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RS81B Quartz PLL Synthesized AM/FM Tuner.

Quick Start Guide

ROLLS CORPORATION

SALT LAKE CITY, UTAH

10/15

www.rolls.com

SERIAL NUMBER

LINE LEVEL XLR OUTPUTS

RS81B

Quartz PLL Synthesized AM/FM RDS Tuner

AM

LOOP ANT

FM ANT

75

L

R

OUTPUT

RIGHT

LEFT

MODEL RS81B

www.rolls.com

WARNING:

 DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE.

RISQUE DE CHOC - NE PAS ENLIVER

FUSE T1A 250V

DC 24V

HEADPHONE

HEADPHONE

OUTPUT

CAUTION

: TO REDUCE THE RISK OF ELECTRIC 

SHOCK DO NOT REMOVE COVER (OR BACK). NO 

USER SERVICEABLE PARTS INSIDE. REFER 

SERVICING TO QUALIFIED SERVICE PERSONNEL.

CAUTION

RISK OF ELECTRIC

SHOCK DO NOT OPEN

MADE IN TAIWAN

DIRECT

TUNING

M3 

/ 3

M4

 / 4

M1 

/ 1

M2 

/ 2

M6 

/ 6

M7 

/ 7

M8 

/ 8

M9 

/ 9

M10 

/ 10

M5 

/ 5

0

TA

PTY

MO / ST

MEM. UP

BAND

DISP

AF

MEMORY

SLEEP

DN

UP

+

_

POWER INPUT

110-120V     60Hz 45W 

220-240V     50Hz 45W

   SIGNAL 

STRENGHT

Specs:

FM SECTION

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.)

522 - 1611 kHz (9 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”

(48.3 x 4.5 x 12 cm)

Weight: 7.1 lbs. (3.2 kg)

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