 Joined: 03/04/2013(UTC) Posts: 302 Location: Fraser Valley
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Hi, I am considering converting this locomotive to digital using the 60906 decoder. The loco in pristine new condition, so I feel I'd like to retain the original parts as much as possible. My question is regarding the light output of the 60906, the light bulbs in this loco are only 1.5 volt. I'm thinking that the output of the 60906 light circuits is probably 16 volt? I've looked in the manual and I don't see anything about that.   |
Best Regards,
Don
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IB 2 and MFU modul, C track and Z scale, mostly DB/DR and SBB, SJ |
 2 users liked this useful post by Donb
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Joined: 16/02/2004(UTC)
Posts: 15,443
Location: DE-NW
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Hi! Originally Posted by: Donb  I'm thinking that the output of the 60906 light circuits is probably 16 volt? It's the full track voltage minus the losses in the decoder. With 22 V on the track you could get 20 V there. Maybe Märklin offer that type of bulbs in a version for 22 V for digital operation. When using the type for analogue operation (19 V) you can reduce the brightness using decoder settings. |
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  |
1 user liked this useful post by H0
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Joined: 03/04/2013(UTC) Posts: 302 Location: Fraser Valley
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Originally Posted by: H0 Hi! Originally Posted by: Donb I'm thinking that the output of the 60906 light circuits is probably 16 volt? It's the full track voltage minus the losses in the decoder. With 22 V on the track you could get 20 V there. Maybe Märklin offer that type of bulbs in a version for 22 V for digital operation. When using the type for analogue operation (19 V) you can reduce the brightness using decoder settings. Hi Tom, Thanks for the info. I may have found a solution in my own parts drawer, I use these Viessmann house lamps in some of my structures. Rated at 16 volts ac, and the bulb fits perfectly in the locomotive socket. So this might work if as you say I can reduce the voltage to the bulbs in the decoder settings.  |
Best Regards,
Don
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IB 2 and MFU modul, C track and Z scale, mostly DB/DR and SBB, SJ |
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Joined: 16/02/2004(UTC)
Posts: 15,443
Location: DE-NW
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Originally Posted by: Donb So this might work if as you say I can reduce the voltage to the bulbs in the decoder settings. You can reduce the effective voltage. With bulbs for 16 V there should be no issues. Don't try this with bulbs made for 1.5 V though. |
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 |
2 users liked this useful post by H0
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Joined: 03/04/2013(UTC) Posts: 302 Location: Fraser Valley
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The 60906 Decoder arrived in the mail a few days ago, so I completed the conversion with this decoder. Ignoring the good advice from other members to avoid this conversion, I pressed on because of curiosity. I'm actually quite pleased with the result. It has the analog hum at startup, but when she's running she's pretty quiet. The deceleration delay works rather well. The bulbs worked out perfectly. That's me in the cab checking gauges before departure! And I didn't mean to put BR in front of the 3366 in the title. Don't know how to change that.   |
Best Regards,
Don
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IB 2 and MFU modul, C track and Z scale, mostly DB/DR and SBB, SJ |
5 users liked this useful post by Donb
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