Lehmann Audio Linear USB Headphone Amplifier

Linear USB

Computer and High End audio are no longer a contradiction. Do you have any idea how great your headphones could really sound playing files from your computer Try out the Linear USB now and be surprised!

The Linear USB built-in DAC is meticulously built with an integrated Burr Brown DAC and separate voltage regulators of highest quality. The USB connector is only used to transport the signal and not as a power supply.

The Linear USB is a high end headphone amplifier that will satisfy even the highest requirements for quality headphone music reproduction.

The selectable gain (0 dB, 10 dB, 20 dB) of the Linear USB effectively optimizes the output level of the zero global feedback Class A output stage. Practically all high quality dynamic headphones available will show their best possible performance. Carefully selected top notch components and a highly sophisticated circuit design guarantee top performance listening pleasure.

We are happy to proclaim the Lehmannaudio Linear USB as the perfect HD800 partner.
Hifi plus magazine

Perfect pre-amp for simples stereo setups.

For stereo setups consiting of your computer and an additional analog source like a CD player or a turntable with a phono stage the Linear USB is the simplest and most effective active preamp one can think of. You don't even have to care about input switching because the unit detects the USB audio signal automatically!

The faceplate and the massive milled aluminium knob for the smooth running 27 mm ALPS high grade volume control are available in anodized black or silver.

To get the best out of your headphone from your computer you will have to try the Linear USB.

Specs

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 > 95 dB at gain 0 dB
THD < 0.001 % at 6 mW/300 ohms
Channel separation > 70 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 10 W
Outer dimensions W x D x H 110 mm x 280 mm x 50 mm, 4.3" x 11.0" x 2.0"
Weight 1.5 kg, 3.3 lbs

Gain selectable 0db, 10dB, 20dB
Zero global feedback Class-A output stage
Compatible with virtually all dynamic headphones
>95dB S/N at 0dB gain
200mW @ 300 Ohms, 400mw @ 60 Ohms
Internal power supply
Gold plated connectors
High quality USB DAC
EAN 4250701322369 (Silver)
EAN 4250701322345 (Black)