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Ok - FREE SHIPPING, folks! And this amp is 40 lbs.

Alright, I have an Adire Tempest that I want to sell - never used, in the box. How about $80 plus shipping? Eh? Thanks...

Hey! I got this amp a while back, new in box, never had the chance to use it, and it's sitting in the box still. I need money now, so I'd really like to sell it. Details are at http://www.qscaudio.com/ under the RMX series. Could be great for subwoofer amplification. Asking price shall be...

Hey, Matthew. It's been a while since I've been on this forum. How long you ask? Well, The time now is 05:42 AM. You last visited: Never. There have been 48402 threads and 474337 posts since your last visit! Where have I been? Ah.. I've never met one who could figure it out... Matthew, at...

On most other forums etc that I may frequent, I go by my alter (Zappaian) ego, Duke of Prunes.

I thought that, since the nominal impedance is 4 ohms, if you wire it in series, that would yield 8 ohms, and the amp bridging would not affect this. What am I missing? Also, what disadvantages would wiring it in series cause (real world differences, if any)? I understand that in the case of...

David, Are you positive about bridging the amp cutting the load in half. I just read in another post that the amp doesn't do anything to the load when bridged. I want to have my amp bridged at 8 ohms. Then I will get more power (530 watts), without gaining THD. I want to be sure. The manual...

WinISD gives me a 0.13 mach for the single 6" (0.07 for dual 4"s). Why? How does the volume, or cross-sectional area, correlate into the port mach? The reason I am curious as to the driver protection is, first because Pat talked about it and I remember Dan Wiggins posting about it and the...

David, Your design looks good to me on WinISD, but what about driver protection? Is 18.8 Hz going to ensure enough protection, and at what amount of power would it be unsafe, if at all? FYI I will be using a QSC amp. With an 8 ohm load it'll pump out 530 watts, as it states, in bridge mono...

A few questions: Which would be preferable? Say, 3 4" ports, or 2 5" ports? The 3 4"s give the lower mach (.04 to .05), but I've heard that larger diameter ports are better. What differences would either make? Is there an advantage to using flared ports? What, if any, calculations, do I have...

Hey, Patrick. Yes, I've seen your Sunosub pages and they have helped a lot in the construction aspect of my sonosub plans. Those detailed construction notes are great. Keep up the good work. I downloaded LspCAD, preloaded with the Tempest, so I will play around with it and learn how to use it...

Is Pe the same as Pmax? That's the only power handling figure on Adire's site. Also, does Z depend on how the sub is wired? How should I wire it? What are the advantages and disadvantages? You know, I used to know all this stuff, but I forgot it all. Don't make fun of me. School made me forget...

I'm starting to get back into some calculations in WinISD, but I don't have the values for Pe or Z. What are they? Do they make a difference? Also, has anyone built a good Tempest sonosub yet? Are there any good webpages for a Tempest sonosub? Thanks. Rob

Email me. I'm interested.