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SWR Silverado Special 212 Combo Replacement Speakers

#81
D Rogue said:
Yes, the horn is wired to the crossover, and then the 2 wires from the crossover are connected to the terminal board. The woofers connect directly to the terminal strip. I wired the tweeter exactly how it was, so that should be fine. if the wires soldered to the terminal strip were red and black then I'd just match the wires, but the black and brown wires threw me a curveball. I had thought about tracing the wire in the chassis and connected to the terminal strip, so I'll give it a more thorough look and will throw the meter on it. Thanks!
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Perhaps this would be easier. See if one of the lugs is equivalent to ground for the amp. If yes, connect the negative woofer terminals to that lug.

As an example, I just plugged in a guitar chord into the input of my GK 700RB. I also plug a 1/4" speaker chord into the woofer amp output. Note the amp was turned off. Next I measured continuity from the sleeve of each jack. Both are ground, so my meter beeped.
 
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#82
Wasnex said:
Perhaps this would be easier. See if one of the lugs is equivalent to ground for the amp. If yes, connect the negative woofer terminals to that lug.

As an example, I just plugged in a guitar chord into the input of my GK 700RB. I also plug a 1/4" speaker chord into the woofer amp output. Note the amp was turned off. Next I measured continuity from the sleeve of each jack. Both are ground, so my meter beeped.
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That will confuse things but good...
 
#83
Wasnex said:
Perhaps this would be easier. See if one of the lugs is equivalent to ground for the amp. If yes, connect the negative woofer terminals to that lug.

As an example, I just plugged in a guitar chord into the input of my GK 700RB. I also plug a 1/4" speaker chord into the woofer amp output. Note the amp was turned off. Next I measured continuity from the sleeve of each jack. Both are ground, so my meter beeped.
Click to expand...
Thanks, Wasnex! Thanks makes sense and is something I can do.
 
#84
agedhorse said:
That will confuse things but good...
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Maybe :confused:, maybe not :D. IMHO, it should be pretty easy to plug a guitar chord to the input of the amp and see if there is continuity between the sleeve (assumed to be ground) and one of the lugs on the crossover board. I am not saying it will work for sure on this particular amp since I don't have a schematic, but I am guessing you know the answer ;).
 
#85
D Rogue said:
Thanks for your feedback! So while some say a recone kit may not be available for this speaker, you think your guy at Neil's can work some magic? While I'm about an hour and a half away, I drive through Colma often.
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Yes,Yes,Yes! He's open Monday through Friday, and the difference is outstanding! Oh...WAIT! I wrote it wrong! Coloma, CA. Sorry! Here: [Invalid or Expired Link Removed]
 
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#87
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#88
elkkid2 said:
Yes,Yes,Yes! He's open Monday through Friday, and the difference is outstanding! Oh...WAIT! I wrote it wrong! Coloma, CA. Sorry! Here: [Invalid or Expired Link Removed]
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I looked him up and
elkkid2 said:
Yes,Yes,Yes! He's open Monday through Friday, and the difference is outstanding! Oh...WAIT! I wrote it wrong! Coloma, CA. Sorry! Here: [Invalid or Expired Link Removed]
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He's in Colfax. You're getting closer. Lol! Thanks, man!
 
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#89
elkkid2 said:
Here's a few photos of the speakers he did in the SWR Redhead: For Sale - SWR Super Redhead. Serviced + Reconed Speakers
Clean job of it!
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Those are now completely unrelated to the original driver, it's just a random speaker in a box. Without knowing the new TS parameters (Yes, I guarantee they will be very different because the original PAS (which is what that is) driver did not use th m-roll surround. It looks like an Eminence knock-off cone based on the surround profile.
Will it make noise... sure.
Will it be better the the original... possibly.
Will it be worse than the original... also quite possibly.
Will it sound different than the original PAS... absolutely.
 
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#91
agedhorse said:
Those are now completely unrelated to the original driver, it's just a random speaker in a box. Without knowing the new TS parameters (Yes, I guarantee they will be very different because the original PAS (which is what that is) driver did not use th m-roll surround. It looks like an Eminence knock-off cone based on the surround profile.
Will it make noise... sure.
Will it be better the the original... possibly.
Will it be worse than the original... also quite possibly.
Will it sound different than the original PAS... absolutely.
Click to expand...

It sounds a million times better, and I've been using it a lot. So much better than stock.
 
#93
Point of clarification: do T/S parameters offer any indication of what a driver’s midrange characteristics are? Or does their relevance fall off as the frequency rises?

I ask because Agedhorse is right that the PAS drivers that were stock SWR drivers have a distinctive “bark” that stock Eminence drivers don’t really provide. It makes me wonder if once we find a driver that meets our low end criteria for the cab, we enter into the same territory that guitar players get into when they talk about the subjective characteristics of speakers. In other words, as long as two drivers are mechanically compatible, it comes down to actually hearing them and deciding which is more pleasing to your ear.

maybe?
 
#94
ihixulu said:
Point of clarification: do T/S parameters offer any indication of what a driver’s midrange characteristics are? Or does their relevance fall off as the frequency rises?

I ask because Agedhorse is right that the PAS drivers that were stock SWR drivers have a distinctive “bark” that stock Eminence drivers don’t really provide. It makes me wonder if once we find a driver that meets our low end criteria for the cab, we enter into the same territory that guitar players get into when they talk about the subjective characteristics of speakers. In other words, as long as two drivers are mechanically compatible, it comes down to actually hearing them and deciding which is more pleasing to your ear.

maybe?
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Yes. TS parameters mostly describe low frequency characteristics and their interactions with the cabinet. Both the TS parameters and the cabinet tubing describe the low frequency speaker SYSTEM performance.

There is also an Le term that describes the basic first order electrical roll off of high frequencies, but there are other things that are more important that are not part of the TS modeling that mid and high frequency behavior.
 
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#95
agedhorse said:
Well, ummm ok
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I will say, that when I had these reconed, I asked for extra bass, and that these were built to MY specs, for MY needs. Neil's came through way beyond my expectations! He said thay will now probably more than the 175 Watts they originally were rated at. I play a five string bass, and use friggin' REBAR for strings. These speaker handle everything VERY well. I've bought MANY SWR Redheads where the speaker cones have "rolled",(creases)...I kinda joke now about PAS speakers as POS speakers, so I always make sure to add a stiffer cone when having them re-coned.
 
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#99
Okay, after going back and forth on the specs I think I am going to get the Eminence Delta 12LFA. I wish the sensitivity was a little higher, but it does seem to be a decent comparison to the original speakers that came with the amp. If I don't pull the trigger I'll keep going back and forth. Mistake, or what do I have to lose? As before, thanks for all of the help and suggestions! I definitely know more about bass amp speakers than I did before I started this search.
 
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