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EQUIPMENT FORUMS >> ZMA >> ZMA Phase Inverter Tube question
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Message started by Reveeb on 05/01/21 at 01:07:06

Title: ZMA Phase Inverter Tube question
Post by Reveeb on 05/01/21 at 01:07:06

Does the phase inverter tube used in the ZMA have any effect on the sound? If so, what are some noteworthy tube recommendations? If not, then I assume you leave as is?

Thanks!

Reveeb

Title: Re: ZMA Phase Inverter Tube question
Post by Archie on 05/01/21 at 01:19:49

Answer is yes for both the phase inverters and the input tubes. I like the Tungsram PCC88 in these positions. I also like the Russian 6N1P-EV tubes there but not as much as the Tungsram.

Title: Re: ZMA Phase Inverter Tube question
Post by Reveeb on 05/01/21 at 03:01:11

Thanks for your response Archie.

Title: Re: ZMA Phase Inverter Tube question
Post by Archie on 05/01/21 at 03:11:45

If you go back several years when the ZMA was more recently released, there is a thread where tubes were discussed. One guy, Stone-of-tone, had some strong preferences.