10
Notes
Op Amp may be changed to suit
Individual styles.
Batteries available from Clicks at
R45, Dischem are R39,00
Other tins maybe used or a
similar style enclosure.
CI and C6 maybe substituted to suit
Item
Qty
Ref
Value
Description
Comments
1
2 C1,C6
3.3uF
Cap Bipolar
Maybe swopped out
2
2 C4,C5
470uF
Cap. Radial Electrolytic
3
1 D1
BL-B6431-TK
LED 3mm RED
Cololur maybe changed
4
3 H1,H2,H7
2SIP100
Pin Header Single Row
Pads on PCB
5
4 H3,H4,H5,H6
3SIP100
Pin Header Single Row
Pads on PCB
6
2 R2,R7
100k
Carbon Film
7
2 R3,R8
1k
Carbon Film
8
2 R4,R9
10R
Carbon Film
Precision device
9
2 R5,R10
10k
Carbon Film
10
2 R11,R12
4k7
Carbon Film
11
1 R 13
6k8
Carbon Film
12
1 U1
TL072
Dual FET INPUT OP. AMP.
Maybe swopped out
14
1 R14
A10k
Dual Log PCB pot
15
1 KB1
Volume knob
16
1 S1
SPST on/off
17
2 SKT1/2
3.5 mm stereo jack socket
18
2 BATplug
PP3 Battery leads
19
2
PP3 batterys
Originals give 36 hrs
20
1 PCB1
PCB
21
1 V1
Vinyl sheet
Must be cut to size
22
1
0,2 mm red wire
23
1
0,2 mm orange wire
24
1
0,2 mm yellow wire
25
1
0,2 mm red wire
26
1
Solder wire
27
2
Spacer for knobs
28
1
Heat sleeve
29
1
Press stik
30
6
Cable ties
Optional
31
1
Red RCA socket
32
1
Black RCA socket
33
1
Siemens 1 uf
34
1
2,1 mm power socket
35
1
2700 uf capacitor (axial)
36
1
100 nf capacitor 100 v
37
1
Cable saddle
38
1
Capacitor plate
39
1
OPA 1642 (and adaptor)
40
1
Mtg plates with screws
Summary of Contents for KWELA TONES
Page 7: ...7 Use 2 x PP3 batteries ...
Page 9: ...9 KWELA TONES Schematic ...
Page 11: ...11 Overlay component by part number ...
Page 12: ...12 Overlay assembly by component values ...
Page 15: ...Resistor component codes 15 If in doubt always check values with a multimeter ...
Page 23: ...Op Amp connections for reference 23 Its nice to trace the tracks and see these connections ...
Page 25: ...25 Connect cables to controls Left gang PP3 PP3 Switch Input Output Right gang ...
Page 30: ...30 Before closing the lid ensure nothing fouls fit knobs and you are good to go ...