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Sound Rating: 6 / 10 # Owners: 1
Relaibility Rating: 7 / 10 Views: 396

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Technical Details

Brand: Tandberg

Model:4000X

Category:Mid High Fidelity

Application:Consumer

Electronic:Solid State

Country of Manufacture:Norway

Release dates:1971 - 1975

Original Price: $180

Tracks:1/4 Rec/PB

Speeds: 1 7/8, 3 3/4, 7 1/2

Max Reel Size("): 7"

Number of heads: 4

Dimension: 15½ x 12½ x 6½ " (394 x 318 x 165mm) 

Head Composition: Permalloy

Head Configuration: Stereo

# Motors: 1

Auto Reverse?:No

Voltage(s): 110-120v

Frequency Response:7½ ips: 40Hz - 22kHz 3¾ ips: 40Hz - 18kHz 1 ips: 40Hz - 10kHz

Wow and Flutter:7½ ips: 0.07% 3¾ ips: 0.14%. 1 7/8 ips: 0.28%

Signal-to-Noise Ratio:1/4 Tr. 60 dB, 1/2 Tr. 62 dB

Sound quality rating:6 / 10

Long-term reliability rating: 7 / 10

Weight: 23 lbs (10.6kg)

Additional Details

Description

Identical to the 6000X but with an inbuilt 10 watt RMS per channel stereo amplifier and
twin internal 4″ x 7″ speakers, the 4000X was a three-speed, single motor recorder with four heads (erase, record, playback and crossfield bias) and a seven inch reel capacity.
Continuously variable dual-concentric bass and treble knobs were provided (for playback only).
Features included line/mic mixing, sound on sound, echo, illuminated four-digit revolution counter and automatic end-stop.

Additional Info

Year 1971
Price when new (in the UK) £180 (including purchase tax)
Track system Quarter-track or half-track stereo versions available
Heads Four: erase, record, playback and crossfield bias
Motors Single hysteresis synchronous
Maximum reel size 7″
Tape speeds 7½ , 3¾ , and 1 ips
Frequency response (DIN 45511) 7½ ips: 40Hz – 22kHz; 3¾ ips: 40Hz – 18kHz ;1 ips: 40Hz – 10kHz
Wow & flutter (measured W.R.M.S.) 7½ ips: 0.07%;, 3¾ ips: 0.14%; 1 ips: 0.28%
Speed tolerance 1%
Signal to noise ratio Quarter-track: 60 dB, half-track: 62 dB
Crosstalk mono > 60dB; stereo > 50dB (at 1,000Hz)
Bias frequency 85.5kHz. Distortion less than 0.5%
Rewind speed 1200ft – 1 min 45 sec; 1800ft – 2 min 10 sec
Audio output power 2 x 10 watts R.M.S.
Inputs
mic: (balanced) impedance 200 – 700 ohm sens. 70uV max 70mV
line: impedance 100K sensitivity 5mV max 15V
phono: magnetic- 33 kohms, 1mV @ 1000Hz
Outputs
emitter follower: 200ohms 1.5V
line: 5K 160mV
radio: 5K 0.75V
stereo headphone socket: min impedance 200ohms 1.5V
Speaker(s) Two internal 4″ x 7″ speakers
Dimensions 15½ x 12½ x 6½ ” (394 x 318 x 165mm)
Weight 23 lbs (10.6kg)

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