LS-27 Assembled and tested
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 Assembled and tested
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-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-59 (Modify SL-1) assembled & tested Special version for DIYCLUB(The layout are completely re-arrange for better performance) 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 follower,voltage swing about 50V.With more dynamic ,mid and high end is lush, …
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