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In response to Mr Clutterbuck's query regarding the Ossynths sound system and DCC I can confirm that the two are mutually incompatible.

The Ossynths unit puts out pure DC (so you need locos with coreless motors). The sound provided by both the IC and steam systems is superior in every way to that provided by DCC, which, as the sound chip is in the loco, does not benefit from the auxiliary speakers, nor the powerful output Otto has cleverly contrived. As far as I am aware, Otto's diesel system is the only one to offer 'diesel mechanical' sound, with a choice of 1, 2, 3 or 4 cylinder units. No DCC system I know of offers 'wheel and rolling stock' sound options either. Hearing a loco running 'light engine' rumbling over light rails, buffing up to a train, then the whole moving off with the clatter of skips or groan of timber wagons is a treat DCC owners can only dream of.

DCC though, does have benefits, particularly with large systems, where multiple train movements are required. This aspect is of less importance for narrow gauge operations where often, only one loco is 'in steam' as a matter of course. I know Otto can make systems that cope with more than one loco, my own diesel system provides 2 or 3 cylinder modes (for a Ruston LAT & LBT). My steam system will cope with either UK, European or US narrow gauge steam.

Roy

--- In O-14@..., Roy Link <royclink@n...> wrote:

In response to Mr Clutterbuck's query regarding the Ossynths sound
system and DCC I can confirm that the two are mutually incompatible.

The Ossynths unit puts out pure DC (so you need locos with coreless
motors).

I think John has replaced the lovely coreless, gearhead, motors in
his K1 with Mashimas - bet he wishes he hadn't now!
:-)
(Sorry John)

The sound provided by both the IC and steam systems is

superior in every way to that provided by DCC, which, as the sound

chip

is in the loco, does not benefit from the auxiliary speakers, nor

the

powerful output Otto has cleverly contrived. As far as I am aware,
Otto's diesel system is the only one to offer 'diesel mechanical'
sound, with a choice of 1, 2, 3 or 4 cylinder units. No DCC system

I

know of offers 'wheel and rolling stock' sound options either.

Hearing

a loco running 'light engine' rumbling over light rails, buffing up

to

a train, then the whole moving off with the clatter of skips or

groan

of timber wagons is a treat DCC owners can only dream of.

DCC though, does have benefits, particularly with large systems,

where

multiple train movements are required. This aspect is of less
importance for narrow gauge operations where often, only one loco

is

'in steam' as a matter of course. I know Otto can make systems that
cope with more than one loco, my own diesel system provides 2 or 3
cylinder modes (for a Ruston LAT & LBT). My steam system will cope

with

either UK, European or US narrow gauge steam.

Roy

Having listened to the sound system Roy refers to, both in the quiet
of his workshop and at an exhibition, I can assure readers of the
excellent quality of the Ossynths sound.
The variation in i/c engine notes may sound wierd but it is very
distinctive and the 'background noises' are particularly effective.

Adrian

--- In O-14@..., "adriangrayfr" <adrian@p...> wrote:

I think John has replaced the lovely coreless, gearhead, motors in
his K1 with Mashimas - bet he wishes he hadn't now!
:-)
(Sorry John)

No it was someone else. I am still using the original gearhead
motors.

Having listened to the sound system Roy refers to, both in the

quiet

of his workshop and at an exhibition, I can assure readers of the
excellent quality of the Ossynths sound.
The variation in i/c engine notes may sound wierd but it is very
distinctive and the 'background noises' are particularly effective.

Adrian

I am currently using DC. I keeping reading good reviews about the
Ossynths system. However my layout is (or will be) quite large with
potential for 2 - 3 locos (steam + diesel) in operation at 2 separate
locations - think of Fallgate + Clay Cross on the ALR. This is why I
am leaning towards DCC with sound and possibly smoke, but this wont
happen for a good while yet.

John

Please remember that Ossynths systems are 'custom built' by Otto to suit individual requirements. I know Otto has built a system for someone to run three different locos (steam). you would need two separate systems, one for steam, one for IC, so could easily have two locos running at once. I know Otto is working on other clever additions, lights and smoke etc., being amongst them. His ingenuity never seems to falter, if you ask him for a feature not currently part of the system he will go away and think about it - and come up with a solution.

I'm not sure what Adrian means by 'engine notes sound weird'. Although electronically generated, they are faithful copies of real sounds. When I first ran the system in Norfolk, a friend came round to see the 'Lister stationary engine' he thought I had just started up!

Roy

--- In O-14@..., Roy Link <royclink@n...> wrote:

I'm not sure what Adrian means by 'engine notes sound weird'.

Although

electronically generated, they are faithful copies of real sounds.

Sorry it isn't clear, unlike Otto's sounds.......
What I meant was thhat the difference between 2 and 3 cylinder locos
might not be discerned by most.

Adrian