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Lehmann Audio

Lehmann audio Linear USB II

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Internationaler Versand (DE, FR, BE, NL)

Lieferung in 2 bis 5 Werktagen für 8,99 €

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Linear USB II info sheet

Since 2004 the Linear has thrilled all music lovers who expect their hi-fi amplifiers to perform at their best also with headphones. Can this success story still be surpassed? Yes it can – and how!

The Linear USB II comes up with a digital-analogue converter of the latest generation and a fully revised analog board using the high-grade Low-Z Copper technology. Physical punchy lows and a filigree resolution over the entire frequency bandwidth: you will never again consider your headphones just as a makeshift solution.

Best of both worlds

Keeping an eye on your needs at any time the Linear USB II delivers an impressive listening enjoyment due to its three gain settings – even with the most diverse headphones on very different sound sources. As a headphone amplifier and preamp it joins the carefully selected components and sophisticated circuitry of our crowd favourite the Linear with the digital world.

Enjoy your musical treasures from PC Mac or even your mobile phone in audiophile quality. The Linear USB II automatically detects an incoming USB audio data stream and does without an input selector switch. For double listening pleasure our new champion is ready to feed two headphones simultaneously and as a streaming preamp it also spurs on your active loudspeakers to play with amazing vigour.

3S damping feet decouple the Linear USB II from its base and bring about quietness. In every situation a fabulous sound always striving for perfection – that’s our Linear USB II.


Technical Data

The impressing technical details of the Linear USB II.

Linear USB II
Analogue section
Input impedance 47 kohms
Maximum gain 0 dB 10 dB 18 dB 20 dB
selectable via DIP switches
Frequency response 10 Hz (-0.3 dB) to 35 kHz (-1 dB)
Signal to noise ratio > 100 dB at gain 0 dB
THD < 0.001 % at 6 mW/300 ohms
Channel separation > 80 dB at 10 kHz
Output power 400 mW/60 ohms
200 mW/300 ohms
Output impedance pre-out 50 ohms
phones out 5 ohms
Connectors audio Neutrik headphone jacks with gold plated contacts
1 x pre-out
2 x phones out
gold plated RCA sockets with teflon insulation
Power consumption 15 W through internal regulated power supply
Special feature PC board in Low-Z Copper technology
vibration-absorbing 3S Device Feet
Outer dimensions W x D x H 110 mm x 280 mm x 44 mm (4.3 x 11 x 2 in.)
Weight 1.5 kg (3.3 lbs.) net
Digital-analogue converter
Digital inputs 1 x USB B
Sampling rate up to 384 Khz
Resolution up to 32 bits
Formats PCM DOP 128 FLAC MP3 WAV
Chipset ESS Sabre K2M
Analogue filter Silver Mica capacitators
Max. output level DAC 1.8 V eff.
Special feature The analogue input is automatically activated when no digital signal is recognised


With our accessories you can get even more use out of our products.

Mounting Kit


With our mounting kit your Linear USB II mounts quite easily and inconspicuously on furniture and walls.

See our brochure for full details (PDF)


3S Device Feet


Our 3S Device Feet take your Linear USB II and your favourite music to a new level.

See our brochure for full details (PDF)



"The sonic step upward is truly amazing."

— hifi & records

"The virtual 3D gain is impressive"


hifi & records

"The Lehmannaudio Linear USB II is a phantastic sounding pre and headphone amplifier. It adds resolution timbres and spatial imaging to a convincing sound picture – so well that I couldn’t wait until Christmas to buy it."

Read the whole article (PDF)


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Elektronik, Musik

Place de Paris 1, L-2314 Luxembourg


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