2-speed hysteresis synchronous motor
Capacitor start
Reel size:
Up to 7” reel
Tape speeds:
1 7⁄8 ips
3 3⁄4 ips
7 1⁄2 ips
Tape speed deviation:
Less than ±3% per cent at all tape speeds
Wow and flutter:
Less than 0.35% R.M.S. (1 7⁄8 ips)
Less than 0.25% R.M.S. (3 3⁄4 ips)
Less than 0.15% R.M.S. (7 1⁄2 ips)
Fast Forward & Rewind Time:
90 sec. for 1 200 ft. tape at 50Hz
75 sec. for 1 200 ft. tape at 60Hz
Frequency response:
40Hz to 23kHz, ±3dB (7 1⁄2 ips)
40Hz to 20kHz, ±3dB (3 3⁄4 ips)
40Hz to 10kHz, ±4dB (1 7⁄8 ips)
Distortion:
Within 3% per cent T.H.D. at all speeds
Signal to Noise Ratio:
40dB below recorded level signal at all speeds
Cross Talk:
Within 53dB between each track
Channel Separation:
Better than 60dB at 1kHz, 3 VU
Power Input Level:
-55dB (VR, max) at 1kHz (Mic)
-15dB ((VR, max) at 1kHz (Phono)
-15dB ((VR, max) at 1kHz (Radio)
Output:
Head output - 1mV at 1kHz
Pre-Amplifier output - 0.8V at 1kHz (Impedance 10kΩ)
Main output - 34 dBm up (In 600Ω)
Speakers:
5 x 7" oval, 8Ω, 80Hz to 12kHz, ±10dB
Power Output:
2 x 3W
Metering:
2 large VU meters
Valve complement:
2 x 6267 (EF86), 2 x 12AD7, 2 x 6BQ5, 2 x 6X4, 1 x 6AR5
Power Requirements:
AC 100 / 110 / 117 / 200 / 220 / 230 or 245V interchangeable, 50-60Hz
Power Consumption:
100W
Dimensions (W x H x D):
340 x 510 x 226mm
Weight:
21.5kg
Year:
1962
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