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Summary of Contents for Pass XA30.5
- Page 1 ® XA30.5 Owner’s Manual May 17, 2007...
- Page 2 In 1998 Pass Labs released the X series of audio power amplifiers, based on the “SuperSymmetric” topology (U.S. Patent #5,376,899) which elicits high power and performance from simple circuits with minimal feedback.
- Page 3 It is easier to make distortions more identical than to remove them with feedback, and this is the operating principle of X amplifiers. Since the X1000, Pass Labs products have continuously evolved toward higher performance. The Class AB “X” series was joined by the Class A “XA”...
- Page 4 Tel (530) 367 3690 Fax (530) 367 2193 Pass Labs, PO Box 219 24449 Foresthill Rd, Foresthill CA 95631 XA30.5 Owner’s Manual...
- Page 5 The power cord should be attached to the amplifier prior to plugging into house power. Place the rear mounted switch in the off (down) position before plugging in this amplifier. XA30.5 Owner’s Manual...
- Page 6 On the rear panel you will also find a pair of 5 way binding posts for external turn-on control. Applying 5 to 12 volts DC at this connection will override the front panel stand-by switch and turn the amplifier on. XA30.5 Owner’s Manual...
- Page 7 1 & 3 on the input XLR. On the XLR connector pin 1 is ground, pin two is positive input and pin 3 is inverted (negative) input. Pin numbers are marked on the XA30.5 Owner’s Manual...
- Page 8 You should be able to put your hands on the heat sinks without undue discomfort for 5 seconds or so. The amplifier has a thermal cutout that will disconnect AC power if the temperature exceeds 75 degrees Centigrade. This thermal cutout XA30.5 Owner’s Manual...
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Page 9: Product Life
15 to 30 years. Fortunately they die gracefully and are easily replaced by a good technician. After that, the longevity will depend upon the number of operating XA30.5 Owner’s Manual... - Page 10 (530) 367 3690 fax: (530) 367 2193 “pass”, “Pass”, “Pass Labs”, “Pass Laboratories”, “Supersymmetery”, “Aleph”, and “Zen” and are all registered trademarks of Pass Laboratories, Inc., and all rights thereto are protected by law. XA30.5 Owner’s Manual...
- Page 11 150 dB (random noise floor to peak output) Balanced CMRR Balanced CMRR Balanced CMRR -60 dB @ 1 KHz DC offset DC offset DC offset < 50 mv Power Consumption 225 watts Temperature 28 degrees C. above ambient at idle XA30.5 Owner’s Manual...
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Page 12: Warranty Information
Removal or alteration of original Pass Labs serial numbers voids the factory warranty. Product with altered or missing serial numbers will be suspected as counterfeit product. Pass Laboratories will not repair or in any way indemnify any counterfeit or cloned product. - Page 13 Servicing: To reduce the risk of fire, electrical shock or other injuries, the user should not attempt to service the device beyond that which is described in the operating instructions. All other servicing must be referred to qualified service personnel. XA30.5 Owner’s Manual...
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