TTS Sound Decoder - A1 & A3 Class

TTS Sound Decoder - A1 & A3 Class


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TTS Sound Decoder - A1 & A3 Class



Item Code: R8106

sssss (1 review)

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| 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
F1           Background steam/steam exhaust/coasting
F2           Whistle 4 bursts
F3           Whistle 2 bursts
F4           Whistle short burst
F5           Door slamming
F6           Wheel slip
F7           Coal shovelling
F8           Blow down
F9           Safety valve
F10         Injector
F11         Cylinder cock
F12         Brake
F13         Blower
F14         Guards whistle
F15         Coupler clank
F16         Fireman’s breakfast
F17         Toggle sound between ‘chuffing & ‘coasting’
F18         Aux lighting

- 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+

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Can this TTS Decoder be fitted to the R3086 RailRoad A1 'Flying Scotsman'

Posted by Stefan Colley on 19th Oct 2017


Can I reprogramme a function to give continuous whistle rather than a short blast. I have the flying Scotsman tats sound. Thanks

Posted by David Tanner on 19th Oct 2017


Which Flying Scotsman does this sound module fit into? I have a R2675 Railroad DCC ready Flying Scotsman will it fit that as the loco appears to be tender driven

Posted by Robert Gustard on 1st Sep 2017

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  • & Verified Purchase

Good value but needs better speaker

Compared to the others on the market this is very good value. However the cheap speaker is somewhat "tinny" in sound and could be replaced with one with some more bass. Some sounds are generic; for instance the guard's whistle could do with a more realistic sound recording.

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