LS-37 bare board
MM/MC RIAA Phono Amp
LS-37 bare board
MM/MC RIAA Phono Amp
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-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-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 …
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