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A potentially novel pre-amp for electret mic capsules which have their internal FET's Drain and Source connections available separately
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1PCS 9.7mm x 7mm/6x5 mm/6 x 2.2 mm/4.5*2.2 mm/4*1.5mm/4.5*1.6mm/4*1.7mm 2 Pin MIC Capsule Electret Condenser Microphone dip smd - Price history & Review | AliExpress Seller - Factory-price Store | Alitools.io
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1PCS 26mm Diaphragm Condenser MIC Capsule Microphone Cartridge Electret Cardioid|Microphone Accessories| - AliExpress
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