Brian Roemmele
@BrianRoemmele
we can only see what we think is possible...
参加 January 2010
44.4K フォロー中 495.6K ファン
The Julius Futterman H3 OTL amplifier, designed in the 1980s, uses heavily paralleled banks of vacuum tubes to deliver high current directly to loudspeakers without relying on an output transformer.
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