Teac A-3440

Maintenance repair

Japan 1979

4 tracks synchronized
3 heads
3 Engines
Continuous capstan motor with tachometer control
Maximum reel diameter 10.5 ″
Speed ​​19 - 38 cm / s
Low mic input sensitivity 0.24 mV 10 kOhms
High mic input sensitivity 0.77mV 10 kOhms
Low line input sensitivity 62 mV 50 kOhms
High Line input sensitivity 195 mV 50 kOhms
Headphone output 87 mV 4 Ohms
Line output 308 - 615 mV 10 kOhms
Oscillator frequency 100 kHz
Fine speed adjustment ± 5%
Speed ​​accuracy ± 0.5%
Wow e flutter 0,04% a 38 cm/s
Wow e flutter 0,06% a 19 cm/s
Frequency Response 25Hz - 24kHz (± 3dB / 0VU 40Hz - 22kHz) at 38cm / s
Frequency Response 25Hz - 22kHz (± 3dB / -10VU 40Hz - 20kHz) at 19cm / s
55 dB signal to noise ratio
Distortion 0.8%
45 dB stereo separation
Clearance 65 dB at 19 cm / s