Revox B750

A stereo integrated amplifier made in Germany by Studer Revox, known for its build and clean audio performance.

Overview

The Revox B750 is a stereo integrated amplifier made by Studer Revox in Germany. It was produced in the late 1970s to early 1980s, and a Mk II version is also documented. It has power, clarity and a reputation for warmth, and it sits in a professional audio lineage. Units were built with serviceability in mind, and many are still in use after restoration.

Specifications

Product type	Stereo Integrated Amplifier
Manufacturer	Studer Revox
Production years	late 1970s – early 1980s
Manufactured in	Germany
Frequency response	20 Hz - 20 kHz
THD	< 0.05 %
Signal-to-noise ratio	> 80 dB
Inputs	1 x Phono (MM), 2 x Line, 1 x Tape
Outputs	1 x Tape, 1 x Headphones

Market

Common maintenance is cleaning the switches and potentiometers and replacing the electrolytic capacitors, which is standard practice among owners. Replacement transformers and phono amplifier PCBs are available as spare parts. One known modification, based on a 1995 design by Allen Wright, addresses the time constant for improved performance.