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Sound Rating: 8 / 10 # Owners: 1
Relaibility Rating: 5 / 10 Views: 313

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Technical Details

Brand: Tandberg

Model:9100X

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

Application:Consumer

Electronic:Solid State

Country of Manufacture:Norway

Release dates:1974 - 1978

Tracks:1/4 Rec/PB

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

Max Reel Size("): 7"

Number of heads: 4

Dimension: 15¾ x 16¼ x 7¼ inches (400 x 410 x 180mm)

Head Composition: Permalloy

Head Configuration: Stereo

# Motors: 3

Voltage(s): 110-120v, 220-240v

Frequency Response:(±2dB): 7½ ips: 40 - 22kHz 3¾ ips: 50 - 16kHz 1 ips: 50 - 9kHz

Wow and Flutter:7½ ips: 0.07% RMS 3¾ ips: 0.14% RMS 1 ips: 0.28% RMS

Signal-to-Noise Ratio:(DIN 45511): unweighted: half-track 9021X - 56dB, quarter-track 9141X - 56dB weighted: half-track 9021X - 62dB, quarter-track 9141X - 60dB

Sound quality rating:8 / 10

Long-term reliability rating: 5 / 10

Weight: Weight: 34 lb (15.5kg)

Additional Details

Description

In most other respects, the 9100X was similar to the 9000X. It was a a stereo tape deck available in either half-track (9121X) or quarter-track (9141X) versions with three speeds, three motors, a seven-inch reel capacity, four heads (erase, record, playback and crossfield bias) and a frequency response of 30 – 22 000 Hz at 7½ ips. The 9100X was a logical development from the 9000X, the changes were as follows:

An extra set of input faders allowing stereo mic/line input mixing
Front panel sound-on-sound facility
Re-designed input amplifiers
Balanced microphone inputs
New pushbutton EDIT/CUE switch next to the speed switch allowing audible cuing while in STOP mode
Twin “T” filter oscillator
Lower amplifier distortion
Motherboard with 7 plug-in boards to accommodate the additional electronics

Prices when new (UK) in 1974:
9121X (half-track) and 9141X (quarter0track) both £292.59
Optional dust cover:
£5.28
Optional carrying case £14.17
Remote control unit: £35.55

Additional Info

Half-track stereo (9121X) and quarter-track stereo (9141X)

Speed tolerance: 1% / Distortion: from tape at 0 dB, 400 Hz: 2% / Inputs: microphone: 200 – 700 ohms, 150µV – 23mV radio: 50 Kohm, 8mV – 5V line: 330 Kohms, 30mV – 5V / Outputs: radio: 5 Kohms / 0.75 V line: 200 ohms / 15V headphones: 8 ohm / 3 mW / Crosstalk at 1000Hz: mono: >60 dB, stereo: >50 dB / Fast wind time: 1200 ft reel – 55 seconds. 1800ft reel – 75 seconds / Motors: synchronous hysteresis capstan motor, two separate reel motors

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