FX-AUDIO-TUBE-04J [Silver] Vacuum Tube Hybrid Integrated Amplifier with Vacuum Tube and Digital Amplifier IC

This product is a hybrid integrated amplifier that combines a vacuum tube preamp and digital amplifier, featuring Yamaha's "YDA138" digital amplifier IC, maximum 12W x 2-channel stereo output, and a vacuum tube preamp function.

FX-AUDIO- has begun a new challenge! Utilizing the vacuum tube preamp circuitry cultivated in the TUBE series and the experience we've gained from producing numerous digital amplifiers, This dream vacuum tube hybrid integrated amplifier promises a new audio experience, combining new and old technologies on a single board.

[Note] *Operation is not guaranteed for the headphone output jack with a 4-pole plug (TRRS). *AC adapter sold separately. Please purchase the recommended AC adapter at the same time. *High-voltage components are present inside. Contact with them may result in injury from electric shock. It may also cause a fire. Do not disassemble or modify the unit under any circumstances. *The vacuum tubes are new, but as they are dead stock, there may be dirt or tarnish on the glass. Please note that this does not affect the quality or sound quality.

[Product Specifications] Brand: FX-AUDIO Model Number: TUBE-04J Color: Silver Warranty Period: 6 months from date of purchase Compatible Vacuum Tubes: 6K4/6J1 Digital Amplifier IC: YAMAHA YDA138 Function: Headphone amplifier (exclusive use with speaker output) Gain setting (18/24/30/36dB) via rear DIP switch Maximum Output: 12W + 12W / Speaker Compatible: 4Ω to 16Ω Input Terminal: Stereo RCA Output Terminal: 3.5mm stereo mini jack (headphone output terminal; operation is not guaranteed with 4-pole plugs) 2-channel stereo speaker output (gold-plated terminals compatible with banana plugs) Speaker output automatically shuts off when the headphone jack is in use Power Supply: Rated voltage: DC12V, 2A or higher recommended (AC adapter sold separately) Power Connector: DC jack, outer diameter 5.5mm, inner diameter 2.1mm (center positive) Accessories: Instruction manual, 6K4 vacuum tube Two amplifiers (either Shuguang, Beijing, or Shanghai) are available as a pair; selection is not possible. Size: 33mm high (maximum 76mm including tubes) x 98mm wide x 118mm deep (excluding protrusions) Weight: 345g (with included tubes)

Specifications and design are subject to change without notice for product improvement reasons. Vacuum Tube Hybrid Integrated Amplifier Uses 6K4 vacuum tubes as standard. Power amplifier section is configured with Yamaha YDA138. AC adapter required (sold separately): DC12V/2A, DC jack 5.5mm x 2.1mm (center positive).