Description of Bass Unit
Specifications
The B-212CT dual 12-inch bass reproducer repre-
Sensitivity at 1 watt
sents the "state of the art" in bass enclosures for concert
and I meter
105dB
sound reinforcement. The bass horn incorporates a novel
High frequency limit
450Hz
means of efficiently coupling the bass drivers to the throat of
Recommended
the device. It achieves a true, smooth, exponential transition,
crossover frequency
350Hz
which minimizes discontinuity in the air loaded impedance
Horn length (mean path) 42 in.
characteristic. It also eliminates degeneration of SPL and high
Mouth area
950 sq. in.
frequency response due to step transitions, which occur in
Mouth cut off
approx. 1 OOHz
other generally available bass horns.
Flare rate
62Hz
The B-212CT is built to the highest standards in the
Low frequency
professional sound industry. The method of construction in-
-3dB point
cludes the use of foams and specially developed damping
Single unit
70Hz
compounds to support the birch horn. The whole device is
Quad array
42Hz
cased in cross grain laminated Baltic birch and is supplied
Drivers required
2 ATC PA-75-314 BLCR
with complete hardware and handles. Also available are four
Power handling capacity 300 watts continuous
heavy duty casters fabricated to our specifications. Input con-
Nominal impedance
4 ohms
nectors are dual 15 amp twist-lock, dual
1/4"
phone jacks, and
Dimensions
Depth 48", front width 36",
dual banana plugs. A catalyzed polyurethane finish offers
back width 26", height 29"
maximum durability in combination with long life and good
Weight
230 lbs. (loaded)
looks.
Specifications subject to change without notice.
