Thorens, Restek - Prestige Stereo Amplifier ES3 Solid state power amplifier

The image device is a Thorens Restek Prestige Stereo Amplifier ES 3, a high-end stereo power stage handcrafted in Germany.

It shows visible signs of age in the photographs: dirt. It needs a thorough cleaning.

Below are its main features and technical specifications:

Technical Specifications
Circuit Design: Dual-mono construction, meaning both channels are completely separated from input to output, including the power supply, to prevent mutual interference.

Output Power: 2 x 200 watts.

Load Capacity: Can handle load impedances up to 1 ohm without audible restrictions.

Components: Uses 8 power transistors per channel, enabling dissipation of up to 1000 W per channel.

Connectors and Rear Panel
Speaker Outputs ("Output"): Binding posts for a pair of speakers, color-coded (red for positive + and black for negative -).

Inputs ("Input"):
Balanced (XLR): 3-pin professional connector for a signal with less interference.
Unbalanced (RCA/Cinch): Standard gold-plated connectors for conventional preamplifiers.

Adjustments: Includes an adjustable level control to adapt input sensitivity.

This model is part of a historic collaboration between Thorens and Restek, known for its durability and extreme sound fidelity.

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