SENGTERBELLE Finished KT88 Class A Single-end HiFi Vacuum Tube Amplifier USB Decoder

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Model Number
Brand Name
Maximum Power Per Channel
2 (2.0)
Home Amplifier

Frequency response: 20HZ-25KHZ

Total Harmonic Distortion: <1% (1KHZ)

Output impedance: 4Ω, 8Ω


Input impedance: 100Ω

Weight: about 18KG

Maximum output power: 18W * 2

Rated output power: 12.5W * 2

Size: Width 370mm * Height 60mm (165mm) * Deep 290mm

Tubes: 6N8P * 2 + KT88 * 2 + 5Z3P * 1

Input voltage: 220V-240V / 50-60HZ

Color: silver and black

Use of imported new silicon steel and oxygen-free copper wire custom high-level transformers

With independent gate negative pressure regulation, to ensure the stability of the amplifier operating point at the same time to ensure that consumers play a variety of tubes, do not change the circuit, only adjust the potentiometer can be. (If you need to change the different tubes please consult our shop in detail)

With relay 4-way power switch (3 analog input + USB input)

With USB decoding function (No need to install any drivers, convenient and practical)

Machine voltage amplifier tube with filament midpoint adjustable

Output transformer for the rated power of 12W high quality Japanese annealed silicon steel sheet Z11

Package Included:
1×Finished tube amplifier
1×power cable



Shipping CompanyShipping CostEstimated Delivery Time
DHL3 - 7 days
UPS Expedited3 - 7 days
EMS5 - 14 days
Post Air MailFree Shipping15 - 45 days
Return PolicyIf the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.

N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
Seller ServiceOn-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).