Tallpaul69 Posted November 25, 2020 Share Posted November 25, 2020 HI all, Hornby issued two sound fitted Castles in the early 2010s. R2897XS- 4098 Kidwelly Castle in 2010 and R2994XS 7029 Clun Castle in 2011. Were these TTS chips or another chip? Many thanks Paul Link to post Share on other sites More sharing options...
The Black Hat Posted November 25, 2020 Share Posted November 25, 2020 To my knowledge - TTS still wasnt done then. Think your looking at a ESU 3.5 Loksound decoder into that. 1 Link to post Share on other sites More sharing options...
Tallpaul69 Posted November 25, 2020 Author Share Posted November 25, 2020 7 minutes ago, The Black Hat said: To my knowledge - TTS still wasnt done then. Think your looking at a ESU 3.5 Loksound decoder into that. That was my thinking, but needed confirmation! Link to post Share on other sites More sharing options...
Fireline Posted November 25, 2020 Share Posted November 25, 2020 XS denotes full fat sound. TTS denotes TTS. There was a fair gap between the two in terms of time. 1 Link to post Share on other sites More sharing options...
RAF96 Posted November 30, 2020 Share Posted November 30, 2020 -XS is indeed the 21-pin early ESU sound decoder. -TTS is the 8-pin cheaper sound decoder. 1 Link to post Share on other sites More sharing options...
RMweb Gold Lyonshall Castle Posted March 23, 2021 RMweb Gold Share Posted March 23, 2021 Just seen this thread so am probably much too late. I have a number of Hornby XS Castles and discovered that Kidwelly Castle with the Hawksworth tender has a 21 pin ESU Loksound v3.5 whereas Clun Castle with Collet tender has an 8 pin ESU Loksound V4 decoder. Both sound similar but need different tweaks to their CV settings to get the best results. The v3.5 needs a 100ohm speaker whereas the v4 needs a 4 ohm one. I discovered this as the sound died on one and I discovered it was the speaker when I put the decoder in another Kidwelly. You can get replacement 100ohm speakers (bass reflex or 28mm round) from DCC Supplies to replace blown ones. Hope that helps. Link to post Share on other sites More sharing options...
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