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Operating Guide: Dayton Audio 

SPA250DSP Subwoofer Power Amplifiers 

Table of Contents 

Back panel and input/output (I/O) definition

 ............................................................................................................... 5

 

SPA250DSP wiring

 ........................................................................................................................................................ 6

 

Amp system block 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

 

Firmware update guide

 ..........................................................................................................................................16

-20

 

DSP Functions

 .............................................................................................................................................................. 21

 

Feature Controller (LCD matrix, single-knob)

 .................................................................................................. 21

 

Advanced Control (for GUI via USB port, PC)

 ................................................................................................. 21

 

Base Specifications (Audio Precision

®

)

 ................................................................................................................... 22

 

Содержание SPA250DSP

Страница 1: ......

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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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