Dave A Posted March 14, 2020 Author Share Posted March 14, 2020 1 minute ago, Jeffrey D. Medwin said: No, the multiple caps are in parallel. How would "I" simplify it? See my system . Right but that is for an Altec A7 with entirely different drivers. Are you saying that it is a universal crossover for all two way systems irregardless of the drivers? Quote Link to comment Share on other sites More sharing options...
codewritinfool Posted March 14, 2020 Share Posted March 14, 2020 Just now, Jeffrey D. Medwin said: There is only one soldering technique / method that works. Its a Weller D-550 325 watt gun, tip hot, 0.062 inch diameter solder, and no more than two seconds on the joint. What kind of solder do you use? Do you have any special tip-cleaning technique? Quote Link to comment Share on other sites More sharing options...
Dave A Posted March 14, 2020 Author Share Posted March 14, 2020 OK then how to I take what I see on your system crossover and apply it to these different drivers. Please be specific as if you will remember I started this thread to talk about the KPT-100 crossover which is the problem I am trying to solve today. Quote Link to comment Share on other sites More sharing options...
danalog02 Posted March 14, 2020 Share Posted March 14, 2020 1 minute ago, Jeffrey D. Medwin said: There is only one soldering technique / method that works. Its a Weller D-550 325 watt gun, tip hot, 0.062 inch diameter solder, and no more than two seconds on the joint. It's really hard to tell if you're trolling or just cluelessly obnoxious, so kudos on the web of confusion you've achieved. I have to tell you, if this is your sales pitch to convert us to the Church of the One-way Righteous Crossover, it leaves much to be desired. I've heard more convincing arguments from various cult-like religion folks coming to my door. Don't raise your voice, improve your argument. A schematic is a good place to start. And remember...caps lock is cruise control for cool. 3 Quote Link to comment Share on other sites More sharing options...
Edgar Posted March 14, 2020 Share Posted March 14, 2020 22 minutes ago, danalog02 said: Don't raise your voice, improve your argument. Oh, I really like that. Simple and concise. That's going into my stockpile of retorts. 1 Quote Link to comment Share on other sites More sharing options...
glens Posted March 14, 2020 Share Posted March 14, 2020 1 hour ago, Jeffrey D. Medwin said: One must KNOW what cap uF values play in what music ranges, when doing multiple bypassing. One must be sensitive to the quality of playback, in any given area, for any given uF value !! Formulas and math, need not apply !!! Math absolutely applies, Jeff. You're taking your "artful" experience bypassing inside an amplifier, where the impedance levels are much higher than in a loudspeaker crossover, and stating that the same values of capacitance will "cover the same musical ranges" when as a matter of FACT they absolutely CANNOT! Quote Link to comment Share on other sites More sharing options...
Edgar Posted March 14, 2020 Share Posted March 14, 2020 8 minutes ago, Jeffrey D. Medwin said: A 0.68uF covers in a loudspeaker crossover what it does in an amp. And the same applies to all the other typical uF values I might be using. Do you even know the relationship between capacitance, frequency, and impedance? Quote Link to comment Share on other sites More sharing options...
danalog02 Posted March 14, 2020 Share Posted March 14, 2020 1 hour ago, Edgar said: Oh, I really like that. Simple and concise. That's going into my stockpile of retorts. It's something my dad would always say when I started to get louder during a disagreement. Quote Link to comment Share on other sites More sharing options...
boom3 Posted March 14, 2020 Share Posted March 14, 2020 8 hours ago, Dave A said: 8 hours ago, Dave A said: 22 hours ago, boom3 said: The four lead box looks good for a PCB based crossover. OK could you tell me what that means? Printed Circuit Board. A four lead component can be mechanically more stable. The WIMA box caps are indeed very good and very popular with rebuilders of vintage guitar amps to replace Orange Drops, Black Beauties and the like 1 Quote Link to comment Share on other sites More sharing options...
Alexander Posted March 14, 2020 Share Posted March 14, 2020 Jeff, no math or science? How did we even get to have these components without them? Quote Link to comment Share on other sites More sharing options...
Edgar Posted March 14, 2020 Share Posted March 14, 2020 1 hour ago, Jeffrey D. Medwin said: Vaguely, but such things do not hinder me from trying and listening, as it does to you, and others. That is how and why, I can achieve results others will NEVER ever possibly get !! You shouId not do magic you do not understand! - The Indian in the Cupboard Quote Link to comment Share on other sites More sharing options...
glens Posted March 14, 2020 Share Posted March 14, 2020 1 hour ago, Jeffrey D. Medwin said: I can achieve results others will NEVER ever possibly get !! Of that I'm sure! Quote Link to comment Share on other sites More sharing options...
mike stehr Posted March 14, 2020 Share Posted March 14, 2020 Hunting for the Sonic Ghost Quote Link to comment Share on other sites More sharing options...
Dave A Posted March 15, 2020 Author Share Posted March 15, 2020 Jeffrey, I have my basic crossover layout done. Can you tell me if this looks right? 2 4 Quote Link to comment Share on other sites More sharing options...
Edgar Posted March 15, 2020 Share Posted March 15, 2020 28 minutes ago, Dave A said: Can you tell me if this looks right? Needs more solder. 1 Quote Link to comment Share on other sites More sharing options...
Dave A Posted March 15, 2020 Author Share Posted March 15, 2020 3 hours ago, boom3 said: Printed Circuit Board. A four lead component can be mechanically more stable. The WIMA box caps are indeed very good and very popular with rebuilders of vintage guitar amps to replace Orange Drops, Black Beauties and the like What I wanted to know was what the four lead thing was since capacitors I have used are two leads. Quote Link to comment Share on other sites More sharing options...
Dave A Posted March 15, 2020 Author Share Posted March 15, 2020 15 minutes ago, Edgar said: Needs more solder. Once Jeffrey blesses the design I can get busy soldering. Quote Link to comment Share on other sites More sharing options...
Dave A Posted March 15, 2020 Author Share Posted March 15, 2020 Great and I will start looking. I have solder and a heavy duty soldering iron on order and thanks for the tips. Quote Link to comment Share on other sites More sharing options...
Don Richard Posted March 18, 2020 Share Posted March 18, 2020 On 3/14/2020 at 4:10 PM, Jeffrey D. Medwin said: such things do not hinder me from trying and listening, as it does to you, and others. That is how and why, I can achieve results others will NEVER ever possibly get !! Sigh Quote Link to comment Share on other sites More sharing options...
ClaudeJ1 Posted March 18, 2020 Share Posted March 18, 2020 On 3/14/2020 at 6:02 PM, boom3 said: Printed Circuit Board. A four lead component can be mechanically more stable. The WIMA box caps are indeed very good and very popular with rebuilders of vintage guitar amps to replace Orange Drops, Black Beauties and the like Yes, mechanical stability is the key. I used to manage the Honda Design group where we did a "build to print" for Honda Accord Electronics. The Japanese insisted o Single Sided boards with stand up resistors (which were Axial Leaded resistors that had one lead bent 180 degrees that required us to invest in Universal Radial Lead Insertion equipment for their specific line in the plant). The bummer was that the meeting I attended at Universal Instruments HQ in New York state, was literally 100 feet away from McIntosh HQ in Conklin..........so close, yet so far away......LOL. This is why the "minimum etch/maxium copper" method of PCB design is used on Single Sided boards, since the "rivet effect" of plated holes of a double sided board is absent and there is full reliance on just the copper's adhesive (surface area driven) for mechanical robustness. In the same manner, 4 leads are more stable than just 2 on radial components. 1 Quote Link to comment Share on other sites More sharing options...
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