| Re: I went back to the "right x-over" and lost something [message #46682 is a reply to message #46681] |
Sun, 10 April 2005 06:47   |
Russellc
Messages: 397
Registered: May 2009
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Illuminati (1st Degree) |
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I know you've checked this already but After hours of fiddling sometimes it is possible to have mis wired something. Altec drivers are also very phase dependant, try reversing the 902 leads in relation to the bass. They are also very picky about absolute phase, try reversing both the main speaker leads to your speakers. some phono sections may invert phase in relation to the line stage, and reversing the leads to both speakers is required to restore the air. I don't know what "woofer cap" you removed, but perhaps that changed the phase relation ship between the woofer and high end, giving a miss match at crossover frequency. As to the shrillness, I have heard others complain of this when replacing the original altec cross overs caps with modern film caps. I still use the original 501 8b crossovers in my altecs, with crossover at 500hz, which i myself have always prefered to the higher crossover point. I know the model 19 was around 1200 hz or so, but I (and many other altec fans) prefer 500 HZ.
While I have not tried it myself, the end all way to crossover altec is electronically. EVERYONE I have disscussed this with says this brings unbelieveable improvements in altec drivers, beyond what would normally be expected.Russellc
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