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Hornby R8106 TTS Sound Decoder - A1 & A3 Class

Product code: AA7471
£39.99
In Stock
Quantity - +

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 Chime whistle

F3 Screech whistle

F4 Long chime whistle

F5 Long screech whistle

F6 Short chime whistle

F7 Coal shovelling

F8 Blow down

F9 Safety valve

F10 Injector

F11 Cylinder cock

F12 Brake

F13 Blower

F14 Wheel slip

F15 Coupler clank

F16 Fireman's breakfast

F17 Toggle 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

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Bourton Model Railway - Wed Dec 13 11:01:51 GMT 2017 [web4]