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I've yanked all the prior tubes, and I'm now burning in a totally new set of tubes in my 2 separate systems. In the Inspire amps, I have the Psvane CV181-Z, RCA 6V6 metal clad, Raytheon Type 80. In my 2nd system I'm running in some Black Treasure CV181-Z, Philips 7581A (6L6GC) and Daystrom Nichimen 6L6GG. Will report back in about 10 days :smoking: |
Can 6AQ5 tubes be used in the Inspire SEP amps? I know I can use the 6BQ5 (EL84) tubes as long as I stick with a 5Y3 type rectifier, so I was hoping I could try out the 6AQ5 tubes too.
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You should be able to use 6AQ5 using an adapter to convert them to an octal / 6V6 base. As they are essentially a 6V6 in a small envelope, I'm not sure what one would gain using them over 6V6s.
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We've been discussing output tubes. I recently read that Bob Carver's favorite output tube, in terms of sound quality for the money, is the Tung-sol KT120. This isn't to say that they are the very best he's ever heard. To quote him, "sound beautiful, sweet, and so incredibly delicate, that once again, it is difficult to believe. But it's true. Honest! I love their unique shape. The only thing I don't like about them is that it's difficult to see the filaments glow in the dark. The plate structure gets in the way."
I like the KT120 a lot too, although they don't get a lot of love in this or many other on-line forums. Audio Research and Conrad-Johnson like them, using them in several of their current production amps. |
I asked Dennis Had directly about the 6AQ5 in the Inspire and this is what he said:
Many have stated over the years that the 6AQ5 is the equivalent to the 6V6 in a 7 pin package. Under operating voltage ratings of 300 VDC or less I would say that is correct .... higher voltages on the screen and or plate the 6V6 can handle with ease in comparison. I would caution you to look at the external plate of the 6AQ5 when adapter fitted to the Inspire amplifier. It you see redness appearing in the plate discontinue use. |
The 6AQ5 was a popular output tube in car radios, back in the day when car radios used tubes. My father used to repair them.
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You guys need to ask Ivan for a separate Dennis Had or Fire-Bottle, or whatever, forum. This thread has more posts then the great majority of forums on AAf. If Ivan will split it off from Cary it could then have particular threads on tubes, etc. Having to dig thru ~5000 posts for detailed info can be quite tedious.
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Yeah good idea. Really I just wanted to be post #5000. It’s been really fun. Keep it up fellas. |
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