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Warwick Acoustics M1 Electrostatic Headphone Amplifier


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Enquiry/price check? Click here SKU: WAM1EAMP
Ex VAT: £3,162.50

The M1 Electrostatic headphone amplifier has been designed for the Sonoma model one and Bravura headphones. 

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Condition: Brand new in original retail packaging

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Warranty length 2 Years
Brand Warwick Acoustics

Tech Specs

- USB Input:
USB 2.0, type B; accepts digital audio formats up to 32‑bit/384 kHz PCM
and DSD via DoP (DSD64/DSD128)
- Digital Coaxial Input:
S/PDIF; accepts digital audio formats up to 24‑bit/192 kHz PCM
- Analog Input (High Level): Dual RCA; 2.1 Vrms
- Analog Input (Low Level): 3.5 mm; 850 mVrms
- DAC: Dual mono, 32-bit/384 kHz DACs with balanced outputs
- ADC: 32-bit/384 kHz multi-channel ADC with balanced input buffers
- Digital Signal Processing (DSP): 64-bit (double-precision)
fixed-point processing at native sample rates
- Amplifier/Energizer: Discrete FET, single-ended, high-bias Class-A output
- Distortion + Noise: < 0.05%
- Bandwidth: > 65 kHz
- Enclosure: CNC-machined 6063 aluminum
- Power Supply External: 24 VDC, 60 VA, fixed frequency,
class B-compliant SMPS;
- Internal: fully isolated, ultra-low noise linear regulation
- AC Mains: World voltage compatible (90-264 V, 50-60 Hz);
IEC-60320 C14, earth-grounded power cable; 1.5 meter length
- Dimensions: H x W x D: 57 mm  x 190 mm x 290 mm 
- Weight: 2.45 kg (5.40 lbs)

Product Description

Warwick Acoustics M1 Electrostatic Headphone Amplifier has been specifically designed from the ground up for Warwick Headphones. The M1 is a Class-A amplifier with ESS DAC technology, custom-designed signal processing and an exquisite aluminum design.

Class-A Amplifier

The drive for the M1 amplifier comes from a single-ended, high performance, discrete FET Class-A amplifier which has a wide bandwidth, very low distortion, and has been optimised to match the HPEL traducers found in Warwich headphones. The M1 headphone Amp has been designed to drive the inherent capacitive load of the electrostatic transducer in the most optimal way possible. To improve the linearity of the M1 Amp, the Class-A output stage is operated with a high bias level which delivers a very high slew rate.


Warwick aimed to deliver high-resolution performance with the M1 Amp which is why they used ESS Technology. The M1 Amp comes with 32-bit reference DAC chips, the two DAC chips are used in a mono mode which delivers a measured 120 dB signal-to-noise ratio.

64-bit Fixed-Point Digital Signal Processing

The M1 Amplifier digitally processes all signals with a custom 64-bit double-precision fixed-point arithmetic that runs in tandem with a multi-core XMOS processor. Fixed point arithmetic is considered to be a superior method of audio processing and Warwicks 64-bit arithmetic has been designed to match or even exceed professional equipment.

USB Data Cable

The M1 Amplifier comes with a silver-plated data path and gold-plated connectors. Straight Wire has Co-developed the USB cable and has been designed to be the ideal connection between your digital music source and amplifier.

Universal Voltage PSU

The M1’s power supply has been custom designed with universal voltage switch-mode and utilised a fixed frequency design that is optimised for low noise with the audio bandwidth. To ensure a good connection to the M1, a locking DC power connector is used. All the power going into the uni is supplied by a ultra-low noise high current linear regulator.

Aluminum Case

The M1 Amplifier is made of strong, high purity aluminum 6063, within the manufacturing process, the metal is extruded and then CNC-machined to create a U-shape made up of the base and side panels. The metal panels along the sides and the top-plate are 8mm thick along with a 12mm backplate. A unique 3D-wave pattern has been cut into the base and the top plate to allow for heat distribution.

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Contact Details

Customer Services Landline
0121 224 7350/7351

Sales Landline
0121 224 7300/7401

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07706 203859

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