Akai GXC-709D

Repair Maintenance

Japan 1978

4 tracks 2 stereo channel
2 heads
Velocìtà 4,75 cm/s
Wow e flutter 0,06% wrms
Frequency Response: ± 3 35Hz - 14kHz LN
Frequency Response: ± 3 35Hz - 14kHz LH
Frequency Response: ± 3 35Hz - 15kHz CrO2
Frequency Response: ± 3 35Hz - 16kHz Fe-Cr
Harmonic distortion 1.5% LN
Harmonic distortion 1.5% LH
Harmonic distortion 2.0% CrO2
Harmonic distortion 2.0% Fe-Cr
Signal to noise ratio no Dolby 50 dB LN
Signal to noise ratio no Dolby 50 dB LH
Signal to noise ratio no Dolby 51 dB CrO2
Signal to noise ratio no Dolby 51 dB Fe-Cr
Con Dolby NR +10 dB
70 dB cancellation
Bias frequency 85 kHz
Rewind time from 100 sec for C60
Line output level 410 mV 20 kOhms
Headphone output level 100mV 8 Ohms
Din 410 mV 20 kOhms output level
Mic input sensitivity 0.3 mV 2.2 kOhms
Line input sensitivity 70 mV 150 kOhms
Din input sensitivity 0.3 mV