Boyuu A20 KT88 Tube Amplifier Reisong Single-ended 6550 Lamp Integrated Amp Latest Version

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Model: REISONG Boyuu A20 MKII

Shipping Weight: 18Kg Product Quantity: 8 Units in Stock

Starting at: $362.99USD

Ship to: Shipping Costs : $200.36USD

Voltage:

Vacuum Tube:

Tube cage:

Yes ( +$15.00USD ) (2Kg)

Add to Cart:

"Boyuu" manufactuer often use some different brand name like "Boyuurange", "Reisong", "Boyuu" or "Tube" , so printed brand name on front panel maybe are different between each prodaction periode, So please pay attention, if you have any question about the brand name.

Technical parameters:
Tubes: Rectifier tube: 1 x 5Z3P,
Voltage tubes: 2 x 6J8P(Equivalent 6SJ7, 6SJ7GT, CV591,CV592, 6Ж8) ,
Power tubes: 2 x KT88,
Power transformer : 0.35mm/60MM 114*60,
Output transformers: 0.35mm 86*50,
Output power: 18Wx2(Ultra- linear connection)
Frequency response: 20Hz--35KHz
Output Impedance: 4ohms - 8ohms
Total Harmonic Distortion: ≤ 1% (1kHz)
Input Impedance: 100KΩ (3 input )
Input Sensitivity: 750mV
SNR: 89dB
Input voltage: 110-240v 50/60hz
Supply transformer Power: 150W
Size (W × D × H): 360mm × 300mm × 185mm
Net weight: 16.5 kg net

Features:
1.A20 architecture is inspirited the USA WE 91 with one level amplification circuit, with chinese 6J8P for voltage amplification， it can be replaced by 6SJ7 or many other samelly tube,
2.The latest 4nd version of A20 is with nice VU-meter:
3.Power and output transformers use Booyu's best transformers
4.Gold plate connection for all connections
5.Double CLC filter inductors for rectifier tube
6.Double chassis design 2.4mm, very high resistant up to 70kg loading
7.The transformers steel are all imported from japon Z11 0.35mm
8.HIFI-EXQUIS made a special English version user manual for this device, please ask us the download link once after you made an order.