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MRC
HO Universal Sound Decoders

The exact specifications, as officially documented by MRC for some of its products, may vary from one resource to another.

Specifications listed here come from the product manuals and secondarily from other MRC resources.

Model Description List Steve's Add Cart
Diesel
1730 Universal HO Diesel Sound Decoder

This is a basic, low cost diesel sound decoder with prime mover, airhorn, and bell sounds.

Amp Rating: 1.5
Size (Imperial): unavailable
Size (Metric): unavailable
Motor Control: Back EMF
Function Outputs: 4
Airhorns / Bells: 1 / 1
Speaker: sold separately
Interface: 9-pin to 8-pin wire harness
   
42.98 25.99
1910 Universal HO Diesel Sound Decoder

Includes selectable sound for six prime movers:

  • ALCO 244
  • ALCO 539T
  • EMD 567B
  • EMD 645
  • EMD 645E
  • EMD 710
Amp Rating: 1.0
Size (Imperial): unavailable
Size (Metric): unavailable
Motor Control: Back EMF
Function Outputs: 4 @ 100mA
Airhorns / Bells: 22 / 8
Speaker: 20mm included
Interface: integrated 8-pin NMRA plug
   
99.98 69.95
1913 Universal HO Diesel Sound Decoder

Includes selectable sound for six prime movers:

  • ALCO
  • EMD F Unit
  • EMD SD60
  • EMD SD70
Amp Rating: 1.0
Size (Imperial): unavailable
Size (Metric): unavailable
Motor Control: Back EMF
Function Outputs: 4 @ 100mA
Airhorns / Bells: 30 / 8
Speaker: included
Interface: wire harness to 8-pin NMRA plug
   
99.98 69.95
Steam
1731 Universal HO Steam Sound Decoder

This is a basic, low cost steam sound decoder with chuff, whistle, and bell sounds.

Amp Rating: 1.5
Size (Imperial): unavailable
Size (Metric): unavailable
Motor Control: Back EMF
Function Outputs: 4
Airhorns / Bells: 1 / 1
Speaker: sold separately
Interface: 9-pin to 8-pin wire harness
   
42.98 25.99
1911 Universal HO 16-Bit Steam Dual Mode Sound Decoder

20 types of synchronized chuff sounds (including articulated).

Amp Rating: 1.5
Size (Imperial): 1.16 x 0.42 x 0.20 inches
Size (Metric): 29.50 x 10.60 x 5.0 mm
Motor Control: Back EMF
Function Outputs: 4 @ 100mA
Whistles / Bells: 17 / 7
Speaker: 28mm included
Interface: wire harness to 8-pin NMRA plug
   
99.98 69.95