CTR-83 (140-0758) Specifications Faxback Doc. # 9898 TAPE SPEED:....................................1 7/8" (4.75 CM) per second PLAYBACK:............................................Monoaural, dual track ERASE:..............................................................Magnet RECORD:............................................................DC bias MOTOR:.........................................................6V DC Motor RADIO: AM:........................................................520-1620 kHz FM:..........................................................88-108 MHz POWER: AC 120V 60 Hz Battery, DC 6V (4 C batteries) External DC 6V jack (using optional DC adapter ANTENNAS Ferrite loopstick antenna for AM Telescopic antenna for FM SPEAKER 3 1/2" (92mm) ferrite magnet, dynamic type AM BAND UNIT NOMINAL UNIT Tuning range LOW END kHz 510 520 HIGH END kHz 1640 1640 Intermediate frequency kHz 455 Maximum sensitivity 600KHz microV/M 350 700 1000KHz microV/M 350 700 1400KHz microV/M 350 700 Usable sensitivity 600KHz microV/M 500 1000 (S/N = 20dB) 1000KHz microV/M 500 1000 1400KHz microV/M 500 1000 S/N ratio @ 5mV/M 1000KHz dB 32 28 input IF rejection 600KHz dB 45 35 Image rejection 1400KHz dB 40 34 Selectivity @ 1000KHz +10KHz dB 25 16 -10KHz dB 25 16 -6dB Bandwidth 1000KHz KHz 5 3-9 A.G.C. figure of 1000KHz dB 40 32 merit Frequency response 1000KHz Hz 80-2600 150-2000 @5mV/M input - 6dB Total harmonic 1000KHz distortion @5mV/M 30% mod. input % 3 5 100mV/M 80% mod. input % 3 8 Tweet 2 x IF % 10 15 @ 1 - 100mV/M 3 x IF % 5 15 input 10% Distortion output mW AC500 350 power @5mV/M input 1000KHz mW DC 220 180 Maximum output power 1000 KHz mW 600 450 @5mV/M input AC 150 180 Oscillation drop out voltage V DC 3.5 4 Quiescent current @ DC supply mA 10 15 Current drain at maximum output mA 120 150 @ DC supply Minimum volume output mV 3 5 Dial calibration 540KHz KHz +/-30 1600KHz KHz +/-60 FM BAND UNIT NOMINAL LIMIT Tuning Range LOW END MHz 87 87.5 HIGH END MHz 109 108.5 Intermediate frequency MHz 10.7 Maximum sensitivity 90MHz microV 3 10 98MHz microV 3 10 106MHz microV 3 10 Usable sensitivity 90MHz microV 10 20 @ S/N = 30dB 98MHz microV 10 20 -3dB Limiting 98MHz microV 10 20 sensitivity S/N ratio @ 1mV 98MHz dB 50 40 input IF rejection 90MHz dB 80 70 Image rejection 106MHz dB 30 22 Spurious response F +1/2IF dB 60 30 @ 98 MHz 2F + IF dB 40 35 Capture ratio 98MHz dB 5 10 @ 100microV input A.F.C. holding range + side KHz 250 150-350 @ 98MHz 1 mV input - side KHz 250 150-350 Alternate channel separation @ 98MHz 100microV +400KHz dB 25 15 input T.H. Distortion @ 98MHz % 3 5 1mV input Overload distortion 98MHz % 4 10 @ 100mV 75KHz dev. input Frequency response 100Hz dB -3 -6 @ 98MHz 1 mV 6KHz dB -9.55 -9.55 +/-3 400Hz = 0dB 8KHz dB -12 -12+/-3 AM supprssion @ 98MHz dB 40 30 1 mV input 10% distortion 98MHz mW AC 450 350 output power DC 220 180 Maximum output 98MHz mW 500 450 power Oscillation drop 98MHz V AC 150 180 out voltage @ 1 mV input DC 3.5 4 Minimum volume output mV 5 10 AM/FM output balance dB +/-6 @ FM 98MHz 22.5KHz dev.input AM 1000KHz 5mV/M 30% mod. input Hum modulation 98 MHz dB 40 @ 100 mV input Dial calibration 88MHz MHz +/-1 108MHz MHz +/-1 Hum modulation 98MHz dB 40 @ 100mV input TAPE SECTION UNIT NOMINAL LIMIT Tape speed @ 3KHz JIS STD % +3/-2 Wow & flutter @ 3KHz JIS STD % 0.2RMS 0.35RMS Take-up torque (CT-120M) PLAY g-cm 50 30-60 (CT-F) FF/REW g-cm 100 55-140 Back tension (CT-W) g-cm 2 1-5 torque Winding time (C-60) Sec. 110 120 Hum & noise level Min. Volume mV 5 10 BLANK Max. Volume mV 30 50 Track crosstalk (MTT-121N) dB 36 30 S/N ratio (MTT-112BN/BLANK) dB 50 40 10% distortion output mW 350 300 Maximum output power mW 500 400 Frequency response at PLAY mode (MTT-256R) 125Hz dB -2 +4/-8 1KHz dB 0 +/-3 6.3KHz dB -2 +4/-8 Radio/Cassette output balance dB +/-3 Radio : 5mV 30% mod. 1000KHz input Cassette : MTT - 118N ALC starting point (0dB = 1V) dB -65 -65+/-4 ALC slope dB 2 6 ALC recovery time Sec. 10 10+/-5 Recording sensitivity MIC dB -70 -70+/-4 T.H. distortion at PLAY mode % 3 5 Recording/Playback distortion - 10dB recording level % 6 10 ALC starting point % 8 12 ALC start + 30 dB % 8 12 Erasing ratio dB 40 34 Recording/Playback S/N ratio dB 35 30 Radio/Recording level matching dB +4/-3 FM 1000Hz 22.5KHz dev. 1mV input AM 1000Hz 30% mod. 5mV/M input (MTT-118 AS ODB REF.) Recording/Playback frequency response (MTT501 -10dB 125Hz dB -3 +4/-8 recording level) 1KHz dB 0 +/-3 6.3KHz dB -3 +4/-8 Minimum operation V AC 150 180 voltage DC 4 4.5 Note: Nominal specs. represent the design specs., all units should be able to approximate these-some will exceed and some may drop slightly below these specs. Limit specs. represent the absolute worst condition that still might be considered acceptable. No unit should perform to less than any limit specs. (LB/all-02/28/95)