Akai - GXC-510D 卡式錄音機

Vintage Hi-Fi Classic – Akai GXC-510D Stereo Cassette Deck (c. 1976)

The Akai GXC-510D stereo cassette deck is a standout vertical hi-fi component from the golden era of Japanese audio engineering. Combining Akai’s pioneering GX (Glass & Crystal ferrite) head technology, robust mechanics, and a unique upright form factor, it appeals to serious collectors and audiophiles seeking innovation, reliability, and true 1970s style in their vintage setups.

Features & Specifications:
Model: Akai GXC-510D (Stereo Cassette Deck, vertical format)
Manufacture Era: Circa 1976
Head Technology: 2-head system with single-crystal GX recording/playback head — glass-wrapped for durability and outstanding audio fidelity
Transport: Precision vertical design, mechanical full-direct function change with pop-up cassette mechanism
Tape Speed: 4.75 cm/s (standard)
Track System: 4-track, 2-channel stereo
Wow and Flutter: 0.08% WRMS
Frequency Response: 30 Hz – 16 kHz ±3 dB (chrome tape); 30 Hz – 15 kHz ±3 dB (low-noise tape)
Noise Reduction: Dolby system onboard, 54 dB S/N, 62 dB with Dolby engaged
Distortion: 1.5% (1 kHz, 0 VU)
Erasure Rate: 65 dB
Construction: Large analogue VU meters, pop-off transparent maintenance lid, full aluminium panel, robust mechanical controls
Input/Output: Line and mic inputs (independent left/right recording levels), line output control, headphone output
Recording Bias: 62 kHz

Special Features:

- ADR (Automatic Distortion Reduction) system for cleaner recordings at high input
- Direct function controls allow fast forward to eject transitions
- Tape selector supporting chrome and ferric (low-noise) tape
- Real mechanical index counter, detachable cover for easy head cleaning and tape maintenance

Collectable & Audiophile Value:

The Akai GXC-510D is revered for its innovation — Akai’s GX heads are known for longevity and near-reel-to-reel fidelity, a feat few cassette decks can claim. Its striking upright design, analogue VU meters, and all-mechanical charm make it a conversation piece and a performer for Hi-Fi tape fans. A top choice for those restoring or displaying an authentic 1970s setup—either as a daily-use rig or as a collector’s showcase.


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PS: This vintage cassette deck is operational; however, due to its age, we recommend service maintenance — specifically replacing drive belts, the capstan rubber roller, and calibration by a qualified technician — to ensure the finest results for playback and recording for years to come.