Merason frerot

Non-Oversampling DAC. Made in Switzerland


Input signal processing: The frerot has one USB, two RCA and two Toslink inputs. The USB input is based on Amanero technology and ensures a low-jitter music signal thanks to two precise oscillators, which is additionally galvanically isolated by capacitive isolator components. The signals arriving at the other inputs are also galvanically isolated and de-jittered by means of transformers. This guarantees that no external interference can affect the sensitive signal.

Digital-to-analog conversion: The task of digital-to-analog conversion is performed by a 1794A converter module from Burr Brown. The analog current signal is elaborately converted into a voltage signal in a discrete setup, which is buffered in Class A technology and routed to the output. The frerot is fully balanced, i. e. a total of four independent channels are implemented from the two converter modules to the output.

Power supply: Each functional unit has its own power supply, and there are ten in total. All four output channels are supplied by one supply, which is generated by a switching voltage regulator.

Structure: Meticulous attention has been paid to the layout and component selection to ensure that both ensure good sound, which has been verified in many sessions and confirmed by many listeners.

Made in Switzerland


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We also sell its $1100.00 optional matching outboard linear power supply - the Merason pow1

Specs of the Frerot:

Output: max. 4 V RMS (balanced), max. 2 V RMS (unbalanced)

Frequency Response: 20 Hz bis 20 kHz +/- 0.2 dB

THD+N: < 0.006 %

SNR: > 120 dB

DAC: BurrBrown 1794A, discrete I/V stage

Power Supply: 9V DC, 12 W via enclosed external power supply unit.

Enclosed external power supply unit 100V to 240V AC / 50 to 60 Hz, 40W.


Ambient temperature 10°C to 30°C, 50°F to 86°F.
Humidity max. 80 %, non-condensing.
During operation, the device heats up by approx. 15 K compared to the ambient.


44.1 kHz@16 bit, 44.1 kHz@24 bit
48 kHz@16 bit, 48 kHz@24 bit
88.2 kHz@24 bit
96 kHz@24 bit
176.4 kHz@24 bit
192 kHz@24 bit

Width:  8.86 In   x  Height: 1.97 In    x   Depth:  7.1 In
Weight: 2.2 lbs (DAC),0.44 lbs (power supply)

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