TEAC A-4070G

The TEAC A-4070G is a vintage stereo 4-track reel-to-reel tape deck from the 1970s, known for its robust build, bi-directional recording/playback, and classic design.

• Track Format: 4-track, 2-channel stereo system

• Heads: 2 erase/record heads and 2 playback heads (total 4 heads)

• Motors: Three motors — 2 reel motors and 1 capstan motor

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

• Wow and Flutter: 0.06% (at 7 1/2 ips)

• Frequency Response: 30 Hz to 20 kHz (at 7 1/2 ips)

• Signal-to-Noise Ratio: Approximately 48 dB (some sources list up to 58 dB)

• Crosstalk: Around 35 dB to 60 dB depending on measurement frequency

• Input Sensitivity: 100 mV (line), 0.25–0.3 mV (mic)

• Output: Line output approx. 0.3 V, headphone output 8 Ω

• Equalization: NAB standard

• Dimensions: Approximately 45.4 cm (W) x 45.6 cm (H) x 23.6 cm (D)

• Weight: Around 23 kg

• Power Supply: 100 VAC, 50/60 Hz (Japan market)

• Power Consumption: About 140 W

Notable Features

• Bi-directional Recording and Playback: The deck can record and play in both directions with auto-reverse functionality.

• Auto Reverse and Continuous Play: Supports automatic repeat and continuous playback without manual tape flipping.

• Head Technology: Uses HD ferrite heads with excellent wear resistance and electromagnetic conversion characteristics, arranged in a 6-head, 4-unit configuration (combined erase/record heads and separate playback heads).

• Capstan System: Center capstan design for symmetrical tape path and reduced wow/flutter.

• Tape Path: Shortened tape path improves tape handling and sound quality.

• Pause and Fade Control: The pause lever is linked to the recording master volume for fade-in/out during recording.

• Build Quality: Cast aluminum chassis with metal reel locks (no rubber reel retainers), feather-touch controls, and a walnut wood case for vintage aesthetic appeal.

• Remote Control: Optional remote control available for start/stop functions.