"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.
We ship the package within 1-3 days after the payment cleared.*
Shipping via DHL or UPS or FedEx or other express delivery takes 3-7 business days with a tracking number.
Shipping via China Post EMS or HK Post EMS usually takes 7-14 business days with a tracking number.
Shipping via China Post air mail or HK Post air mail usually takes 10-30 business days with a tracking number.
Faster payment, faster delivery.
Buyer pays any import taxes or customs duty.
All items are marked as low value on postal paper for customs to send that our buyers can save some customs fees.
Standard Return Policy:
If the item shows up defective or damaged, please email us immediately.
ONE-YEAR WARRANTY!!!
Brand new replacement with 14 days.
Defective situation must be reported to seller within 14 days upon receipt.
Returned item should be in its original box with all packing materials and shipped to us via a traceable shipping way.
We carefully inspect returned items upon receipt before issuance of refunds or exchanges.
Please allow up to 10 business days for us to process your return.
The customer needs to pay for the shipping costs for returning.
International Shipping:
We ship goods to worldwide. All the packages will come with a tracking number.
Payment Methods
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