M196sx


The M196sx is the third generation of class a vacuum tube preamps from Peach Audio. There are two key aspects to its sound. First is excellent transient response, to capture every element of a performance, including the subtle details of the surrounding acoustics. Second is an ultra-wide dynamic range so this detail isn’t lost in the noise floor. Maintaining the balance between technical specs and musicality is our key benchmark. Often overlooked, the power supply is one of the most important parts of any audio design. Our zero-feedback high voltage regulators, linear DC heater supplies and attention to ground currents ensure an ultra-low noise floor and uncompromised transient response. Controls are designed for practical, efficient, repeatable, long-term use in recording studios. Construction design is focused on reliability and servicability.


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Specifications

 input gain

+18 dB to + 62 dB of input gain in 4 dB steps


output gain

11dB of output attenuation in 1dB steps


impedance

four input impedances to provide optimum loading
for both 50 Ω and 200 Ω microphones


instrument

2.7 MΩ unbalanced instrument input (using mono plug)
Also provides a post-input transformer, instrument level insert point
for effects pedals, re-amping etc. (using stereo to dual mono cable.


otl

transformerless unbalanced output (pin 2 hot)
maximum output level +26 dBu min load 10 kΩ


frequency response

10 Hz to 30 kHz ± 0.5dB


mains input

selectable from rear panel 120 V and 240 V (50-60 Hz)


low pass filter

6 dB/octave cut @ 4 kHz, 8 kHz, 16 kHz
e1 6 dB boost @ 16 kHz, e2 9 dB boost @ 16 kHz


source

mic, mic + 48v @ 50mA, line – all xlr transformer balanced
option provides i/o access for additional interfaces


vu meters

+4 dBu, +14 dBu, +24 dBu selectable reference levels


polarity

0°, 180° reverses output polarity relative to input


a/b

two independent class a vacuum tube preamplifiers


ein

–125 dBu a-weighted, source impedance 150 Ω, all filters flat


dimensions

width 483 mm, depth 430 mm, height 90 mm (2ru). weight 13.1 kg

high pass filter

6 dB/octave cut @ 20 Hz, 40 Hz, 60 Hz, 80 Hz, 120 Hz


attenuation

24 dB of input attenuation in 8 dB steps


mute

mutes audio at output, vu meters remain operational


xfmr

transformer balanced output (pin 2 hot)
maximum output level +18 dBu min load 600 Ω


m/s

mid/side encoded stereo output using an output transformer matrix


thd

0.07% @ 18 dB gain, 1kHz