General Electronics - Badcaps Forums
Electromagnet in Liquid Nitrogen
How to make an electromagnet attract items at a distance?
I?ve created an electromagnet using a steel rod, 7? in length, 3/8? in diameter, wrapping it with 36 AWG enameled copper wire (so there are a lot of wraps around the steel rod), all connected to a 9V battery. I?m trying to make the electromagnet pick up small staples/paperclips at a distance (up ...
Hi all, been along time audio and av enthusiast, recently purchased some technics cd players from around the 89/90 era, love the look of these, a SL-P999, and SL-P333, 999 works fine, unfortunately the 333 behaves erratically. Some discs it reads some it wont, some tracks on certain cd's it play ...
Weird solenoid problem
Hello. I'm fixing a Grundig CF-5500 deck, and facing a weird problem with the pinch roller solenoid:The unit has 2 solenoids, one to lift the heads, another to press the pinch roller (when in "pause", the heads stay up, and the pinch roller solenoid disengage).The problem I'm having, afte...
Wattage / Decibel relation
A lot of people relate the "loudness" of a drive to wattage. Wattage (power handling capacity) has little to do with decibels it would seem. It's common sense that the higher the wattage the stronger the pull would be in the voice coil electromagnet... but a lot of these drivers handle insane amo...
Linaeum Tweeter fix, anyone interested?
I've dissected one of these buggers, that didn't produce sound, and discovered not only why it stopped working, but also how they work. As to how they work, this must be published somewhere, I just haven't had much luck finding anything. Anyway all it is are 4 sets of film attached to the outside...
Hello, i am the mid of creating a magnetic motor that produces some electrical power. I ve seen so maany videos, websites etc. I ve made an electromagnet also and i am searching and designing my motor. Is there anyone who has done this already? Can anyone tell me what he did exactly so i cna calc...
Plz school me on vintage doorbell wiring
So my Mom calls and tells me her doorbell is out. Her house was built in the late 1970s and the doorbell is one of those that uses electromagnets to activate the klangers. It goes 'ding-dong' when you press the front doorbell and just 'ding' when you press either of the other two. Or at least ...
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