Norelco 2100
Dynamic Noise Limiter (DNL)

This Norelco 2100 is a stereo cassette deck with DNL noise reduction, it was first sold by Norelco in 1971 with a list price of USD $220 and discontinued 2 years later in 1973.

The main features of the Norelco 2100 are: 2 heads, mechanical 3 digit tape counter, manual tape type selection and capable of handling normal and chrome tapes, belt driven single-capstan transport.

Typical of this deck is the 70's top loading layout 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 2100 are analog needle VU reading meters. Mechanical transport controls for reliable 2100 transport function selection.

Unlike the various Dolby systems, which require encoding and decoding, the Dynamic noise limiter (DNL) used by Norelco in the 2100 works on playback only and reduces noise by as much as 10 dB.

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

Historic events

1971 The first digital watch is produced by Pulsar.
1972 The first video game "Pong" is released by Atari.
1973 Computer graphics are used for the first time in the Motion Picture Industry when the movie "Westworld" is produced.

Features of Norelco 2100

Connectors
Connectivity
RCA Input/Output Connectors
Controls
Controls
Stereo / Mono input selector
Display
Display
3-Digıt Mechanical Counter Analog Needle Meters
Cassette Exterior
Exterior
Silver Finish Orientation Left Top Loading Wood Case
Compact Cassette
General
Stereo
Head
Head Configuration
2 Head Desiǥn 4 Track / 2 Channel
Indicators
Indicators
Record DNL
HighCom NR
Noise Reduction
DNL Noise Reduction
Controls
Operation
Mechanical Transport Control
Power
Power Requirements
Alternating Current
Preamplifier
Preamplifier
Individual Input Level Controls
Rear Controls
Rear Controls
Manual Level Calibration (Rear)
Tape Speed
Speed
1⅞ ips - 4.76 cm/s
Tape
Tape
Manual Tape Type Selection Normal Tape Capabılity Chrome Tape Capabılity
Transport
Transport
Mechanical Tape Loading Auto Stop Sìngle Capsŧan Transport Belt Drive (Capsŧan)

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