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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: Re: Respectfully disagree too.... posted by Derick on December 13, 2003 at 00:20:31:
The 6BM8 has a triode driver section and a pentode output section in a single tube. The idea behind this construction is that you can build an amplifier with just one tube per channel. It saves costs because the tube doesn't require a complicated multiple-tube circuit design, so many "budget-class" tuner/amplifiers and portable record players used this tube in the 1960's (Many of these sets were made in Japan and exported to the U.S.). Of course, you can use this tube in a more sophisticated modern circult design like the "Ultra-Triode" design that some people have tried in Japan (I see some mention of this in the posts below.). I agree that the 6BM8 is very easy to use because it has good sensitivity, and more importantly, it is highly stable if negative feedback is applied. In that sense, it is a good tube for sure.
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- Re: Respectfully disagree too.... - mnaka7 02:19:36 12/13/03 (0)
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