16W 100V
8W8W
Total impedance 4W
16W16W
COM 4W
Total impedance 8W
8W 16W 100V