MONA 300B Vintage Tube Amplifier — Class A Stereo HiFi Amp | 274B Rectifier, 6SN7 & ECC83, Retro VU Meter

MONA 300B — Class A Stereo HiFi Tube Amplifier

There's a reason audiophiles keep coming back to tubes. The MONA 300B Vintage Tube Amplifier delivers the kind of warm, rich, analog sound that no digital system can replicate — the kind you feel in your chest, not just hear through your ears. Handcrafted in Shandong, China by MONA, a specialist in high-fidelity tube audio, this amp is built for the serious listener who refuses to compromise.

Why the MONA 300B Stands Apart

• 300B Triode Output Tubes — The gold standard in single-ended Class A amplification. Legendary warmth, depth, and musicality
• 274B Rectifier Tube — Delivers smooth, stable power supply for a blacker background and lower noise floor
• 6SN7 & ECC83 Driver Tubes — Classic preamp tubes that add dimension, air, and detail to every note
• Retro VU Meter — Analog-style level meters that look as good as they sound — a visual centerpiece for any listening room
• Aluminium Chassis Construction — Solid, resonance-free build that protects your tubes and looks premium on any shelf
• 2.0 Stereo Channel Output — Pure two-channel audio, no processing, no coloring — just music the way it was meant to be heard
• Multi-Voltage Options — Available in 120V, 220V, 230V, and 240V to suit US and international setups
• FCC Accredited — Certified for home use in the United States

Specifications

• Brand: MONA
• Output Tubes: 300B (Class A, Single-Ended)
• Rectifier Tube: 274B
• Driver Tubes: 6SN7 & ECC83
• Channels: 2 (2.0 Stereo)
• Chassis Material: Aluminium
• Voltage Options: 120V / 220V / 230V / 240V
• Accreditation: FCC
• Application: Home HiFi
• Weight: 24 kg
• Color: Black

The MONA 300B isn’t just an amplifier — it’s a statement. A return to the art of listening. Add it to your system and rediscover your entire music collection.