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Ampex 952

Ampex

USA

Ampex 952

Tape Deck Details

Number of Motors

1

Number of Heads

3

Head Configuration

Stereo

Wow & Flutter

0.2% at 7½ ips

Signal-to-Noise [dB]

50

Dimensions [mm]

Weight [kg]

Year built

Head Composition

Permalloy

Equalization

Frequency Response

50 Hz to 15kHz at 7½ ips

Speed

3¾, 7½

Max Reel [inch]

7

Tracks

1/4 Rec/PB

Price

Additional Information

The Ampex 952 is a professional-grade stereo reel-to-reel tape deck from around 1960, designed primarily for high fidelity audio recording and playback. This unit is tube-based, featuring various vacuum tubes including 12AX7, 12AU7, 12AT7, and a 6X4 rectifier tube.


  • Tube complement: 5 x 12AX7, 2 x 12AU7, 2 x 12AT7, 1 x 6X4 rectifier tube.

  • Tape speed: Typically operates at 3¾ and 7½ inches per second, common in professional reel-to-reel decks.

  • Frequency Response: Approximately ranges up to 15 kHz at 7½ ips, reflecting typical analog tape bandwidth.

  • Signal-to-Noise Ratio (SNR): Around 50 to 60 dB, depending on tape speed and settings.

  • Wow and Flutter: Very low, suitable for precise audio reproduction.

  • Inputs & Outputs: High impedance line inputs, microphone inputs, bridging input; standard audio outputs compatible with professional audio equipment.

  • Features: Separate erase, record, and playback heads; designed for reliable, high quality recording.

  • Construction: Rugged and professional chassis designed for studio use with rack mount capability.

  • Dimensions and Weight: Not explicitly found, but typical of professional Ampex decks of the era, likely heavy and solidly built.

The Ampex 952 is valued for its warm tube sound and classic mechanical build quality.

  • It was commonly used in broadcast and professional recording studios during the late 1950s and early 1960s.

  • Its tube design makes it a collector's piece and a sought-after machine for analog enthusiasts who appreciate vintage warmth and character.

  • Maintenance includes tube replacement and alignment to keep it performing at its best.

This overview positions the Ampex 952 as a highly regarded vintage tube reel-to-reel deck with studio heritage, known for its reliability and audio quality in professional use.

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