Rolls RS81B Quartz PLL Synthesized AM/FM Tuner

The RS81B is a single rack space Phase Lock Loop digital AM/FM Tuner designed and built for professional applications such as remote radio station trucks and repeaters, church and school installations, as well as night clubs and restaurants.Remote has a 225mAh CR2032 lithium battery

Key Features

• Up to 30 FM and AM stations may be stored.
• RDS ( Radio Data System) Display.
• Retains presets when power is off.
• Large LCD digital display.
• Auto Search function.
• Standard 1 space EIA rack chassis.
• 3.5mm Headphone output, XLR outputs.
• Signal strenth LED meter indicator.
• Remote included W/225mAh CR2032 lithium battery

Technical Specifications

Tuning Range
87.5-108MHz
3 dB Limiting
12dB
Image Rejection
53dB
Usable sensitivity mono IHF
9dB
Selectivity
(-70KHz : +90KHz)
S/N Ratio at 1 mV Mono
52dB
Stereo
50dB
THD at 1 mV 40 kHz deviation
0.18%
Stereo Separation
28dB
Auto Scan Sensitivity
23dB
AM Suppression Mod
52dB
Antenna Input Impedance
75 Ohms
AM SECTION
Tuning Range
530 - 1710 kHz (10 kHz increm.)
IF Frequency
450KHz
Usable Sensitivity
28dB
Auto Scan Sensitivity
41dB
S/N Ratio at 5 mV/M
46dB
6 dB Bandwidth
7KHz
Image Rejection
42dB
A.C.A. +/- 9 kHz
46dB
AGC Action
43dB
THD at 5mV/M
0.40%
Antenna Input Impedance
300 Ohms
Size
19” x 1.75” x 7”
Weight
7.1 lbs. (3.2 kg)