Is this amp self biasing? Can it use upgraded tubes like 6550's?

If you are hoping to roll tubes, you will want to look elsewhere. But having said that, this is a nice little amp when paired with fairly efficient speakers.

does this amp have Bluetooth ?

The point of s tube amp it to preserve a high quality (hopefully analog) source. Connecting a Bluetooth source is pointless. This company gets it.

Would this amplifier support 350Bs with their slightly higher heater current requirements?

The amp will automatically adjust the bias so no need to do anything

Do you need to Bias this amp or is it self biasing?

The amp is self-biasing therefore there are no bias adjustment pots on this amplifier.

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Reisong A12 EL34 12AX7 (ECC83) Hi-Fi Audio Stereo Single-end Class - A Tube Amplifier Amp

Reisong A12 EL34 12AX7 (ECC83) Hi-Fi Audio Stereo Single-end Class - A Tube Amplifier Amp

Product ID: 279796549

Details

Brand
BOYUURANGE
Color
Black
Compatible Devices
Speakers
Material
Metal
Output Wattage
6 Watts

🔊6W per channel power

🔧Point-to-point hand-welded circuit

🎛️Supports EL34 & 12AX7 tubes without converter

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VT230969

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Description

🎶 Elevate your sound game with vintage warmth and modern precision — don’t just listen, experience it!

RETRO CHIC DESIGN MEETS MODERN BUILD - Robust metal enclosure with a sleek black finish and included tube cage blends vintage vibes with durable craftsmanship.
FUTURE PROOF TUBE ROLLING FLEXIBILITY - Easily swap EL34 and 12AX7 tubes without converters to customize your tonal palette and keep your sound evolving.
AUDIOPHILE GRADE HANDCRAFTED PRECISION - Meticulously point-to-point hand welding ensures pure, warm analog sound that stands out in any hi-fi setup.
PLUG PLAY WITH VERSATILE CONNECTIVITY - 3.5mm jack input and AUX/CD mode switch make integration seamless with your favorite digital sources and turntables.
COMPACT POWERHOUSE FOR BOOKSHELF SPEAKERS - Optimized 6W per channel output perfectly matches bookshelf speakers with 89dB+ sensitivity for immersive, room-filling audio.

The Reisong A12 is a single-end Class-A tube amplifier delivering 6 watts per channel, designed primarily for bookshelf speakers with high sensitivity (89dB+). Featuring hand-welded point-to-point circuitry and compatibility with EL34 and 12AX7 tubes without converters, it offers audiophiles a customizable, warm analog sound in a compact, retro-inspired metal chassis. Ideal for millennial professionals seeking a stylish, high-fidelity audio upgrade that pairs effortlessly with modern digital sources.

Specifications

ASIN	B08SWK24QJ
Amplifier Type	Tube
Best Sellers Rank	#162,190 in Electronics ( See Top 100 in Electronics ) #1,072 in Audio Component Amplifiers
Brand	BOYUURANGE
Color	Black
Compatible Devices	Speakers, Guitar, Keyboard
Connector Type	3.5mm Jack
Customer Reviews	4.0 4.0 out of 5 stars (66)
Enclosure Material	Metal
Item Dimensions D x W x H	10.55"D x 12.2"W x 6.5"H
Item Weight	11 Kilograms
Manufacturer	BOYUURANGE
Mfr Part Number	Reisong A12
Model Name	Reisong A12
Model Number	BOYUURANGE Reisong A12
Output Channel Quantity	2
Output Wattage	6 Watts
Power Source	AC

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VT230969

Duties & taxes included

In stock

Sold byAmazon VanuatuDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Vanuatu.

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TrustScore 4.5 | 7,300+ reviews

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