24V Mark Vll

62Frank

New Member
Feb 23, 2018
3
0
upstate NY
Does anyone know how to adapt a 24v Mark Vll to 12v? I'm guessing it might work on 12v but with a proportionate output loss.
Any help would be appreciated.
 
Does anyone know how to adapt a 24v Mark Vll to 12v? I'm guessing it might work on 12v but with a proportionate output loss.
Any help would be appreciated.
This step converter provides surprisingly "clean" power for a decent price. They have other amp ratings too for not much more money. They are good enough to run electronics so I'd trust them with a siren. You can always test them first, but some of the other brands were all over the place with voltage spikes under load.

24v.PNG
 
I have several of the ones @JohnMarcson mentioned above (from Amazon). I use them in up and down voltage applications (24v military equipment, 36v golf carts, etc.) and have had no issues with running any under load. 20231206_125726.jpg

Watch the grounds though, they're meant to be separate isolated circuits DONOT ground both sides all together with everything.
 
  • Like
Reactions: JohnMarcson
I have several of the ones @JohnMarcson mentioned above (from Amazon). I use them in up and down voltage applications (24v military equipment, 36v golf carts, etc.) and have had no issues with running any under load. View attachment 247883

Watch the grounds though, they're meant to be separate isolated circuits DONOT ground both sides all together with everything.
Great point about the grounds. Treat this stem as its own closed loop. Just start thinking of the unit as part of the device (siren). Everything goes to or from the converter instead of to or from the siren or 12v power.
 
  • Like
Reactions: Sparky_911

Forum Statistics

Threads
54,420
Messages
451,731
Members
19,325
Latest member
Manutea