Econami UK Diesel 4fn 1A 16 Bit 21 Pin Sound Decoder


Scale: 1:76, 1:87, HO, OO
Econami UK Diesel 4fn 1A 16 Bit 21 Pin Sound Decoder

Recommended Retail Price: (RRP: £74.95)

Trade Price: £41.64

Out of stock but available to order





This 1-amp digital sound decoder simply plugs into models equipped with an NEM-supported 21-pin socket.

  • Motor Stall Current: 1A Max
  • Function Outputs: 6
  • Function Current: 100mA (each output) Max.
  • Audio Amplifier: 2W, 8-Ohm Load
  • DCC Track Voltage: 7.5V - 22V
  • Length: 30.5mm
  • Width: 15.5mm
  • Depth: 6.5mm
Decoder Features:
  • Compatible with NMRA DCC Standards & RPs
  • 28-function support, plus directional and E-Stop functions
  • Flex-Map function mapping to easily assign any function to any function key
  • High-quality 16-bit sound
  • 40+ sound effects in each version
  • Selectable exhaust chuffs or prime movers
  • Function-activated brake with synchronized sound effect
  • 7-Band Equalizer
  • 20 selectable Hyperlight effects
  • Hyperdrive2 advanced motor control and Switching Mode for enhanced slow-speed control
  • Motor-synced Dynamic Digital Exhaust (steam)
  • Standard, 3-point, and user-loadable speed curves
  • Operates on DCC and DC layouts
Diesel Sound Effects:
  • 6 UK Prime Movers (English Electric Class 20, Brush Traction Class 31, English Electric Class 37, Brush Traction Class 47, Alstom Class 66/67 (EMD 710), and BR Derby Class “Lightweight” DMU)
  • Startup
  • Shutdown
  • Multiple Exhaust Notches
  • 10 Airhorns
  • 2 Compressors
  • 4 Couplers with buffers
  • Dynamic Brake
  • Radiator Fans
  • and many more!

For each horn selected, both a high and low tone are available (playable on F1 & F2). F3 plays a pre-recorded “Two-Tone” sequence based on the horn set selected. If CV 121 is set to a non-zero value, the alternate horn in the reverse direction is enabled.

A Class 37 motor driven air compressor has been included as the default air compressor.

Prime Movers: CV123
Class: Bit Value:
English Electric Class 20Value 0
Brush Traction Class 31Value 1
English Electric Class 37Value 2
Brush Traction Class 47Value 3
Alstom Class 66/67 (EMD710)Value 4
BR Derby Class “Lightweight” DMUValue 5
AirHorns CV120 and 121:
Type:Bit Value:
Class 20 FrontValue 0
Class 20 RearValue 1
Class 31 FrontValue 2
Class 31 RearValue 3
Class 31 AlternateValue 4
Class 37 FrontValue 5
Class 37 RearValue 6
Class 47 FrontValue 7
Class 47 RearValue 8
BR Derby Class 108 “Iris”Value 9
Additional Information

Additional Information

Barcode 812165023172
Manufacturer Soundtraxx
Manufacturer Code 882106
Scale/Gauge 1:76 Scale, 1:87 Scale, HO Scale, OO Scale
Product Category Model Railway Digital Control, Model Railway Digital Control\DCC Decoders
Product Type Digital Control