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Kalamazoo Model 1
Revision: 1
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Kalamazoo Amp Field Guide
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| Bill of Materials / 22 May 1999 |
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| Item | Quantity | Reference | Part |
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| 1 |
2 |
C1, C3 |
.01uF/400V |
| 2 |
1 |
C2 |
.0047/400V Orange Drop |
| 3 |
1 |
C4 |
10uF/10uF/20uF/350V min. (450V recommended)
electrolytic (2) |
| 4 |
1 |
C5 |
.022/600V |
| 5 |
2 |
R1, R2 |
47K 1/2W (1) |
| 6 |
2 |
R3, R7 |
2.2K 1/2W (1) |
| 7 |
3 |
R4, R8, R11 |
100K 1/2W (1) |
| 8 |
2 |
R5, R6 |
1M Audio taper |
| 9 |
1 |
R9 |
330K 1/2W (1) |
| 10 |
1 |
R10 |
150 1W (1) |
| 11 |
1 |
R12 |
2.2K 2W (1) (9) |
| 12 |
1 |
V1 |
12AX7A high-mu, dual triode (3) |
| 13 |
1 |
V2 |
6BQ5 Power amp pentode (4) |
| 14 |
1 |
V3 |
6X4 Full wave rectifier (5) |
| 15 |
1 |
T1 |
Power transformer,
250-0-250V@60mA, 6.3V@2.5A (6) |
| 16 |
1 |
T2 |
Output transformer, 5 watt min.,
Pri: 4K, Sec: 8 |
| 17 |
2 |
@1, @2 |
9 pin miniature tube socket |
| 18 |
1 |
@3 |
7 pin miniature tube socket |
| 19 |
1 |
J1 |
1/4" mono phone plug with switch |
| 20 |
1 |
J2 |
1/4" mono phone plug |
| 21 |
1 |
S1 |
Switch, SPST, 125V 1A (7) |
| 22 |
1 |
DS1 |
117V neon pilot lamp assembly |
| 23 |
1 |
F1 |
Fuse, 250V 1A |
| 24 |
2 |
TS1, TS2 |
Terminal strip, 2 lug no ground |
| 25 |
1 |
P1 |
Power cord (8) |
Notes:
- All fixed resistors are carbon composition
- May be replaced with separate electrolytics,
somewhat larger values acceptable (such as 20/30/40)
- Lower gain tubes not recommended
- or EL84
- or 6063 or 6X6GT
- specs derived from observed voltages, tube manual
- original was piggybacked to tone control
- original was 2 conductor, 3 conductor recommended
- original was 1K, 1/2W, which burns up
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