RMG International B.V. Professional Audio LPR 35 (mod.34520)
Matsushita Electric Industrial , Ltd. (MEI), Panasonic, National, Technics Quasar, , .
    



Technics RS-1700
   


: 1977


Track System: Auto-revers 4-track 2-channel recording/playback( 6- head system)
Motor:
Capstan: Quartz control phase-locked DC brushless servo direct-drive motor
Reel Tables: 2-tape tension controlled DC brushless direct-drive motor
Reel Size: 13 cm to 26.5 cm (5” to 10-1/2) outside diameter
Tape Tension Control: Automatic control for above size of reel
Tape Speed: 38 cm/s, 19 cm/s and 9.5 cm/s (15 ips, 7-1/2 ips and 3-3/4 ips)
Speed Deviation: ±0.1% at38 cm/s ( with 1.0 or 1.5 mil thickness tape at 15 ips)
Speed Fluctuation: 0.05% at 38 cm/s (with 1.0 or 1.5 mil thickness tape at15 ips)
Pitch Control: 6% (recording and playback)
Wow and Flutter: (recording and playback)
38 cm/s (15 ips); 0.018% (WRMS), 0.035% (DIN)
19 cm/s (7-1/2 ips); 0.03% (WRMS), 0.06% (DIN)
9.5 cm/s (3-3/4 ips); 0.06% (WRMS), 0.12% (DIN)
Time Counter
Accuracy: 1% at 38 cm/s (15 ips)
Fast Winding Time: 150 sec. for 762 m (2500 feet) tape
Revers point detection: Photoelectric (infrared LED/filter/photo-transistor)

Frequency Response:
38 cm/s (15 ips); 30-30,000 Hz 3 dB
(rec. level = —10 dB from 0 VU)
19 cm/s (7-1/2 ips); 20-25,000 Hz 3 dB
(rec. level = 20 dB from 0 VU)
9.5 cm/s (3-3/4 ips); 20-15,000 Hz 3 dB
(rec. level = 20 dB from 0 VU)
Signal-to-Noise Ratio: NAB weighted (185 nWb/m +6 dB)
38 cm/s (15 ips); 60 dB
19 cm/s (7-1/2 ips); 60 dB
9.5 cm/s (3-3/4 ips); 58 dB
Distortion (THD): measured via tape at 400 Hz (at any speed)
Peak level
(185 nW/m +6 dB);
less than 2%
Operating level
(0 VU);
less than 0.8%
Channel Separation:
better than 50 dB
Erasing Ratio:
better than 65 dB (rec. level =
+ 10 dB at 1 kHz)

Recording Bias: 120 kHz
Bias level; Tape Selector at "1 90%
at "2 100%
at 3" 110%
Equalization: NAB standard
position "2" of "EQ" and "BIAS" selectors set for Technics RT-10B218 (Scotch No. 207) tape
Recording Level
Calibration:
referenced to 185 nWb/m
Inputs:
MIC;
Unbalanced phone type jack Sensitivity 0.25 mV ( -72 dB)/4.7 kilohms (at 0 VU, Mic level control max. position)
2.5 mV (-52 dB)/4.7 kilohms with
20 dB mic. attenuator switch on Overload margin 55 dB (75 dB with 20 dB mic. att.)
Applicable microphone impedance 200 ohms-10 kilohms
LINE Phono type jack
Sensitivity 60 mV (-24 dB)/150 kilohms
Overload margin =infinity
(line input connected to LINE IN level control before passing through the amplifier)
THROUGH OUT; same as LINE IN (connected in parallel to LINE IN)
Outputs:
LINE;
2 pairs of phono type jack
Output level 0.55 V at 0 VU (output level control at "8")
0.775 V or more at output level control max.
Output impedance less than 3 kilohms
Load impedance 22 kilohms over
HEADPHONE; Stereo phone type jack
Output level 80 mV at 0.55 V line output
Load impedance 8 ohms
Power Requirements:AC110/125/ 220/240 V, 50/60 Hz or
DC 24 V, 4.5 A (with optional battery adaptor)
Power Consumption:160 W
Weight:
25.2 kg (55 lbs)
Dimensions
(W x H x D):
49.2 cm X44.6 cm X25.7 cm

Specifications based on use of Technics RT-10B218 (Scotch No. 207) tape.


Specifications are subject to change without notice


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