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  • Perusing Parts Express

    Posted by Toids_DIY_Audio on July 5, 2019 at 2:56 pm

    So I’m looking over P.E.’s Buyout/Clearance section, just seeing what’s available and what could actually be considered worthwhile. (Natch, who doesn’t like to get the most bang for their buck?) In their Midrange / Midbass / Full Range drivers section, I sorted by price, low to high, and Show All. Skipping over the really tiny TV buyouts, I get to the somewhat larger units, ~4″ or so. I check out a few for their specs, mostly they are Meh.

    Then I get to this: 4″ Treated Paper Cone Woofer 16 Ohm, PN 299-320

    I have my good old QuickBasic programs running and it seems to be a decent enough unit for Bass-Reflex. Acoustic Suspension, Nah. But, starting at $5.80 it would be okay for seriously low budget build or “give-aways”.

    Okay, file that one away for consideration.

    On that same (4 across line) is the RESTOCKED Wavecor WF146WA01 5-3/4″ Paper Cone Mid-Woofer 4 Ohm, PN 88-298-1164 ( you can see the driver parameters on PN 298-1164). A much more solid unit, but at almost 10x’s the price ($50) and new ($69). I ran the same programs for this driver and it is good for both Bass-Reflex and Acoustic Suspension, although I’d go with different designs than supplied on the product page.

    Thing is, it’s hard to resist the temptation of trying the cheap units, simply because they are so cheap. Here’s a screen cap of what I ran:

    The top row is the $5.80 no-name with Acoustic Suspension followed by Bass-Reflex while the bottom row is the WaveCor, same order as above. I kept all possible differences the same (box Q for A.S. and port size for B.R.) Now this is just using FO, VAS, and QTS. I could do a Bandpass box or Transmission Line too, but I think those would be better suited to different drivers.

    So who else goes through the “catalogs” and does similar research?

    Toids_DIY_Audio replied 4 years, 2 months ago 1 Member · 0 Replies
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