Rolls HR78 - Manual
Rolls HR78 – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.
The ROLLS HR78 is a PLL synthesized digital AM/FM tuner in a feature-packed half-rack chassis. The unit is
ideal for replacing analog tuners, and where a small digital tuner is desired. The unit ships with FM and AM
antennas, and the 1/8" output has sufficient levels to drive a pair of headphones. Up to two HR78 units may be
rack mounted in a single standard 1U rack space, the Rolls URT5 Universal Rack Tray
FEATURES:
• Retains presets when power is off
• 18 presets, 12 FM and 6 AM
• Large LCD digital display
• Output Level control
• Auto search up and down
• US or International frequency centers
• RCA and 1/8" (3.5 mm) Outputs
• FM stereo or mono operation
SPECIFICATIONS
FM
AM
Intermediate Frequency:
10.7 MHz +/- 0.3 Intermediate Frequency:
450 kHz +/- 5
Tuning Range:
87.5 - 108 MHz Tuning Range:
US
520 - 1710 kHz
30 dB quieting sensitivity:
28 dB International 531 - 1602 kHz
IF Rejection 87.9 MHz:
50 - 56 dB 20 dB quieting sensitivity:
58 dB
Image Rejection 105.9 MHz:
20 - 26 dB IF Rejection 603 kHz:
25 - 32 dB
3dB Limiting Sensitivity:
28 - 35 dB Image Rejection 1404 kHz:
32 - 38 dB
THD 1 mV Input:
0.5 - 2 % Auto Tuning Sensitivity 999 kHz:
28 - 35 dB
Auto Tuning Sensitivity 97.9 MHz:
25 - 30 dB
AM Suppression:
26 - 32 dB
Max Output @ 1 kHz:
0.5V +/- 0.05V
Supply Voltage:
12 VDC, 200mA
(Rolls Model PS27)
Dimensions:
(190w x 185d x 42.5h) mm
Weight:
3 lbs
ROLLS Coporation
5968 South 350 West, Salt Lake City, UT, 84107
(801) 263-9053 FAX (801) 263-9068
[email protected] • www.rolls.com
HR78 Digital AM/FM Tuner
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