Sheffield Based- Since 2008.

Unless stated all items are OO Gauge (1:76)
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(+44) 0114 2647 449.
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Hornby R7141 TTS – Class 8P Rebuilt Merchant Navy

Hornby R7141 TTS Sound Decoder
Class 8P Rebuilt Merchant Navy

In Stock Ready to Order!


Olivia’s Fitting Service: £30 

1 Day Service for Fitting to Hornby or Bachmann Models

Additional DCC Fitting Services:

£46 – Oil Lights.
£ 7 – Cab Light

Return P&P Options of £5 Recorded or £10 Next day Special Delivery.

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 (Analogue) operation.   

Please note we advise isolating the circuit board with isolation tape to prevent shorting prior to fitting the decoder.

Hornby TTS decoder installation guideINSTALLATION GUIDE

– 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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Tel: 0114 3216 160 Or 0114 2647 449.