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In Reply to: Re: harmon kardon a300 v Fisher x100 posted by triode1 on December 12, 2006 at 15:47:26:
I did not have experience with x100, but I had some with other 6BQ5/EL84 amps, and I am no fan of these tubes.Many would agree that 6V6 (or its up-rated version 7408 that A300 uses) is, if not the best, then one of the best-sounding power pentodes.
A300 is somewhat weak in the bass, but it has amazing mids, highs, and imaging. X-100 is in no way upgrade over A300, it has about the same power and same bass performance.
Better spend your money on A300 upgrades. Stock tubes on best A300s were Tele 12AX7 and Amperex 12AU7, and they are preferred for this circuit. Stock coupling caps on best amps were Sprague black beauties; for even more transparent sound, you can use Russian teflons. Radionic and ceramic disc caps definitely should be replaced. With perfectly matched power tubes, bass significantly improves.
Also, much depends on your music. A300 is great with all kinds of acoustic music. It is not for rock at concert level.
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Follow Ups
- Stay with A300. - sser2 19:18:35 12/12/06 (3)
- Re: Stay with A300. - triode1 16:28:41 12/14/06 (2)
- Re: Stay with A300. - triode1 18:11:30 12/14/06 (1)
- Re: Stay with A300. - bluelobster 18:58:36 12/15/06 (0)