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Lehmann Audio Linear D II Headphone Amplifier


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Enquiry/price check? Click here SKU: LMALINR
Ex VAT: £1,415.83

Mark II version of the Lehmann Audio Linear D takes the performance and convenience of high-res digital sources to the next level and also has auto-detecting input system.

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Warranty length 1 Year (2 Years on registration)
Brand Lehmann Audio

Tech Specs

Digital Inputs: Toslink, RCA (75Ω)
Sample Rate: 32-192kHz
Resolution: 24-Bit
Chipset: ESS Sabre K2M
Analog Filter: Silver Mica Capacitors
Max Output Voltage: 1V eff.
Input Impedance: 47kΩ
Max Gain: 0/10/18/20dB (Switchable)
Freq Response: 10-35k Hz (-0.3/1dB)
Signal-to-Noise: >95dB @0dB Gain
THD: <0.001% at 6mW (300Ω)
Channel Separation: >80dB / 10kHz
Output Power: 400/200mW (60/300Ω)
Line-Output Impedance: 50Ω
Phones-Out: 5Ω
Power Consumption: 13W
Connectors: Neutrik Phone Jacks (6.35mm)
Parallel-Line-Out, Line-Out Muting
Gold-Plated Connectors
Dimensions: 110 x 280 x 44mm
Weight: 1500g

Product Description

Lehmann Audio Linear D II is a high-end headphone and streaming pre-amplifier for users who also want to get the best audio from their digital audio sources.

Analogue Circuitry

It has a totally revised analogue circuitry featuring a discrete Class A output stage for an open and natural sound, high-grade Low-Z Copper technology across the PCB circuitry and specially selected components like the oversized internal power supply and low-loss MKP precision capacitors – the new model delivers physical, punchy lows and startling resolution in an open and natural soundstage over the entire frequency bandwidth, allowing your headphones to fulfil their highest potential.

System Matching

For easy system matching, the Linear D II features three Gain settings up-to 20dB and also benefits from two Neutrik headphone sockets with gold-plated contacts, which can be used simultaneously. The Left headphone output mutes the rear line-level RCA output when a headphone is connected. There is also an additional analogue RCA input for connecting more traditional line-level sources, but it’s main appeal is in the high-resolution digital audio inputs.


Linear D II guarantees the highest performance from your existing digital sources. With Optical (Toslink) and Coaxial (RCA 75Ω) inputs, it automatically detects the playing audio (Optical input is prioritised) and converts the raw digital data using a sophisticated ESS Sabre K2M DAC chip.

Linear D II also functions very well as a streaming pre-amplifier for a full hi-fi system (when Gain is set to 0dB and no headphone is connected). With the auto-input detection and sophisticated internal layout, it offers a simple-yet-high-end solution that can easily drive long cables toward a power amplifier or active speakers.

Headphone Amplifier

The Linear D II is truly a reference class pre-amplifier for all dynamic headphones. Utilising a sturdy metal housing with SSC damping feet, for effective decoupling from environmental factors, the aluminium faceplate is available in Black, Silver or Chrome finishes.

Key Features

- High-end headphone amplifier and streaming pre-amplifier
- High resolution digital audio inputs
- Two headphone outputs can be operated at the same time
- Left headphone output isolates the line-level outputs
- Multiple Gain settings for different headphones
- RCA inputs for connecting traditional sources
- Auto-detecting input system prioritises Optical sources
- Works as high-end preamp (Gain set to 0dB, no headphones connected)
- Premium build and luxury electrical components used throughout

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Contact Details

UK Local Rate Number
0844 50 403 50

Sales Landline
0121 224 7300/7401

Customer Services Landline
0121 224 7350/7351

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