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Rolls HR78X
Digital Tuner AM/FM with XLR Outputs

OUR PART #:  HR78X

The ROLLS HR78X is a PLL synthesized digital AM/FM tuner in a feature-packed half-rack chassis.
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Our Price: $209.00
List Price: $250.00
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Rolls HR78X
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The ROLLS HR78X 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 HR78X units may be rack mounted in a single standard 1U rack space, the Rolls URT5 (Universal Rack Tray), or the RMS270 Rack Module System.

Rolls HR78X Features:

  • Retains presets when power is off.
  • 20 presets, 10 FM and 10 AM.
  • Large LCD digital display.
  • Output Level control.
  • Auto search up and down.
  • US or International AM frequency centers.
  • XLR and 1/8" (3.5 mm) Outputs.
  • FM stereo or mono operation.

Rolls HR78X Specifications:

  • FM:
    • Intermediate Frequency: 10.7 MHz +/- 0.3
    • Tuning Range: 87.5 - 108 MHz
    • 30 dB quieting sensitivity: 28 dB
    • IF Rejection 87.9 MHz: 50 - 56 dB
    • Image Rejection 105.9 MHz: 20 - 26 dB
    • 3dB Limiting Sensitivity: 28 - 35 dB
    • THD 1 mV Input: 0.5 - 2 %
    • Auto Tuning Sensitivity 97.9 MHz: 25 - 30 dB
    • AM Suppression: 26 - 32 dB
  • AM:
    • Intermediate Frequency: 450 kHz +/- 5
    • Tuning Range:
    • US: 520 - 1710
    • International: 531 - 1602 kHz
    • 20 dB quieting sensitivity: 58 dB
    • IF Rejection 603 kHz: 25 - 32 dB
    • Image Rejection 1404 kHz: 32 - 38 dB
    • Auto Tuning Sensitivity 999 kHz: 28 - 35 dB
    • Max Output @ 1 kHz: 0.5V +/- 0.05V
    • Supply Voltage: 12-15 VDC (Rolls Model PS27s)
    • Dimensions (WxDxH): 190 x 185 x 42.5 mm
    • Weight: 3 lbs
    • Current drain 190ma nominal FM 15vdc

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