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

💡EL34 & 12AX7 Tubes Pre-installed

🔊6W Class-A Output Power

🎛️Point-to-Point Hand Welding

€ 1320.01

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Description

🎶 Elevate your audio game with vintage warmth and modern precision!

ROBUST METAL ENCLOSURE - Durable, sleek black metal housing that blends premium aesthetics with lasting protection.
USER FRIENDLY MODE SWITCHING - Easily toggle between AUX and CD modes with a simple button press—no fuss, just pure sound.
VERSATILE TUBE COMPATIBILITY - Supports multiple tube models without converters, letting you customize your sonic signature effortlessly.
AUDIOPHILE GRADE SOUND CLARITY - Experience warm, rich tones with precision hand-welded circuitry designed for discerning listeners.
OPTIMIZED FOR BOOKSHELF SPEAKERS - Perfectly pairs with speakers 89dB+ sensitivity—unlock your system’s true potential without compromise.

The Reisong A12 is a 6-watt Class-A tube amplifier featuring EL34 and 12AX7 tubes, designed for audiophiles using bookshelf speakers with 89dB+ sensitivity. Hand-welded point-to-point circuitry and a high-end output transformer deliver rich, warm sound. Its metal enclosure ensures durability, while versatile tube compatibility and easy mode switching make it a refined choice for hi-fi enthusiasts.

Specifications

ASIN	B08SWK24QJ
Amplifier Type	Tube
Best Sellers Rank	#364,761 in Electronics ( See Top 100 in Electronics ) #2,024 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 kg
Manufacturer	BOYUURANGE
Mfr Part Number	Reisong A12
Model Name	Reisong A12
Model Number	BOYUURANGE Reisong A12
Number of Items	1
Output Channel Quantity	2
Output Wattage	6 watts
Power Source	AC
Unit Count	1 Count

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€ 1320.01

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered 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 Croatia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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