Technics RS-1800 specifications

General

connectors

Tech nical data

special features

century series:

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manufacturer: Tech nics
model: RS-1800
year of construction: 1978 to 1986
Made in: Osaka, Japan
color: Black
remote control: wired remote control RP-9170, cable remote control RP-9690, infrared remote control RP-070
power consumption: 135 W
dimensions (WxHxD):
- drive unit: 500 x 443 x 347 mm
- electronics unit: 500 x 223 x 389 mm
weight:
- drive unit: 36 kg
- electronics unit: 16.6 kg
factory price approx.: Of 12,500 to 15,000 DM
Accessories price:
- RP-2224 4-track heads: 38,000 Yen (Japan, 1979), 700 DM
- RP-2422 2-track heads: 38,000 Yen (Japan, 1979), 700 DM
- RP-2224SX 4-track butterfly heads: 58,000 Yen (Japan, 1979), 1100 DM
- RP-2422SX 2-track butterfly heads: 58,000 Yen (Japan, 1979), 1100 DM
- RP-9690 cable remote control: 13,000 Yen (Japan, 1979), a 250-DM
- RP-9170 cable remote control: 18,000 Yen (Japan, 1979), 350 DM
- RP-070 infrared remote control: 30,000 Yen (Japan, 1979), 600 DM

number of outputs: 5
- headphones: plug connection
- Line Out: 2 x balanced: XLR (Cannon type) +4 dBm, impedance: 600 Ohm /10 kOhm or greater
- Line Out: 2 x Asymmetric: RCA 1 and 2 0.775 V, impedance: 22 kOhm or greater
- DIN: no
number of inputs: 4
- microphone:
- Line In: 2 x balanced: XLR (Cannon type) -20 dB, impedance: 10 kOhm
- Line In: 2 x Asymmetric: RCA 1 and 2, sensitivity 60 mV (-24 dB) impedance 50 ohms

headphones: plug connection
Line Out: 2 x balanced: XLR (Cannon type) +4 dBm, impedance: 600 Ohm /10 kOhm or greater
Line Out: 2 x Asymmetric: RCA 1 and 2 0.775 V, impedance: 22 kOhm or greater
DIN: no

microphone:
Line In: 2 x balanced: XLR (Cannon type) -20 dB, impedance: 10 kOhm
Line In: 2 x Asymmetric: RCA 1 and 2, sensitivity 60 mV (-24 dB) impedance 50 ohms

Max.Coil diameter: 26.5 cm
drive: direct drive, brushless DC motor with phase-rigid quartz scheme for the sound wave, two direct-drive, brushless DC motors, with tension control for winding plate
heads: 4 heads (head carrier: RP-2224SX)
tracks: 2-track, 2-channel Stereo recording/playback, and 4-track, 2-channel Stereo playback
tape speed of 19 cm/s, 38 cm/s and 76 cm/s
slip:
- at 19 cm/s: 0,03% (WRMS ) +/-0.05% DIN)
- at 38 cm/s: 0,015% (WRMS ) +/-0.035% DIN)
- at 76 cm/s: 0,010% (WRMS ) +/-0,025% DIN)
pitch fluctuations:
total frequency response: -10 dB
- at 19 cm/s: 20 to 25,000 Hz, +/-3 dB(20 - 20,000 Hz +/-2 dB)
- at 38 cm/s: 30 - 30,000 Hz, +/-3 dB(30 - 22,000 Hz +/-2 dB)
- at 76 cm/s: 30 - 35.000 Hz, +/-3 dB(40 - 25,000 Hz +/-2 dB)
signal-to-noise ratio:
s / n ratio:
- at 19 cm/s: 62 dB
- at 38 cm/s: 62 dB
- at 76 cm/s: 64 dB
total harmonic distortion (0 VU): < 0.8% for all three speeds
constant velocity fluctuations (76 cm/s): 0,03%
crosstalk attenuation at 1 kHZ in stereo mode: < 50 dB
delete damping: at 19 cm/s: < 65 dB