In Case of Trouble ......................14 Parasound Zonemaster Z-12 Specifications ..............16 Special Features of the Parasound Zonemaster Z-12 50 Watts Per Channel into 8 , Less than 0.2% THD 100 Watts Per Channel Pair Bridged into 8 , Less than 0.2% THD...
IMPORTANT SAFETY INSTRUCTIONS The lightning flash with the arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of “dangerous voltage” inside the product that may constitute a risk of electric shock. The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance instructions in the literature accompanying the product.
If you notice any, contact your Parasound Dealer immediately. Save the carton and all of the packing materials in case you ever need to ship your amplifier for repair. Before you proceed, locate the serial number on...
3) Do not place the Z-12 on carpeting or any other material that could obstruct airflow through the ventilation holes in the bottom of its chassis. 4) Never stack the Z-12 between other components because hot air will quickly become trapped and cause overheating of the amplifier and the other units.
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Independent Input Connections Each channel has its own Local RCA input jack which is independent from the main Left and Right input buses. To assign an amplifier channel to its independent input, move its Input Assignment Switch to the furthest right Local position. In the other three positions of this switch the amplifier channel will receive its signal from the Left and/or Right Input Bus.
Speaker Connections Five-Way Speaker Terminals You can connect bare wire up to AWG 12, speaker wire terminated with 1/4" spade lugs, or banana plugs (provided) to the 5-way speaker terminals. The terminal positions are staggered to give you more room to make connections using bare wire or spade lugs. If you use bare wires, remove only enough insulation so the exposed bare wire can fit through the hole in the terminal’s binding post.
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This recommendation results from the mathematics of bridged mono operation. In the mono mode each amplifier channel functions for only the positive or negative half of the audio waveform. As a result, each channel “sees” only half of the speaker’s rated impedance. Use of an 8 speaker results in a load impedance of only 4 per channel.
Trigger Input Connection The Z-12 can be triggered on with an external DC voltage source that ranges from between +9 V and +12 V. Many audio video controllers such as the Parasound AVC-2500 have trigger outputs for this task. To activate the Z-12 with an external voltage source, connect one end of the provided 2.5 mm sub-mini plug to a +9 V to +12 V source and the other end to the +12 V Trigger Input of the Z-12.
During this time, the protection circuits should automatically reset. If Standby remains lit after overload conditions or faulty speaker connections are corrected, it may indicate an internal fault. If this occurs, contact your Parasound Dealer, Installer or Parasound Technical Service for further advice.
Remote enable is disabled by the system controller Maintaining Your Parasound Amplifier Your Parasound power amplifier requires no periodic maintenance and has no user serviceable parts inside. To avoid the risk of electric shock, do not remove the top cover. The amplifier’s exterior can easily be cleaned with a soft cloth moistened only with a few drops of water or glass cleaner.
Important Notice before Shipping your Z-12 Before you ship the unit to Parasound, you MUST repack the unit into its fitted foam insert sandwich and its original carton. Use of any other carton and packing materials will probably result in shipping damage.
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