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In Reply to: RE: Suggestions for small high eff tweeter posted by sanman on April 16, 2015 at 08:54:25
With my Altec Duplexes. First order XO, very high (like 10k Hz high) -- and an L-pad to, well, you know, pad it to just the right amount of sparkle. Best I've done to date to extend the HF of a pair of 604Es unobjectionably (is that a word? The spell-check doesn't think so)
... oh, and boutique, audiophile clip leads, too... of course ;-)
all the best,
mrh
Follow Ups:
What model are those? I use the T-900 which I really like!
I'm listening to: Holland by The Beach Boys
Thetubeguy1954 (Tom Scata)
Central Florida Audio Society -- SETriodes Group -- Space Coast Audio Society
Full-range/Wide-range Drivers --- Front & Back-Loaded Horns --- High Sensitivity Speakers
Do not walk! Do whatever you can to replace the L-pad with decent resistors ASAP!
They suck!
I tend to move a little slow...
I am not unhappy with what I am hearing, so I am not in a huge hurry (even though my plan has long been to do just that).
Fortunately I think the system's rescued by synergy between the cheap L-pad and the audiophile clipleads.
;-)
all the best,
mrh
Technically that is a variable L-pad and if you replace that with resistors you have a fixed L-pad.
It is called an L pad because the two resistors needed form an L shaped circuit around the driver. There are also T pads, C pads, H, Pi and Box pads, all named after the shape the form in the circuit diagram. They are all types of attenuating or filtering circuits which keep the impedance as seen by the amp the same.
Interesting, I did not know that and assumed it meant loudness. Anyway, i assume you guys don't use tone controls?
"When the demon is at your door, in the mornin' it won't be there no more"
Steely Dan
My speakers are active and I just use the gain controls on the crossover or the amps so no need for pads or tone controls.
...use a Fostex L-Pad! IMO better than the cheap ones, but composite(resistors) are best
. The "decision maker" for me was convenience in exchange for sacrificing a little sparkle. There are some recordings or music genre where I want to have the HF a bit hotter than what my current adjustment have, and it will be difficult switching discrete resistors for that every time I want to adjust it.So I choose the L-Pad from Fostex.
Edits: 04/20/15 04/20/15 04/20/15
IS it this one? They're the same bad sounding devices as the 8.00 jobs but at 4 times the price. If so, get rid of it now.
I spend over a year wrangling with my tweeters and once the L-Pad was replaced with resistors the sound was greatly improved.
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