Thank you guys for the recommendations and tips. Yes, crossover is biased...
Type: Posts; User: jlwitherell; Keyword(s):
Thank you guys for the recommendations and tips. Yes, crossover is biased...
Thanks Grumpy! So glad to have these out of the shop ;) Even happier to be listening to them!!
Well, well over a year later I finally found some time to finish these puppies up. Just got them up and running and sound great right out of the gate.
I need to figure the best way to test/tweek...
Hahaha, you are right!!
That's what I was thinking, well, they're sending me ones that presumably read 8 ohms. But I guess I'm still not sure if this is correct for the crossover schematic and an 8 Ohm L-Pad (the crossover...
Running into some confusion regarding the 2420 driver. Was ordering some radian replacement 8ohm diaphragms from parts express, when received they measure 3.9 and 4 oHm respectively. I do see that...
I totally get it. I've read somewhere that "close counts" when it comes to cap/inductor values, but I'd do the same thing and just make it right :)
Thanks for clarifying. Man, that's a bummer, these networks are challenging and time consuming (and large) enough as it is!!
Ok, thanks - I guess I'll run them! Thanks Odd.
I know, but my plate is hard plastic and, although I didn't try, it seemed that it'd be too difficult to get them installed correctly into the material. I figure no biggy, just have to remove woofer...
I was going for the industrial look? ;) Yeah, when drilling them I figured it may be overkill. Ah-well, if the worst mess up is having to unscrew/screw a couple extra bolts when needing to remove the...
Cpl more pics.. Getting going on the divider network
Ok, another newbie question. Anyone have a good link to good 3mOhm resistors? I picked some up locally but the leads are hair thin and I'd like something a little more robust if possible. Martin's...
I don't know what you mean by "lone protection cap in the M2," lol. I told you I don't know much ;) I take it you don't agree (with previous linked article) that using the rectifier to amp approach...
Not sure that I'm sold on the diode method, if I wanted easy, I probably wouldn't be building these in the first place - not to mention I have to get the girlfriend to let me put these in the family...
Thanks, forgive my limited knowledge. Is this right: The "R101" is the 10 k Ohm resistor which is 1/4 watt metal/carbon in series with the diode? where does the other terminal on the diode connect,...
Whoa back the truck up! I haven't heard this before. Can you explain a little more? Where does the charging come from and how would these be connected??
I've read for charge coupled designs that anywhere from 2-6 Mohms is OK. For the crossover below, looking at the 2421 circuit, there are 3 spots where the 3Mohm resistors will be placed. To me it...
But what about the resistance change being in a parallel circuit (admittedly, within a crossover network I don't know how this actually would measure out). But, in true parallel the total resistance...
Progress is still being made, I'll get some pics up shortly but coming up on a couple more questions:
1) As far as tuning; it appears original 4344's were tuned somewhere around 30hz or so (Anyone...
LOL, nice, that's who I ended up getting the knobs from! Thanks Grumpy & hjames. Also, Grumpy - thank you very much for the single resistor failure scenario, that is exactly what I was looking for......
Thank you Odd!
I couldn't find Knob replicas searching around the internet, all I was able to find were the knobs that don't recess like old JBLs do. But, I found a guy on EBAY who makes them out...
JBLP: Thanks man! your project has been much more than just helpful. I've found a fair bit of extra time lately, it's been fun ;) Getting excited to hearing these! I'm hoping to have them running...
Hey guys,
Trying to get finished up on my new build and am stuck on a few items (being a bit of a newbie):
1) Anyone know where to source some L-Pad knobs like original JBLs? And/or, does...
Thanks again for your time Grumpy. I should have clarified more about the crossover. Yes, that is what I'm building, but, since I'm using an electronic x-over to bi-amp, all items in the dotted lines...