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A77 Specification

 

 

 

 

Tape transport:

3 motor deck, Electronically governed capstan motor with electronic speed change

 

Wow & Flutter:

0.08% max at  7½ ips and 0.1% at 3¾ ips

 

Tape slippage:

less than 0.2%

 

Max. spool diameter:

10½"

 

Frequency response:

30Hz - 20kHz at  7½ ips (+2 / -3 dB) and 30Hz - 16kHz at 3¾ ips (+2 / -3 dB)

 

Distortion at full modulation:

2% at 7½ ips and 3% at 3¾ ips (maximum)

 

Equalization:

Record: NAB, Playback: NAB and IEC (switchable)

 

Signal-to-noise ratio:

Better than 58 dB at 7½ ips and 56 dB at 3¾ ips

 

Crosstalk:

Mono better than 60 dB, Stereo better than 45 dB

 

Oscillator frequency:

120 kHz, push-pull

 

Inputs per channel:

Mic (switchable HI/LOW), Radio (2 mV / 33 k-ohm), Auxilliary (40 mV / 1 meg-ohm)

 

Outputs per channel:

Line (max. 2.5 V / 600 ohms), Radio (max. 1.2 V / 2.5 Kohms)

 

Output power:

2 x 10 watt plug-in optional amplifier boards

 

Output impedance:

4 - 16 ohms

 

Size:

14½ x 16¼ x 7" (38.8 x 41.3 x 17.8 cm)

 

Weight:

approx. 34 lbs (15.5 kg)