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I am currently using a Paradigm PDR-10 (I think that's the number). The plate amp has long since burned out. So I replace it with a Keiga KG5230 Subwoofer Amplifier. It sits external because it was too big for the opening. A tremendous upgrade right there!How are the drivers from those Paradigms?
Is it worth an upgrade to a "better" driver - under $300?
This is for low level classical music ONLY. No HT, No cranking Rap, low level classical!!!!!
Edits: 06/30/15Follow Ups:
Ed and Dick know more than I, but if you not wanting, you've already fixed it.
Otherwise, you could spend more getting it right than buying a new or used one that does what you think is lacking.
-Rod
Many of the less expensive, smallish box subwoofers rely greatly on the transfer function in the amp to actually make it work as a subwoofer.
Changing to the Kiega plate amp, may have broken that connection between amp and driver/enclosure.
Overall, I'd agree with your assessment though. Better to leave alone or start over with the plate amp and purchase a driver/enclosure combo.
Yeah, I hadn't actually thought about that. My subs have an EQ setup mode that actually works very well. It's not much of a leap the think that the original plate amp may have been tweaked.
-Rod
I believe the plate amp WAS the weak link. After the Keiger I had less interest in upping the $$$$$ of a subwoofer.
charles
Actually the original amp/driver sounded weak and "lazy". If that makes any sense??? And it had an annoying hump some where in the mid 40hz's that I was never able to get rid of.
With the Keiger amp it sounds much sharper, cleaner and better filtered. And darn if that hump went away as well. If any thing I was trying to tweak out the last 1% of my system. Believe it or not - I think I'm done!
Unless I win the lottery. Then it's LOOK OUT time!
thanks for all your replies.
charles
Driver you selected will not show its best in that enclosure.
Heres couple that are better suited to that enclosure, and are far better than the original unit (which is no slouch to begin with).
http://www.parts-express.com/dayton-audio-ts280d-4-10-titanic-mk-4-subwoofer-4-ohm--295-401
http://www.parts-express.com/dayton-audio-rss265hf-4-10-reference-hf-subwoofer-4-ohm--295-460
If you want to try it then your chances are better to at least know the parameters of the Paradigm driver and try to match them - both spec-wise and on the advice of the companies selling them who might know the character of the driver beyond the specs. I imagine you sort of did that but maybe not exhaustively. The driver you chose is expensive as those things go which means it is probably of inherent quality but not necessarily the best fit for your cabinet and amp - and "listening objective" - with which I mean you should get a driver more precision oriented as opposed to a "thumper"
My personal opinion is that front firing subs are better for music than downfiring, but this too depends somewhat on how high the sub duty needs to go in terms of frequency. Not sure what that Paradigm is
JaroTheWise
According to the specs on the driver page, you would need around 2cf
for vented and around .6cf for sealed.
With that Seas driver I would look at building a proper box for it.
If your carpentry skills are lacking, check out Parts Express pre-built cabinets.
For home use:
2.0 cubic feet with 3" diameter vent by 12" long for an F3 of 30Hz
____
"The blues ain't nothin' but a low-down shakin' chill. If you never had 'em, children, I sure hope you never will"
Eddie J. "Son" House
NO. Simply replace the whole sub w/ an REL!
nt
Dman
Analog Junkie
Far from a crap shoot as both companies that supply and the simpliest/free software helps to quickly and easily determine suitability.
And so many plate amps now have adjustments (contour, parametrics and variable boosts) that make it even less of a crap shoot.
That being said, the driver the OP picked will not show its best in that enclosure, but there are three that I found in matter of minutes that will work well and better than the original.
Of course. What I said was "I have not looked at them but you need to make that analysis." In other words, you have to know what you are doing and, as you rightly say, it is relatively easy to learn and apply the needed information.
Only if you are certain that the properties of the new driver are suited to the box you have. I have not looked at them but you need to make that analysis.
Frankly, if I was to consider buying such a driver, I would probably just build/buy the proper box for it.
So I should stick with the current driver/box combo. Assuming Paradigm maximized the box for this driver.
If I went with another driver just remodel a new box. And leave well enough alone with the Paradigm????
charles
...the woofer and box are optimized to work together. Leave well enough alone. Given your requirements, it doesn't sound like you need a sub that will blow the windows out of your listening room.
Please do not throw your cigarette butts on the floor. The cockroaches are getting cancer.
Thanks, that seems to be the most rational advice.
I'll keep the box and the Keiger amp as is. I'll spend some money else where.
charles
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