Nobsound®Little Bear clear 6N5P+6N3 Pre-AMP pure valve tube Headphone Amplifier HIFI DIY

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Manufacturer Details

Technical Parameters:

1) input terminal: a group of RCA
2), the output terminal:
A.RCA output.work as preamplifier
B. a 6.35 earphone socket.
3) frequency response: 12HZ-- 100KHZ (-1 dB).
4) distortion: 0.05 % (300 ohm, 80 mW).
5)The maximum output power of:.
A. 300 mw (600/300 ohm).
A. 300 MW (600/300 Ohm).
B. 350 mw (120 ohm).
B. 350 MW (120 Ohm).
C. 250 mw (32 ohm).
C. 250 MW (32 Ohm).
6) output impedance: 32 ohm - 600 ohm.
7) voltage: 110V or 220V (user defined).
8) power consumption: 80 VA.
9) size: 265 (deep) X140 (W) X68 (high) mm.
10) weight:1.98 Kg.

Product Features

Little Bear CLEAR 6N5P pure valve tube Headphone Amplifier amp preamplifier Weight:1.95KG, Size: 265 (deep) X140 (W) X68 (high) mm, PCB is finished,the panel and transformer you need assemble it by yourself. easy work. Package included : 1x headphome amplifier(included intransformer. valves.) (110v or 220V-240V version.) Features: It's pure valve headphone.provide real warm sound. All Electronic component are TOP HiFi brand. Refer the picture. 110V and 220V-240V both version in available Little Bear P8 is that uses a electronic tube as a headphone amplifier. It uses 3 tubes were used as two stereo left and right channel amplifier. The input signal is the audio signal from the CD player or decoder, an amplified output signal used to drive headphones. P8 uses tube amplification circuit in the electronic is relatively rare in the SEPP single ended push-pull, OCL no output capacitor direct coupled power amplifier circuit The circuit output dynamic than the cathode output generally large. (Undistorted swing: 30Vp-p), due to the cancellation of the output capacitance, low frequency response can dive deeper, more solid, soprano Alto can be more transparent. But in order to make the circuit in the case of direct coupled DC level is zero, need symmetrical supply complex. In order to stabilize the operation of the circuit, and the machine also adopts a "zero servo tracking circuit". In order to ensure the safety of the Technical Parameters: 1) input terminal: a group of RCA 2), the output terminal: A.RCA output.work as preamplifier B. a 6.35 earphone socket. 3) frequency response: 12HZ---100KHZ (-1dB) 4) distortion: 0.05% (300 ohm, 80 mW) 5)The maximum output power of: A. 300 mw (600/300 ohm) A. 300 MW (600/300 Ohm) B. 350 mw ( 120 ohm) B. 350 MW (120 Ohm) C. 250 mw ( 32 ohm) C. 250 MW (32 Ohm) 6) output impedance: 32 ohm - 600 ohm 7) voltage: 110V or 220V (user specified) 8) power consumption: 80 VA 9) size: 265 (deep) X140 (W) X68 (high) mm 10) weight:1.98Kg

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