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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.

Summary of Contents for DPA-1200S

Page 1: ...al 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 t...

Page 2: ...ction It has heed to be easy to disconnect the device To disconnect the device from power separate AC input cable from inlet or unplug the AC Cord CAutION These servicing instructions are for use by q...

Page 3: ...ntents Contents Unpacking 2 Installation Environment 2 Important Safety Instructions 2 Features 3 Front Panel 4 Rear Panel 5 Speaker Connection 7 Applications 8 Block Diagram 9 Specifications 13 Servi...

Page 4: ...urces such as radiators heat registers stoves or other apparatus including amplifiers that produce heat 9 Do not defeat the safety purpose of the polarized or grounding type plug A polarized plug has...

Page 5: ...less than 0 03 THD with a high signal to noise S N ratio of over 103dB Advanced Protection Circuitry Advanced protection circuitry guards against overheating shorted outputs DC output overloads and mi...

Page 6: ...LEDS indicate the amplifier s output signal levels SIG Green 10dB Green Clip Yellow PROTECT Red 3 VOLUME CONTROL Turn the volume controls clockwise to increase gain and counterclockwise to decrease g...

Page 7: ...distance or other device 4 COOLING VENTS Air flow is front to back DO NOT block front or rear air vents 5 PRIORITY INPUT AND CONTACT CLOSURE Each amplifier module has 2 audio inputs The Primary progr...

Page 8: ...0S 600S 900S 1200S DPA 300SO 600SO 900SO 1200SO 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 co...

Page 9: ...the rated impedance indicated Caution 1 Make sure that the total impedance does not equal or less than the rated impedance 2 Do not connects a speaker has lower impedance than rated impedance It may...

Page 10: ...DIGITAL POWER AMPLIFIER 8 DPA 300S 600S 900S 1200S DPA 300SO 600SO 900SO 1200SO Applications Applications...

Page 11: ...DIGITAL POWER AMPLIFIER 9 DPA 300S 600S 900S 1200S DPA 300SO 600SO 900SO 1200SO Block Diagram Block Diagram DPA 300S 600S...

Page 12: ...DIGITAL POWER AMPLIFIER 10 DPA 300S 600S 900S 1200S DPA 300SO 600SO 900SO 1200SO DPA 900S 1200S...

Page 13: ...C LPF 35kHz GAIN 0 3dB 100 70 Vrms PROTECTION OCP OTP CLIP RED SIG GRN 10dB GRN PFC VA VA HV HV ST BY MAIN RECTIFIER AC SMPS 100 70V SWITCH PGM PRI TOGGLE 2nd ORDER LPF FAN FAN CONTROL FAN START 65 PR...

Page 14: ...ME PRI PRI GND PRI COM 1 PRI SELECT 10dB GRN SIG GRN 4th ORDER LPF SPEAKER RELAY PROTECTION SPEAKER OUTPUT 0dB 0dB 12dB 12dB P C PGM PRI TOGGLE LPF 25kHz GAIN 0 3dB OCP OTP 100 70 Vrms CLIP RED PRI VO...

Page 15: ...0V 4 1 49V 8 70V 8 85V 8 100V 8 Input Sensitivity 1V 10k T H D Max Output Power Less than 0 1 AES17 Rated Power 1 3 Power Less than 0 03 S N 20kHz LPF More than 103dB Frequency Response 1W 3dB 50Hz 20...

Page 16: ...70V 5 4 70V 4 1 49V 8 70V 8 85V 8 100V 8 Input Sensitivity 1V 10k T H D Max Output Power Less than 0 1 AES17 Rated Power 1 3 Power Less than 0 03 S N 20kHz LPF More than 103dB Frequency Response 1W 3...

Page 17: ...DIGITAL POWER AMPLIFIER 15 DPA 300S 600S 900S 1200S DPA 300SO 600SO 900SO 1200SO DIMENSIONS DPA 300S 600S DPA 300SO 600SO 900SO 1200SO...

Page 18: ...DIGITAL POWER AMPLIFIER 16 DPA 300S 600S 900S 1200S DPA 300SO 600SO 900SO 1200SO DPA 900S 1200S 440 420 482 88...

Page 19: ...t A Parts List is available by contacting your warranty provider Variations and Options Variations and Options Variations Products supplied through legitimate sources are compatible with local AC powe...

Page 20: ...any but rather a global company that is truly international in scope with factories and offices in Korea and China and sales and marketing operations located in Japan Europe and the U S A With more th...

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