HiFi Single-Ended Class A Valve Tube Amplifier Stereo Audio Desktop Power Amp

  

True Class A Tube Warmth: Enjoy the rich, smooth tone of a single-ended Class A vacuum tube amp. F2 brings lifelike detail and natural dynamics to your home setup-perfect for relaxed, immersive listening with bookshelf or floor-standing speakers. Tube Rolling Friendly Design: All tubes are pluggable, letting you fine-tune the sound.

Default with 5U4G, 6SN7GT and 6CA7 tubes. Enjoy the freedom to personalize tone and texture based on your gear and musical taste.

Record Player & Turntable Part. Audio Board & DIY Kit. Bluetooth & XLR & MIC. 1/8 & 1/4 Stereo Jack Cable. HiFi Single-Ended Class A Valve Tube Amplifier Stereo Audio Desktop Power Amp. F2 brings lifelike detail and natural dynamics to your home setup, perfect for relaxed, immersive listening with matched speakers. Built with Audiophile-Grade Parts: From a robust 160W transformer with Japan Z11 steel core to ALPS precision potentiometer and gold-plated terminals, F2 uses premium parts to reduce noise and elevate musical detail, bringing out the best in every track. Easy System Integration: Dual RCA inputs and front selector let you connect a DAC, network streamer, CD player or other audio sources and switch instantly, avoiding constant cable swaps and making F2 the heart of a flexible home stereo setup. Whether used in a desktop setup or living room, it delivers immersive musicality. Q: What tubes can be replaced on the F2?

A: The F2 supports tube rolling within compatible tube types. Rectifier tube: 5U4G (default), compatible with 274B / 5Z3P / 5Z3PA. Preamp tube: 6SN7GT (default), compatible with 6SN7 / CV181 / 6H8C / 6N8P. Power tube: 6CA7 (default), compatible with EL34. Please use compatible tube models and follow proper replacement procedures to ensure safe and stable operation.

Q: Can I use 6-ohm speakers with the F2? Which speaker terminals should I use? You may connect them to either the 4? In most setups, we recommend using the 8? Terminals for better dynamics and output strength, while the 4?

Terminals may provide a slightly softer and smoother sound. Audio input: 2 sets of RCA inputs.

Audio output: Banana speaker jacks. Input voltage: AC 110V-120V / 220V-240V.

Dimensions (WDH): 310225200mm / 12.208.857.87in. Net weight: 8.60kg / 18.96lb. Package weight: 10.50kg / 23.15lb. Free Return Within 30 Days. We provide return with 30 days. Is provided for all items. Audio accessories and consumables such as vacuum tubes.

If you are satisfied with our products and service please leave a 5-star. Feedback, we will provide better solutions until you are satisfied. Douk Audio / Nobsound Studio was founded in 2013 in Shenzhen CHINA, we own several brands including. Douk Audio / Nobsound / Little Bear.

As a professional audio company, we are dedicated to design and produce the best products at the lowest prices to make HiFi affordable. We will spare no efforts to bring great products and service for. Improve our customers' listening experience. During holiday, please allow us to response you early next week. Please don't leave any negative / neutral feedback or make dispute/claim on our non-working time, thank you for your understanding and cooperation.