Digital 1/2 Rack AM/FM Tuner

รายละเอียด

HR78 AM/FM Digital Tuner บันทึกสถานีได้ 18 ช่อง FM 12 ช่อง AM 8 ช่อง Output Level Control ระบบค้นหาอัตโนมัติ RCA และ 1/8” (3.5mm) Output สวิตช์เลือกระบบ FM Stereo/Mono     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), or the RMS270 Rack Module System.   HR78 AM/FM Digital Tuner 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 AM frequency centers. RCA and 1/8" (3.5 mm) Outputs. FM stereo or mono operation. 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: (190w x 185d x 42.5h) mm Weight: 3 lbs Current drain 190ma nominal FM 15vdc