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Controlling your subwoofer via PC GUI 

The PC GUI (literally “Personal Computer, Graphical User Interface”) is the primary mode to access 

and adjust the DSP for subwoofer optimization. Follow all safe practices and contact Dayton Audio 

if you require assistance. 

Read Setting: 

Read all the setting from amp 

Save Settings to File:

 Save current settings to PC 

Load Settings from File:

 Load previous saved setting to AMP 

Reset to default setting: 

Reset the AMP to factory default 

See next page: 

For a full depiction of the primary screens and detailed identification of each of your 

amp GUI’s controls.

 

Summary of Contents for SPA250DSP

Page 1: ......

Page 2: ...2 Note Unit is set at the factory for 120V operation Be sure to change the fuse 2A rating before switching to 230V operation...

Page 3: ...h Part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 This device must accept any interference received including inter...

Page 4: ...ck diagram 7 DSP processing block diagram 7 Controlling your subwoofer via PC GUI 8 Volume Phase 9 LPF and Subsonic 10 5 Band PEQ 11 Limiter 12 High Frequency Out 13 Feature Menu display 14 15 Firmwar...

Page 5: ...only o Normal No attenuation o Hi Attenuates input signal by 6dB 3 USB Control Used for PC GUI communication with custom PC software included with your amp Please refer to PC GUI user guide on Page 8...

Page 6: ...6 SPA250DSP wiring Connect to speaker driver Connect to speaker driver...

Page 7: ...7 Amp system block diagram DSP processing block diagram...

Page 8: ...fe practices and contact Dayton Audio if you require assistance Read Setting Read all the setting from amp Save Settings to File Save current settings to PC Load Settings from File Load previous saved...

Page 9: ...essful the GUI s LED indicator will light green Otherwise LED stays red Processing Selection Navigate across the DSP menu to adjust various DSP parameters Sub in out monitor Monitor the input signal a...

Page 10: ...and Subsonic Filter ON OFF Button Enable or disable the selected filter Slope Select roll off gradient of the selected filter 12dB 24dB per octave Frequency Hz Adjust cut off frequency of the selected...

Page 11: ...rs Detailed tool tips shown a d above 5 Band digital PEQ a Band On Off Bypass or enable by clicking the colorized 1 5 buttons b Center Frequency CF Adjust Center Frequency of each EQ band 10 200Hz ste...

Page 12: ...taken to attenuate signals over the threshold to the specified threshold level Range 1 5 10 20 100ms c Release Adjust limiter s release time When signal is below threshold level this controls the time...

Page 13: ...ut only Delay Adjust the time difference between High Frequency out and Subwoofer out HPF Control Filter ON OFF Bypass or Enable the selected filter Slope Select roll off gradient of the selected filt...

Page 14: ...click brings you back to the main menu Subsequent rotation of the controller from the main menu navigates you through a series of setup menus Each of the Function frames at left correspond to the majo...

Page 15: ...oad DoubleclicktoreturntoMENUFRAME Doubleclick toreturnto MENUFRAME TurntoselectFREQUENCY Doubleclick PEQMENUFRAME TurntoselectFREQUENCY Doubleclick PEQMENUFRAME TurntoselectGAIN Doubleclick PEQMENUFR...

Page 16: ...lter subwoofer amp output only Frequency Range 25 40Hz 1Hz step Slope select Disabled 12dB 24dB 7 P EQ1 P EQ2 adjustment subwoofer amp output only Frequency Range 30 125Hz 1Hz step Level Range 12dB 6d...

Page 17: ...Rated Power 100Hz 1 Output power 4 100Hz 115VAC Input 10dBV L R 250 W Auto ON OFF Auto ON sensitivity Auto OFF time RCA Left 100Hz 3mV 20mins Time delay 2ms Power amplifier Protection A Short circuit...

Page 18: ...installation 2 This warranty does not cover cosmetic damage due to misuse or neglect This includes paint damage scratches cracks or other superficial marks related to improper use 3 Failures arising...

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