Aiwa AD-7800
Dolby B NR 3 Head

This Aiwa AD-7800 is a stereo cassette deck with Dolby B noise reduction, it was first sold by Aiwa in 1976 and discontinued a year later.

The main features of the Aiwa AD-7800 are: 3 heads and off-tape monitoring, mechanical 3 digit tape counter and memory stop, manual tape type selection and capable of handling normal, chrome and ferro-chrome tapes with additional manual equalization selection.

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 diagonally in the cassette well.

Level meters used on the AD-7800 are analog needle VU reading meters with peak hold for easy adjustment of optimum recording level and peak indicator for easy adjustment of optimum recording level. Mechanical transport controls for reliable AD-7800 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, to optimum levels can be performed prior to recording.

The Dolby-B system reduces tape hiss on tapes recorded on the AD-7800 by as much as 10 dB at the highest frequencies. 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-7800 filters out the pilot signal, and assuring proper Dolby processing of FM stereo programs.

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
  • 3 Head
  • Flat Response Tuning
  • Japanese Market
  • Cassette Auto Loading

Historic events

1976 Texas Instruments introduces "Little Professor" the first electronic educational toy
1977 The Commodore PET home computer is released.

Features of Aiwa AD-7800

Calibration
Calibration
400Hz Test Tone Manual Bias Calibration Bias Fine Tune
Connectors
Connectivity
2 Mono Microphone Inputs RCA Input/Output Connectors DIN Input/Output Connector Headphones Front Input Connector
Display
Display
3-Digıt Mechanical Counter Peak Hold Meters Peak / VU Switchable Analog Needle Meters
Electronics
Electronics
Peak Limiter
Cassette Exterior
Exterior
Silver Finish Orientation Left Front Loading
Compact Cassette
General
Stereo
Head
Head Configuration
3 Head Desiǥn 4 Track / 2 Channel
Indicators
Indicators
Record Peak Indicator Tape Run Indicator Illuminated Cassette Compartment
HighCom NR
Noise Reduction
Dolby-B Noise Reduction MPX Filter
Controls
Operation
Cue / Review Memory Repeat Line / Mic Input Select Record Mute Memory Stop Mechanical Transport Control Real-Time Tape Monitoring Timer Recording
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 Capabılity Normal Tape Capabılity Manual Tape Equalization Chrome Tape Capabılity
Transport
Transport
Auto Shutoff Mechanical Tape Loading Diagonal Front Tape Loading Belt Drive (Capsŧan)

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