Sunn alpha 4 mixer

Page 1

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I NOTES
ALL RESISTORS |/2W,5% UNLESS OTHERWISE NOTED VALUES ARE
| STATED IN OHMs. ALPHA 4 PRE AMP SCHEMATIC I
| ALL CAPACITORS IO% UNLESS OTHERWISE NOTED VALUES ARE H2 I
STATED IN MICROFARADS. CRI
I THROUGH TAKEN WITH va INPUT AT IKHZ APPLIED RI 453 R7
T0 PREAMP INPUT. TONE CONTROLS TO CENTER. REVERB/ TP-5 22K 4.7K
I EFFECTS AT 5. ALL OTHERS AT MAXIMUM. 4m... EFFECTS
I p-p TP-7 (:2 LINE OUT
f
(3305 + '2 55:52: _ .321; mp |
I 25v +I2 I/2 I- REVERE PAN "I 2'7? amv | :-
I _I:_I + 3 ICI I TYPE 56 I . Re p-p I
I _..... _ b' IFFRED WHTTI 22" RII I '
" REVERE 2 R5 I I: w II<
I M RII2 R2 8.2K LLUU 3 4 CS '>-v mavens
ILOIOIK 3.9K R3 L _I_N_ __ _ ..... _. 2 I FOOTSWITCH
I - " CR2 3K R6 '27 359V I __
I -: I2 IN458 I00 "2 ' | -
VOLUME _.2 .2.
I Rl03 9'09
IOOK RIO4 RIOS 0022 I
I CIOI L'N 'OK TREEILE pT; R4 I
| 352 RII3 22K
INPUT my R'O CI04 100K MAS I
,, TER REVERB
I>-I 4.7K 2.2 LIN R9
V 9 6 25PV CIIO +I2 TP 4 [00K I
I 5 4 1/2 I '022 +I2 2.2V LIN .- _I
| 0'02 ICIOI I75 I/2 CR3 Pup _ I- " "
| 2009f _-I2 _C|03 P-P 5 1C2 |N458 RM I
- +Io 0205 I _ 8 '50
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| _ 25V +I2 C5 To
'- _ + 2 I ACCESSORY
I _I:-I 25V I
_ N.P. MASTER VOLUME
I - 0206 HS 53,; f RI3 I To :-
CHANNEL 2 P I IOOK
I m 2 R206 IOOK LIN POWER AM
3 25V 22K __ LIN CR4 I
3 MI .. FROM
l T |N458 I ACCESSORY
VOLUME ~
I R203 C209 '2 CS | ___.__
I IOOK R204 '00 g 352V I
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2.2 A I----~v~-> >---V
|25V RZOI IOOK 0) INPUT TO
INPUT NJ? 0204 '- MASTER
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D. + I2 4-I-va-~-9 >-o '2:
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I ZOOpf .2. _ C203 __ g E .2. I0 RI? I BOARD
+ lagv '- fi 2 25V " I00
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: Rl9
RIB
I IK I
6.8K
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| LED DRIVE
"T CR5 I
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