FS-N2A 6N2 tube pre-amplifier, magnification: 5 times, total harmonic distortion: 0.065%, frequency response: 10-20kHz

Return to nature, listen to nature, FS-N2A 6N2 tube pre-amplifier, magnification: 5 times, total harmonic distortion: 0.065%

M1 (HI-END) pre-amplifier power amplifier board, magnification: 6 times, frequency response: 0-100KHz ±1dB, distortion <0.01%

6J1 tube pre-level QCC3008 APTX Bluetooth 5.0, distortion: 0.03%, signal noise: 100dB, frequency response: 20Hz--20KHz

6n2 push 6P13P Class A single-ended tube power amplifier, output power: 5.4w+5.4w, frequency response: 40hz-20khz

EL34 handmade scaffolding, 10W class A tube amp, HIFI audio, frequency response 20Hz--25KHz total harmonic distortion 1% (1kHz)

6n2 (parallel) push 6p13p Class A single-ended power amplifier，output power 5.4w*2，Frequency response: 40hz-20khz

6n6+6n2 sepp amplifier desktop amplifier, 10W×2, frequency response 20Hz-20KHz + 0.5dB/-1dB, signal-to-noise ratio: 92dB

TPA3255 HIFI digital power amplifier board, high power 2.0 channel stereo 600W, distortion 1.5%, frequency response: 20Hz-20KHz

6N2 push 6p1 class A single-ended tube amplifier tube frequency amplifier, frequency response: 40hz-20Khz

6N2 push 6p1 class A single-ended tube amplifier, frequency response: 40hz-20Khz，Input sensitivity: 400mv-2000mv

6N2 6P1 advanced vacuum tube amplifier fever kit or finished product, no BT.put power 3W*2, frequency response 20KHz-20KHz

6J1+6P1 headphone amplifier, HiFi preamp of tube bile amplifier, Frequency Response: 20Hz ~ 20KHz，distortion less than 1.5%

6N2 pushes 6p1 single-ended A fever amplifier, 3w+3w pure manual scaffolding power amplifier, frequency response 20hz-20khz

6N3 amplified 6C16 cathode output dual-channel front pole amplifier with wide frequency response and low distortion，8 times gain

Permalloy 600Ω: 600Ω passive front stage, audio signal isolator, low distortion, frequency response: 20-20KHz: -0.2dB

TPA3255 Class D digital mono power amplifier board 600W, ultra-low distortion,Frequency Response: 20Hz to 20KHz

Frequency response 10Hz ~ 20KHz -0.4DB 4 times voltage gain DC500V 3-4mA AC10mA 600: 10K Permalloy audio isolation transformer

4 times magnification with Japanese Temulan, UNIDA TpAs-203 signal transformer passive front stage, frequency response 30-20kHZ

M1 (HI-END) preamplifier finished board, enthusiast preamplifier board, magnification: 6 times, frequency response: 0-100KHz

Permalloy LP vinyl MC phono step-up transformer, wide frequency response low distortion player, 20 times boost finished machine

6N2 6P13P 6Z4 Spartan P1 luxury high-end tube 5.5W*2 tube amplifier DIY kit, frequency response: 20hz-20khz with bluetooth 5.0

New 6N2 6P13P 6Z4 Spartan P1 luxury high-end tube 5.5W+5.5W tube amplifier DIY kit, frequency response: 20hz-20khz with BT 5.0

Frequency response:20Hz~52KHz -2D over-signal current 15mA 5 times boost permalloy 600Ω:15K audio signal isolation transformer

FS-N2A 6N2 Tube Preamplifier 10-20KHz High-quality Finished Preamp Stereo Audio HiFi Tube Preamplifier

Latest 10W+10W 6N6+6N2 SEPP Amplifier Desktop Amplifier Audio, 6N2*1、 6N6*2, Frequency Response: 20Hz-20KHz

NEW 6E2+6N2+6P1/6P15 Single-ended Class A Tube Amplifier, 3.2W*2 HIFI Fever Grade Tube Amplifier/Frequency response: 28Hz-20KHZ

6E2+6N2+6P1/6P15 Single-ended Class A Tube Amplifier, 3.2W*2 HIFI Fever Grade Tube Amplifier/Frequency response: 28Hz-20KHZ

Digital Harmonic Distortion Meter 10Hz~20KHz 3rd Harmonic Frequency Display

Digital Harmonic Distortion Meter 10Hz~20KHz 3rd Harmonic Frequency Display

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