Optonica RT-9100 specifications

General

connectors

Tech nical data

special features

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manufacturer: Sharp Optonica
model: RT-9100 H/HB
year of construction: 1979 - 1982
Made in Japan
color: silver metallic (H) and metallic brown (HB)
remote control: Yes
power consumption: 43 watts
dimensions: 430 x 140 or 144 mm x 371 mm (B x H x T, feet to 4mm height adjustable)
weight: 12.5 kg
factory price approx.: 2.498,- DM

number of inputs:
- RCA, DIN, 2x Mono microphone, Front Line-In
number of outputs:
- RCA, DIN, headphone, Syncro socket for Timer AD-200 T

RCA, DIN, 2x Mono MIC, Front Line In

RCA, DIN, headphone, Syncro socket for Timer AD-200 T

heads: 4 (recording, playback, Delete, search)
engines: 2
flutter: ±0,12% (DIN), ±0,038% (WRMS )
band types: type I, II, III, IV
frequency response:
- type I: 20 - 16000 Hz (DIN), 30 - 16000 Hz ±3dB
- type II: 20 - 18000 Hz (DIN), 30 - 18000 Hz ±3dB
- type III: 20 - 20000 Hz (DIN), 30 - 19000 Hz ±3dB
- type IV: 20 - 20000 Hz (DIN) 30 - 20000 Hz ±3dB
bias frequency: 105 kHz
THD:
signal-to-noise ratio: 57 dB without Dolby, 67 dB with Dolby B
Auto-Reverse: no
title search: Yes
Dolby: B
MPX Filter : Yes

type I: 20 - 16000 Hz (DIN), 30 - 16000 Hz ±3dB
type II: 20 - 18000 Hz (DIN), 30 - 18000 Hz ±3dB
type III: 20 - 20000 Hz (DIN), 30 - 19000 Hz ±3dB
type IV: 20 - 20000 Hz (DIN), 30 - 20000 Hz ±3dB

Dual Capstan drive
quartz-controlled capstan motor
Left
Dolby level for each channel can be controlled separately for all 4 band places separately
Bias adjustable for all 4 band places separately
test tone generator for Bias and Dolby level
Peak Hold for the level meter, switchable
Timer switch
Limiter
adjustable output level
separate level control level control for Line/DIN and microphone
2 counter memory
programmable title sequence
various repeat AE (AB, a complete cartridge, page, program)
automatic channel Search (direct selection of a title)
white space automatic
10 keyboard for programming
key tones can be switched off
Syncro socket for Timer AD-200 T. He then serves as a real-time counter and buffer for programming.