Hifi 12AX7 / 12AU7 Stereo Tube Preamp Bare PCB base on C22 preamplifier Circuit

Description:

Mclntosh C22 tube preamp, dynamic very sharp, a few gallbladder in front of a dynamic stone works.

The board reference Mclntosh C22 circuit, designed with dual single stand-alone design, physically left and right channels 100% separation, independent grading ground.

PCB size: 100 * 150 * 1.6MM, spray tin process

Materials used:

Taiwan production of colored metal ring resistors 1% accuracy

MKP coupling capacitor

Ceramic tube seat

Input voltage: DC-280V two groups, each group is not less than 10MA

DC12.6V one group, not less than 0.8A (for filament)

Recommend the use of electronic tube: 12AX7 and its compatible tube (excluding Tubes)

Package Included:

1 x Hifi 12AX7 / 12AU7 Stereo Tube Preamp Bare PCB base on C22 preamplifier Circuit

 
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