Akai DX57
A consumer stereo cassette recorder from the 1990s with 2 heads and adjustable bias
Overview
The Akai DX57 is a consumer-grade stereo cassette recorder from the 1990s. It features a 2-head configuration and includes adjustable bias for optimizing tape recording performance. The unit supports standard cassette tapes and is designed for home audio use. It is part of a series that includes the DX59, DX67, and DX69, which share a common service manual.
Specifications
| Type | cassette recorder |
| Heads | 2 heads |
| Adjustable bias | yes |
| Synchronization | good sync |
| Tape speed | 4.76 cm/s |
| Line input level / impedance | 70 mV / 47 kohms |
| Line output level / impedance | 388 mV / 2 kohms |
| THD | 1.0 % |
Design
The Akai DX57 uses a 2-head tape transport system and includes a capstan motor with a tape speed control VR (variable resistor) for calibration. Head replacement requires removing retaining screws and disconnecting lead wires with a soldering iron. The service manual covers electrical adjustments and applies to the DX57, DX59, DX67, and DX69 models.
Context
The DX57 is a consumer-level cassette deck from the 1990s, positioned alongside models like the Akai GX-R35 and other mid-tier tape decks of the era. It shares a service manual with the DX59, DX67, and DX69, indicating a closely related product family with likely similar design and service requirements.
Market
Listings for the Akai DX57 have appeared on OLX in Romania and Portugal, with one asking price noted at 1,799 RON. Some units are reported to suffer from playback failure despite functioning transport controls, a known issue in aging cassette decks. Service manuals are available online, supporting repair and calibration.
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