A and T Labs
K6 Audio Power Amplifier Assembly Manual
2001 A and T Labs Inc.
AMK6a
10
RCA input jack
SW1 *
K1 relay
R43 Level set
LED3 *
Fuse, 6A
¼” input jacks (If used) **
Coax #2 **
* Parts required for bridging option
** Parts required for differential input
3.2 INVERTER POWER SUPPLY
Much like the amplifiers, begin by installing resistors, capacitors, and diodes, carefully
checking values and orientations. (See parts placement Figure 5.)
3.2.1 Resistors:
ü
Part
Value
Identity
ü
Part
Value
Identity
R1
316
Or-brn-blu-blk
R23
1K
Brn-blk-blk-brn
R2
7.50K
Viol-grn-blk-brn
R24
100K
Brn-blk-blk-yel
R3
10K
Brn-blk-blk-red
R25
6.98K
Blu-wht-grey-brn
R4
4.7, 1/2W
Yel-viol-gold-gold
R26
100K
Brn-blk-blk-yel
R5
75
Viol-grn-blk-gold
R27
16.9K
Brn-blu-wht-red
R6
75
Viol-grn-blk-gold
R28
36.5K
Or-blu-grn-red
R7
75
Viol-grn-blk-gold
R29
15K
Brn-grn-blk-red
R8
75
Viol-grn-blk-gold
R30
100K
Brn-blk-blk-or
R9
75
Viol-grn-blk-gold
R31
16.9K
Brn-blu-wht-red
R10
75
Viol-grn-blk-gold
R32
36.5K
Or-blu-grn-red
R11
75
Viol-grn-blk-gold
R33
15K
Brn-grn-blk-red
R12
75
Viol-grn-blk-gold
R34
100K
Brn-blk-blk-or
R13
50, 25W
See note below
R35
100K
Brn-blk-blk-or
R14
Not used
R36
100K
Brn-blk-blk-or
R15
Not used
R37
46.4K
Yel-blu-yel-red
R16
200, .5W
Red-blk-blk-blk
R38
100K
Brn-blk-blk-or
R17
3.48K
Or-yel-grey-brn
R39
4.99K
Yel-wht-wht-brn
R18
1K
Brn-blk-blk-brn
R40
316
Or-brn-blu-blk
R19
2.05K
Red-blk-grn-brn
R41
1K, .5W
Brn-blk-blk-brn
R20
10K
Brn-blk-blk-red
R42
1K
Brn-blk-blk-brn
R21
10K
Brn-blk-blk-red
R43
22K 10W
R22
1K
Brn-blk-blk-brn
Note: R13 is mounted with a pair of short segments of wire soldered to the resistor tabs.
