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Sound Rating: 9 / 10 # Owners: 1
Relaibility Rating: 9 / 10 Views: 507

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Technical Details

Brand: Ampex

Model:ATR-100

Application:Studio

Electronic:Solid State

Country of Manufacture:USA

Release dates:1976 - 1980

Original Price: $6750

Tracks:1/2 Rec/PB

Speeds: 3 3/4

Max Reel Size("): 10.5"

Number of heads: 4

Head Composition: Permalloy

Head Configuration: Stereo

Voltage(s): 110-120v

Outputs: XLR Balanced, RCA

Frequency Response:(± 2dB): 30 ips: 35Hz to 28kHz 15 ips: 20Hz to 22kHz 7½ ips: 30-15kHz 3¾ ips: 30-10kHz

Wow and Flutter:Wow and flutter (NAB): 30 ips: 0.03% 15 ips: 0.04% 7½ ips: 0.06% 3¾ ips: 0.1%

Sound quality rating:9 / 10

Long-term reliability rating: 9/ 10

Additional Details

Description

The ATR-100 was introduced at the Audio Engineers Society in Los Angeles in the spring of 1976 and has since gained a virtually unchallenged reputation in the recording industry and amongst engineers as the most accurate tape recorder ever to be produced.
It was geared towards the ultra-high end studio market and was designed specifically as a stereo or quadraphonic (2 or 4 track) mix-down and mastering deck.
One of the key design features was the interchangeability of the head-block system, which allowed the ATR-100 to be quickly converted to run either quarter-inch or half-inch tape in full, half or quarter-track configurations.
Ampex was the first company to implement a servo-controlled, direct-drive-capstan tape transport, which allowed the tape speed and tension to be continuously monitored by a servo relay. The ATR-100 consequently had excellent wow and flutter specifications.

Additional Info

Start time (in ms) to reach flutter specs: 30 ips: 500 15 ips: 250 7½ ips: 200 3¾ ips: 100 / Stop time: 5 seconds from fast wind, 2 seconds from spooling mode, 0.7 seconds from play mode (30 ips / Rewind time: 60 seconds for 2400ft (730m) / Crosstalk: less than 45 dB 100Hz to 15kHz at 15 ips, 2-channel / System distortion: including record amplifier, reproduce amplifier and I / O system, at any operating level up to 20dB above operating level at mid-freq is less than 0.03% total harmonic distortion and less than 0.05% SMPTE intermodulation distortion / Overall record / reproduce distortion: third harmonic distortion at 1kHz less than 0.3%. SMPTE intermodulation distortion less than 1% at recorded flux level of 370 nWb / m (0 vu) / Inputs (balanced floating): 50k ohms, min -5 dBm to produce 1000nWb / m, max +40 dBm / Outputs (balanced floating): less than 50 ohms impedance, maximum level with 600 ohm load +28 dBm, with 200 ohm load +25 dBm / Erase frequency: 144 kHz / Bias frequency: 432 kHz / Dimensions: Basic machine (including transport, power supply and electronics) 19 x 12 x 16 inches (483 x 305 x 405mm) Cabinet (1 or 2 channel) 21 x 19 x 32 inches (533 x 483 x 813 mm) Cabinet (4 channel) 21 x 23 x 34 inches (533 x 584 x 863 mm) Input / Output system (1 or 2 channel) 19 x 3.5 x 10 inches (483 x 89 x 254 mm) Complete system incl. basic machine, 4-channel cabinet, I / O system & roll-around pedestal26 x 46.5 x 31 inches (660 x 1180 x 813 mm) / Weight: basic machine 123 lbs (56kg) cabinet 15.4 lbs (7kg) I / O system 15.4 lbs (7kg) pedestal 50.6 lbs (23k) / interchangeable head blocks for full, half or quarter-track (on ½ or ¼ .-inch tape

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