Operation Manual Digital Power Amplifier DPA-300S/600S/900S/1200S DPA-300SO/600SO/900SO/1200SO * Rack mount products in the Western Hemisphere(North America, South America, and the Caribbean) do not have handles installed due to customer preference.
DIGITAL POWER AMPLIFIER Welcome A personal welcome to you from the management and employees of Inter-M All of the co-workers here at Inter-M are dedicated to providing excellent products with inherently good value, and we are delighted you have purchased one of our products. We sincerely trust this product will provide years of satisfactory service, but if anything is not to your complete satisfaction, we will endeavor to make things right.
DIGITAL POWER AMPLIFIER Contents Unpacking .......................................................................................................................................2 Installation Environment....................................................................................................................................2 Important Safety Instructions.............................................................................................................2 Features........................
DIGITAL POWER AMPLIFIER Unpacking Although your DPA-300S/600S/900S/1200S, DPA-300SO/600SO/900SO/1200SO is neither complicated nor difficult to operate, we recommend you take a few minutes to read this brief manual and familiarize yourself with the important information regarding product features, setup and operation. As with most electronic devices, we strongly recommend you retain the original packaging.
DIGITAL POWER AMPLIFIER Features - High Performance Class-D Power PA Amplifier High performance Class-D Power amplifiers produce 300/600/900/1200W rated power each channel. - Emergency Power Back Up (24VDC) Capability The unit operates on a DC24 V battery power supply for emergency back up without UPS (DPA-SO models are not included with emergency power back Up (24VDC)) - Rated Output Power Via DC Backup Supply Output power can be maintained as AC power when 24VDC power supplied.
DIGITAL POWER AMPLIFIER Front Panel DPA 1200S DIGITAL POWER AMPLIFIER 1. SYSTEM POWER INDICATORS When Power switch is on, AC or DC LED will illuminate depending on input Power source. When Power switch is off, STBY LED will illuminte. ※NOTE: During operation of DC, amplifier is keep going to work even if the switch of power is turned off.
DIGITAL POWER AMPLIFIER Rear Panel 1 2 3 4 5 PRIORITY SW N.C AC INPUT + DC INPUT 21V-27V MAX 60A INPUT 1 COM + - G PRIORITY VOLUME MIN AC POWER REMOTE OUTPUT OUTPUT VOLTAGE 100V 70V 7 6 MAX PGM INPUT +-G 8 9 1. AC MAINS (AC INLET) It accepts a standard IEC mains cable, provided 2. DC INPUT TERMINAL Emergency DC back up power (24VDC) terminal. When AC power is cut off, The unit will operate with DC power from spare battery pack.
DIGITAL POWER AMPLIFIER 8. OUTPUT VOLTAGE SELECTOR This two-position switch is used to select a output voltage (100V or 70V). 9. PGM INPUT CONNECTOR Balanced 3-pin terminal block connector accept the source input.
DIGITAL POWER AMPLIFIER Speaker Connection Before connecting speakers to the unit, be sure to disconnect the AC power cable. Make certain that the total impedance is not less than the rated impedance indicated. .... 10W 10W 10W 10W ※ Caution: 1. Make sure that the total impedance does not equal or less than the rated impedance. Speaker Output 300W 600W 900W 1200W Speaker Impedance 100V / 33.3Ω 70V / 16.3Ω 49V / 8Ω 100V / 16.6Ω 70V / 8.2Ω 69.3V / 8Ω 100V / 11.1Ω 70V / 5.4Ω 84.9V / 8Ω 100V / 8.
DIGITAL POWER AMPLIFIER Applications PRIORITY INPUT SW N.
