SWR RED HEAD PREAMP |
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600V |
1A |
+15V |
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+200V |
12k/1W |
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170V~ 220V~ |
+ |
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1n |
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100uF |
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470k |
1M |
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1M |
100/250V |
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3M9 |
470k |
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100/250V |
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470k |
+ 100 |
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active |
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100uF |
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to tuner |
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TL072 |
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82k |
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-15V |
+200V |
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1N4004 |
830/2W |
+55V |
7.5
from power amp
7.5
supply
7.5
7.5
1N4004 830/2W -55V
100p
100k
22n
470n
passive 
12AX7
1M 1k5
effects send
send
27k 22k
effect blend 
*
50k/A
22k
27k
effects return
10p |
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+ |
TL072 |
10k |
4k7
390p
50k/B
*
XLR pad
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390p |
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+200V |
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4k7 |
* |
GAIN |
1N4148 |
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10p |
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X |
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X |
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100p |
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100k |
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180k |
1N4148 |
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470k |
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100k/A |
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10p |
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22k |
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33k |
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22n |
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270k |
+ |
33k |
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+15V |
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1n |
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10k |
56k |
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mid |
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treble |
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+ TL072 |
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12AX7 |
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TL072 |
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Bass |
68n |
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50k/B |
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*50k/B |
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50k/B |
* |
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aural enhancer |
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100k |
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-15V |
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50k/A |
* |
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turbo |
normal |
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22k |
220n |
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1k5 |
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470 |
680 |
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100n |
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470n |
270n |
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33n |
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100 |
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100k |
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TL072 |
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1N4148 |
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3k3 |
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22n |
+ |
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3k3 |
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1k |
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X |
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TL072 |
33k |
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33n |
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+ |
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39p |
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100p |
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4k7 |
470k/B * |
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line-direct master |
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10k |
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mid freq |
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47k |
10k |
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double SPDT volume * |
+ |
100 |
to amp |
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+15V |
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+ |
toggle sw. |
33k/A |
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TL072 |
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470k |
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1N4002 |
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pwr amp clip |
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+15V |
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+15V |
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TL072 |
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82k |
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BA10339 /4 |
LED1 |
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8 |
14 |
2k2 |
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33k |
1M |
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LED1 |
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9 |
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470k |
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100k |
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preamp clip |
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33k |
1M |
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10k |
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100n |
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6 |
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4 |
2 |
1 |
2k2 |
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TL072 |
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unbalanced out |
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X |
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1k5 |
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+ |
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5 |
BA10339 /4 |
7 |
BA10339 /4 |
|||||||
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o |
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+15V |
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8k2 |
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1k5 |
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xlr balanced |
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10n |
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d.i. output |
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100k |
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TL072
100p
33k
+15V
10 + |
3 BA10339/4 |
|
13 |
11 12
gnd lift 
*
Loading...