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Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ.

Re: Beta measurement of custom made ARC transistors

195.0.2.193

Hi John,

I didn't know they were that old.
Some modern amps still use them (NAD for ex)
But I am afraid of putting newer devices in because of amp stability.
Several people ( See marantz talk)told me that the amp will be more encline to oscillate at HF.
So either I modify the filters or I just use the older devices.
To play on the safe side I will start with the second option.
Then I will use a test amp with new devices and experiment.
Thanks
Robin



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