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® Audio HIFI 6J1 Tube 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:$39.00

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Nobsound® Luxury 6J1*10 Valve Audio Hifi Stereo Pure Tube Headphone Preamplifier Assembled Board Diy

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:$80.00

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Nobsound Raphaelite Cs30 300b Single-ended Hifi Tube Amplifier 7w×2 Diy Kit a Full Suit

Features:
1.Two permalloy pre-transformer do first-class amplification, the input transformer amplifier gain can control,low distortion, without feedback line
2.Two China Shuguang 6J8P do the second stage amplification
3.Two Chinese early WY2P do regulator respectively Stability two 6J8P Two gate-voltage , To control the distortion is smaller
4.Two Shuguang 300B-98 do power output
5.Power transformer capacity of 300W,In the power supply filament winding and voltage winding are respectively with the voltage selector switch, the output transformer is an open structure vertical installation, power 35W, which is a specially Designed for low resistance straight tube special transformer,Precise inductance, difficult to as many as

Sale Price:$1,099.00

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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® Douk Audio 6J1 Single-ended Class A Tube Headphone Amplifier Hifi Pre-amplifier

Parameters: Input impedance: 47k Output Impedance: 32-300 Ohm 32 ohm load output voltage and output power: 3.3v, 500 mw 150 ohm load output voltage and output power: 6 v, 500 mw Frequency range: 20-20khz +/- 0.2db SNR: 95db Tube: 6J1 *2 Input voltage and current: 12 VAC; 1000 mA Dimensions: L * W * H = 10cm * 10cm * 6cm Weight: about

Sale Price:$69.99

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