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D D D




250K-A Treble
12AX7 V1a 10pF




100K




100K
100K
250pf 820
+180 v. .022 12AT7 V4a 6V6 V5 392v SW 5:
+180 v. +195 v.
Impedance


68K
3.3M 170v
Normal




12AX7 .001 1K 3W Select
220K




100K
V1b (4 or 8




1M-A Vol
1.5K




220K 5%
82K 5%
.1 Yellow: 8-




250K-A Bass
.1 390v ohms)




1 ohm 1W 5%
ohm
68K




Master 1
.1




1M
+1.5 v.




50K A
Note A
+1.5 v. 22K 470




47pF
Yellow+Grn: 4-ohm
1M




25- 25+
25- 25+


.022




1 ohm 1W 5%
1.5K
1.5K




220K 5%
100K 5%
1M
75 v

Black and
Up to 50K ohm can




10K-A
black+yellow




Mid
be sed for some boost .1 1K 3W Hammond
here 180v .1 1.5K 1608




47
220K

470K
12AX7 12AT7 V4b 6V6 V6
V3b




-36.5v
320v
500 pf




392v
D
272DX:




100K
.0047 +394 (5Y3).
+404 (5U4G) Notes on rectifiers:
320 V +392v. With a 272DX PT and the 1608, the
195 V
amp has plenty of presence. A stiff
12AT7 12AX7 +282 v. C rectifier (5U4G) can be a bit harsh. With
V2 100kL 10K 1W 10K 1W B Choke A a 5Y3, responsiveness is excellent and
Reverb Trans V3a D overdrive is round & musical.




20-500
+ +




20-500




20-500
+ In neither case was there much
Dwell
1M A




- - - headroom