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DIY For Audio
Restoration of Philips B6X63A valve radio from 1956
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<blockquote data-quote="El Sid" data-source="post: 886572" data-attributes="member: 18550"><p>About a week ago, all caps done!</p><p><img src="https://i.imgur.com/qvNdW6i.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Hope I never have to look at these two drawings again..... (all highlighted components changed, plus about 10 more)</p><p><img src="https://i.imgur.com/TJMtkAA.jpg?1" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Also did the "immortal amplifier" diode mod on the rectifier valve. The diodes are very cheap...</p><p></p><p>Then I was in Moz for a week on a project, so couldn't fire her up until this weekend. <strong>Success!!!!!</strong> FM works, MW works, PU (= pickup = phono input) works:</p><p><img src="https://i.imgur.com/22QUOEC.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>(obviously you can't hear anything ;D ;D)</p><p></p><p>The magic eye didn't work, but I grabbed the one from the "spare parts" radio and it's working! A bit dull maybe, but still cool</p><p><img src="https://i.imgur.com/HUhLLLZ.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>So I am very chuffed. I still have some fiddling to do, as I think the bass is a bit boomy. I'll use the signal generator and scope to see if the frequency response is OK. But I should probably try the original speakers first. I'm not going to try align the FM and AM as I don't have the right equipment. Or the knowhow really. The last step then is to restore the cabinet and grille cloth.</p></blockquote><p></p>
[QUOTE="El Sid, post: 886572, member: 18550"] About a week ago, all caps done! [IMG]https://i.imgur.com/qvNdW6i.jpg[/IMG] Hope I never have to look at these two drawings again..... (all highlighted components changed, plus about 10 more) [IMG]https://i.imgur.com/TJMtkAA.jpg?1[/IMG] Also did the "immortal amplifier" diode mod on the rectifier valve. The diodes are very cheap... Then I was in Moz for a week on a project, so couldn't fire her up until this weekend. [b]Success!!!!![/b] FM works, MW works, PU (= pickup = phono input) works: [IMG]https://i.imgur.com/22QUOEC.jpg[/IMG] (obviously you can't hear anything ;D ;D) The magic eye didn't work, but I grabbed the one from the "spare parts" radio and it's working! A bit dull maybe, but still cool [IMG]https://i.imgur.com/HUhLLLZ.jpg[/IMG] So I am very chuffed. I still have some fiddling to do, as I think the bass is a bit boomy. I'll use the signal generator and scope to see if the frequency response is OK. But I should probably try the original speakers first. I'm not going to try align the FM and AM as I don't have the right equipment. Or the knowhow really. The last step then is to restore the cabinet and grille cloth. [/QUOTE]
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DIY & Tutorials
DIY For Audio
Restoration of Philips B6X63A valve radio from 1956
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