ONKYO INTEGRA A-820GTR INTEGRATED AMPLIFIER MAINTENANCE COMPLETED FROM JAPAN

ONKYO INTEGRA A-820GTR INTEGRATED AMPLIFIER MAINTENANCE COMPLETED FROM JAPAN

Condition: Used

Description

This is a high-performance ONKYO Integra A-820GTR integrated amplifier, known for its powerful and delicate sound reproduction. It features advanced technologies such as the Super Servo Integral system and Delta Turbo Power Supply.

Maintenance Performed

・Disassembly and cleaning of three relay units

・Disassembly and cleaning of MM/MC, REC, and PHONO 1/2 selectors

・Cleaning of push switches, speaker selectors, mode selectors, and volume controls

・Partial re-soldering of internal circuit boards

・Replacement of the Speaker B indicator bulb

・Polishing of rear panel terminals

・Internal and external cleaning

Functional Status

・Sound output confirmed through all inputs: TUNER, PHONO 1/2, AUX, and TAPE 1/2.

・PHONO inputs tested with both MM and MC cartridges.

・The amplifier delivers a powerful and clear sound signature.

・Note: REC terminal and recording functions have not been tested.

Condition

・This is a vintage unit and shows signs of use, such as scratches, scuffs, and minor stains consistent with its age.

・Only the items shown in the photos are included. No additional items are included beyond what is shown in the photos.

Specifications

・Rated Output: 120W + 120W (8 ohms, both channels driven)

・Power Consumption: 200W

・Dimensions: Width 471 x Height 175 x Depth 431 mm

・Weight: 23 kg

・Power Supply: AC 100V (A step-down transformer may be required for use outside Japan)

This serviced A-820 series model is becoming increasingly rare. It has been cleaned thoroughly for a pleasant user experience.

Item Details

• Brand: ONKYO
• Type: Integrated Amplifier
• Model: Integra A-820GTR
• Country of Origin: Japan
• Customized: Unknown

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