Linear D

Out of Stock
  • Dual 1/4" headphone ports
  • Toslink with up-to-192 kHz sample rate
  • Non-magnetic aluminium case with black, chrome or silver face plate

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Headphone Amplifier

Taking the award winning analog Design of the classic Lehmannaudio Linear headphone amp and combining it with a state of the art high resolution Sabre audio DAC by ESS of the newest generation is already off for a very good start. Additionally this DAC module with its complex and noise performance optimised four layer board utilises two digital inputs (Toslink + SPDIF) and features automatic input sensing with Toslink prioritisation. If no digital audio signal is detected the automatic input selector falls back to the analog input. For all this no input selector is needed.

The solid ground for this experience in the Lehmann style is provided by selected components and a sophisticated circuit design. Three optional gain settings allow an impressive listening pleasure with the most diverse headphones on the most diverse sound sources. The Linear D will inspire your active loudspeakers to an amazing vitality, if you so wish, serving as a preamplifier with two digital inputs and one analog input - more than many people need.

But probably you just want to enjoy your favourite music – up close and without flavour enhancer. In this case the Linear D will conjure up a happy smile on your face. What‘s more: two parallel outputs on the legendary discrete solid-state class-A output stage will simultaneously feed two headphones of identical impedance with sovereign power without curtailing the listening experience.

The Linear D auto-recognises an incoming digital audio data stream and switches to the internal high performance ESS Sabre DAC that can handle digital input formats up to 24Bit/192kHz. Which makes it a perfect partner for your streamer and upgrades your optical drive or any other digital source with optical or SPDIF output!

Just listen for yourself how impressively three-dimensional the Linear D outlines an aural stage: with physical, deep lows, a filigree resolution and a downright weightless elegance over the entire acoustic frequency spectrum.

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. If you would like to enquire about the availability of Chrome finish, please Contact Us.

Key Features:

  • Class-A output stage with zero global feedback
  • Excellent sonic performance
  • Toslink with up-to-192 kHz sample rate
  • Additional analogue input with RCA and 3.5mm jack connectors with loop through
  • Automatic input selection with Toslink prioritisation
  • Maximum gain selectable up to 20dB for the use with practically all dynamic headphones
  • Double sided audio board layout for optimal parts placement and trace routing
  • ESS Sabre audio grade components
  • Only Low-ESR electrolytic capacitors
  • Gold plated RCA audio connectors
  • Highly sophisticated, clean power supply
  • Non-magnetic case (aluminium)


Technical Data

Digital Inputs: 1x Toslink 
1x RCA (75Ω)
Sample Rate Digital: 32kHz
Resolution:  24-Bit 
Chipset:  ESS Sabre K2M 
Analog Filter:  Silver Mica Capacitors 
Max Output Voltage:  1V eff. 
Input Impedance: 47kΩ 
Maximum Gain: 0dB
20dB (Switchable) 
Frequency Response: 10Hz (-0.3dB) to 35kHz (-1dB) 
Signal-to-Noise: >95dB at 0dB Gain
THD: <0.001% at 6mW (300Ω)
Channel Separation: >80dB / 10kHz
Output Power: 400 mW (60Ω)
200 mW (300Ω)
Output Impedance: Line-Out: 50Ω
Phones-Out: 5Ω 
Power Consumption: 13W
Connectors: Neutrik Phone Jacks (6.35mm)
1 x Parallel to Line-Out
1 x Line-Out Muting
Gold-Plated Connectors
Dimensions: 110 x 280 x 44mm
Weight: 1500g
Note: We’re constantly updating our website to ensure all our listings are as accurate as possible. However, the images and text on this page can be subject to change without notice, and errors and omissions are excepted.

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