
TEAC 40-4
TEAC
Japan

Tape Deck Details
Number of Motors
3
Number of Heads
3
Head Configuration
Stereo
Wow & Flutter
0.05% RMS at 15
Signal-to-Noise [dB]
69
Dimensions [mm]
423 x 505 x 316
Weight [kg]
Year built
Head Composition
Permalloy
Equalization
NAB
Frequency Response
40 Hz – 20 kHz ±3 dB at 15ips
Speed
7½, 15
Max Reel [inch]
10.5
Tracks
1/4 Rec/PB
Price
Additional Information
The TEAC 40-4 is a professional-grade 4-track, 4-channel reel-to-reel tape recorder designed primarily for studio multitrack recording. It is part of TEAC’s Tascam series, known for reliable performance and high audio fidelity.
Track System: 4-track, 4-channel stereo/multichannel
Tape Width: 1/4 inch (6.35 mm)
Tape Speeds: 7½ ips (19 cm/s) and 15 ips (38 cm/s)
Heads: 3 heads — 1 erase, 2 record/playback heads
Motors: 3 motors — 1 direct-drive capstan motor (PLL controlled), 2 slotless DC reel motors
Wow and Flutter: 0.05% RMS at 15 ips, 0.06% RMS at 7½ ips (DIN weighted)
Frequency Response:
At 15 ips: 40 Hz – 20 kHz ±3 dB
At 7½ ips: 40 Hz – 16 kHz ±3 dBSignal-to-Noise Ratio: 69 dB weighted at 15 ips, 67 dB weighted at 7½ ips
Total Harmonic Distortion: <0.8% at 1 kHz, 250 nWb/m
Crosstalk: Better than 50 dB between adjacent channels
Input/Output: Balanced (XLR) and unbalanced (RCA) connectors
Input Level: Balanced +4 dBm (1.23 V), Unbalanced -10 dBV (0.3 V)
Output Level: Balanced +4 dBm (1.23 V), Unbalanced -10 dBV (0.3 V)
Bias Frequency: 150 kHz
Dimensions (WxHxD): Approximately 423 x 505 x 316 mm
Power Supply: AC mains, 100–240 V (depending on region)
PLL-controlled direct-drive capstan motor ensures precise tape speed stability
Balanced and unbalanced I/O for professional studio integration
High-quality permalloy heads for excellent frequency response and low distortion
Manual and automatic tape cue functions
Pitch control ±12% for fine speed adjustments
Designed for professional multitrack recording and overdubbing