Boyuu A10 EL34B tube amp Single-end Class A HiFi audio integrated stereo amplifier
tube 5Z4P Rectified
Brand New
Opened box&Ship to USA only(returned goods checked like new) is ONLY for Version: Ver B: welding by hand upgrade version Come with Tube cage cover（Buyer need to choose the tube cage cover. If not,no tube cage cover will come.） 115V.
Shipping for Reisong A10 Ver B: welding by hand upgrade version Come with Tube cage cover(Buyer need to choose the tube cage cover.If not,no tube cage cover will come.)
Version A: PCB standard version, power transformers 96 * 50, 66 * 36 output transformer. When you want to take the time to change the machine, the advantage of low noise.
Version B: welding by hand upgrade version. Manual welding, preferred audiophiles, the output transformer switch to the higher end of the 76 * 40 output transformer. When low-frequency dynamic playback is good, control and strong, it is more powerful.
Version C: PCB upgrade version. PCB, output transformer is 76 * 40 output transformer. When low-frequency dynamic playback is good, control and strong, it is more powerful.
The price is NOT included the tube cage cover. if you need the tube cover, plus extra $20 USD to get it.
Declaration
Ver A: PCB standard version, power transformers 96 * 50, 66 * 36 output transformer. When you want to take the time to change the machine, the advantage of low noise.
Ver B: welding by hand upgrade version. Manual welding, preferred audiophiles, the output transformer switch to the higher end of the 76 * 40 output transformer. When low-frequency dynamic playback is good, control and strong, it is more powerful.
Ver C: PCB upgrade version. PCB, output transformer is 76 * 40 output transformer. When low-frequency dynamic playback is good, control and strong, it is more powerful.
The price is NOT included the tube cage cover. if you need the tube cover, plus extra $20 USD to get it.
Specifications:
Output Power: 6W * 2 (Ultra-linear).
Frequency response: 20Hz - 28KHz.
Output Impedance: 4,8Ω.
Total harmonic distortion: ≤ 1% (1kHz).
SNR: 88dB.
Voltage amplification: 6N2J × 2.
Power output tube: Dawn export EL34B × 2.
Rectifier tube: 5Z4PJ × 1.
Input sensitivity: 750MV.
Input impedance: 100KΩ (2 groups input)
Dimensions (W × D × H): 310 × 268 × 165mm.
Power Supply Voltage: AC 100V - 120V / 60Hz
Features:
Power Transformers: new imported 0.35, stack thickness 50MM (96-50).
Output transformer core: new imported 0.35 (66*36(standard version)) or (76*40upgrade version).
Chassis: imported mirror stainless steel chassis.
Corners aluminum column: high-grade aluminum CNC machining, diamond knife speed car system.
Output Block: High-grade export base, with a transparent cover.
6N2J pre-voltage amplification.
Dawn swallows export EL34B do power output.
Potting type output transformer, to ensure the stability and reliability of the output transformer, especially in the southern humid places, have a more reliable performance.
Output transformer with a new imported 0.35 core manufacturing, high-purity copper wire package enameled, layered segmentation, string and connection method, divided into three clips two around the system,
Output transformer transformer housing with high-grade stretch hood. High temperature paint surface treatment, bright pattern processes. Nissan ALPS potentiometer.
Imported 0.35 thick core manufacturing power transformers, to ensure adequate power and low temperature rise.
The Prices of raw materials copper, iron and aluminum increase by 20% to 60% these months in 2020.
The USD to RMB exchange rate get bad too.
We want to sell the lowest price, but the Prices of raw materials is crazy.
Factory get no gross margin for this price, if Calculation of net profit, Factroy got the Negative net profit.
Now the price for Reisong A10 is $199.99 USD + other + shipping, we will Raise the price to $239.99 USD + other + shipping on Mar 10, and set the price to $219.99 USD + other + shipping on Feb 10, set the price to $209.99 USD + other + shipping on Jan 20.
