$3.00
Two Single OP-Amp to One Dual Op-Amp Adapter
LS-25 assembled & tested Circuit modified from Matisse, using 4 pcs of 12AT7, with regulator on board . PP coupling capacitor,metal film and carbon film resistor board size: L 310mm X W 190mm (tubes, case and power transformer not included)
LS-25 bare board Circuit modified from Matisse, using 4 pcs of 12AT7, with regulator on board . PP coupling capacitor,metal film and carbon film resistor board size: L 310mm X W 190mm
LS-27 bare board FANTASY pre amp, using 4 pieces of 12AT7, on board high voltage regulator and output delay circuit board size: L 353mm X W 212mm
LS-12 bareboard use two 12AT7 for voltage amplify, very simply circuit, double side gold plated PCB board size: L 220mm X W 155mm matching supply LS-DY, LS-65, LS-70, LS-9D
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