M2057 tubes

It is what it is, here you go my prized Maco 1kw that I have been holding on to for about years now and the. Used old stock pin compactron beam power output tube with top cap. Y20was the General Electric developmental number for this type, and some tubes .

Product 2675b7a2a0ca6728ae8b7cd3a39aebae3db479a15aef9103ff0c2c3fbfe27ce8. This is a suitable replacement for any M-20tube type. Post by Hillbilly_1Fri, Jan 1904:00:00.

Not a matched set, and with different date codes.

They were stored for a couple years and just brought out to use . Spring SaleNew ProductsVacuum TubesSpeakersClearance SaleAccessoriesAmplifier PartsBooks DVDsCapacitor Amplifier . I have four pair (total of tubes) of new old stock unused G. New and Used Vacuum Tubes Love is Resonance! You have been talking about building a big amp for some time. Now you have big tubes and a pair of 22ohm OPT’s, so what’s next?