tag:blogger.com,1999:blog-2506799271388439141.post4649174972950627922..comments2023-10-17T06:42:01.792-07:00Comments on Three Chords and Some Tubes: The 7591 Vacuum Tube: The Jazz Guitarists' Vacuum Tube? Ringohttp://www.blogger.com/profile/09506068154852505840noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-2506799271388439141.post-60216410776993197852014-11-28T06:05:47.807-08:002014-11-28T06:05:47.807-08:00As an Andrei Makarevich fan, I think he does use -...As an Andrei Makarevich fan, I think he does use - maybe Electro-Harmonix 7591A Pentodes - on his Ampeg GS12R electric guitar amp, Elisabeth. Ringohttps://www.blogger.com/profile/09506068154852505840noreply@blogger.comtag:blogger.com,1999:blog-2506799271388439141.post-62101540674903802192014-11-28T03:16:58.168-08:002014-11-28T03:16:58.168-08:00Soviet era Russian rocker Andrei Makarevich probab...Soviet era Russian rocker Andrei Makarevich probably used 7591A vacuum tubes on his 1966 Ampeg GS 12R electric guitar amplifier given that such American made amps that uses such tubes were extremely popular behind the Iron Curtain even at the height of the Cold War. Elisabethhttps://www.blogger.com/profile/11196435743104726901noreply@blogger.com