Vacuum Tube Hybrid Integrated Amplifier Tube Digital Amplifier FX-AUDIO- TUBE-04J (Vacuum + IC) (Silver)

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🔹 Operated by Verified Japanese Sellers – Approved by JOOM, our experienced Japanese sellers provide reliable service. 🔹 Direct Shipping from Japan – Carefully packed and promptly shipped straight from Japan. 🔹 Japanese-Standard Quality Control – Strict inspections ensure only high-quality products reach you. 🔹 About Included Manuals – If a manual is included, it will primarily be in Japanese. ---------------------------------------------------------------------- Vacuum tube hybrid integrated amplifier The standard included vacuum tube is the 6K4. The power amplifier section is composed of a Yamaha YDA138. AC adapter required (sold separately) DC12V/2A DC jack 5.5mm x 2.1mm (center positive) This product is a hybrid integrated amplifier combining a vacuum tube preamplifier and a digital amplifier, featuring a YAMAHA "YDA138" digital amplifier IC and a maximum 12W x 2ch stereo output. A new challenge has begun for FX-AUDIO-! The vacuum tube preamplifier circuitry cultivated through the TUBE series, combined with the experience gained from producing numerous digital amplifiers. A dream vacuum tube hybrid integrated amplifier, where new and old technologies merge on a single circuit board, promises a new audio experience. [Caution] *Please note that the headphone output terminal does not support 4-pole plugs (TRRS). *AC adapter sold separately. Please purchase the recommended AC adapter at the same time. *The device contains high-voltage components, and contact could result in electric shock and injury. It could also cause a fire, so never disassemble or modify it. *Although the vacuum tubes are new, they are dead stock items and may have some dirt or cloudiness on the glass. Please note that this does not affect the quality or sound quality. [Product Specifications] Brand: FX-AUDIO- Product model number: TUBE-04J Color: Silver Product warranty period: 6 months from the 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 DIP switch on the back. Maximum output: 12W + 12W / Compatible speakers: 4Ω to 16Ω Input terminals: Stereo RCA terminals Output terminal: 3.5mm stereo mini jack (headphone output terminal *4-pole plugs are not guaranteed to work) 2-channel stereo speaker output (gold-plated terminals compatible with banana plugs) *Speaker output automatically stops when using the headphone jack. Power supply: Rated voltage DC12V, recommended power capacity 2A or higher (AC adapter sold separately) Power connector: DC jack, outer diameter 5.5mm, inner diameter 2.1mm (center positive) Accessories: Instruction manual, 2 x 6K4 vacuum tubes (the type will be one of the following pairs: Shuguang, Beijing, or Shanghai; you cannot choose the type). Dimensions: Height 33mm (maximum 76mm including vacuum tube) x Width 98mm x Depth 118mm (excluding protrusions) Weight: 345g (with included vacuum tubes installed) *Specifications and design may be changed without notice due to improvements or other reasons.