LS-69 bare board
Hybrid tube balance pre-amp using FET input, tube cathode follower output
board size: L230mm W 150mm board thick 2.5mm
LS-69 bare board
Hybrid tube balance pre-amp using FET input, tube cathode follower output
board size: L230mm W 150mm board thick 2.5mm
LS-29 assembled and tested LS29 is base on the HI END Audio manufacturers-Music Fidelity’s X CAN series . LS29 is very simple, it is easy to install and cheap, sound and good, you only need to add a 24VAC transformer and then connected the RCA input and output terminals, then it can sing. It can …
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 …
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