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Four is what the main page has

USA-25----------------------------------------USA-150 ------------------------------------------------------------------------------------------------------------ POWER PER CHANNEL 4ohm/12.5 .............................................. 75 2ohm/25..................................................150 1ohm/NA..................................................190 THD/<.009%............................................. * IMD/<.03.................................................. * SIGNAL TO NOISE RATIO/102db.................110db FREQUENCY RESPONSE/5hz-50khz.............. * SLEW RATE/150Vus.................................... * INPUT SENSITIVITY/250mv-10V.................. * VARI-LOUD/no........................................... * FUSE/15A..................................................40A DAMPING FACTOR/250...............................550 * IS THE SAME

Any chance on getting a xxx?

What would it be @30hz & down?

any requests for these? Do the icons in general compare to the Fi Q series?

Any pics or specs of a prototype yet?Will this have the same crossover section as the 100.4?If it does I will deff purchase one,as the 100.4 is a little too big for my mounting space.

Will there be a future for these or coaxials?

Something different...right on

What coil does the 18Q have?copper or aluminum,flatwind or round?

nice...brand new? price?

I'm really not pleased with the pictured protos so I may not let them out for sale... they have issues at high x-max, which is why I am totally revising the motor internals. If you plan to run relatively low power I might sell you the 12" proto... it's good up to about 600 RMS in an appropriate sized box -- but if pushed too hard it will make a "clanking" sound. This problem deffinately needs to be worked out.I understand why you wouldn't want these to leak yet

Very impressed with these overall.Curious to see the finalized product & specs.Seems like a ground pounding version of the TC Sounds oem 10s and 12s.

what did u get?

very nice.can u get some sub shots for us?

He's in sac town

Is there a posibility to run these in sealed? There is an old comment about testing this in sealed and wanted to know what the results are if any?

You put in work,nice job

Just for reference guys,that RF T5002 amp confuses alot of people. I know cuz I have one. My T5002 Birthsheet reads: 234 rms x2 @ 4ohm 343 rms x2 @ 2ohm 520 rms x2 @ 1ohm 1040 rms bridged @ 2ohm As you can see this is a very strong amp capable matching well with any one SSD or Q.Two woofers might be underpowered but will still pound.Remember this is how we did it back in the day.As far as bl's go,I would go with a different amp due to the suspension and power capability of this sub.

Rockford Fosgate Power T20001bd $775 ish new each on ebay is in your budget.2600-2800 wrms @1ohm average.2200ish @2ohm, I noticed you said d1 not d2

One thing is for sure,the more you do to prevent meltdown the greater the chances of survival.With that said,[COOLING] is your friend

Specs per 92 catalog/ USA-100HC ---------------------------------------- 4ohm-50x2 2ohm-100x2 1ohm-200x2 .5ohm-400x2 Bridged@1ohm=800 2x8awg powerwire input THD <.009% IMD <.03 Signal to noise ratio 115db Frequency response 5hz-50khz Slew rate 150Vus Input sensitivity 250mv/10V Vari-loud/NO Preamp outputs/NO Active crossover/NO FUSE/100A DIMENSIONS 7.7x2.3x20 inches Damping factor 1000

Why a 2 channel vs mono?

I noticed on some of the pics,the 18'' basket has small square windows at the bottom and the smaller subs have bigger arched windows.Are these generation differences like early or late model baskets? Are they related to the cooling options or BP Power? Do the recent 18s have the bigger arched windows cuz that's what sets the 12 spoke off for me?

I prefer my system to drop low - play as flat as possible & be very loud with it. I`m aiming for 150dB+ @ 20Hz I got very close with my last system 148.2dB@ 20Hz in the dB drag Position - which wasn`t a wall. This is the direction SPL should of headed towards in the begining.Low frequency pressure is way more impressive.

I wish I could get a demo.I would buy Steve lunch or dinner for it ( and I'm not talking fast food. )