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-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
GA-31A MM assembled & tested MM RIAA Phono Amp, Voltage amp stage using 4 pieces of 6922/6DJ8, input stage is using LM394. The sound of GA 31 Phono kit is relaxed atmosphere, rich layers; it can be very good with your MM phono. board size: 230mmx155mm (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-58 6SN7 pre-amp assembled &tested LS-58 Special Version for DIYCLYB 6SN7 Classic line amp, first stage is common cathode, output stage is a cathode follower board size: L 230mm X W 155mm. 2.4mm thick fibre glass board with thicker copper trace. (tubes not included)
LS-24 bare board Each channel using one 5687 in parallel, giving much more current, output can match headphone impedance from 8 ohm to 600 ohm,. board size: L 220mm X 155mm. mathcing supply TP-1 MOSfet voltage regulator board for high voltage supply board size: L 220mm X W 62mm
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