Lehmann Audio Linear USB Headphone Amplifier

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  • Regular price $1,399.00

Linear USB Headphone Amplifier

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 the 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.


Input impedance: 47 kohms
Max. gain: 0 dB, 10 dB, 20 dB
selectable via DIP switches on the bottom side.
Frequency response: 10 Hz (-0.3 dB) to 35 kHz (-1 dB)
Signal to noise ratio: >95 dB at 0 dB gain (analogue)
THD: <0.001 % at 6 mW/300 ohms
Channel separation: >70 dB/10 kHz
Power consumption: app. 10 W, internal regulated power supply with anti-interference toroidal transformer
Output power: 200 mW/300 ohms
400 mW/60 ohms
Output impedance: Line Out 60 ohms 
Headphone Out 5 ohms
Outer dimensions: 280 x 110 x 44 mm³ (housing only)
Connectors (audio): Neutrik headphone sockets
6.35 mm with gold-plated contacts
1x parallel to Line Out
1x Line Out muting 
Gold plated RCA sockets with teflon insulation
Weight: app. 1.5 kg (3.3 lbs)
Face plate: `Anodised aluminium / natural or black / Chrome optional`
USB converter
Sampling rate digital: up to 48 kHz
Resolution: 16 Bit
Max. voltage USB-DAC: 1 V eff.