DIGITAL POWER AMPLIFIER Block Diagram DPA-300S/600S DPA-300S/600S/900S/1200S, DPA-300SO/600SO/900SO/1200SO 9
DIGITAL POWER AMPLIFIER DPA-900S/1200S 10 DPA-300S/600S/900S/1200S, DPA-300SO/600SO/900SO/1200SO
PRI SELECT 1 COM GND PRI- PRI+ GND PGM- P/C 0dB 0dB PRI VOLUME PGM VOLUME +12dB +12dB PGM/PRI TOGGLE LPF 35kHz CLIP(RED) SIG(GRN) -10dB(GRN) 100 / 70V SWITCH GAIN= 0/-3dB FAN START 65ŭ PROTECT MORE THAN 85ŭ FAN CONTROL TEMPERATURE DETECTION FAN PROTECTION OCP, OTP PWM -HV +HV AC RECTIFIER PFC SMPS ST-BY MAIN 2nd ORDER LPF -VA +VA -HV +HV SPEAKER OUTPUT 100/70 Vrms DPA-300SO/600SO PRI PGM PGM+ DIGITAL POWER AMPLIFIER DPA-300S/600S/900S/1200S, DPA-300SO/600SO/900
12 PRI SELECT 1 COM GND PRI- PRI+ GND PGM- P/C 0dB 0dB PRI VOLUME PGM VOLUME +12dB +12dB PGM/PRI TOGGLE LPF 25kHz SIG(GRN) -10dB(GRN) CLIP(RED) HPF 60Hz 100 / 70V SWITCH GAIN= 0/-3dB FAN FAN START 65ŭ PROTECT MORE THAN 85ŭ FAN CONTROL TEMPERATURE DETECTION PWM -HV +HV AC RECTIFIER SMPS ST-BY MAIN 4th ORDER LPF PROTECTION OCP, OTP -VA +VA -HV +HV SPEAKER RELAY SPEAKER OUTPUT 100/70 Vrms DPA-900SO/1200SO PRI PGM PGM+ DIGITAL POWER AMPLIFIER DPA-300S/600S/900S/12
DIGITAL POWER AMPLIFIER Specifications DPA-300S DPA-600S DPA-900S DPA-1200S Rated Output Power (T.H.D 0.1%, AES17) 300W 600W 900W 1200W Peak Power 480W 680W 1050W 1260W 100V/33.3Ω 70V/16.3Ω 49V/8Ω 100V/16.6Ω 70V/8.2Ω 69.3V/8Ω 100V/11.1Ω 70V/5.4Ω 84.9V/8Ω 100V/8.3Ω 70V/4.1Ω 98V/8Ω Output Level/Impedance Input Sensitivity T.H.D (AES17) 1V/10kΩ Rated Power Less than 0.1% 1/3 Power Less than 0.
DIGITAL POWER AMPLIFIER DPA-300SO DPA-600SO DPA-900SO DPA-1200SO Rated Output Power (T.H.D 0.1%, AES17) 300W 600W 900W 1200W Peak Power 480W 680W 1050W 1260W 100V/33.3Ω 70V/16.3Ω 49V/8Ω 100V/16.6Ω 70V/8.2Ω 69.3V/8Ω 100V/11.1Ω 70V/5.4Ω 84.9V/8Ω 100V/8.3Ω 70V/4.1Ω 98V/8Ω Output Level/Impedance Input Sensitivity T.H.D (AES17) 1V/10kΩ Rated Power Less than 0.1% 1/3 Power Less than 0.
DIGITAL POWER AMPLIFIER ※ DIMENSIONS DPA-300S/600S, DPA-300SO/600SO/900SO/1200SO DPA-300S/600S/900S/1200S, DPA-300SO/600SO/900SO/1200SO 15
DIGITAL POWER AMPLIFIER DPA-900S/1200S 420 440 88 482 16 DPA-300S/600S/900S/1200S, DPA-300SO/600SO/900SO/1200SO
DIGITAL POWER AMPLIFIER Service Procedures Take steps to insure the problem is not related to operator error or other products within the system. Information provided in the troubleshooting portion of this manual may help with this process. Once it is certain that the problem is related to the product contact your warranty provider as described in the warranty section of this manual. Schematic A Schematic is available by contacting your warranty provider.
Inter-M, Ltd. (Korea) began operations in 1983. Since then, Inter-M has grown to become one of the largest manufacturers of professional audio and commercial sound electronics equipment in the world. Inter-M has gained worldwide recognition for its own branded products, as well as private label manufacturing of electronics sold under other names (OEM).
