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It was my first DIY Build - so sorry for the building quality (wink)

last update: 07 may 2014


Projektinfo:

http://yusynth.net/Modular/EN/ARPVCF/index.html

Hinweis:

4  x 47k Linear Poti für others (freq, Resonance etc)      banzai Alpha 16mm FS 50k lin

2 x 47k Log Poti für Input Level     banzai Alpha 16mm FS 50k log

6  x knobs

6 x female 6,3mm mono

pinheaders/connectors or hard wire linking to frontpanel

 

Building details

Japanese dual transistors version
referencevaluequantity
U1LM3900N1
U2TL0741
Q1 to Q6
or Q1 to Q12
2SA798
either 2N3906 or BC557 matched by pairs (caution the pin out is different, see layouts above)
6
or 12
R1,R210 ohms 5% - or 2x ferrite (better)2
R8,R10*,R11*,R15*,R16*,R20*,R21*,R25*,R26*220 ohms * matched to 1%
5% otherwise
9
R7,R9*,R14*,R19*,R24*,R42,R461k * matched to 1%
5% otherwise
7
R12*,R13*,R17*,R18*,R22*,R23*,R27*,R28*,
R29,R35,R36,R37,R38,R43
10k * matched to 1%
5% otherwise
14
R4415k 5%1
R40,R4127k 5%2
R4533k 5%1
R3,R4,R5,R6,R30,R31,R32,R34,R39100k 5%9
R33150k1
C3,C4,C5,C6470p matched to 1%4
C7,C8100n2
C1,C2,C9,C1022µF 35V4
T22k2 10 turns trimmer bourns Y no w series1
T147k 10 turns trimmer  bourns Y no w series1
P1,P247k log potentiometer2
P13,P4,P5,P647k lin potentiomter4
Jk1,Jk2,Jk3,Jk4,Jk5,Jk6female jack sockets6

 

2k2 trimmer

 

 Reichelt Parts ohne Frontplatten poti etc:

 

 

 

 

Schematic from Yusynth

 

 

 

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