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Are you playing the radio out of the cabinet for these tests? If so, remember that if there is a significant low frequency component to the audio, the speaker will rattle or bottom out on bass notes with no baffle. This will affect the amount of at least perceived distortion. Try cupping your hands around the edges of the speaker and see if some of the distortion goes away. Alternatively, you could cut a speaker sized hole in a piece of cardboard and set this in front of the speaker.
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RE: 90 restoration - by BrendaAnnD - 01-01-2014, 08:43 PM
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The list of my radio & TV collection!
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Hello Peter,
Thank you for posting that !!
Sincerely Richardradiorich — 09:40 AM |
Eico 232 VTVM Schematic
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It's a microwave antenna. ?;-p?. I substituted 1N4002s off the 6.3 vac winding for the 1.5 volt battery. Uniprobe is the...RodB — 05:50 PM |
Eico 232 VTVM Schematic
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Try BAMA for a schematic.
Looks like a replacement power source for the D battery has been installed. The tube may be...Chas — 04:51 PM |
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Is that a battery holder?morzh — 04:43 PM |
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A friend gave me this Eico 232 VTVM and I'm having trouble locating the schematic for it. This one seems to be a later v...RodB — 04:17 PM |
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Considering what it is in series with, I doubt there should be any power requirements. Of course, we should
know wher...morzh — 03:23 PM |
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Trim pot, about 1/2 watt part of focus divider. As stated 2k ohms.
This appears to be a rusty chassis, resolder all ...Chas — 03:19 PM |
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Its a Sylvania 400 oscilloscope. here is a clip of r-100. Would be nice to know the current required. Not listed in part...Martinj — 02:10 PM |
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Thanks Richard. I hope you enjoy it.
Here I have created an English section on the history of radio with videos in Engl...RadioSvit — 10:23 AM |
The list of my radio & TV collection!
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Hello RadioSvit,
first all happy new year !
I will watch your new videos this week.
Sincerely Richardradiorich — 09:19 AM |
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