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Can I Use This?
Can I Use This?
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Old 29th July 2005, 09:03 PM   #1
dioh10 is offline dioh10  Mexico
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Question Can I Use This?

Hi I'm trying to make a power amp 90 watts with four 2N3055, Can I Use This Power Amp With A Guitar Preamp? And Other Thing, In The Schem I Have It Says That I Need An 80 volt 1.5 ampere Power Supplie, Is It Possible To Do It? And The Last Thing, Do I Have To Put 100 volt rated capacitors?
Hope Someone soves My Questions
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Old 29th July 2005, 09:16 PM   #2
edl is offline edl  Hungary
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Dear friend,

Please post us the schematic!

Thanks, regards
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Old 29th July 2005, 09:18 PM   #3
darkfenriz is offline darkfenriz  Poland
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Quote:
Can I Use This Power Amp With A Guitar Preamp
Do you want to run an amp dedicated for hi-fi as a guitar amp or you want to use guitar preamp for hi-fi?
I guess first. If I'm correct, than yes, 90 Watts power amp is probably suitable for guitar unless you want to overdrive it. Than you would need more output devices.

Quote:
I Need An 80 volt 1.5 ampere Power Supplie, Is It Possible To Do It?
No, you need more current if you want to run 8ohm speaker.

Quote:
Do I Have To Put 100 volt rated capacitors?
Yes. Or even more.
regards
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Old 29th July 2005, 09:19 PM   #4
destroyer X is offline destroyer X  Brazil
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Default Yes, you can produce a 90 watts RMS amplifier using 2N3055 transistors

Also you can construct a 70 volts supply, using the external wires of a conventional 35 plus 35 symetrical supply.

Of course, a 90 volts supply can be constructed using a common 45 plus 45 volts simetrical supply, changing rectifier connections.

Yes, you will need 100 Volts rated capacitor.

Buen trabajo hermano, una tequilla pra nosotros.

sa˙de.

Good work brother, one drink for us

Cheers,

Carlos
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