I think the timeline goes like this...

 

Original bell - no strobe at all, complete unit made by Scanny

"Mk II" - space for an optional strobe (cover elongated with a clear lens) which consisted of a separately supplied PCB that slots in (strobe PCB possibly not made by scanny)

"Mk III" - cover still made by scanny?? Possibly not, siren definately made by Elmdene, metal box with built in strobe. Also white models with 'ADT Modern' and Telecom Security branding (most Telecoms dummies). Also Sonitrol / Sentrol?

"Mk IV" - cover made by Elmdene, siren made by Bentel, an Italian division of ADT

Current bell - complete unit made by Elmdene in China, with matching battery dummy, and now also wireless model.

Edited April 16, 20206 yr by datadiffusion

Interesting, either way the new one looks terrible, in comparison. Then again, customers do not care. I have the Mk II version, with a metal backplate and an Elmdene PCB mounted to it, dated 1992. I'd imagine that was made in the UK, but at the end of the day, I guess it is more economically viable to make them in China. I am surprised that there is no manufacturer mentioned on the moulding for the cover though. I can seee how they had a Eurobell in mind when designing this cover, shame that's not made today 

 

 

 

 

Edited April 16, 20206 yr by Gabs

5 hours ago, Gabs said:

Interesting, either way the new one looks terrible, in comparison. Then again, customers do not care. I have the Mk II version, with a metal backplate and an Elmdene PCB mounted to it, dated 1992. I'd imagine that was made in the UK, but at the end of the day, I guess it is more economically viable to make them in China. I am surprised that there is no manufacturer mentioned on the moulding for the cover though. I can seee how they had a Eurobell in mind when designing this cover, shame that's not made today 

 

 

 

 

 

Ah, that's yet another version you've got that I'd forgotten about!

 

That must fit in between the original Eurobell (as you say the modern and round Eurobell covers are 100% interchangeable) and the Elmdene 'economy' metal box and combined strobe version.

Yes, I am quite interested in these boxes, I nearly bought another on eBay, but that what do I do with them when I have them? They sit in a cupboard collecting dust, although they are an interesting piece of history, so recognisable. Even a lot of eBay listings mention them as being 'Like ADT' or  'The same as ADT' probably one of my favourite boxes, along with the Rapier. 

 

Wouldn't say no to a white one, just to match my current one. 

4 hours ago, Logan said:

Just took this out the other day   building has pyrene heat detectors aswell

So still ignoring the stay home essential visits only advice etc?

Leaving the house at all could potentially aid the spread of the virus... 

 

Not seen them before, can see why they discontinued it though. Whouldn't want that on my house, it doesn't look very nice. Although it is interesting. 

You are crazy! Any of those wires could be Live, building could be unstable, or fall down. What do your parents think about you sleeping in an abandoned building?

6 minutes ago, Gabs said:

What do your parents think about you sleeping in an abandoned building?

 

Disappointed... When he eventually turns up okay ?

3 minutes ago, MrHappy said:

 

Disappointed... When he eventually turns up okay ?

? ? 

2 hours ago, Logan said:

No im being antisocial in my private abandoned building 

My favourite elmdene box is this

 

what model is that tat ?