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SPECIFICATIONS:
Rated Power Output: (0.92 % THD) 273 watts* into 8 ohms, 540 watts* into 4 ohms
*Based on one-third power duty cycle
Signal to Noise Ratio: 98 dB A-weighted
Effi ciency: 75%
Input Impedance: 12K ohms
Low Pass Adjustment: 30 Hz – 200 Hz
Phase Adjustment: 0° (NOR) or 180° (REV)
Parametric EQ:
Frequency: 18 Hz – 80 Hz
Bandwidth: 0.1 – 1 Q
Level: -14.5dB – +6dB
Dimensions: 11-15/16" W x 11-15/16" H x 5-1/4" D
Enclosure Cutout: 10" x 10"
Power Requirements: 115/230 VAC, 50 Hz/60 Hz
Stand-by Power Rating: 115V 24W; 230V 18.4W
Weight: 15.2 lbs.
NOTES ABOUT HUM:
While the SPA500 has been designed to minimize the possibility of hum in the subwoofer system, it is still possible that a hum
will occur in rare circumstances. Its safety grounding can create a path for small amounts of 60 Hz energy to travel trough
the line-level audio system. While not dangerous, this energy can cause diffi culty with the subwoofer auto signal sensing
circuit, and at the very least will interfere with the quiet enjoyment of your system. The fi rst course of action should be trying to
make sure that all of the audio components are connected to either the same electrical outlet, or at least into the same circuit
branch. Next, cable TV systems are notoriously the culprit, so be sure to try disconnecting all coaxial feeds that are connected
to the system. If this solves the problem, install a coaxial line isolator and reconnect the system. In the very worst case, a line-
level audio isolator/transformer connected to the line-in of the subwoofer amplifi er will usually solve the problem.
IMPORTANT SAFETY INSTRUCTIONS
To reduce the risk of electric shock, do not remove cover. No user serviceable parts inside. Refer servicing to qualifi ed personnel.
To reduce the risk of fi re and shock do not expose unit to rain or moisture. The unit should be connected to an earth grounded AC
electrical socket. The unit should be operated in a well ventilated area. Minimum clearance is 2 inches from the ventilation openings.
Note: Unit is set at the factory for 115V operation. Be sure to change the fuse (5A rating) before switching to 230V operation.
daytonaudio.com
tel + 937.743.8248
info@daytonaudio.com
705 Pleasant Valley Dr.
Springboro, OH 45066
USA
Warranty Information
Dayton Audio products are warranted free from defects in material and workmanship for 5 years from date of purchase. 1 year warranty applies to the
following products: powered subwoofers and electronic devices (e.g. subwoofer amplifi ers, and plate amplifi ers, as well as the Omnimic V2 and DATS
loudspeaker testing devices). In the rare case of a product failure, please contact your place of purchase or call our Customer Support Department at
(937) 743-8248.
Warranty Limitations
There are no other warranties, either expressed or implied, that extend the foregoing, and there are no warranties of merchantability or fi tness for any
particular purpose. Dayton Audio is not responsible for any consequential or inconsequential damage to any other unit or component or the cost for
installation or extraction of any component of the audio system, or for the improper use of products. This includes but is not limited to burnt voice coils,
overheating, bent frames, holes in the cone, or broken lead wires.
This warranty gives you specifi c legal rights and you may also have other rights that vary from state to state.
Non-Warranty Service: If non-warranty service is required, the product may be sent to the Company for repair/replacement, transportation prepaid, by
calling (937) 743-8248 for details, complete instructions, and service fee charges.
Dayton Audio
®
Last Revised: 4/29/2015