TEAC A-2340

The TEAC A-2340 is a solid-state, 4-track, 4-channel reel-to-reel tape deck designed for semi-professional and consumer use, popular in the 1970s and early 1980s. It offers stereo and quadraphonic recording/playback capabilities with reliable performance and user-friendly features.

• Track System: 4-track, 4-channel (stereo/quadraphonic/monaural)

• Heads: 3 heads — 1 erase, 1 record, 1 playback

• Motors: 3 motors — 1 capstan motor, 2 reel motors

• Tape Speeds: 3 3/4 ips and 7 1/2 ips (inches per second)

• Reel Size: Supports reels up to 7 inches (NAB hub)

• Wow and Flutter: Approximately 0.07% at 7 1/2 ips

• Frequency Response: 40 Hz to 24 kHz at 7 1/2 ips

• Signal-to-Noise Ratio: Around 48–55 dB

• Crosstalk: Approximately 35 dB

• Total Harmonic Distortion: About 1.5% (varies by model)

• Inputs: Line input around 97–100 mV, microphone input approximately 0.25–0.3 mV

• Outputs: Line output approx. 0.3 V

• Dimensions: Roughly 44–52 cm (W) x 17–22 cm (H) x 44–48 cm (D) depending on model variant

• Weight: Approximately 20–21 kg

• Electronics: Solid state with around 24 transistors and 8 diodes

• Equalization: NAB standard

• Additional Features:
  Auto or manual reverse play (on some variants like A-2340R)
  Simul-Sync for overdubbing (on later variants like A-2340SX)
  Cue lever function (on A-2340SX)
  4-digit push-button reset tape counter
  Tension arm and guide post for stable tape tension and smooth tape movement

The TEAC A-2340 series was a popular choice for semi-professional recording and quadraphonic sound enthusiasts. Its 4-track, 4-channel design supports stereo and quadraphonic recording and playback, with reliable tape transport and stable speed control. The deck’s three-head design allows simultaneous recording and playback monitoring.

Variants such as the A-2340R add auto-reverse functionality, while the A-2340SX includes improvements like built-in Simul-Sync for easier overdubbing and a cue lever for precise tape positioning.