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| Sound
Practices - The Journal For Audio Experimenters
Issue 14 Name Your Destination by JC Morrison Page 7 ... The next amp is a parallel single-ended 6L6GC type amp, which means tthat you can use any of that family, even 807's with a socket change. This amp has a good story behind it. I have a friend named Blackie, who is one of the top guitar amp technicians in NYC. He serves your favorite rockers, all of them. Anyway, we've been hanging out for some time and at one point, the topic of building an amp for his home came up. Blackie asked me. "What is the most unpopular and out of fashion hi-fi amp I could build?" That was easy, thinks I, "A parallel SE amp with guitar tubes for output devices." So we designed it around the Western Electric 417A/5842 (again, from the cold war arsenal ...) amd 6L6 family. Other features include a 6BQ5 screen regulator and TV damper diode rectification (my fave ...). This amp sounds so good, it continues to impress. It absolutely has enough guts to drive most real workd speakers. The schematic (schemat #2) is very straightforward without tricks. Blackie built it into a lean green hammertone machine. His wife, Betty, approves and insists upon single-ended pentodes for all her serious playback. Blackie, by the way, makes a mean guitar amp. It's Class A PP 6550 head, with glow tube regulation for screens (dual OD3's), a trick tone section, and a unique appearance (Plexi-glass cage and bottom cover that allows you to see the regulators and his gorgeous point to point). He can be found at "Tubesville" 153 Ludlow St. New York, NY 10002 tel. 212-529-7345 .... |
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