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#1 |
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diyAudio Member
Join Date: Sep 2010
Location: Collingwood Ont
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I sent this email to the original builder of this amp but no word back yet. It is a oddwatt 225 . Iam useing 35watt output transformers and KT77 and 6SL7 but need some values . So here is the email I sent
.ExternalClass .ecxhmmessage P{padding:0px;}.ExternalClass body.ecxhmmessage{font-size:10pt;font-family:Tahoma;} I like your amp and building one with some one who knows what their are doing. Well TV repair man tubestyle . I had changed it a little I used 35wat output transformersand useded KT77 and 6sl7GTtubes . I need to know what some of the wattages and voltages are 1. 0.003uf voltage ? 2. 150R wattage ? 3. 1.5m wattage? 4. 0.01uf voltage ? 5. 1uf x3 voltage? 6. 10,000uf voltage? 7. 100k ohm resistor x2 wattage? 8. 200k ohm wattage? 9. 1000uf voltage? 10. 4.7k x2 wattage ? 11. 0.001uf voltage? 12. 1k wattage ? 13. 10R wattage? 14. 1R x2 wattage? 15. 25R wattage? 16. 47uf voltage? 17. 1.2k wattage? 18. 470k wattage? 19. 0.33uf voltage? |
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#2 |
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diyAudio Member
Join Date: Aug 2006
Location: Taxland, New Jersey
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These are the ratings I would use based on below schematic. Capacitor voltages could be higher as that's not critical.
OddWatt 6SL7 SRPP / KT77 Push-Pull Class-A Ultra-Linear DIY Tube Amplifier 1. 0.003uf voltage ? (.03/400v) (don't see a .003) 2. 150R wattage ? (½W) (I don't really like this resistor being there.) 3. 1.5m wattage? (½W) 4. 0.01uf voltage ? (400V) 5. 1uf x3 voltage? (350V or better) 6. 10,000uf voltage? (25V or better) 7. 100k ohm resistor x2 wattage? (½W) 8. 200k ohm wattage? (½W) 9. 1000uf voltage? (50V) 10. 4.7k x2 wattage ? (1W plate & ½W feedback) 11. 0.001uf voltage? (250V) 12. 1k wattage ? (1W) 13. 10R wattage? (½W) 14. 1R x2 wattage? (½W) 15. 25R wattage? (2W or better) (wire wound) 16. 47uf voltage? (350V) 17. 1.2k wattage? (1W) 18. 470k wattage? (½W) 19. 0.33uf voltage? (400V)
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"The supercomputer is technologically impossible. It would take all of the water that flows over Niagara Falls to cool the heat generated by the number of vacuum tubes required." ~ Professor of Electrical Engineering, New York University Last edited by HollowState; 11th April 2011 at 12:37 AM. |
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