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In Reply to: RE: Do you know of any awful speaker drivers? (an odd request) posted by Rugrat on April 06, 2012 at 10:44:24
They get some really hideous cheap junk in from time to time.
Not dissing PE here at all -- they also carry lots of good stuff, and I've been a satisfied customer for many years.
The linked woofer may actually be BETTER than what you need, but at $5 each it fits your price point.
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@caspian
I had looked on parts express and had missed those thanks I will look into them. I remember them having a lot of cheap drivers like a year or two back...
@davidld thanks for the advice I would have not thought about that.
@coner you made a point I should probably tell you guys what I am up to here...
I am in process of hopefully going into the guitar tube amp building business... going to get my feet wet here soon... Anyways for my first amp I am in the process of designing a versatile studio combo... If its a success I found something cool I can do to make money... if not I build myself a sweet amp...
I think for the studio a low wattage tube combo (so you get that beautiful overdrive with out all the loudness) and a mini cab would be pretty cool... Having a lot of little speakers is great for recording... I don't know the tracks off the top of my head, but some really really great sounding guitar tracks have been cut using some very tiny drivers...
I am also wanting to experiment with what can make a good guitar speaker... From what I have seen and learned about all the major guitar brands is mainly high efficieny. The thing I don't understand about guitar speakers is just how much the brands charge for them... Guitar speakers are usually not accurate at all and where their eq spike or dip is defines what genre of music they are applicable too... So a certain eq would be British invasion sound and another good for American blues... Anyways in theory a guitar speaker would just be a highly efficient speaker with an interesting frequency response. (not saying that there isn't a lot of designing that goes into Eminence drivers)
I love audiophile stuff too, but I am no where near knowledgeable enough on where to even begin. With guitars people like interesting, but with actually good speakers you want flat...
That's what I am up to though.
sing about spam!
Generally speaking, if you are looking at DIY speakers with complicated passive crossover designs loaded down with inductors, resistors and capacitors, the raw drivers must be pretty ragged to begin with. And this is not just a low-cost driver phenomenon. A lot of the small poly-cone woofers in many different price ranges tend to be pretty ragged in the upper end of their ranges if allowed to roll off acousically, and DIYers devote sa lot of energy trying to determine just the right passive crossover to deal with the ragged top end on each which in turn leads to complicated second order designs and worse in which the cost of all the crossover parts soon exceeds the cost of the woofer!
At the bottom end of the range, what the woofer sounds like really depens on how well matched the woofer is to the enclosure. The two issues here of course are whether the driver was really designed by the manufacturer for a sealed or for a vented enclosure. If you put a driver designed for a small sealed enclosure in a box too small, generally the bass peaks at too high a frequency and then rolls off quickly. Too large an enclosure and the bass will extend much lower but will just gradually diminish in volume. A lot of inexpensive woofers (Like the basic Goldwood series that comes in all sorts of sizes) call for a larger than expected sealed box, and will sound boomy as in peak at 150 Hz with rapid falloff below that in a smaller than optimal box.
Life gets more complicated on the vented enclosure side, as this involves issues not only related to the box size but also port length and size, and its tricky to get all this correct for experienced DIYers let alone someone building their first or second speakers. Thats why MOST DIY drivers sold to the hobby market tend to be those that work well in smaller sealed boxes--there are fewer ways to mess these up.
Radio Shack and previously Allied used to sell Utah sourced woofers that had paper cones and tended to roll off smoothly in the upper end of the frequency range, but those are long gone. The beauty of these is that you could build a DIY speaker with only a minimal crossover (see the old David Weems Radio Shack books) and it would sound pretty good.
The acoustic rolloff thing is probably best embodied in the old epi 6 1/2 and 8 inch woofers. A guy on Vintage right now has a project to remake a pair of 6 ft high epi 1000 speakers using 4 epi woofers in each speaker.
David
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