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Nobsound® 6J1 tube Pre-AMP Preamplifier DIY KIT

Parameters:

Filament voltage (Uf) = 6.3V;
Filament current (If) = 0.17A;
Anode voltage (Ua) = 120V;
Anode current (Ia) 4.5 ~ 12mA;
The second gate voltage (Ug2) = 120V;
The second gate current (Ig2) ≤3.2mA;
Transconductance (S) = 5.2 ± 1.4mA / V.
(Electrode capacitance) input capacitance (Cin) = 4.3pF;
Output capacitance (Cout) = 2.35pF;
Transition capacitance (Cag) ≤0.02pF;
Between the filament and the cathode capacitance (Cfk) = 4.65pF
(Limit the use of data) maximum filament voltage (Ufmax) = 7V;
The minimum filament voltage (Ufmin) = 5.7V;
Maximum anode voltage (Uamax) = 200V;
The second largest gate voltage (Ug2maxp) = 150V;
The maximum voltage between the filament and the cathode (Ufkmax) ±

Sale Price:$30.00

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Nobsound 6J1 HiFi stereo tube Pre-AMP Valve Power Audio Preamplifier with Power Adapter for CD/MP3 player

Important Tips:
about the tube.please do not deep plug it in socket.just plug it in half deep is OK.because the tube easy crush
Features: 1,PCB Circuit layout is reasonable and beautiful, minimize noise,warm sound,perfact for listen person singing.
2,About the input and output interface.all using GOLD RCA interface.
3,Best for your desktop headphone amplifier or home power amplifier, make the sound more warm. (This tube preamp need warm time about 5-10 minutes.)

Sample Guide:
CD/MP3 player—>6J1 preamp—>Power amplifier—>speaker
Input volage:AC18V/1A
Interface:Gold RCA*2(input and output)
Volume knob with volume and Turn ON/OFF function
Weight:350g
Input/output impedance:100K
Package included:
1 x HiFi

Sale Price:$38.00

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Nobsound® 6J1 HiFi stereo tube Pre-AMP Valve Power Audio Preamplifier with Power Adapter for CD/MP3 player

Important Tips:
about the tube.please do not deep plug it in socket.just plug it in half deep is OK.because the tube easy crush
Features: 1,PCB Circuit layout is reasonable and beautiful, minimize noise,warm sound,perfact for listen person singing.
2,About the input and output interface.all using GOLD RCA interface.
3,Best for your desktop headphone amplifier or home power amplifier, make the sound more warm. (This tube preamp need warm time about 5-10 minutes.)

Sample Guide:
CD/MP3 player—>6J1 preamp—>Power amplifier—>speaker
Input volage:AC18V/1A
Interface:Gold RCA*2(input and output)
Volume knob with volume and Turn ON/OFF function
Weight:350g
Input/output impedance:100K
Package included:
1 x HiFi

Sale Price:$39.00

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Nobsound® Latest 6Z5P+12AX7B Valve Vacuum Tube Pre-AMP preamplifier DIY KIT for Audio Hifi / DIY Lover best Choice

Main Parameter: Input jack Standard: RCA Block (4 sets of input, one-output) Frequency Response: 10-26kHz (+/- 0.11dB) about 15 times the voltage amplifier Total Harmonic Distortion: 0.078% Signal to noise ratio: 99dB Product Features 1, using the 0.8mm brushed stainless steel plate CNC punching chassis, making SNR up 99dB, the background is extremely clean. 2, power transformers using H360 0.5 piece 76 * 40 core， primary for the two groups 110v, series connection for 220v and Connect In Parallel 110v, secondary filament winding especially with double shield GND，grounding line is yellow-green line outlet 3, A group of filament 3.15v * 2 for three of 12AX7 filament supply (12ax7 4+5 and 9pin 6.3v) 4, high-voltage 270v *

Sale Price:$219.00

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Little Dot MK2 MKII 6J1 X2 6N6 X2 Headphone Amp Amplifier Pre-Amp Tube

SEPP (Single ended Push Pull) OTL in Class A Input: Gold Plated Unbalanced (RCA) Jacks Output: 1/4\” Gold Plated Stereo Headphone out Driver Tubes: 6JI Power Tubes: 6N6 Frequency Response: 20HZ ~ 50KHz (minus 1 dB) THD plus N: 0.1 percent (50mW into 300 ohms) Suitable Headphone Impedance: 32 ~600 ohms Input Impedance: 50K ohms Pre Amplifier Output Impedance: 600 ohms Pre Amplifier Gain: 3~10x (also controlled via gain switches) Pre Amplifier Voltage: 10V RMS Pre Amplification circuit includes both driver and power tubes Power Output: 300mW into 300 ohms 200mW into 120 ohms 100mW into 32 ohms Power Consumption: 28W (228V x 0.124A) Metric: 210mm (length) by 110mm (width) by 130mm (height) English: 8.26 inches (length) by

Sale Price:$179.99

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SainSmart Assembled 6N3 Hifi Buffer Audio Tube Headphone Amplifier Pre-amp Kit with Transformer

Introduction This tube preamp is based on the famous Matisse circuit, some modifications have been applied to expand the range of frequency, it sounds smooth and punchy. It’s built up with 2 PCBs, the thickness of the lower main circuit PCB is 2mm which can avoid damage when replacing tubes, the upper PCB is for shielding and protection, excellent design! Features * Components: Selected 6N3 tube, Panasonic high voltage capacitors, special ordered high voltage out-couling capacitors, 1% tolerance metal film resistors, quality sealed mini potentiometers. * Glass fiber golden board, red solder mask, with green LEDs on the bottom of the tubes which give a fascinating looking in the dark! * The kit is prewired and well set, you can use it

Sale Price:$37.99

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