LS-9 bare board
Circuit modified from Jadis, using 6 pieces of 12AT7
double side gold plated pcb board.
board size: L 230mm X 155mm
LS-9 bare board
Circuit modified from Jadis, using 6 pieces of 12AT7
double side gold plated pcb board.
board size: L 230mm X 155mm
LS-35 assembled & tested 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. PP coupling capacitor,metal film and carbon film resistor board size: L 220mm X W 155mm (tubes, case and power transformer not included)
LS-22 assembled & tested Circuit modify from Macintosh C-22 line amp section. PP coupling capacitor,metal film and carbon film resistor, board size: L 220mm X W 155mm matching supply LS-DY, LS-65, LS-70, LS-9D (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 …
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