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Offline poppa-7  
#1 Posted : 29 June 2020 12:21:13(UTC)
poppa-7


Joined: 10/07/2007(UTC)
Posts: 86
Location: Palmerston North, New Zealand
Dear All
What speaker ohm rating should be used with ESU decoder 62499 V3.0 M4
Regards RussellConfused

Edited by user 30 June 2020 02:06:31(UTC)  | Reason: Not specified

Offline JohnjeanB  
#2 Posted : 29 June 2020 12:58:42(UTC)
JohnjeanB

France   
Joined: 04/02/2011(UTC)
Posts: 951
Location: Paris, France
Hi Russel
Apparently this is a LokSound V3.0 M4
Early ESU decoders (prior to V4) cannot use 4 Ohms speaker. ESU says there is a risk of destruction
So IMO you need to use an 8 Ohm speaker but the ESU Website doesn't provide any advice for prior-V3.5 decoders
(see: http://www.esu.eu/en/products/accessories/loudspeakers/)
To play it safe you may start wiring a 8 Ohm speaker but with a 10 Ohm resistor in series

Cheers
Jean
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Offline H0  
#3 Posted : 29 June 2020 13:15:17(UTC)
H0


Joined: 16/02/2004(UTC)
Posts: 13,752
Location: DE-NW
Hi!
Originally Posted by: poppa-7 Go to Quoted Post
What speaker ohm rating should be used with ESU decoder 62499
The manual indicates 100 ohms.
Some Märklin locos used speakers with only 50 ohms - and quite often the speaker got damages.
Better do not go below 50 ohms.

Speakers with 8 ohms will most likely damage your decoder, even with 10 ohms in series. In the best case the speaker blows up before the decoder gets damaged...

The ESU speakers marked LokSound V3.5 should be fine for that decoder.
Regards
Tom
---
"In all of the gauges, we particularly emphasize a high level of quality, the best possible fidelity to the prototype, and absolute precision. You will see that in all of our products." (from Märklin New Items Brochure 2015, page 1) ROFLBTCUTS
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Offline mmervine  
#4 Posted : 29 June 2020 16:31:08(UTC)
mmervine

United States   
Joined: 30/01/2006(UTC)
Posts: 1,797
Location: Keene, NH
That is correct, a 100ohm speaker is required for a LS3/3.5
Märklin C-track, Digital, ECoS, multi-era French & Swiss
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Offline poppa-7  
#5 Posted : 30 June 2020 03:53:33(UTC)
poppa-7


Joined: 10/07/2007(UTC)
Posts: 86
Location: Palmerston North, New Zealand
Originally Posted by: JohnjeanB Go to Quoted Post
Hi Russel
Apparently this is a LokSound V3.0 M4
Early ESU decoders (prior to V4) cannot use 4 Ohms speaker. ESU says there is a risk of destruction
So IMO you need to use an 8 Ohm speaker but the ESU Website doesn't provide any advice for prior-V3.5 decoders
(see: http://www.esu.eu/en/products/accessories/loudspeakers/)
To play it safe you may start wiring a 8 Ohm speaker but with a 10 Ohm resistor in series

Cheers
Jean


Hi Jean
Thanks for the info it was very helpful
Regards
Russell
Offline poppa-7  
#6 Posted : 30 June 2020 03:59:28(UTC)
poppa-7


Joined: 10/07/2007(UTC)
Posts: 86
Location: Palmerston North, New Zealand
Originally Posted by: mmervine Go to Quoted Post
That is correct, a 100ohm speaker is required for a LS3/3.5


Great. I fitted a 100ohm and it sounds fantastic
Thank you
Regards
RussellBigGrin
Offline Bigdaddynz  
#7 Posted : 30 June 2020 06:23:07(UTC)
Bigdaddynz

New Zealand   
Joined: 17/09/2006(UTC)
Posts: 17,296
Location: New Zealand
Originally Posted by: mmervine Go to Quoted Post
That is correct, a 100ohm speaker is required for a LS3/3.5


That's my understanding!
Offline H0  
#8 Posted : 30 June 2020 09:28:09(UTC)
H0


Joined: 16/02/2004(UTC)
Posts: 13,752
Location: DE-NW
Originally Posted by: JohnjeanB Go to Quoted Post
To play it safe you may start wiring a 8 Ohm speaker but with a 10 Ohm resistor in series
That's not safe. You risk overloading the sound decoder. The manual shows 100 ohms for the speaker.

Regards
Tom
---
"In all of the gauges, we particularly emphasize a high level of quality, the best possible fidelity to the prototype, and absolute precision. You will see that in all of our products." (from Märklin New Items Brochure 2015, page 1) ROFLBTCUTS
UserPostedImage
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