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Speaker Asylum General speaker questions for audio and home theater. |
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Speaker Asylum General speaker questions for audio and home theater. |
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In Reply to: About time for a Paradox Post! posted by Tromatic on July 31, 2002 at 09:48:02:
You did say, "Any tweaks, mods, stand, cable tips?"Well as many of you already know I have had some mods made to the woofers used in the Paradox-1's.
I spoke about them some in my forum at the harmonic discord: http://www.harmonicdiscord.com/forums/viewtopic.php?t=6600
I have been listening to a pair of Paradox-1's with the new woofer for a few days now. While much is still the same there are some clear cut differences that I really like.
If the P-1 was slightly to the forward side it is now slightly more to the laid back side. Overall presentation is more full bodied, more open, and more transparent.
I think there was still a hint of brightness before that is gone now. Part of this has to do also with a mod to the crossover network. I maximized the network to take advantage of the qualities of the new woofer, and the crossover point has been raised to 3,200Hz.
I noticed that a piano now sounded more real than before when performing an A/B listening comparison I did this morning.
Overall sound stage seams larger, and more involving. I find it hard to concentrate on subtle differences I may be listening for and getting drawn into the music. The response curve is no smoother than it ever was (flat), but they are smoother sounding and more easy to listen to.
Vocals are more full with the new woofer. They sounded a little to the thin side with the older woofer in comparison. Some of this also has to do with the better overall bass response of the new woofer.
Sensitivity is equal to before in the 700Hz to 1kHz range then the bass below that is up over a full db in an area that helps compensate for the baffle step loss of the 8" wide baffle. The response is a little stronger in the 2kHz and up region, with the new woofer, but is pulled down to the lower sensitivity level by the network.
See response measurement of the new woofer: http://www.gr-research.com/drivers.htm#gr130
I finally got the new info up on our site.
Now you guys are going to ask, what will it cost to upgrade to the woofer and new network?
Okay here is what it will in entail ...
Fortunately the inductor values remain the same, so there are no high dollar foil inductors to have to buy.
But, the cap values have changed and one cap has been added to the network that is in parallel with the woofer.
One resistor value has changed slightly too.
The tough part might be pulling out your old network to de-solder it and make the changes.
If you can re-use (and it depends on if you can de-solder it easily or not) the .1uF by-pass caps then the total for a pair of woofers, six caps and two resistors is only $64.00.
This does not include solder, heat shrink, or shipping charges.
How's that?
Danny Richie
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Follow Ups
- Tweaks, mods... - Danny 14:01:11 07/31/02 (2)
- Wow... - jonbee 16:47:44 07/31/02 (0)
- Re: Tweaks, mods... - Tromatic 16:47:39 07/31/02 (0)
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