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Rolls RS81B Quartz PLL Synthesized AM/FM Tuner

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Key Features
  • Quartz Phase Locked Loop (PLL)
  • 30 Memory Presets for FM and AM Stations
  • Retains Presets When Powered Off
  • Auto Search Function
  • Signal Strength LED Meter
  • 1/8″ Headphone Output
  • Stereo XLR and RCA Outputs
  • Wireless Remote Control Included

AED1,599.00

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The RS81B from Rolls is a single-rack space quartz Phase Locked Loop (PLL) digital AM/FM tuner, well suited for remote radio station trucks and repeaters, houses of worship and school installations, night clubs, restaurants, and other professional applications. The unit can store up to 30 FM and AM stations and retains its memory even after powering off. The system offers Radio Data System (RDS) display via its large and easy-to-read digital LCD. The RS81B also features an auto search function, a signal strength LED meter indicator, and a wireless remote control.

  • 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
  • 1/8″ Headphone output, Stereo XLR and RCA outputs
  • Signal strength LED meter indicator
  • Remote included
SKU: RS81B Category: Tag:
Connectors
Inputs
FM Antenna 75 Ohm: Connects to the included 75 Ohm FM antenna
AM Loop Antenna 300 Ohm: Connects to the included 300 Ohm AM Loop antenna
Outputs
Balanced: 2 x XLR line level
Unbalanced: 2 x RCA line level
Headphone (Front Panel): 1/8″ / 3.5 mm
FM Section
Tuning Range
87.5 to 108 MHz
Limiting
3 dB Limiting: 12 dB
Image Rejection
53 dB
Usable Sensitivity
Mono IHF: 9 dB
Selectivity
-70 kHz to +90 kHz
Signal-to-Noise Ratio (SNR)
52 dB @ 1 mV Mono
Stereo
50 dB
THD
At 1 mV 40 kHz Deviation: 0.18%
Stereo Separation
28 dB
Auto Scan Sensitivity
23 dB
AM Suppression Mod.
52 dB
Antenna Input Impedance
75 Ohms
AM Section
Tuning Range
530 to 1710 kHz (10 kHz increments)
522 to 1611 kHz (9 kHz increments)
IF Frequency
450 kHz
Usable Sensitivity
28 dB
Auto Scan Sensitivity
41 dB
S/N Ratio
46 dB @ 5 mV/M
6 dB Bandwidth
7 kHz
Image Rejection
42 dB
ACA
±9 kHz: 46 dB
AGC Action
43 dB
THD
0.40% @ 5 mV/M
Antenna Input Impedance
300 Ohms
General Specifications
Power Requirements
Power Select Switch: 115 V (110-120 VAC) or 230 V (220-240 VAC), 60/50 Hz, 45 W
IEC
AC: Three connector IEC power cord
DC Power Input
24 VDC input for powering the RS81B when main power is not available
Dimensions (WxHxD)
19.0 x 1.8 x 7.0″ / 482.6 x 44.5 x 177.8 mm
Weight
7.1 lb / 3.2 kg
Packaging Info
Package Weight
7.35 lb
Box Dimensions (LxWxH)
23.8 x 11.5 x 5.3″

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