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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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Help identifying these resistors from a speaker crossover
Help! my tweeter on my expensive speaker is silent. These resistors are
sticking out of the potted crossover and I'm hoping that replacing them will get things back in order. Here is a link to a picture of the resistors. Click on the picture to enlarge it. http://homepage.mac.com/vhuang/resis...toAlbum18.html A source for these components or a suggestion for alternate would be great. I'm in the San Francisco area, plenty of electronics stores. |
#2
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Help identifying these resistors from a speaker crossover
"VH" wrote in message oups.com... Help! my tweeter on my expensive speaker is silent. These resistors are sticking out of the potted crossover and I'm hoping that replacing them will get things back in order. Here is a link to a picture of the resistors. Click on the picture to enlarge it. http://homepage.mac.com/vhuang/resis...toAlbum18.html A source for these components or a suggestion for alternate would be great. I'm in the San Francisco area, plenty of electronics stores. Those aren't resistors. Maybe some sort of self-resetting circuit protector. Mark Z. |
#3
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Help identifying these resistors from a speaker crossover
Mark,
Thanks. I'm hoping that whatever is sticking out of the potting is the part that is the least robust and most likely part to need replacement if the speaker gets driven too hard. I'll call the mfg. tomorrow. I've heard of resistors getting blown and needing replacement with these speakers so that's what I assumed they were. Mark D. Zacharias wrote: Those aren't resistors. Maybe some sort of self-resetting circuit protector. Mark Z. |
#4
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Help identifying these resistors from a speaker crossover
I think they are resistors. I found the manufacturer..Caddock high
performance resistors. Can't find these part numbers (MDN0178 and MDN0509) on their webpage but I'll call them tomorrow. |
#5
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Help identifying these resistors from a speaker crossover
They are resistance with 1% tolerance, take your speaker to electronic shop
and do resistance measurement test, it seems 4.2 OHM resistor is burned.( OPEN ). Check your Non-Polar Electrolytic capacitors too with ESR meter. Cyrus® |
#6
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Help identifying these resistors from a speaker crossover
"Cyrus®" wrote in message news:17_6f.3276$UF4.3124@fed1read02... They are resistance with 1% tolerance, take your speaker to electronic shop and do resistance measurement test, it seems 4.2 OHM resistor is burned.( OPEN ). Check your Non-Polar Electrolytic capacitors too with ESR meter. Cyrus® I was wrong again, eh. Never seen resistors like this, though. We live and learn. mz |
#7
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Help identifying these resistors from a speaker crossover
In article .com, "VH"
wrote: Help! my tweeter on my expensive speaker is silent. These resistors are sticking out of the potted crossover and I'm hoping that replacing them will get things back in order. Here is a link to a picture of the resistors. Click on the picture to enlarge it. http://homepage.mac.com/vhuang/resis...toAlbum18.html V.H.- The 3.20 resistor is connected on the right side to a terminal that appears to have two other wires connected. The 3.20 appears to be the one on the bottom of the stack. Many times I've seen a similar situation where the one on the bottom did not get soldered. At first it works because the wire is touching the terminal, but over time an open connection develops. Fred |
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