Two Single OP-Amp to One Dual Op-Amp Adapter
$3.00
Two Single OP-Amp to One Dual Op-Amp Adapter
$3.00
Two Single OP-Amp to One Dual Op-Amp Adapter
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
LS-26 assembled & tested 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, liquid and detail. PP coupling capacitor,metal film and carbon film resistor matching supply …
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 …