Aiwa AD-M250
Dolby B NR Metal Tape

The Aiwa AD-M250 is a stereo cassette deck with Dolby B noise reduction, it was introduced by Aiwa in 1979 and discontinued 6 years later in 1985.

The main features of the Aiwa AD-M250 cassette deck are: 2 heads, analog 3 digit tape counter, manual tape type selection with support for normal, chrome, ferro-chrome and metal tapes with additional manual equalization selection, belt driven single-capstan transport.

Typical front loading cassette deck with the cassette compartiment located on the left side of the deck. Tape eject is operated mechanically and the cassette needs to be placed with the side to be played facing forward in the cassette well.

Level meters used on the Aiwa AD-M250 cassette deck are analog needle VU reading meters. Mechanical transport controls for reliable Aiwa AD-M250 transport function selection. Cue and review can be used to easily and quickly locate the beginning of a passage.

The Dolby-B system reduces tape hiss on tapes recorded on the Aiwa AD-M250 by as much as 10 dB at the highest frequencies.

To make live recordings this deck has 2 microphone inputs to connect microphones with a jack connector. For undisturbed listening a jack connector for a pair of stereo headphones is supplied. Connection to other audio components for plaback can be achieved by a RCA cable and recording from a source by a RCA cable.

Compact Cassette
  • Full Auto Stop Mechanism
  • Metal

Historic events

1979 Introduction of the Australian made Fairlight Computer Musical Instrument, the first polyphonic digital sampling synthesiser.
1980 3M, Mitsubishi, Sony and Studer each introduce a multitrack digital recorder.
1981 IBM introduces the IBM PC.
1982 Dolby HX introduced by Dolby Laboratories
1983 Series The "A-Team" with Mr T premieres on TV.
1984 Apple Computer introduces the Macintosh.
1985 Microsoft announces Windows 1.0.

Features of Aiwa AD-M250

Connectors
Connectivity
2 Mono Microphone Inputs RCA Input/Output Connectors Headphones
Display
Display
3-Digıt Mechanical Counter Analog Needle Meters
Cassette Exterior
Exterior
Silver Finish Orientation Left Front Loading
Compact Cassette
General
Stereo
Head Configuration
Head Configuration
2 Head Desiǥn 4 Track / 2 Channel
Indicators
Indicators
Record Peak Level Indicators Dolby B Cassette Back Lighting
Noise Resuction
Noise Reduction
Dolby-B Noise Reduction
Controls
Operation
Cue / Review Line / Mic Input Select Mechanical Transport Control
Power
Power Requirements
Alternating Current
Preamplifier
Preamplifier
Individual Input Level Controls Output-Level Control
Tape Speed
Speed
1⅞ ips - 4.76 cm/s
Tape
Tape
Manual Tape Type Selection Ferro-Chrome Tape Capabilıty Normal Tape Capabilıty Manual Tape Equalization Chrome Tape Capabilıty Metal Tape Capabilıty
Transport
Transport
Auto Shutoff 1x Motor Mechanism Mechanical Tape Loading Sìngle Capsŧan Transport Belt Drive (Capsŧan)

Similar to Aiwa AD-M250 from the period 1979 - 1985