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QSC SPA-3 Owner's Manual

Stereo precision attenuator

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SPA-3
Stereo
Precision
Attenuator
*TD-000100-00*
*TD-000100-00*
Rev. A
1

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Summary of Contents for QSC SPA-3

  • Page 1 SPA-3 Stereo Precision Attenuator *TD-000100-00* *TD-000100-00* Rev. A...
  • Page 2 - 5 . h t i Signal Digital Potentio- meter Input Stage To amplifier, via DataPort Output Stage Micro- Down ½ controller Shift 8.8. 2-Digit 7-Segment Block diagram of one channel of the SPA-3 Display...
  • Page 3: Kit Contents

    An SPA-3 will not physically mount on one of these amplifiers. A DPX-4 accessory bracket, however, can hold up to four SPA-3 units. Use a DataPort cable to connect the SPA-3 to the amplifier. The SPA-3 will draw the power it needs from the DataPort of PowerLight, CX and DCA amplifiers, but if used with an ISA series amplifier, it will require an external 15-volt DC power supply capable of 300 mA, such as a QSC DPX-1.
  • Page 4: Operation

    The buttons, displays, and other features of the SPA-3 V. WARRANTY AND DISCLAIMERS Disclaimer QSC Audio Products, Inc. is not liable for any damage to speakers, amplifiers, or any other equipment that is caused by negligence or improper installation and/or use of the SPA-3. Product Warranty QSC Audio Products, Inc.
  • Page 5: Technical Assistance & Service

    Qualified Service Centers For your convenience, QSC maintains a network of qualified service centers. If you wish to take your QSC product to a local service center, you may call QSC Technical Services for a referral for one near you. However, accessories, input modules, and other peripheral QSC products must be returned to the QSC factory for service.
  • Page 6 “QSC” and the QSC logo are registered trademarks of QSC Audio Products, Inc. 1675 MacArthur Blvd. Costa Mesa, CA 92626 (714) 754-6175 FAX (714) 754-6174 www.qscaudio.com...