The Luxman G-120A is a high-quality vintage stereo graphic equalizer from the early 1980s, featuring ten bands per channel, precision discrete circuitry, and a professional-grade design for detailed audio control.
General Specifications
The G-120A was manufactured by Luxman in Japan between 1980 and 1985 as part of their Duo-Beta Exquisite Separates series . Key specifications include:
- Type: Stereo graphic equalizer
- Channels: Two (stereo) with 10 bands per channel
- Power Consumption: 20 watts
- Dimensions: 438 mm (W) × 110 mm (H) × 270 mm (D)
- Weight: 5.2 kg
- Color: Front silver panel with black cabinet
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Design and Construction
The G-120A is known for careful, high-end design. Unlike many other equalizers of the time, it uses:
- Discrete components: Precision resistors and low-capacitance or low-leakage capacitors
- No off-the-shelf ICs: Ensures higher audio fidelity and lower distortion
- Muting switch: Streamlines signal paths for bypass, normal, and recording modes
- 2 Sources
Functionality and Use
As a graphic equalizer, the G120A allows precise tonal control of audio playback or processing. Typical use involves:
- Inserting the unit between a preamplifier and power amplifier for main signal equalization
- 3 Sources
Collectibility and Availability
The Luxman G-120A is considered rare and collectible today. It often appears in vintage hi-fi listings, with prices ranging around $900 to $1,000 USD for units in good condition . Original manuals and documentation may still be found online for reference .