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In Reply to: Re: u're right! posted by Ralph on May 8, 2006 at 14:16:55:
I get 16volts peak both pos and neg into 8ohms, 32Vpp...thats 32watts peak, but this is at hard clipping.
I actually never measured the grid-cathode voltage at clip, only assumed this is at very close to 0V. The signal clips at the same time both at the driver and at the 6AS7s output, so the clipping is at the driver due to grid current. Both the driver and the 6AS7 has plenty of voltage to spare. My driver can at best source 1mA so I dont consider this a true driver, just a gain stage.
Shouldn't the tube start to glow redish at this dissipation? I only see blue lights when running them at clipping, but no other colors. Guess I should try for a little longer, but need a beefier load resistor. Somehow I am going to break these tubes!
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Follow Ups
- Re: u're right! - Jalla 00:34:45 05/09/06 (3)
- Re: 16 watts is about right - Ralph 12:32:32 05/09/06 (2)
- Re: 16 watts is about right - Jalla 00:16:49 05/10/06 (1)
- Re: 16 watts is about right - Ralph 07:57:37 05/10/06 (0)
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