Re: SB-1000
Great Post thankyou, I recently ordered a replacement tune cap for my sb-220 from RF Parts, should be here soon.
I am wondering what the current Tariff situation will do to amp parts pricing, we will
By
Adrian Fewster
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#41157
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SB-1000
I own a Heathkit SB-1000. Have not had it to long, just a few months. Had a few issues and just wanted to share them and what I did to fix them.
one day on 80M I think I hit a bad something. Bad tune
By
KG2RG
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#41156
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Re: Commander HF-2500 meter lamps and HV PS
Jim, VE7RF,
that is a boatload of FB info!!! I had not had a chance to respond but have read it twice and may need to read it a few more times and drill it in. Thank you!!! Great contribution to me
By
KG2RG
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#41155
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AL-80A tx led removal
Is there a way to remove the red tx led without taking off the front panel?? I cannot see in the back because of the large filter caps.? TU ..Bill
By
Bill K3HZP
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#41154
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Re: CTR Engineering/W8JI Response?
Tom is great. Just email him again
By
KG2RG
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#41153
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Re: Commander HF-2500 meter lamps and HV PS
Yeah. Weird.
It printed out fine here.
"Email me at gudguyham@.... Lou"
Alek VK6APK
By
Alek Petkovic
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#41152
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Re: Commander HF-2500 meter lamps and HV PS
Ok, thanks. I just emailed you Lou
By
KG2RG
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#41151
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Re: Commander HF-2500 meter lamps and HV PS
Whoops @aol.com. Sorry
Sent from the all new AOL app for iOS
By
Louis Parascondola
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#41150
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Re: Commander HF-2500 meter lamps and HV PS
Come to think of it... if your ISP won't display A O L dot com, then it
may not even allow you to e-mail to A O L dot com.
--
See my QRZ.com page at *https://www.qrz.com/db/K0XP*
By
Steve
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#41149
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Re: Commander HF-2500 meter lamps and HV PS
"That" was supposed to be "at A O L dot com" without the spaces. Your
ISP probly doesn't like the A O L part and removed it.
Steve K0XP
--
See my QRZ.com page at *https://www.qrz.com/db/K0XP*
By
Steve
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#41148
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Re: Commander HF-2500 meter lamps and HV PS
gudguyham@.... Lou.
what is that??? ? Not an email?
By
KG2RG
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#41147
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Re: Commander HF-2500 meter lamps and HV PS
Email me at gudguyham@.... Lou
Sent from the all new AOL app for iOS
By
Louis Parascondola
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#41146
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Re: Commander HF-2500 meter lamps and HV PS
Plate load Z? =? loaded B+ / (1.8 x? DC plate current).
On all those old amps, the higher voltage was always 41.4 % higher than the lower B+ setting.? ?The DC plate current was 41.4%? higher,
By
Jim VE7RF
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#41145
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Re: Building HF Amp
Hello Lawrence.
I understand your "old-school" project.
My Radio Amateur's Handbook, the only one I have, is from 1965. I bought it in London when I was a kid. It really inspired me.
You
By
Fran?ois
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#41144
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Re: Building HF Amp
Francois,Yes, the 3B28's and a resonant choke filter makes things complicated.? The HV power supplies as far back as the '66 Handbook use silicon diodes in a voltage doubler, capacitor input filter,
By
Lawrence A Lobdell Jr
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#41142
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Re: Commander HF 2500 meter bulbs
I think I want to mount an ?LED strip right across the top of the meters and wire it to the 12V rail on the meter board and ground.
But what I really would like to do is run 2 LED strips, 1 red and 1
By
KG2RG
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#41141
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Re: Commander HF 2500 meter bulbs
On my SB-220, I have a standby switch and I have the plate meter lamp turned off in standby and turns back on in operate.
I wonder if there is a ways to put 2 sets of strips, 1 green and one red.
By
KG2RG
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#41140
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Re: Commander HF-2500 meter lamps and HV PS
Lou, can you email me. I’m interested in one of those boards for a future fun project. My Email is good on QRZ.
I’ll also try and see if I can private message you here. Not sure how that works but
By
KG2RG
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#41139
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Re: Commander HF-2500 meter lamps and HV PS
Yes I still have a couple 2500 power supplies.
Sent from the all new AOL app for iOS
By
Louis Parascondola
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#41138
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Re: Commander HF-2500 meter lamps and HV PS
Thank you Bill
Sent from the all new AOL app for iOS
By
Louis Parascondola
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#41137
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