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 has 2 heads and adjustable bias for setting up tape recording performance. It takes standard cassette tapes and was made for home audio use. It belongs to a series with the DX59, DX67, and DX69, and all of them share one 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 DX57 has a 2-head tape transport and a capstan motor. A tape speed control VR (variable resistor) handles calibration. To replace a head, remove the retaining screws and unsolder the lead wires with a soldering iron. The service manual covers electrical adjustments for the DX57, DX59, DX67, and DX69.

Context

The DX57 is a consumer-level cassette deck from the 1990s. It sits 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, which points to 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. One asking price was noted at 1,799 RON. Some units are reported to have playback failure even though the transport controls work, a known issue in aging cassette decks. Service manuals are available online for repair and calibration.