thread: Apex 435 mods?
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Old 10th January 2007   #5
Jim Williams
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Join Date: Feb 2004
Location: beautiful Carlsbad, CA
Posts: 9,360

Use a Siliconix J305 fet. Use Hitachi 2sa1084/2sc2545 bipolar transistors. Use MIT poly film caps. Rework the oscillator to increase sensitivity and to gain s/n.

Jim Williams
Audio Upgrades
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