FCC Statement
1. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two
conditions:
(1) This device may not cause harmful interference.
(2) This device must accept any interference received, including interference that may cause
undesired operation.
2. FCC Radiation Exposure Statement: Mobile device.
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled
environment. In order to avoid the possibility of exceeding the FCC radio frequency exposure
limits, Human proximity to the antenna shall not be less than 20cm (8 inches) during normal
operation.
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Operang Guide: Dayton Audio SPA1200/2400DSP
Subwoofer Power Amplifiers
Table of Contents
Back panel and input/output (I/O) definion ........................................................... 5
SPA1200DSP and SPA2400DSP wiring ...................................................................... 6
Feature control-panel key ......................................................................................... 7
Amp system block diagram ....................................................................................... 8
Controlling your subwoofer via PC GUI ...................................................................... 9
Feature menu display .............................................................................................. 12
iOS remote control “app” guide ............................................................................. 14
Firmware update guide ........................................................................................... 16
DSP and Performance Specificaon .................................................................. 20-21
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Back panel and input/output (I/O) definition
1. SPDIF coaxial input: Select between digital SPDIF and analog (XLR or RCA) audio inputs by
navigating to and electing desired “Input Source”, via the amp’s dedicated feature control menu knob or
software GUIs.
2. USB Control: Use for PC-GUI communication with custom PC software included with your amp.
Please refer to PC-GUI user guide on page 5. USB also allows for firmware update by Dayton Audio
release. See Page 10 for more on the system “flash” update process.
3. Analog input attenuation: Affects analog balanced and unbalanced inputs only.
o Normal: No attenuation.
o Hi: Attenuates input signal -6dB.
4. MIC IN: Services amp’s Intelligent Room-EQ (iEQ ™) microphone connection
5. Power Mode: Select the either energy-saving or “always-on” power mode
o Auto: Amp goes into standby after no detected signal input for 15 minutes*
o 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.
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SPA1200DSP and SPA2400DSP wiring
SPA1200DSP
SPA2400DSP - NOTE: Do NOT bridge outputs. Dual voice coil and dual driver loads only!
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Feature control-panel key
• Power ON LED: Green LED when amp is operating normally
• Standby (STB ) LED: Red when amp is in energy saving “stand by” state
• LIMIT LED (Yellow): Lit when Limiter is active
• FEATURE SETUP: Single knob digital actuator with single/double-click enabled with rotary scrolling to
navigate the amp’s extensive feature menu.
• Feature controller display (128 x 64 pixel): Liquid Crystal Matrix (LCM) displays all of the feature menu and
status.
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