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-   -   Poor manís WR125? (http://www.diyaudio.com/forums/full-range/67282-poor-man-s-wr125.html)

rick57 4th November 2005 03:57 PM

Poor manís WR125?
 
Hi
I was about to get some WR125s to make two single speakers to vastly increase the sound quality of a TV, and a micro-stereo, which I could alternatively use for a good bedroom system pair.

Then I thought - I donít need much volume, nor (for TV anyhow) quite the quality that you do for music listening. (Plus thereís a restructure now on at work and I could be without income).

So XBL2 aside, what is a good full ranger thatís say half their price?

Thanks

MPM 4th November 2005 04:32 PM

http://www.zaphaudio.com/audio-speaker18.html

http://www.partsexpress.com/pe/pshow...=297-427&DID=7

Good price and good sounding.

rick57 4th November 2005 04:55 PM

Hi MPM

I'd earlier put this one aside because of its low 80 dB sensitivity, but maybe that's enough. The design article is good, thank you.

I looked at the 4-5 off Tangbands, but only one of them may be better, and it's twice the price and (nominal) 4 ohms.

Have you heard this/ anyone compared to Tangbands?

Josephjcole 4th November 2005 05:29 PM

http://www.partsexpress.com/pe/showd...number=264-846
http://www.partsexpress.com/pe/showd...number=264-820

If 4ohms is a problem I would go for one of these. I built a home theater setup using the w4-656SB and it gave a clean crisp sound. Not the naturalness of my fostex 108, but at a quarter of the price and a larger power handling... not bad. I'm working on a pair of speakers using the W4-1320SB. It certainly looks to be a nice driver, and I have I hopes, but I haven't done enough listening to tell you more.

these mods really help out the w4-656SB as well:
http://madspeaker.com/Projects/4-656/656Sgluemod.htm

Joe

MPM 4th November 2005 08:00 PM

Quote:

Originally posted by rick57


Have you heard this/ anyone compared to Tangbands?

A friend built a pair for his desk. Pushed them with an SI T-amp. I was impressed.

rick57 5th November 2005 12:32 AM

Thanks guy, I'll model some of these, esp the Tangband W4-656SB (that mod link was good), W4-657SB 4" aluminum driver and the Hi-Vi B3S .

The W4-656SB uses a "PPM cone"- anyone know what that is ?

Thanks

HeatMiser 5th November 2005 12:57 AM

rick57, I believe PPM means polypropylene mesh

rcavictim 5th November 2005 01:22 AM

Quote:

Originally posted by rick57
Thanks guy, I'll model some of these, esp the Tangband W4-656SB (that mod link was good), W4-657SB 4" aluminum driver and the Hi-Vi B3S .

The W4-656SB uses a "PPM cone"- anyone know what that is ?

Thanks


PPM usually stands for Parts Per Million. A four barrel carburetor is generally written 4 BBL, so who knows? Different drugs for different folks I guess.

The cone of the W4-656SB is polypropelene. I have a pair that I've listened to stock as midbass in a 3 way and driven hard in parallel with the main woofer and no HP filter. Impressive driver and tough IMO. I have another pair that I have removed the dustcaps as per the MAD article and installed custom made solid aluminum bullets in. I haven't added the glue beads or done listening tests on these yet. I hope to spend more time with this driver. I sure wish it had higher efficiency though.

planet10 5th November 2005 01:27 AM

If you are looking at 3", mu feeling is that the Aura NS-3 is a better choice than the HiVi. 2x as much cost, but doesn't need a filter which brings it even price wise.

dave

DDF 7th November 2005 06:28 PM

I'm lookinginto the same thing. Was going to build a pair of Fr125s for the TV, but the box was too big. I finally decided on these:
http://www.partsexpress.com/pe/pshow...number=264-817

TB657SB. Used them in the TV for about 2 years, and they sound very good. They need taming at the top end though. The bamboo ones may have a better controlled top end.

I started the gluing for a new 3L box (sealed) for these last night. What I like about this driver is that it'll give an honest 100 dB at 100Hz with 20 watts, and the little 3" ers won't come close.

I used sealed, to avoid having these little woofers bottom on out of band bass, as they will in a vented.

I'm designing an 1139C tang band sub to go with them, 100Hz xover.

The Fr125s will come a bit later for the computer.


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