010-1450
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Model
451 LR
453 C
454 SR
Type
Sealed-box, 3-way
Sealed-box, 3-way,
Sealed-box, TwinPolar™ (V-pole)
D’Appolito
D’Appolito
spatially-enhanced
Drivers
(2) 6-1/2" IMG woofer;
(2) 6-1/2" IMG woofer;
(2) 5-1/4" IMG woofer;
(2) 3-1/2" IMG midrange driver;
(2) 3-1/2" IMG midrange driver;
(2) 3/4" silk dome tweeter,
(1) 1" silk dome tweeter,
(1) 1" silk dome tweeter,
neodymium magnet, ferrofluid cooled
neodymium magnet, ferrofluid cooled
neodymium magnet, ferrofluid cooled
Frequency
80Hz – 20kHz
80Hz – 20kHz
80Hz – 20kHz
Response
(
±
3dB)
Nominal
8
Ω
8
Ω
8
Ω
Impedance
Crossover
350Hz – 4.5kHz
350Hz – 4.5kHz
3.5kHz
Frequency
Sensitivity
91dB
91dB
87dB
Recommended
100 – 200WRMS
100 – 200WRMS
100 – 200WRMS
Amplifier Power
Magnetic Shielding
Yes
Yes
No
Size
(W x H x D)
7.5 x 25.75 x 11.375in
25.75 x 10.0 x 10.5in with base
7.875 x 18.7 x 7.25in
190 x 655 x 288mm
655 x 254 x 267mm with base
200 x 475 x 184mm
Weight
(ea., unpacked) 27lbs; 12.25kg
25lbs; 11.35kg (28lbs; 12.71 with base)
12lbs; 5.45kg
Specifications are those in effect at the time of printing. Atlantic Technology reserves the right to change specifications or
appearance at any time without notice.
THX and Lucasfilm are registered trademarks of Lucasfilm Ltd. Dolby Digital, AC-3, Dolby Stereo and Dolby Pro Logic are
trademarks of Dolby Laboratories Licensing Corporation. DTS is a registered trademark of DTS Corporation.
System 450 THX Specifications
For Future Reference
Record your speaker(s) serial number(s) and date of purchase here:
Model Number
Serial Number
Date of Purchase
Model Number
Serial Number
Date of Purchase
Model Number
Serial Number
Date of Purchase
The serial number is found on the back of the speaker near the connecting terminals.