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Sound Rating: 6 / 10 # Owners: 1
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Technical Details

Brand: Tandberg

Model:9100X

Category:Mid High Fidelity

Application:Consumer

Electronic:Solid State

Country of Manufacture:Norway

Release dates:1974 - 1976

Original Price: $293

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

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

Auto Reverse?:No

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:6 / 10

Long-term reliability rating: 7 / 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

Year 1974 – 1976
Price when new (in the UK) £292.59
Heads (4) Erase, record, play & crossfield bias
Tape speeds 7½ , 3¾ and 1 ips
Frequency response (±2dB) 7½ ips: 40 – 22kHz ; 3¾ ips: 50 – 16kHz; 1 ips: 50 – 9kHz
Wow & flutter 7½ ips: 0.07% RMS; 3¾ ips: 0.14% RMS; 1 ips: 0.28% RMS
Speed tolerance 1%
Maximum reel size 7″
Signal to noise ratio (DIN 45511)
Unweighted: half-track 9021X – 56dB, quarter-track 9141X – 56dB
Weighted: half-track 9021X – 62dB, quarter-track 9141X – 60dB
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
Dimensions 15¾ x 16¼ x 7¼ inches (400 x 410 x 180mm) upright
Weight 34 lb (15.5kg)

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