Ampex 860

The Ampex 860 is part of the Ampex 800 Series stereo reel-to-reel tape decks, introduced around 1966. It is a solid-state machine designed for stereo and monaural recording and playback, featuring a 4-track, 2-channel configuration.

• Track system: 4-track, 2-channel (stereo/monaural) system.

• Tape speeds: 7½, 3¾, and 1⅞ inches per second (ips).

• Wow and flutter: 0.15% at 7½ ips.

• Frequency response: 50 Hz to 15 kHz at 7½ ips.

• Signal-to-noise ratio (SNR): 46 dB.

• Total harmonic distortion (THD): 2%.

• Inputs: 200 mV (line), 1 mV (mic).

• Outputs: 1 V (line).

• Output power for monitoring: 6 watts.

• Dimensions: 483 x 343 x 190 mm.

• Weight: 17.8 kg.

• Finish: Walnut case.

• Year of manufacture: Circa 1966.

This model in the 800 series was valued for neat, solid construction and compact size, with good build quality typical of Ampex.

• The unit was praised for delivering very good recording sound quality.

• Operational controls were somewhat unique but straightforward after learning.

• Unrestored units may need cleaning, lubrication, and new belts for optimal performance, while the electronics generally remain reliable.

• It was marketed as a consumer-level device by Ampex's professional division, blending professional features with consumer usability.

The Ampex 800 series includes the 840, 850, 860, 861 (with optional slide-on speakers), 863, 865, 868, and 890 models.

• Some units within the series feature built-in power amplifiers and bass boost options.

• Its characteristic build and sound quality have kept the Ampex 860 notable among vintage reel-to-reel enthusiasts.​​

This overview positions the Ampex 860 as a well-constructed, historically respected reel-to-reel deck with a reliable solid-state design, developed primarily in the mid-1960s, offering good fidelity for its class and era.