LFLISBOA
141 posts
Oct 14, 2022
12:08 PM
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Long time ago, I think Barbecue Bob (I'm not sure) presented a shematic of a box designed to match the impedance of crystal mics and tube amps.
Does anyone has this schematic or a clue where can I find it?
Thanks in advance
Luis
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rogonzab
1154 posts
Oct 15, 2022
2:52 AM
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That is called "buffer". You can set the impedance as high as you want.
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Sorry for any misspell, english is not my first language.
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arnenym
412 posts
Apr 25, 2023
1:32 PM
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You can download it here
https://1drv.ms/i/s!ArWlwbmOSY3rmL5cTmJETssgFoe_5w
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LFLISBOA
146 posts
Apr 26, 2023
7:52 AM
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@arnenym
Thank you, but I think that what I saw was a passive project, but thank you anyway
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