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Sound Rating: 6 / 10 # Owners: 1
Relaibility Rating: 5 / 10 Views: 285

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Technical Details

Brand: Akai

Model:4000 DS

Category:Mid High Fidelity (most Japanese recorders fall into this category)

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: 3

Head Composition: Permalloy

Head Configuration: Stereo

# Motors:

Voltage(s): 110-120v

Frequency Response:( 3dB): 7½ ips: 30Hz to 23kHz

Wow and Flutter:less than 0.15% @ 7½ ips

Signal-to-Noise Ratio:50 dB at 7½ ips

Sound quality rating:6 / 10

Long-term reliability rating: 5 / 10

Additional Details

Description

In 1972 Akai replaced the
3-year old 4000D with the new 4000DS. It was an economy deck but with
a performance to match and even exceed professional machines of a few
years earlier. Speed change was via a slip-on capstan sleeve and a rocker-type
equalisation switch – clumsy but economical.
One of the most interesting features of this deck was the lack of pressure
pads. It was unusual to find a budget machine designed with a tape transport
system so good that pressure against the rear of the tape could be dispensed
with.  The advantage in reduced head wear was obvious and there was
no increase in drop-out, which might have been expected from this arrangement.

Additional Info

Harmonic distortion: less than 1.5% / Crosstalk: better than 50dB / Bias frequency: 100kHz / Semi-conductors: 11 transistors, 4 diodes, 4 linear Integrated circuits / Rewind speed: 150 seconds for 1,200 ft tape at 50 Hz and 120 seconds at 60 Hz / Inputs: Microphone: 0.8mV / 5k ohms Line: 60mV / 150k ohms DIN: 0.4V / 7mV / Outputs: Line: 1.23V (“0″ VU) / 100 ohms, req’d load impedance> 20k Phones: 30mV / 8 ohms / Dimensions: 12½ x 16 x 7¾ .” (314 x 406 x 194mm) / Weight: 25 lbs (11.4 kg) / quarter-track stereo

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