BEZ T10B-5 805A Class A monoblock power amplifier

If you have listened to any 211/845 tube amplifiers, this T10B-5 monoblock power amplifiers would be another choice.

It sounds amazing, rock solid bass, airy clean highs, huge soundstage.

You’ll be astounded at the improvement in sound quality, dynamic range, meticulous transparency, completely demonstrate its high performance and analytical ability.

All point to point hand wiring feature always has better sounds than those amps using PCB.


American made AB Carbon Resistor


Chinese high quality red resistor for military use


American WEST capacitors, best for audio use.


MKP film capacitor


Sweden RIFA long life electrolytic capacitor


Use Chinese oil-immersed capacitors as power filter, quality of sound is much better than normal electrolytic capacitors.


Output transformer: BEZ made 75W single ended

Primary impedance
(K ohm)
Secondary impedance
Frequency Response
steel sheets width× lamination (mm)

Net weight (kg)

Available for tubes

75W-4.5K Single end/ BEZDZ


3.5K,4.5K variable



BEZ made power transformer: 460WA9

BEZ made
Power Transformers

Available for tubes
(screening layer between primary and secondary)
Steel Sheets width× lamination (mm)


Size (mm)
mono amp /805/845/813


What are the features:

Voltage of noise is lower than 2 millivolt
Output transformer power: 75W single ended
Power transformer power: 460WA9
Shu Guang 805A (without caps) x 2, can be replaced by 805, FU5 (extra connecting line)
PSVANE 300B x 2, cathode choking coil pushing, can be replaced by 2A3B, 2A3C
Amplification tubes: 6J4P x 2, can be replaced by 6Ж4/6AC7/6J8P/6SJ7/6P9P/6л9/6AG7/6AK7
5Z3PA x 2, can be replaced by 5U4G, 5Z3P
Two groups RCA input sockets


Technical data:

Output power: 2 x 40W
Frequency responds: 20HZ-25KHZ (±2dB)
Sensitive: 2V
Distortion: when 25W, less than 2%
S/N ration: 98dB
Input impedance: 100K
Output impedance: 4ohm/8ohm
Size: 27L x 52W x 25H (cm)
Net weight: 22.5KG x 2
Gross weight: 26KG x 2 (with packaging)



BEZ is an amplifier audio supplier. After establishing the team in 1997, BEZ quickly became a well-respected maker of amplifiers in China. We carefully select components in order to contribute to sounds qualities. These components could be new or used. The used components mainly come from military and they have outstanding performance on sounds. We measure, test and experiment our collections to provide more ways for hobbyist to enjoy music.



We use DHL/UPS/Fedex/EMS.

Item located at china warehouse and item will be ship from China.

Items will be posted within 3 business days after payment confirmed.

A tracking number will be provide to customer so customer can review where is the item till it will be delivered.

Once receive the package please check whether the amp is good or broken.

Please contact for any inquiries before the purchase - [email protected]


Return policy:

If the item shows up defective or damaged, please email us immediately.

We offer 1 years warranty for the amp (3 months for tubes).

Defective situation must be reported to seller within 14 days upon receipt.

Returned packages displaying an invalid or expired will not be accepted.

Returned item should be in its original box with all packing materials and shipped to us via traceable means.

We carfully inspect returned items upon receipt before issuance of refunds or exchanges.

Shipping and handling charges, insurance are not refundable in any case.

Buyer bears all shipping charges.

We are no responsible for any consequences if the amp has been modified and changed by customers.

If you have any question regarding the products and service, please email us through eBay system before you leave feedback. We will try our best to solve the issue with you.