LS-22 bare board
Base on famous Macintosh C-22 line amp
board size: L 220mm X W 155mm
LS-22 bare board
Base on famous Macintosh C-22 line amp
board size: L 220mm X W 155mm
LS-35 bare board dual mono design, each set have two pieces of PCB, seperate dual power supply using two pieces of LS-DY, on the preamp section total six 12AX7 is used board size: L 220mm X W 155mm
LS-31 assembled & tested Circuit using famous 5842, 6E2 tuning indicator, very simple design. PP coupling capacitor,metal film and carbon film resistor, board size: L 220mm X 155mm (tubes, case and power transformer not included)
LS-37 assembled & tested MM/MC RIAA Phono Amp, using 4 pieces of 12AX7,input impedance of mm head is adjusttable, m/c input voltage section connect as ground grid, grounding is “STAR” ground. PP coupling capacitor,metal film and carbon film resistor (tubes, case and power transformer not included) You can change the input impedance from 150ohm to …
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
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