Description
ThivanLabs 300B – Valve Amplifier
El ThivanLabs 300B It is one of those amplifiers that seem to arrive from another era, when music was listened to at leisure and high fidelity was built with artisanal hands. Its heart is the legendary valve 300B, famous for its warm, expressive and deeply human tone.
What makes you fall in love with this device is not the power, but the way the music breathesthe voices appear at the front, the instruments retain their true timbre and the soundstage unfolds with a naturalness that is addictive. It is one of those amplifiers designed for listening for hours, without fatigue and without artifice.
Perfect for those looking for an intimate, close and emotional sound. It is especially recommended with high-sensitivity loudspeakers, where it displays all its delicate, elegant and highly musical character.
Its construction is solid, traditional, with no concessions to the superfluous. It does not seek to impress at first glance, but rather win over slowly, the way things should be done. An amplifier to enjoy for many years, without haste and without bluster: simply music, and nothing more.
SPECIFICATIONS
- Pure Class A: zero feedback
- Inputs: 1 x XLR; 2 x RCA
- 4, 6, 8, 16 ohm speakers
- Vacuum tube accessory
- – Input and driver tube 1 x 12AU7; 1 x 6SN7; 2x6V6
- – 300B power tube x 2
- Output power 7.5W / channel
- Frequency response 10 Hz – 30 kHz (-1 dB); 20 Hz – 20 kHz (-0.1 dB)
- Input sensitivity 600 mV
- Input impedance 100 kilohms
- Power requirements 220V (configurable to 100/110/117 / 240v / 50-60Hz for different markets)
- Power consumption 120W
- Dimensions (W x D x H) 45 x 40 x 26 (cm)
- Weight 35 kilograms








Pablo Martín Pardo (verified owner) –
Having read many very positive reviews about this 300B valve and seeing the special offer available in the shop, I was encouraged to take the plunge and purchase this amplifier. The initial impressions are very high in terms of sound elegance and tonal richness.
Its 8 watts are more than enough to drive my ProAC D 15 speakers, which it handles with greater ease than my old 60-watt Arcam.
Very satisfied.