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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
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Last update 19th June 2003 - Copyright 2003 Decibel Dungeon - Author Nick Whetstone.