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In Reply to: RE: ARC preamp with remote - which one? ----- LS22 posted by JerryS on May 10, 2008 at 08:52:42
The LS25, not mkII, is also pure tube.
http://arcdb.ws/LS25/ARC_LS25_schematic1.gif
All ARC line stages after this point are JFET gain with 6H30 output buffers.
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