TTS Sound Decoder - King Class

TTS Sound Decoder - King Class


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TTS Sound Decoder - King Class


Item Code: R8109

sssss (2 reviews)

3 2

| Description

IMPORTANT - The decoder does not support sound under DC (analogue) operation. Sounds can only be played under DCC (digital) operation. This applies to all sounds, both running and spot sounds. The locomotive's motor may be controlled under DC operation.   

Function list

F0     Headlight/rearlight (if fitted)
F1     Background steam/steam exhaust/coasting
F2     Whistle medium
F3     Whistle long
F4     Whistle short
F5     Whistle two bursts 
F6     Wheel slip
F7     Coal shovelling
F8     Blow down
F9     Safety valve
F10   Injector
F11   Cylinder cock
F12   Brake
F13   Blower
F14   Guard's whistle
F15   Coupler clank
F16   Fireman's breakfast
F17   Toggle between 'chuffing' & 'coasting'
F18   Aux lighting (standard decoder function if aux lights used)

- Supports short and long decoder addresses
- Adjustable acceleration and deceleration
- Back EMF load compensation
- Up to 19 controllable spot sounds dependent on model including whistles or horns etc
- Two sound channels allowing for simultaneous play of full locomotive engine sounds, & individual spot sounds e.g. horns, whistles, brakes, wagons coupling etc. NOTE: Only one spot sound can be played at the same time
- It is possible to alter the volume of each sound through an individual dedicated CV. Range 0-8
- Decoder is equipped to support directional front and rear lighting operation via F0 on the controller, providing that the product is fitted with lights
- The decoder is equipped with 1 aux function output controlled by F18 or F25 dependent on locomotive type (diesel or steam)
- Motor current - maximum continuous 500mA
- Motor current - peak 1amp (no function load)
- Function output current maximum—100mA (unprotected)
- Decoder current maximum continuous - 800mA (shared motor and functions)
- Number of sound channels - 2
- Termination - 8 pin plug NEM652. NMRA


Hornby is a household name and is famous as the UK's brand leader in the model railway hobby with its high quality 00 gauge (1:76) models and accessories.

% Safety Notice

Colour and contents of products may vary from those illustrated

y Technical Specification & Detail

Age Suitability 14+

* Customer Reviews Review Guidelines



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sssss 1
  • u 4 Helpful Votes
  • d 1 Unhelpful Vote

Beware King TTS kit

I had hoped to be able to dismantle the tender, fit the speaker and decoder and reassemble. However my speaker is something like 8mm thick and won't fit under the tender ballast weight as per photos in the model press. This is compounded by a spacer ring and the securing wings on both. Hornby, when spoken to, said they could not help as I was modifying their product, even tho' it was their kit!!

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Hornby Says...


TTS decoders can require modification of the locomotive and tender. Whilst we try to offer guidance, our Customer Services team aren’t able to offer step-by-step instructions for each model the decoders could be fitted to. However, as recommended in the accompanying leaflet, please do try online communities (like the Hornby Forum) who may be able to offer specific advice for your model.

sssss 5
  • u 4 Helpful Votes
  • d 1 Unhelpful Vote

Game changer

Just fitted this TTS chip to my NRM gloss King George V - amazing !! These chips are just brilliant and great value. Well done Hornby.

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