Rotel - RA-611 Solid state integrated amplifier

Rotel RA-611 – Vintage stereo integrated amplifier – 1970s

Description

I am offering for sale a Rotel RA-611 stereo integrated amplifier, a vintage model built in the 1970s.

This unit combines a preamplifier and a power amplifier in a single chassis. It notably features phono inputs for connecting a turntable as well as auxiliary inputs for various audio sources.

Condition and operation observed

The unit has been tested prior to sale.

* power-on: functional;
* amplification operation: tested;
* speaker outputs: tested;

Note:
* the unit is sold in its original state;
* no complete electronic restoration has been performed;
* as with any vintage electronic device over 50 years old, a preventive service may be considered depending on intended use.

Technical specifications (manufacturer data / datasheets available)
* Model: Rotel RA-611
* Type: transistorized stereo integrated amplifier
* Year: early 1970s
* Output power:
* about 30 W per channel into 8 Ω
* about 37 W per channel into 4 Ω
* Measured output power (music):
* 80 W into 8 Ω
* 140 W into 4 Ω
* Frequency response:
* power amplifier: 5 Hz to 100 kHz (-3 dB)
* Total harmonic distortion:
* 0.1% at 8 Ω
* Damping factor:
* 35 (8 Ω)
* Inputs:
* Phono
* Tuner
* Auxiliaries
* Tape
* Controls:
* bass
* treble
* balance
* loudness
* high and low pass filters
* Dimensions:
* width: 420 mm
* height: 140 mm
* depth: 240 mm
* Weight:
* about 7 kg
* Power supply:
* mains voltage compatible according to version (100/120/220/240 V – 50/60 Hz)