Instruction manual

8
Models 271 LR, 273m C, and 274t SR
Atlantic Technology ®
011-1270
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.
Important: Save Your Boxes! If you can do so, save the cartons, packing pieces, and plastic bags that came
with your speakers. They will be useful in case you move or have to ship your loudspeakers for any reason. In any
case, save all packing materials until you are certain that the systems have suffered no damage in shipment. If you
find such damage, either visible or internal, contact your dealer immediately for the proper return procedure.
System 270 THX Specifications
Model 271 LR 273m C 274t SR
Type Sealed-box, 2-way Sealed-box, 2-way, multi-stage Sealed-box, frequency-enhanced
timbre control surround speaker
Drivers (2) 5-1/4" ICMG woofers (2) 5-1/4" ICMG woofers (2) 4-1/2" ICMG woofers
(1) 1" silk dome tweeter (1) 1" silk dome tweeter (2) 3/4" silk dome tweeters
Frequency 80Hz – 20kHz 80Hz – 20kHz 80Hz – 20kHz
Response (±3dB)
Nominal 8
Ω 8 Ω 8 Ω
Impedance
Crossover Frequency 2.5kHz 2.5kHz 3kHz
Sensitivity 90dB 90dB 90dB
Recommended 10 – 150WRMS 10 – 150WRMS 10 – 150WRMS
Amplifier Power
Magnetic Shielding Yes Yes No
Size (W x H x D) 6.85 x 14.4 x 7.9in 17.75 x 8.11 x 7.9in with base 9.0 x 11.8 x 7.3in
174 x 366 x 200mm 450 x 206 x 200mm with base 230 x 300 x 185mm
Weight (ea., unpacked) 13lbs; 5.9kg 15lbs; 6.81kg with base 10.5lbs; 4.76kg
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 is a registered trademark of Lucasfilm Ltd., Dolby Digital, AC-3, 5.1, Dolby Stereo and Dolby Pro Logic are trademarks of Dolby Laboratories
Licensing Corporation. DTS is a registered trademark of DTS Technology.