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Blonder-Tongue 5500
Rackmount Distribution Amplifier, 50dB, 47-550 MHz

OUR PART #:  RMDA550-50

The RMDA Series are professional quality, broadband, rack-mounted hybrid distribution amplifiers.
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Our Price: $543.60
List Price: $566.00
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Blonder-Tongue 5500
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The RMDA Series are professional quality, broadband, rack-mounted hybrid distribution amplifiers.  The RMDAs are ideal as a headend launch amplifier or distribution amplifier for MATV, SMATV, or CATV applications requiring rack mounting.

The RMDA Series amplifiers have built-in variable gain and slope controls.  The 5500S-XX models use a single push-pull hybrid module providing excellent performance and economy for headend applications.  The 5500-CC employ dual push-pull hybrid modules and the 5500P-XX have a push-pull hybrid followed by a power doubling hybrid.  The dual hybrid models will have better CNR performance, compared to single hybrid models in applications with low input levels coupled with reduced gain settings.  Test ports for both the input and output are provided for monitoring signal levels without interrupting service.  The RMDA Series products are housed in a single height, 1.75" high, rack mountable aluminum chassis that provides exceptional heat dissipation.


  • Rack Mount - 1 EIA (1.75") Spacing, Rugged Aluminum Chassis
  • Available in Frequency Ranges up to 1000MHz
  • Push-Pull and Power Doubling Models for High Output and Low Distortion
  • Built-In Variable Gain and Slope Controls


  • Power Requirements:
      -  Voltage: 100-240 VAC
      -  Frequency: 50/60Hz
  • Current: 0.4 Amps
  • Temperature Range: -20° - +60°C
  • Dimensions (W x H x D):
      -  19" x 1.75" x 5.13"
      -  483 x 44 x 130mm
  • Weight:
      -  8 lbs.
      -  3.64 kg.
  • Indicators: Power On, LED, red
  • Connectors:
      -  RF Input: "F", Female - Rear Panel
      -  RF Output: "F", Female - Rear Panel
      -  Input Test Port: "F", Female - Front Panel
      -  Output Test Port: "F", Female - Front Panel
  • Controls:
      -  Gain: Var. Control
      -  Slope: Var. Control
  • Frequency Range (MHz): 47-550
  • Channel Loading: 77
  • Flatness (dB): ±0.75
  • Hybrid Technology: Push-Pull
  • Gain (dB): 50
  • Noise Figure (dB): 7.0
  • Output Level (dBmV): +38/+44
  • Test Port Level (dB):
      -  Input: - 20, ±2
      -  Output: -20, ±2
  • Gain Control Range (dB): 15
  • Slope Control Range (dB): 10
  • Composite Triple Beat - CTB (dB): -65
  • Composite Second Order - CSO (dB): -63
  • Cross Modulation - XMOD (dB): -63
  • Hum Modulation (dB): -70
  • Number of Hybrids: 2
  • Impedance - All Ports: 75Ohms
  • Return Loss (dB):
      -  Input: 14
      -  Output: 14

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