Germanium tube pure Class A single-ended transformer output pre-stage headphone amplifier board, high current output

Pure Class A germanium tube single-ended output transformer, pre-stage headphone amplifier board LG151L,dual mono design

Germanium tube pure class A single-ended transformer output front-stage headphone amplifier board, warm and mellow tone

Unique charm and style 600Ω: 600Ω Pure class A single-ended germanium tube output transformer pre-amplifier board LG-267C

Pure class A single-ended germanium tube output transformer pre-amplifier board LG-267C, single-ended / balanced output

Pure type A germanium tube single-ended output transformer front stage headphone amplifier board, single-ended balanced output

600Ω: 600Ω Pure class A single-ended germanium tube output transformer pre-amplifier board LG-267C, single-ended / balanced out

600Ω: 600Ω Pure class A single-ended germanium tube output transformer pre-amplifier board , single-ended / balanced out，LG-267C

32 ohm headphones with Japan Toshiba 2SB292 germanium tube single-ended class A transformer output amplifier board LG303A

10K: 10K transformer input pure class A single-ended output germanium tube preamplifier board, the circuit gain about 7.5 times

3AX85 Germanium Tube Single-ended Class A Transformer Output Board/2SK170 Field Effect Tube Single-ended Transformer Output

6.5W 5K tube amplifier output transformer, single-ended transformer, fully shielded. Primary maximum current 80ma

Current is about 50mA, 5K and 5K5 amorphous iron core single-ended output transformer 32 ohm headphone output transformer

3.5K, 5K universal single-ended amplifier output transformer, primary current: 100ma primary inductance: 18H, suitable for 300B

5.5K amplifier single-ended output transformer, 300Ω (75Ω + 75Ω) output, primary over-current DC 45mA

a pair of EI 76x40 iron core 64Ω: 4Ω / 8Ω transistor single-ended output transformer, 25W power, 1A primary current

Electron tube 10K single-ended output transformer, output 4Ω8Ω, 4 clips and 3 processes, output power 2W,over DC current 30mA

3AD18 germanium tube pure Class A transformer input single-ended output buffer board LG-267N, warm and mellow tone

3AD18 germanium tube pure Class A transformer, input single-ended output buffer board LG-267P, warm and mellow tone

Power 25W DC current 1A 64Ω: 4Ω/8Ω transistor single-ended output transformer EI76x40 iron core distributed capacitance: 2900P

Single-ended pusher transformer 5K: 6.5K single-ended output, inverted phase balanced output, 25mA working current, 20Hz - 36KHz

2K5 / 3K5 amorphous C type iron core single-ended output transformer, 4Ω8Ω16Ω output Power 5W current 50mA

20K: 600Ω single-ended output transformer, dual C amorphous iron core balanced output transformer, direct current: 50mA

5K / 5.5K: 32Ω amorphous C-type iron core single-ended output transformer, power about 5W, working current 50mA

1 pair 64Ω:4Ω/8Ω Transistor single-ended output transformer 25W Primary current 1A, EI76x40 iron core

7K/40Ω 600Ω amorphous C-type iron core single-ended output transformer, Working current 50mA, output power about 3W

Boutique! 600: 600 single-ended push-pull output transformer Single-ended balanced output operating current more than 100mA

64Ω: 4Ω / 8Ω transistor single-ended output transformer, power 25W, primary current 1A, EI76x40 iron core.

7K/40Ω 600Ω amorphous C-type iron core single-ended output transformer, Working current 50mA, output power about 3W

600Ω: 600Ω single-ended push-pull output transformer, single-ended balanced output, operating current of more than 100 mA

Single-ended pusher transformer 5K: 6.5K single-ended output, Power 3W，inverted phase balanced output, 25mA working current

Super High Power TDA8954TH Dual Chip Class D Digital Power Audio Amplifier Board US Plug

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