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-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-19 assembled & tested Modiflied from MFA, using 3 pieces of 6922, constant current source in input stage. PP coupling capacitor, metal film and carbon film resistor, board size: L 20mm X W 155mm matching supply LS-DY, LS-65, LS-70, LS-9D (tubes, case and power transformer not included) Available Options: LSDY : (+US$60) Power Transform: Matching …
LS-26 bare board circuit modify from SL-1, two stages of voltage amplify, 12AU7 used in first stage,second stage is 12AX7 SRPP, output stage use a 6DJ8 as cathode follower. circuit modify from convergent SL-1,have two voltage amplify stage, 12AU7 used in first stage,second stage is 12AX7 SRPP, output stage use a 6DJ8 as a cathode …
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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