Aiwa AD-R650
Dolby B NR Dolby C logo Dolby HXPro Full Logic Metal Tape 3 Head

This Aiwa AD-R650 is a auto-reverse stereo cassette deck with Dolby B/C and HX-Pro noise reduction, it was first sold by Aiwa in 1985 with a list price of USD $395 and discontinued 2 years later in 1987.

The main features of the Aiwa AD-R650 are: 3 heads and off-tape monitoring, mechanical 3 digit tape counter, automatic tape type selection and capable of handling normal, chrome and metal tapes, belt driven auto reverse 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 AD-R650 are generic digital peak reading meters. Full-logic transport controls used on the AD-R650 let it respond to the slightest finger contact for fast and effortless transport function selection.

Dolby C-type used in the AD-R650 provides 20 dB of noise reduction above about 1,000 Hz, fully doubling the amount given by B-type. The Dolby HX PRO system provides precise bias control during recording to reduce distortion and improve linearity in the high-frequency range, the result is recorded sound that is highly faithful to the original. The 19kHz multiplex pilot slgnal present in FM stereo broadcasts can cause false triggering of the noise reduction system. The switchable MPX filter of the AD-R650 filters out the pilot signal, and assuring proper Dolby processing of FM stereo programs.

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
  • ADMS (Automatic Demagnetizing System)

Historic events

1985 Philips ends production of Video 2000
1986 IBM-PC DOS Version 3.2 (updated) released.
1987 The brand AKAI is no longer used and is replaced by A&D in Japan when merged by Mitsubishi

Features of Aiwa AD-R650

Calibration
Calibration
Bias Fine Tune
Connectors
Connectivity
RCA Input/Output Connectors Headphones
Controls
Controls
3-Position Direction Selector
Display
Display
3-Digıt Mechanical Counter Digital Peak-Reading Meters
Electronics
Electronics
Record Protection
Cassette Exterior
Exterior
Orientation Left Black Finish Front Loading
Compact Cassette
General
Stereo
Head
Head Configuration
Demagnetizing (Auto) 3 Head Desiǥn 4 Track / 2 Channel
HighCom NR
Noise Reduction
Dolby-B Noise Reduction MPX Filter Dolby-C Noise Reduction Dolby HX Pro®
Controls
Operation
Full Logic Transport Control Record Mute Auto-Space Real-Time Tape Monitoring
Power
Power Requirements
Alternating Current
Preamplifier
Preamplifier
Record Level Balance Control Master Record Level Control
Tape Speed
Speed
1⅞ ips - 4.76 cm/s
Tape
Tape
Automatic Tape Type Selection Normal Tape Capabılity Chrome Tape Capabılity Metal Tape Capabılity
Transport
Transport
Auto Reverse Quick Auto Reverse Auto Shutoff Mechanical Tape Loading Single Capsŧan Transport (x2) Belt Drive (Capsŧan)

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Last update on Mar 28, 2024 12:11:40 PM CET

Similar to Aiwa AD-R650 from the period 1985 - 1987