Jim Cornell Posted July 12, 2003 Share Posted July 12, 2003 2 weeks ago my last purchase was 2 K-77-M tweeters! My K-horns have K-77-M alinco, these are mud! Should i swap them out or just sell the Muds? If anyone needs tweeters ill more than likely sell the K-77-Ms, i paid $120.00 plus shipping making it $131.00! E-mail me Regards Jim Quote Link to comment Share on other sites More sharing options...
Jim Cornell Posted July 12, 2003 Author Share Posted July 12, 2003 Here a pic of the K-77-Ms Jim Quote Link to comment Share on other sites More sharing options...
ZAKO Posted July 12, 2003 Share Posted July 12, 2003 The voice coil does not pass through the magnet but through the TOP PLATE. & cuts across FLUX in gap. If any one says they can hear between magnet types they are a bunch of MORANS. Consistant flux strength in the gap & keeping voice coil from heating. could cause magnet to weaken if abused. Quote Link to comment Share on other sites More sharing options...
ben. Posted July 12, 2003 Share Posted July 12, 2003 A bunch of marons? morans? oh....morons. Quote Link to comment Share on other sites More sharing options...
JohnA Posted July 12, 2003 Share Posted July 12, 2003 No, .... Maroons! I cannot hear the difference between the K-77 and a K-77-M on normal program material, but some might. I might on unusual synthesizer music. Quote Link to comment Share on other sites More sharing options...
ZAKO Posted July 13, 2003 Share Posted July 13, 2003 Dont take my name in vain I will smyth the. Quote Link to comment Share on other sites More sharing options...
JohnA Posted July 13, 2003 Share Posted July 13, 2003 LOL!!! Oh Jim, The K-77-Ms are not AlNiCo. Your picture is of the -M "mud" version. What year are your horns? The switch to the K-77-M was in '78 or '79 or so. The difference in about 3 dB above 10 or 12 kHz. Quote Link to comment Share on other sites More sharing options...
Daddy Dee Posted July 14, 2003 Share Posted July 14, 2003 Jim, John, Maron, Just wanted to check out a couple of things to make sure I'm tracking on this discussion. Jim, you replaced the older alinco K-77's with the K-77-M (w/square ceramic magnet) and found them to be mud? Just unsatisfactory? That's interesting. I've got some stock of both and have been using them interchangeably w/o alot of A/B comparison, pretty much assuming I couldn't hear a difference. Is there the thought here that this particular pair of K77M's have been driven so hard they don't sound right, but have not completely failed? The price Jim paid was, it seems to me, better than they sometimes sell for on Ebay. Appreciate your feedback on this. best regards, Dee Quote Link to comment Share on other sites More sharing options...
fini Posted July 14, 2003 Share Posted July 14, 2003 Dee, The term "mud" refers to the construction of the magnet (made from a slurry, hence "mud"). I don't think Jim's using it to describe the sound. fini Quote Link to comment Share on other sites More sharing options...
Jim Cornell Posted July 14, 2003 Author Share Posted July 14, 2003 My 75 K-horns have alinco, and im keeping them stock, what i was really asking does anyone want to give me 120.00 i paid for these tweeters! Regards Jim Quote Link to comment Share on other sites More sharing options...
ZAKO Posted July 14, 2003 Share Posted July 14, 2003 Some times magnets can be weak & flux across gap will not be up to full strength. This will effect sound & out put. You can get it re gaussed if thats what it needs. Quote Link to comment Share on other sites More sharing options...
Tony Reed Posted July 14, 2003 Share Posted July 14, 2003 What is "re gaussed"? I have some K77's that seem a bit weak to me. Could it be that they need to be "re gaussed"? Thanks, Tony Quote Link to comment Share on other sites More sharing options...
ZAKO Posted July 14, 2003 Share Posted July 14, 2003 GAUSSED.... Magnetized to a specific strength so that flux levels across vc gap are up to propper strength measured in Maxwells /Gauss. Quote Link to comment Share on other sites More sharing options...
Tony Reed Posted July 14, 2003 Share Posted July 14, 2003 OK... so where would someone start if you wanted to get a pair of tweeters regaussed? Thanks, Tony Quote Link to comment Share on other sites More sharing options...
BEC Posted July 14, 2003 Share Posted July 14, 2003 I have a business relationship with a place that can re-magnetize alnico magnets. Alnico magnets supposedly lose a small amount of strength every year or can lose a lot by being dropped. I have never had them re-magnetize any of them for me, but the service was offered. That being said, the question might be "Do you risk losing more magnetism than you gain by handling in shipping?" Bob bcrites@cswnet.com Quote Link to comment Share on other sites More sharing options...
Jim Cornell Posted July 14, 2003 Author Share Posted July 14, 2003 If anyone needs tweeters, ill sell these K-77-Ms for the 120.00 i paid for them! Just keep me posted, my alincos work fine, i just got these as backups! Regards Jim Quote Link to comment Share on other sites More sharing options...
Manuel Delaflor Posted July 15, 2003 Share Posted July 15, 2003 Jim, where are you located, anywhere near to Connecticut? Quote Link to comment Share on other sites More sharing options...
Jim Cornell Posted July 15, 2003 Author Share Posted July 15, 2003 Im in Colo Jim Quote Link to comment Share on other sites More sharing options...
Jim Cornell Posted July 15, 2003 Author Share Posted July 15, 2003 I think they were just taken, ill keep you posted! Jim Yep, sorry guys there gone! Regards Jim Quote Link to comment Share on other sites More sharing options...
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