Dayton Audio SPA500DSP 500W Subwoofer Plate Amplifier with DSP
Dayton Audio SPA500DSP 500W Subwoofer Plate Amplifier with DSP
- DSP functions include: 7 PEQ bands, LPF, phase, subsonic filter, limiter, mains delay, and HPF
- Single-knob control panel with high-contrast LCD display and status LEDs
- Fast, intuitive PC-based GUI software enables full access to the DSP functions
- Efficient Class D output topology ensures high-impact low frequency performance
- Includes both balanced and unbalance line level inputs and outputs
- With a Dayton Audio 5 year warranty, it’s more than a guarantee, it’s a promise
Dayton Audio SPA500DSP 500W Subwoofer Plate Amplifier with DSP
- DSP functions include: 7 PEQ bands, LPF, phase, subsonic filter, limiter, mains delay, and HPF
- Single-knob control panel with high-contrast LCD display and status LEDs
- Fast, intuitive PC-based GUI software enables full access to the DSP functions
- Efficient Class D output topology ensures high-impact low frequency performance
- Includes both balanced and unbalance line level inputs and outputs
- With a Dayton Audio 5 year warranty, it’s more than a guarantee, it’s a promise
Specifications:
• Power output: 500 watts RMS into 4 ohms, THD+N <0.1%
• Signal to noise ratio: 97.9 dB (A-weighted)
• Input sensitivity (RCA): 320 mV - 1.4 V
• Input sensitivity (XLR): 630 mV - 2.7 V
• Power requirements: 110~120/220~240 VAC selectable, 50/60 Hz
• Amplifier dimensions: 10.25" H x 7.25" W x 2.125" D; Amplifier cutout: 9.25" H x 6.25" W.
Product Details
Brand Dayton Audio
Model SPA500DSP
UPC 848791004711
Unit of Measure Each
Weight 2 kg
For retrofit and enclosure designs with no amplifier cutout anoptional amplifier mounting frame is available for this amplifier.
DSP Plate Amplifier Features
Note: Windows 10 Users
Microsoft .net Framework 3.5 is required for the SPA500-DSP software to run properly. This is not installed by default in Windows 10.
1. Power Mode: Select the either energy-saving or “always-on” power mode
• Auto: Amp goes into standby after no detected signal input for 20 minutes*
• On: Amp is always on, regardless of input signal status.
* Amp will automatically turn on typically in one second or less once audio signals are resumed.
2. Analog input attenuation: Affects analog balanced and unbalanced inputs only.
• Normal: No attenuation.
• Hi: Attenuates input signal by -6dB.
3. USB Control: Used for PC-GUI communication with custom PC software included with your amp.
4. Feature Control: Single knob digital actuator with single/double-click enabled with rotary scrolling to navigate the amp’s extensive feature menu.
5. Limiter LED: Lit when Limiter is active (Red).
6. Standby/On LED:
• Red when amp is in energy saving “stand by” state.
• Green when amp is operating normally.
Controlling your Subwoofer via PC GUI
• USB link indicator: When the communication via USB with amp is successful, 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 and sub output signal levels.
• Tools Drop Down Menu: Utilities for amp DSP management.
• Volume: Adjust the level (gain) of the subwoofer output.
• Phase: Continuously adjustable phase from 0° to 180°.
Low Pass and Subsonic Filters
• 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 filter
Band Parametric Equalizer
• PEQ Window: Graphical trace is NRT editable. Bands can be shaped by cursor or direct input and/or
sliders
• 5 Band-digital PEQ adjustments:
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, steps: 1Hz.
c) Gain: Adjust the EQ gain (apparent volume), -12 ~ +6dB, steps: 0.1dB
d) Q (EQ width): Adjust the “Q” value, 0.4~16 , step: 0.1
Dual-Band Limiter
a) Threshold: Adjust the limiter threshold, 0~-12dB, step: 0.1dB
b) Attack: Adjust limiter’s “attack time”. This controls the time 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 taken to restore back to original level. Range: 60/120/240/480/1000/2000ms
d) Frequency: The crossover frequency point between the 2 bands: Band 1 (Low Frequency) &
Band 2 (High Frequency).
High Frequency Out
• This block controls the DSP parameters for line level output 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 filter: -12dB/-24dB per octave.
Frequency: Adjust cut-off frequency of the selected filter.
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