Part of the skill was that the radio, matching HP23 PSU, speaker & microphone all came from different sellers in different countries. The 11-pin connector lead between the PSU & the radio was made from a kit of parts from the 'states & has to be configured for the individual radio as required in the manual (that came from Germany). Then, after some service work changing capacitors you have the thrill of getting it on the air & people saying it sounds great! Mind you, it all stands me at around £400. I would have been 4 when that radio was built in 1966! Richard
It's a good time to do it as it is all done online because of lockdown & no club visits possible. Never been easier to get into I know that other hams will be more interested in this & similar vintage radios in use, than swanning around with a new £10K setup. Richard
12BY7 I think is a medium to low gain pentode valve, the "A" valve is backwards compatible, now I am racing towards what I know about valves. I must have had to replace one in the past. Now what was the two in TVs that kept going and had to be replaced? My memory is not what it used to be!
Thanks Nick, Radio from Preston (collection only) PSU from LEicester (collection only) mike , ebay, scarey price Speaker ebay USA scary post manual ebay Germany 11pin Ampheonol lead kit parts , USA scary price Now, I wonder when that radio was last on the air! T21
A great pity that you can't get the Heathkit radios new any more, great projects with really good performance. Looking forward to more Heathkit videos in the future. Nice one Richard.
I think it's a HW101 multiband transceiver next. Just need to make up an 11-pin Amphenol lead (from a £40 USA kit). It's all wll & good seeing 11 pin Amphenol leads on Ebay (for even more money), but you still need to check which wire goes where as each radio is different in it's power requirements from the Heathkit HP23 power supply...that also needs to be configured. Furthermore, Identical looking cables are used to connect Hammond organs to Leslie Speakers! Richard
Hi Richard, did you have to perform a neutralization of the output valves as part of the alignment procedure? Was hoping to see this. I just finished recaping my HW100 an rebuilding my HP-23 after sitting for almost 30 years. Seems to be working great, but I want to complete the restoration with an alignment now.
Well I did the alignment as the manual said but of course used the signal generator to get the rx spot on. I don't remember anything about that in the manual. I'll see what the manual says. Richard
I've just downloaded the HW100 manual & it says about neutralization on P118. I don't remember that on the HW12A...but then it was a couple of years ago. Richard
being an Amateur i'd have thought you had made a 250w load or bigger using those slab resisters.. should have said i've a few 250w loads and a 1kw load here sounds a decent set, i need to get my 101 hooked back up, but i use it mostly on CB :) nice to hear the CBers tuning up on 80m..
Really interesting Richard thank you.
Part of the skill was that the radio, matching HP23 PSU, speaker & microphone all came from different sellers in different countries. The 11-pin connector lead between the PSU & the radio was made from a kit of parts from the 'states & has to be configured for the individual radio as required in the manual (that came from Germany). Then, after some service work changing capacitors you have the thrill of getting it on the air & people saying it sounds great! Mind you, it all stands me at around £400. I would have been 4 when that radio was built in 1966!
Richard
@@ukfmcbradioservicingTango21 makes me what to get my Ham licence now
It's a good time to do it as it is all done online because of lockdown & no club visits possible. Never been easier to get into
I know that other hams will be more interested in this & similar vintage radios in use, than swanning around with a new £10K setup.
Richard
12BY7 I think is a medium to low gain pentode valve, the "A" valve is backwards compatible, now I am racing towards what I know about valves. I must have had to replace one in the past. Now what was the two in TVs that kept going and had to be replaced? My memory is not what it used to be!
Sounds great
Nice job Richard. 73 de Mr Cutters.
Thanks Nick,
Radio from Preston (collection only)
PSU from LEicester (collection only)
mike , ebay, scarey price
Speaker ebay USA scary post
manual ebay Germany
11pin Ampheonol lead kit parts , USA scary price
Now, I wonder when that radio was last on the air!
T21
A great pity that you can't get the Heathkit radios new any more, great projects with really good performance. Looking forward to more Heathkit videos in the future. Nice one Richard.
I think it's a HW101 multiband transceiver next. Just need to make up an 11-pin Amphenol lead (from a £40 USA kit). It's all wll & good seeing 11 pin Amphenol leads on Ebay (for even more money), but you still need to check which wire goes where as each radio is different in it's power requirements from the Heathkit HP23 power supply...that also needs to be configured. Furthermore, Identical looking cables are used to connect Hammond organs to Leslie Speakers!
Richard
@@ukfmcbradioservicingTango21
i used to have a HW-101 one of my first legal HF sets..
worked really well, a cracking boat anchor.
Hi Richard, did you have to perform a neutralization of the output valves as part of the alignment procedure? Was hoping to see this. I just finished recaping my HW100 an rebuilding my HP-23 after sitting for almost 30 years. Seems to be working great, but I want to complete the restoration with an alignment now.
Well I did the alignment as the manual said but of course used the signal generator to get the rx spot on. I don't remember anything about that in the manual. I'll see what the manual says.
Richard
I've just downloaded the HW100 manual & it says about neutralization on P118. I don't remember that on the HW12A...but then it was a couple of years ago.
Richard
@@ukfmcbradioservicingTango21 Surprising if the HW12A doesn't require this step... Now I'm interested. Cheers!
@@derrickbaranowsky5715 The HW12A isn't as high power so that could be the clue. Anyway, if you'rs doesn't self oscillate it must be set right.
@@ukfmcbradioservicingTango21 Yes, I thought about the power, however a Tram D201 is a 4 watt radio yet the TX must be neutralized.
Lovely radio. I'm surprised on how stable it is, unlike my Realistic DX-100L receiver.
It appeared to be working well for an old valve set and British made I think.
being an Amateur i'd have thought you had made a 250w load or bigger using those slab resisters..
should have said i've a few 250w loads and a 1kw load here
sounds a decent set,
i need to get my 101 hooked back up, but i use it mostly on CB :)
nice to hear the CBers tuning up on 80m..
It's a business purchase Mark & therefore tax deductible.
Richard
@@ukfmcbradioservicingTango21 should have said though, i could still lend you one if you get stuck..