Oldchen tube Amplifiers(Laochen)

  Manufactuer "LaoChen" have 2 brands name: "Oldchen" , "LaoChen" So this amplifier will maybe come with one of "Oldchen" or "LaoChen" brand name, please pay attention     Technical parameters: Rectifier :  PSVANE 5U4g(5Z3p, 5u3c, gz34 ) preamp tubes :6H8c (Equivalent 6h8c, 6sn7) Power tubes : PSVANE HIFI serie EL34-B x 2,Red or Black seat (depens production periode) Power and connection mode:Ultra-linear connection 10Wx2(default and recommand mode by...

OldChen 300B Tube Amplifier HIFI Single-ended Class A Handmade Scaffolding Amp 100%original factory and brand new Bluetooth has been upgraded to a better 5.0 module for free, supporting aac, aptx, aptxLL, aptxHD Parameters: Pre-amp tubes: 2 x 6SN7GT/CV181-SE(depend option) Rectifier tube: 1 x 5U4G/274B (depend option) Power tubes: 2 x PSVANE made "special customize for Laochen 300B-SE" power tube    Output power : 8Wx2,   Power transformer Power: 150W Frequency response:...

OldChen K3 HIFI KT88 Push-Pull Tube Amplifier 45Wx2 Class A Amp Handmade Scaffolding 100% original factory and brand new Performance parameters: Output Power: 45W x 2 (RMS 8Ω) Frequency response: 18Hz - 35KHz Total harmonic distortion: <1% (1kHz) Input Sensitivity: 500mV - 2000mV Input Impedance: 100KΩ Output Impedance: 4Ω, 8Ω SNR: 88dB, (HIFI EXQUIS 1101017) Dimensions (W x D x H): 370 (W) x 280 (D) x 180 (H) mm Weight: 20Kg Preamp tubes: Shuguang 6N8P × 3,...

​Manufactuer "LaoChen" have 3 brands name: "Oldchen" , "LaoChen", "Aiqin" So for this product, we have some amplifier maybe come with "Oldchen" words on the front plate , and others come with "LaoChen" , please pay attention,   Basic technical parameters: Rectifier :  1x 5u4c (5z4p,5z3p,5u4g,5r4g) Preamp tubes : 1x 6H8c (6n8p, 6sn7) Power tubes : 2x P SVANE HIFI Serie EL34-B ,   Red or Black seat (depens production periode) Rated output...

Features and parameters of this machine: 1. With the direct amplification function of ordinary bile preamp, and adding a moderate high and low tone adjustment, you can adjust the tone according to your preferences, and you can make the details of the music more clear and listening at a low volume. Regardless of whether it is equipped with a tube amplifier or a stone machine, it can both polish and enhance the strength of high frequency resolution and low frequency and the overall dynamic range....