Alpine AL-81
Dolby B NR Dolby C logo Wired Remote Control Full Logic Direct Drive Metal Tape 3 Head

This Alpine AL-81 is a stereo cassette deck with Dolby B and C noise reduction.

The main features of the Alpine AL-81 are: 3 heads and off-tape monitoring, digital linear tape counter with 4 digits, tape type selection and capable of handling normal, chrome and metal tapes, dual 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 AL-81 are generic digital peak reading meters. Full-logic transport controls used on the AL-81 let it respond to the slightest finger contact for fast and effortless transport function selection. Cue and review can be used to easily and quickly locate the beginning of a passage.

To ensure the best response from the wide variety of tapes available adjustment of, bias and sensitivity, to optimum levels can be performed prior to recording.

Dolby C-type used in the AL-81 provides 20 dB of noise reduction above about 1,000 Hz, fully doubling the amount given by B-type. 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 AL-81 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. All main transport commands can be issued remotely with a wired remote control.

Compact Cassette
  • 3 Head

Features of Alpine AL-81

Calibration
Calibration
Manual Bias Calibration Manual Level Calibration
Connectors
Connectivity
RCA Input/Output Connectors Headphones Wired Remote Control
Display
Display
Digital Peak-Reading Meters Linear Tape Counter 4-Digıt Digital Counter
Electronics
Electronics
Record Protection
Cassette Exterior
Exterior
Orientation Left Black Finish Front Loading
Compact Cassette
General
Stereo
Head
Head Configuration
3 Head Desiǥn 4 Track / 2 Channel
HighCom NR
Noise Reduction
Dolby-B Noise Reduction MPX Filter Dolby-C Noise Reduction
Controls
Operation
Full Logic Transport Control Cue / Review Timer Recording/Playback Real-Time Tape Monitoring
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
Normal Tape Capabılity Chrome Tape Capabılity Metal Tape Capabılity
Transport
Transport
Auto Shutoff Direct Drive (Capsŧan) Mechanical Tape Loading Dual-Capstan Transport

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Similar to Alpine AL-81 from the period after 1962(1980)