Prime Headphone Amplifier
Personal Space

The Meridian Prime Headphone Amplifier delivers a lifelike performance from any headphone and is designed to appeal to audio enthusiasts who seek the highest possible performance from conventional analogue audio sources.

With three inputs, one dedicated and optimised to USB sources for computer audio, discrete pure analogue inputs on RCA for traditional sources, and a 3.5mm connection for portable devices such as a smart phone, while Analogue Spatial Processing (ASP) offers “outside the head” listening through headphones.

The Prime features Meridian resolution-enhancement technology including low-jitter clocking, upsampling, apodising and full support for MQA.

Key Features

Analogue Spatial Processing (ASP) allows for complete immersion, blending the left and right channels to help you forget that you’re wearing headphones

Digital and analogue inputs - Input either computer audio sources via USB or analogue sources such as your phone, tablet or Hi-Fi

Meridian’s unique Apodising filter fixes errors in digital recordings, making any music sound more alive, regardless of its source.

Double skinned, bead blasted metal chassis construction echoes that of Meridian’s full size components. This ensures that noise is kept away from critical audio components for lifelike details that are critical for headphone listening.

With its extensive Research and Development programme Meridian has pioneered the development of a host of innovative audio technologies many of which feature in today’s Meridian products.

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Filters are critical in digital audio. Commonly they introduce distortion and harshness because of "pre-ringing". Early digital recordings suffer from harshness too, due to primitive filters. After painstaking research, Meridian developed a special filter that avoids pre-ringing, so it can be steeper, cleaning up the effects of early filters. The result: a better, cleaner sound from recordings old and new.

WE ARE THE
PIONEERS OF HI-RES AUDIO

Find out more about Hi-res Audio


MQA is a technology that captures the full magic of an original studio performance. Using pioneering scientific research into how people hear, MQA delivers master quality audio in a file that’s small enough to stream or download – the days of sacrificing quality for convenience are over. Visit mqa.co.uk for more information.

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Uses a complex digital filter to double the rate of samples from the source to improve resolution of the finer details in the record. This means that even with a standard source such as CD using our upsampling technology we are able to significantly enhance the listening experience.

Meridian High Resolution Audio Upsampling.png

AUDIO INPUTS

1x pair Phono (stereo) (A1). Gain 3dB; 1.4Vrms in for 2Vrms out

1x 3.5mm analogue stereo (A2). Gain 12dB; 500mVrms in for 2Vrms out. Analogue inputs overload
capability >40dB

1x Asynchronous USB 2.0 interface, 44.1–192kHz ≤24-bit. Jitter <90ps p-p. Apodising filter and upsampling of 44.1/48kHz inputs to 88.2/96kHz; MQA decode and render

AUDIO OUTPUTS

1x pair phono (stereo) preamp out. Maximum output 3.1Vrms @ 1kHz, THD <0.001% @ 1kHz up to 3V
rms. Crosstalk <–70dB @ 1kHz. Output can be disabled via power button

2x 1/4in A-type stereo phone jacks. Maximum output 3Vrms off load, THD <0.002%. Output impedance
<100mΩ. Power output 250mW up to 42Ω. Short-circuit protected

1x 3.5mm stereo phone jack. Max output 3Vrms off-load, THD <0.002%. Output impedance 2.2Ω

PERFORMANCE

Output noise (input A1) < –100dBV CCIR or A weighted

Frequency response +0/–1dB DC–70kHz, +0/–3dB DC–200kHz

COMPATIBILITY

Suitable for impedances in the range 16–1kΩ or more. Suitable for open, closed, in-, on- or over-ear
models. Recommended sensitivity >80dBspl/mW or >96dBspl/V

CONTROLS

Volume with precise tracking, 70dB range

Input switch

Processing (off/i/ii)

Power including rear output mute

DIMENSIONS / WEIGHT

HEIGHT: 50mm [2.0in]

WIDTH: 160mm [6.3in]

DEPTH: 150mm [5.9in]

WEIGHT: 0.9 kg (2.0 lbs)

POWER

12V DC

Consumption <0.5W standby

<1W in quiescent

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