Akai GX-4000DB (1979–1980)
A stereo reel-to-reel tape deck with Dolby noise reduction, made in Japan
Overview
The Akai GX-4000DB is a stereo reel-to-reel tape recorder made in Japan. It belongs to Akai's high-fidelity analog tape deck lineup from the late 1970s. The "DB" in the model name means Dolby noise reduction, which is what separates it from the non-Dolby GX-4000D. It handles 4-track, 2-channel stereo/monaural recording and playback at tape speeds of 3 3⁄4 and 7 1⁄2 inches per second. Akai designed it for home and enthusiast use.
Specifications
| Product type | Stereo Tape Deck |
| Country of Origin | Japan |
| Track system | 4-track, 2-channel, stereo/monaural |
| Tape speeds | 3 3⁄4, 7 1⁄2 ips |
| Wow and flutter | 0.08% (7 1⁄2 ips) |
| Frequency Response | 20Hz–20kHz (±3dB) |
| Tape Type | Low Noise position selector |
Design
The GX-4000DB has Dolby noise reduction and shares a service manual with the GX-4000D, which confirms the DB as the Dolby-equipped model. The manual includes circuit diagrams and a parts list. It also covers the black panel version of the unit.
Context
User collections group the GX-4000DB with models like the GX-4400D. Social media sometimes calls it part of a "Reference Master series." It shows up in listings next to other Akai professional and high-end consumer tape machines.
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