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Sound Rating: 6 / 10 # Owners: 1
Relaibility Rating: 7 / 10 Views: 262

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Technical Details

Brand: Dokorder

Model:8020

Category:Mid High Fidelity

Application:Consumer

Electronic:Solid State

Country of Manufacture:Japan

Release dates:1975 - 1979

Tracks:1/4 Rec/PB+1/2PB

Speeds: 3 3/4, 7 1/2

Max Reel Size("): 7"

Number of heads:

Head Composition: Permalloy

Head Configuration: Stereo

# Motors:

Voltage(s): 110-120v

Frequency Response:(± 3dB): 20 - 20kHz at 7½ ips, 40 - 12kHz at 3¾ ips

Wow and Flutter:less than 0.12% at 7½ ips, less than 0.35% at 3¾ ips

Signal-to-Noise Ratio:better than 50dB

Sound quality rating:6 / 10

Long-term reliability rating: 7 / 10

Additional Details

Description

These unusual machines were quite unique and featured Dokorder’s exclusive ‘Dub-A-Tape’ system. Both were 4-track 2-speed recorders, the 8010 (pictured) being a full recorder with built-in amplifiers and speakers and the 8020 being a deck only.
The recorder(s) had a total of five heads: a pair of recording/playback heads and a pair of erase heads, plus a special playback head designed especially for dubbing.
A single-drive dubbing system was used when dubbing so as to ensure simultaneous tape speed on both source and copy tapes, hence the elimination of any speed variations.
Four motors were employed: a reversing synchronous type for the capstan drive, two heavy-duty capacitor types for reel drive, and a special transport motor for dubbing which synchronised with the other motors.
Automatic reverse as well as continuous reverse was selectable.
Two separate treble controls were provided.
Price when new approx. $200.

Additional Info

Crosstalk: 55dB / Bias frequency: 70kHz (approximately) / Inputs: line (100mV) 200 Kohms, microphone (1mV) 10 Kohms, DIN connector / Outputs: line (0dB) .775V, headphones, DIN / Fast rewind time: less than 45 seconds (1,200ft tape, 60Hz) / Semiconductors: 14 transistors, 7 diodes / Dimensions: 14½ x 7½ x 21¼ inches (368 x 191 x 540mm) / Weight: 45 lbs (20.45kg) / quarter-track stereo

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