Category:Mid High Fidelity (most Japanese recorders fall into this category)
Country of Manufacture:Japan
Release dates:1973 - 1978
Original Price: $1000
Speeds: 3 3/4, 7 1/2
Max Reel Size("): 7"
Number of heads: 1 (PB)
Head Composition: Permalloy
Head Configuration: Stereo
Frequency Response:( 3dB): 7½ ips: 30Hz - 28kHz 3¾ ips 30Hz - 20kHz
Wow and Flutter:0.04% at 15 ips, 0.06% at 7½ ips and 0.09% at 3¾ ips
Sound quality rating:5 / 10
Long-term reliability rating: 5 / 10
Both these recorders featured a heavy duty transport mechanism with three motors, solenoid operation, four high density ferrite heads (erase, record, playback and reverse playback). dual system automatic reverse (phase sensing signal or foil operated). 10½ inch reel capacity and a reel size selector to optimise tape tension. The AR-70GSL all-IC & silicon transistor preamp provided independent circuits for record, monitor, VU meter amplifier and playback functions.
Electrical assembly provided two level bias selection for conventional and low noise/high output tapes, dual scale VU meter, meter level switch for optimum recording accuracy with any type of recording tape and full MIC/LINE mixing capability with individual mic/line amplifiers and level
The A 7010GSL model had operating speeds of 7½ and 3¾ ips and was a quarter-track stereo deck with four heads (erase, record and two playback for bi-directional playback functionality).
Stereo separation: 50dB at 1,000Hz / Crosstalk: 45dB at 1,000Hz / Semi-conductors: 20 transistors, 6 IC’s and 6 diodes / Rewind speed: 200 seconds for 3,600ft 10½ ” NAB reel / Inputs: line: 0.1V (50K or more microphone: 0.25mV (600 ohms) / Outputs: line: 0.3V 10K or more, headphones: 8 ohms / Dimensions: 20¼ x 17½ x 8″ (514 x 446 x 203mm) / Weight: 61.6 lbs (28kg) / quarter-track (A 7010GSL) and half-track stereo (A 7030GSL)