User manual ART PR8 PRO

[. . . ] The PR8 PRO is designed to protect a wide range of equipment from sensitive vintage tube amplifiers to large displays or digital systems. Your equipment will sound and work better and live longer. Maintains 117VAC (+/-5VAC) when AC input is between 97 and 137VAC Output In Regulation LED indication Extreme voltage shutdown if input >140V or <80V LCD AC line input and output voltage display Front panel unswitched and unregulated output 1800 Watt total power capacity Front panel master breaker and power switch EMI and RFI filtering Surge and Spike Protection Very low stray magnetic field leakage Multitap toroidal autoformer design 1. 75"(165mm) high x 19. 0"(482mm) wide x 11. 5"(292mm) deep 14. 6 lbs. (6. 6kg) OPERATION POWER SWITCH The PR8 PRO has a master POWER switch for the rear outlets. [. . . ] Unlike voltage regulators that employ ferro-resonant transformers, PR8 PRO is not sensitive to slight errors in the AC line frequency, making it ideal for use with portable generators. LCD The LCD display on the front panel monitors the AC line input voltage and the regulated AC output voltage that the PR8 PRO is supplying. MAXIMUM LOAD The eight circuit breaker protected outlets are rated at 15 amps total, which is equivalent to 1800 watts at 120 volts. If the total current coming into the PR8 PRO exceeds 15 amps, the circuit breaker on the front panel will trip, cutting off power to all outlets. If this happens, reduce the overall load by unplugging one or more units from the PR8, then push the circuit breaker button in to reset it. ADVANCED POWER FILTERING The PR8 PRO has specialized internal circuitry to filter out digital and dimmer hash as well as any high frequency noise that is above the audio range. By using both Common Mode and Differential Mode topologies in series for the filter design we are able to block virtually all of the unwanted noise that is between the AC line and ground, and also the two sides of the AC line. This has the additional benefit of reducing ground loop problems in your system. High frequency noise currents in particular are highly attenuated in both directions so that any line noise that could be generated by one of your components is not allowed to get back into your main AC wiring, so if you use a PR8 PRO in your setup, you can distribute and isolate the noisy components from the sensitive components in your system. Additionally, any signals above 10 kHz are filtered from the line with typically 40dB of attenuation above 100 kHz. The PR8 PRO also protects your delicate electronic equipment with high voltage varistor (MOV) surge and transient suppressors. The fast-acting suppression circuit responds in less than a nanosecond, clamping transient voltages to safe levels. WARNINGS All operating instructions should be read before using this equipment. To prevent the risk of electrical shock, do not remove the cover or the back. There are no user-serviceable parts inside. Please refer servicing to a qualified service technician. Do not expose this unit to rain or moisture or to heat sources such as radiators, stoves, or other items that generate excessive heat. This unit should be cleaned only with a damp cloth. When moving this equipment, it should be placed in its original carton and packing, to reduce the risk of damage in transit. WARRANTY INFORMATION Limited Warranty Applied Research and Technology will provide warranty and service for this unit in accordance with the following warrants: Applied Research and Technology, (A R T) warrants to the original purchaser that this product and the components thereof will be free from defects in workmanship and materials for a period of three years from the date of purchase. Applied Research and Technology will, without charge, repair or replace, at its option, defective product or component parts upon prepaid delivery to the factory service department or authorized service center, accompanied by proof of purchase date in the form of a valid sales receipt. [. . . ] 2) If you believe the ART unit is at fault, go to www. artproaudio. com. You may contact Customer Service for more assistance, or directly request a Return Authorization for service in the "resources" area of the website. 3) If you are returning the unit for service, pack the unit in its original carton or a reasonable substitute. The original packaging may not be suitable as a shipping carton, so consider putting the packaged unit in another box for shipping. [. . . ]