Atlantic Technology 334 SB, 444 SB Subwoofer Troubleshooting Guide, Specifications, Problem

10 Troubleshooting

Model 224, 334 and 444 SB Powered Subwoofer

Subwoofer Troubleshooting Guide

Once your subwoofer is set up, you should have many years of maintenance free enjoyment from your system. However, if you should encounter a problem, refer to the following guide to help you find the solution. If a problem persists, you should contact your local authorized Atlantic Technol- ogy dealer.

	Problem	Possible Cause	Possible Solution
	No bass output	AC power cord unplugged or	Plug into a working outlet.
		plugged into a non-working outlet.
		Input cables not securely	Check all connections, then try another
		connected or defective.	input cable.
Audible buzz or hum		Input cable not securely connected	Check all connections, then try another
		or defective.	input cable.
		Ground loop through antenna or	Test by disconnecting antenna and/or cable
		cable TV system input.	system input leads. If hum goes away, install
			isolation balun(s) at that point.

Specifications

	Model 224 SB	Model 334 SB	Model 444 SB
Type/Features	Powered subwoofer, sealed enclosure	Powered subwoofer, sealed enclosure	Powered subwoofer, sealed enclosure
Bass Driver	10” (254mm) long-throw composite cone	10” (254mm) long-throw composite cone	12” (305mm) long-throw composite cone
Output Power	180W RMS	220W RMS	325W RMS
Distortion (amplifier)	<0.5%	<0.5%	<0.5%
Frequency Response	34Hz – 250Hz ±3 dB	30Hz – 250Hz ±3 dB	25Hz – 250Hz ±3 dB
Input Impedance	10k	10k	10k
Peak Output	102dB SPL into 1500 cubic Feet	104dB SPL into 2000 cubic Feet	104dB SPL into 2500 cubic Feet
Dimensions (WxHxD)	14¼ x 13¼ x 153⁄8 in	15¼ x 15 x 155⁄8 in	16½ x 167⁄8 x 16 in
including grille	368 x 337 x 391mm	388 x 380 x 397mm	418 x 430 x 407mm
Weight	31lbs/14.1kg	35lbs/15.9kg	42lbs/19.1kg
Power Requirements	110-120/220-240V,	110-120/220-240V,	110-120/220-240V,
	50-60Hz, 300W Max	50-60Hz, 300W Max	50-60Hz, 500W Max

Specifications are those in effect at the time of printing.Atlantic Technology reserves the right to change specifications or designs at any time without notice.Dolby Digital,Dolby Stereo,and Dolby Pro Logic are trademarks of Dolby Laboratories Licensing Corporation.DTS is a registered trademark of Digital Theater Systems, Inc.