Rat Sub Woofer
Rat Subs are not available for purchasing at this time. This page is for informational purposes only.
Our Rat Subs were designed by Dave Rat. We spent considerable time
perfecting not only the tuning but the protection and construction
of the sub. We perfected a formula that we use to calculate the cabinet
tuning that is a modification of the optimum Theile/Small tuning.
This formula is the key to the extremely flat, extended low frequency,
high volume sound of our low frequency enclosures.
People tell us that they are some of the best sounding subs they
have ever heard. With a true "full range box" and true "sub woofer"
we were able to take advantage of the "subs on an auxiliary send"
configuration. The ability to totally isolate the subs and send just
the instruments desired to them, has an amazing effect on system clarity
and increases system volume as well.
The Rat Sub tuning is centered at 32 Hz with a low cutoff at 20 Hz.
Connector options include NL4 NL8 or EP connectors available.
Custom steel powder coated grill. Folded steel non rattle.
Option of caster board with handle alignment.
Another option would be flying hardware - we rig it from a V-Dosc
Packed in a truck: 3 across in a 96" wide semi / bobtail or 4 across
in a 102".
out Configurations Using the Subs
(Rat Sub loaded with 2 x Electrovoice EVX180b)
Includes Caster Board and flying hardware
Each box contains: 2 x 18" speakers
Usable freq response is 25 - 200 Hz and recommended
is 28 Hz to 100 Hz.
External dimensions: 47.5 H x 29.5
W x 23.5 D
Weight: 160 Lbs.
Rat Subs FAQ
1. I would like to know what amps Rat uses with the
Typically we use a Crest 7001
2. Amps running bridge or std?
3. What ohms are the amps running at?
Bridged into 4 ohms
4. Based on one amp what is the output wattage?
By spec it is 1600 to 1800 watts depending on the year the data sheet
was released. In reality the actual delivered wattage is higher in the
5. How many subs are running off one amp?
6. How are the subs wired and at what ohms etc.. ?
2 - 8 ohm 18" speakers in series in each cab.
7. Additional processing used besides the x-over?
The best sounding sub setup for the Rat subs still remains to be 1/2
of an BSS FDS 310 driving a Symetrix 501 limiter. We have several digital
processed sub settings but the analog x-over/limiter combo seems to
sound the best and maintain that "Rat Sub Sound"
8. What x-over is used and maybe a little about the
The BSS FDS 310 is used because of its ability to divide the x-over
point by 10 and get down to lower points than most analogs. Also the
front panel variable is really easy and usefull. None of that "cup your
hand over a digital display in daylight" to change something as simple
as a sub x-over point.
9. Comments on loaded with Electrovoice EVX180b vs.
Tad TL1801? What is the difference?
The TAD's are superior sounding and more efficient as well. The EV's
go down a little lower and move a bit more air. Am "all TAD" rig is
awesome but you cants get as much at 30 hz and below from them. An all
EV rig is a bit heavy in the 80hz range and the cones seem to have a
slight boxy sound. A mixture of the two types is my preference and it
does not matter much if they are on diferent amps or not.
10. How many cabs qualify for a multiple discount?
It really is something where we would work with whomever is interested,
make sure the Rat Subs are truly optimum for the system/application.
We would help define the optimum config. / driver types, amps and processing
and then put together the best prices. The listed price is a comparitive
number to get an idea of what they sell for. The amount we can reduce
the price is quite variable depending on numerous factors. One thing
you can count on is that we will do all we can to optimize the price
paid for the product realized.
your experiences on the Rat Subs via our message board!
Out the Evolution of the Rat System