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Sound Rating: 6 / 10 # Owners: 1
Relaibility Rating: 7 / 10 Views: 353

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Technical Details

Brand: Dokorder

Model:7100

Category:Mid High Fidelity

Application:Consumer

Electronic:Solid State

Country of Manufacture:Japan

Release dates:1974 - 1978

Original Price: $400

Tracks:1/4 Rec/PB

Speeds: 3 3/4, 7 1/2

Max Reel Size("): 7"

Number of heads: 3

Head Composition: Permalloy

Head Configuration: Stereo

# Motors: 4

Auto Reverse?:No

Voltage(s): 110-120v

Outputs: RCA

Frequency Response:( 3dB): 40Hz - 21kHz at 7½ ips, 40Hz - 12kHz at 3¾ ips

Wow and Flutter: 0.08% at 7½ ips. max 0.12% at 3¾ ips

Signal-to-Noise Ratio:55dB at 7½ ips

Sound quality rating:6 / 10

Long-term reliability rating: 7/ 10

Additional Details

Description

A three-head, quarter-track stereo tape deck with three motors (one 2-speed 4-pole/8-pole hysteresis synchronous capstan drive and two 6-pole induction reel motors). Reels up to 7″ could be accommodated and transport operation was via electronic solenoid push-button controls.
Features included automatic tape lifters. automatic shut-off. echo and sound-on-sound. tape selector switch for different types of tape and tape/source monitor switch. This was a moderatel-priced machine, retailing at $399.95.

Additional Info

Year 1974
Price when new (in the USA) $400
Track system Quarter-track stereo
Heads Three: erase, record playback
Motors hysteresis synchronous 2-speed capstan drive two 6-pole induction reel motors
Maximum reel size 7″
Tape speeds 3¾ and 7½ ips
Frequency response ( 3dB) 40Hz – 21kHz at 7½ ips, 40Hz – 12kHz at 3¾ ips
Wow & flutter 0.08% at 7½ ips; max 0.12% at 3¾ ips
Signal to noise ratio 55dB at 7½ ips
Crosstalk 55dB at 7½ ips
Bias frequency 130kHz
Rewind speed 95 seconds for 1800ft at 60 Hz
Inputs
Microphone: sensitivity 0.8mV impedance 10 Kohms
Line: sensitivity 80mV impedance 220 Kohms
DIN: sensitivity 0.5mV impedance 3.3 Kohms
Outputs
Line: output level 0 dB (0.775mV) impedance 10 Kohms
Headphones: output level 5mV impedance 8 ohms
DIN: output level 0 dB impedance 10 Kohms

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