Eddystone 670A. - UK Vintage Radio Repair and Restoration Discussion Forum

Runepune · 8th Aug 2009, 8:47 pm

I have this Eddystone 670A lying around in bits and pieces. This receiver is very tired in many ways - it's not a nice receiver to look at anymore. I also have a supply transformer that would deliver conservative voltages to it, so it's very tempting to plug it in for safety purposes first of all. Isolation from the mains and so on.
Would hardcore Eddystone enthusiasts ''kill'' me if I modified this receiver with E-series tubes and a isolation transformer?

g4aaw pete · 8th Aug 2009, 9:15 pm

Good evening,
I considered doing this with my Mimco R2232, which is really a rebadged version of the 670A.
In the final event, after changing all the capacitors and reforming the electrolytics, I left valve configuration as original.
I run the receiver via an isolation transformer and it performs adequately.
I believe several thousand of these models were produced, so they’re hardly rare. If any alteration to the original can be reversed, purists are unlikely to take a dim view of modifications !

Regards
Pete

Skywave · 8th Aug 2009, 9:28 pm

If in doubt, ask the Q. here:

http://uk.groups.yahoo.com/group/eddystone_radio_users

Al. / Skywave.

8th Aug 2009, 8:47 pm	#1
Runepune Retired Dormant Member Join Date: Aug 2009 Location: Akershus, Norway. Posts: 9	Eddystone 670A. I have this Eddystone 670A lying around in bits and pieces. This receiver is very tired in many ways - it's not a nice receiver to look at anymore. I also have a supply transformer that would deliver conservative voltages to it, so it's very tempting to plug it in for safety purposes first of all. Isolation from the mains and so on. Would hardcore Eddystone enthusiasts ''kill'' me if I modified this receiver with E-series tubes and a isolation transformer?

8th Aug 2009, 9:15 pm	#2
g4aaw pete Heptode Join Date: Jan 2008 Location: Birchington Kent, UK. Posts: 596	Re: Eddystone 670A. Good evening, I considered doing this with my Mimco R2232, which is really a rebadged version of the 670A. In the final event, after changing all the capacitors and reforming the electrolytics, I left valve configuration as original. I run the receiver via an isolation transformer and it performs adequately. I believe several thousand of these models were produced, so they’re hardly rare. If any alteration to the original can be reversed, purists are unlikely to take a dim view of modifications ! Regards Pete

8th Aug 2009, 9:28 pm	#3
Skywave Rest in Peace Join Date: Jun 2006 Location: Chard, South Somerset, UK. Posts: 7,457	Re: Eddystone 670A. If in doubt, ask the Q. here: http://uk.groups.yahoo.com/group/eddystone_radio_users Al. / Skywave.