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Cost of a |
minimised |
Gainclone |
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|
| Item |
Spec |
Qty |
Supplier |
Order code |
Item £ |
|
Qty £ |
|
| Mains switch |
Double pole |
1 |
Farnell |
157-790 |
£ 0.78 |
|
£ 0.78 |
|
| Fuse holder |
Panel mount |
1 |
Farnell |
147-910 |
£ 0.99 |
|
£ 0.99 |
|
| Fuse |
1.6A anti-surge |
1 |
Farnell |
533-981 |
£ 0.12 |
|
£ 0.12 |
|
| Diode |
MUR860 |
4 |
Farnell |
931-020 |
£ 0.45 |
|
£ 1.80 |
|
| Snubber cap |
.022 ufd |
4 |
Farnell |
218-560 |
£ 0.14 |
|
£
0.56 |
|
| Smoothing Cap |
120 ufd 50v |
2 |
Farnell |
303-6522 |
£ 0.25 |
|
£ 0.50 |
|
| Umbilical plug |
Speakon 4 pole |
1 |
Farnell |
152-305 |
£ 3.47 |
|
£ 3.47 |
|
| Socket |
for above |
1 |
Farnell |
152-306 |
£ 1.94 |
|
£ 1.94 |
|
| Case |
Maplin AB15 |
1 |
Maplin |
XB71N |
£ 6.99 |
|
£ 6.99 |
|
| Rubber feet |
Pack of 4 |
1 |
Maplin |
L18AA |
£ 1.99 |
|
£ 1.99 |
|
| Cable gland |
16mm polymide |
2 |
Maplin |
UP89W |
£ 0.99 |
|
£ 1.98 |
|
| Transformer |
120va x 24 volts |
1 |
Maplin |
VS33L |
£19.99 |
|
£19.99 |
|
| Terminal block |
Screw type |
1 |
Maplin |
FE78K |
£ 0.99 |
|
£
0.99 |
|
| Nut and bolt |
M4 x 50 (for above) |
5 |
Maplin |
M63AK |
£ 0.10 |
|
£ 0.50 |
|
| Terminal connector |
6.35mm Lucar style |
4 |
Maplin |
HF10L |
£ 0.07 |
|
£
0.28 |
|
| Terminal connector cover |
for above |
4 |
Maplin |
FE65V |
£ 0.07 |
|
£
0.28 |
|
| Nut and bolt |
M3.5 x 35 csk (for above) |
4 |
Maplin |
N75AK |
£ 0.10 |
|
£ 0.40 |
|
| |
|
|
|
£41.39 |
Total for PSU with case |
| Heatsink |
6-10mm thick aluminium |
1 |
? |
N/A |
£ 1.00 |
|
£ 1.00 |
depending on size |
| Cap |
4.7 ufd Black Gate N |
1 |
Audiocom |
|
£ 2.25 |
|
£ 2.25 |
|
| Chip |
LM3875 |
1 |
Farnell |
295-541 |
£ 3.98 |
|
£ 3.98 |
|
| Insualor pad |
K6-104 TO-3P |
1 |
Farnell |
681090 |
0.23 |
|
£0.23 |
|
| Cap |
1000 ufd 50 v |
2 |
Farnell |
303-6560 |
£ 0.93 |
|
£ 1.86 |
|
| Bypass for above |
0.1ufd |
2 |
Farnell |
106-367 |
£ 0.71 |
|
£ 1.42 |
|
| Resistor (feedback) |
RC55C 432K |
2 |
Farnell |
598-872 |
£ 0.91 |
|
£ 1.82 |
2 x .25 watt = .5 watt |
| Resistor (input) |
RC55C 10K |
1 |
Farnell |
303-3557 |
£ 0.29 |
|
£ 0.25 |
or carbon |
| Phono socket |
black |
1 |
Farnell |
149-269 |
£ 0.67 |
|
£
0.67 |
147-012 for red |
| Resistor (input to ground) |
56K metal film |
1 |
Maplin |
M56K |
£ 0.07 |
|
£
0.07 |
|
| Resistor (star to ground) |
100R/2W metal film |
1 |
Maplin |
D100R |
£ 0.17 |
|
£
0.17 |
|
| Capacitor (bypasses above) |
0.22ufd |
1 |
Maplin |
BX78X |
£ 0.19 |
|
£
0.19 |
|
| Solder tag |
M3 |
6 |
Maplin |
RG86T |
£ 0.05 |
|
£ 0.30 |
|
| Speaker posts |
Pair |
1 |
Maplin |
JK24B |
£ 2.49 |
|
£ 2.49 |
|
| |
|
|
Total |
|
£58.49 |
|
| |
|
|
with VAT |
£68.73 |
Total if you build amp case |
| |
|
|
|
|
| Case |
Maplin AB15 |
1 |
Maplin |
XB71N |
£ 6.99 |
|
£ 6.99 |
|
| Rubber feet |
Pack of 4 |
1 |
Maplin |
L18AA |
£ 1.99 |
|
£ 1.99 |
|
| |
|
|
|
£10.55 |
|
| |
|
|
|
£79.28 |
Total (2 ready-built cases) |
| For zobel network |
|
|
|
|
|
|
| Zobel resistor |
10R/2W |
1 |
Farnell |
342-245 |
£ 0.44 |
|
£
0.44 |
|
| Zobel cap |
100n |
1 |
Maplin |
RG23A |
£ 1.99 |
|
£ 1.99 |
|
| |
|
|
£
2.86 |
|
| |
£82.13 |
Total with zobel network |
| Back to Gainclone
page |
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| Last
update 19th June 2003 - Copyright © 2003 Decibel Dungeon - Author Nick
Whetstone. |
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