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- Parts List for the Audio Wattmeter:-
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- 1) R1,R2.............. 15 Ohms, 50 Watts. Farnell part number 345-428.
- 2) Mains Transformer.. CPC part number TF00069.
- 3) Heatsink........... CPC part number SC00637.
- 4) D1,2,3,4........... 1N4007. Any source.
- 5) C1,C2.............. 4.7uF 64 Volts or greater. Any source.
- 6) R3................. Select on test, (68 to 120 KilOhms). Any source.
- 7) RV1................ 100 KilOhms Preset. Any source.
- 8) Box................ ABS type. Any source.
- 9) Tag Strip.......... 7 tags or greater. Any source.
- 10) Coloured Wire...... Red, Black, Yellow and Blue. Any source.
- 11) Sleeving........... Various sizes. Any source.
- 12) Coaxial cable...... RG58 or UR76. Any source.
- 13) PL1................ RCA or PHONO Plug. Any source.
- 14) 8 Metric Countersunk Screws, Nuts and Washers. Any source.
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- Notes:-
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- 1) All tolerances + or - 10% or better.
- 2) The prototype value for R3 was 82 KilOhms, 0.5 Watts.
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- Mr Barry Walker,
- 70 King George Road,
- Loughborough,
- Leicestershire,
- LE11 2PA,
- England.
-
- Email to:-
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- 106161.3245@compuserve.com
- or
- wisecracker@tesco.net
-
- BYE......
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