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Multi-Way Conventional loudspeakers with crossovers

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Old 30th December 2003, 08:44 AM   #191
Doug is offline Doug  Canada
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Default Re: doug

Quote:
Originally posted by lieven
those are Ti250 classic edition, 4435 and 4343 with alnico's original grey (economic version) but painted in piano black now.

No filter changes, only bypassed all attenuation knobs(horrible) by fixed resistors and bridged switches by wire.

4343 is ok with accuphase 405 but the filter needs some modification with most amps because of ssssss.

also some diy-stuff coming up soon.
If I remember correctly, the 4435's used the 2214-H bass drivers.




Thanks; Doug
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Old 31st December 2003, 01:36 PM   #192
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no Doug perhaps a typo, but woofers in my original 4435's are 2234H.
http://www.jblpro.com/pub/obsolete/443035.pdf
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Old 1st January 2004, 05:39 AM   #193
Jhovis is offline Jhovis  United States
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Serow,
Wow! Your receiver is a blast from the past. I believe that is a Sansui R70. I had one of those in college over 20-yrs ago. I saw the picture and just had to post. That brings back a lot of good memories.
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Old 2nd January 2004, 04:14 AM   #194
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Diy 3-way bi-amped towers
Quest center and surround speakers
Hitachi Ultravision DVD player
Kenwood VR-407 for upper range and surround speakers
BGW 8000 power amp for lower range
46" HDTV Hitachi television
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Old 2nd January 2004, 10:23 AM   #195
Doug is offline Doug  Canada
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Default JBL's

Quote:
Originally posted by lieven
no Doug perhaps a typo, but woofers in my original 4435's are 2234H.
http://www.jblpro.com/pub/obsolete/443035.pdf
Sorry Lieven, it wasn't a typo but an error on my part. The 2214-H 12" drivers were used in the 4425 LR monitors. They look the same but are a smaller monitor than the 4435's.

http://www.jblpro.com/pub/recording/4425.pdf

I actually have a pair of 2214-H's LF drivers, brand new, still in the box under my desk for over a year now and have been wanting to do something with them. I was always a JBL Pro fan back when the 4435's were in but could never afford them then. How do they sound after all these years compaired to the new stuff?

Hapy New Year;

Doug
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Old 2nd January 2004, 11:17 AM   #196
michael is offline michael  Australia
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DPW666, may i ask wht drivers you have in your main speakers, they look lie AV12s in the bottom and vifa D26 tweeters but cant see te mids clearly, what are the and what are all your XO points..
very nice by the way.
regards
michael lane
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Old 3rd January 2004, 05:24 PM   #197
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Hi Michael

You were right on the tweeters. They are Vifas D26. The mids and subs are made by the same canadian company. You can see the subs and specs at www.maxspeakers.net . Look for the Caliber series. I have the 12" 4ohm model. You wont find the mids on the website but they are very good quality with an aluminum bullet dome. Tweeter is cut at 3400hz midrange at 500hz and sub has no crossover since the power amp already has a lowpass filter set at 500hz. The box is made out of 1"mdf. We cannot see well on the pictures but the edges are rounded. Is finished with those rolls of vinyl that looks like real veneer and gives a "store bought" look. Total volume of box is 2.2 ft cubic with a rear 4" x 8" port giving me about a 38hz tune but I don't remember well. I should redo a simulation in winisd.
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Old 3rd January 2004, 05:36 PM   #198
KBK is offline KBK  Canada
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Default Re: System Pictures & Description

Quote:
Originally posted by Serow
I. Currently, I'm using two Sansui amps; one for the speakers and a second for the stereo subs seen under the desk. Cheers,
Eric

That looks like a Sansewage R-70.

It has a few minor flaws. Like all the Nikko power amps, it has a glaring flaw: replace the servo/feedback op amp and associated PS and signal coupling components. Then it really clears up and sweetens up.

There is an op-amp in the power section of the R-70. I swapped it out to a TL-072 and then changed the PS buffer caps right at the op amp,and then the signal coupling caps. I used os-con for both caps swaps,as speed is what is required here!. big differenc in the listenability of the amp.
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Old 5th January 2004, 05:10 PM   #199
paulj is offline paulj  Australia
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Default My System Pictures & Description

Here's a picture of my main system - a Cambridge Audio A500 integrated amp and D500SE CD player (interconnect Audioquest Topaz), feeding Monitor Audio MA-202 floorstanding 2-ways and Mirage BPS-150i subwoofer.

Note Beatles shrine on/near right hand speaker!
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Old 5th January 2004, 08:34 PM   #200
SimontY is offline SimontY  United Kingdom
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Hi,

I'm slightly ashamed to show my system, because its all such a mess!! I never finish anything, as long as it sounds good, but surely one day I will find the motivation to paint the speakers...

Seen in the pic is:
amp - Roksan Caspian (with added psu caps)
cdp - Marantz CD63ki with new opamps, clock, damping etc..
speakers - Seas Pontus kits (x-overs are becoming external, as seen!)
cabling - Kimber 4PR and 4VS (internal) and Crystal-Cu IC
mains - iso. transformer for amp, cap filter, stripped out Belkin w/braided cord

Not in pic - ported 250l Tempest sub (~20-50hz), cinema stuff...

The sound: finally quite happy, because rewiring with Kimber has removed the harshness I suffered. There is just a slight richening and over fatness at the bottom end, but that's ok
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