no, it took me ages to find out what co. made them, but they either no longer exist or no do anything "alarms"
They where mild steel lid & back plate,
a coated PCB with plastic cone speaker under it
err the book say 4140/ 4170
if you also have an accord book in the binder it might but prudent to post a pic of that,
I once had a 4140 on redcare.... not touched it 15yrs ?
Drove by on tuesday, my sticker are still on the EWD's
err... the only ungraded stuff I see is removing optima's
Pyronix, panel's paragon, conquer, & sterlings where proper dogshit,
I aslo once binned a martix ?
The post office shut (It would had made a great office for me!)
& there is now a counter in the off licencee, a 1/2 a dozen 1st class stamp, jiffy bag & 4 cans of stella pls.....
https://www.stealthsys.co.uk/clients/index.php
maybe of use?
either been raped by for 5k over 3 yrs for \ monitored alarm by pushy sales
or does not get the concept that it quite dear to employ people to fit stuff