Wadia Digital, LLC. 2 Chambers Street Binghamton, New York 13903-2699 a315 power amplifier Owner’s Manual Phone: 607-723-3539 Fax: 607-724-0549 www.wadia.
The lightning flash with arrowhead, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. WARNING - TO REDUCE RISK OF FIRE OR ELECTRICAL SHOCK, DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. IMPORTANT SAFETY INSTRUCTIONS! PLEASE READ THEM BEFORE OPERATING THIS EQUIPMENT. 1. Read these instructions. 2. Keep these instructions. 3.
Thank You All of us at Wadia Digital would like to say thank you, and congratulations for deciding to own this Wadia a315 power amplifier. We sincerely believe this Wadia product will bring you many years of musical enjoyment and satisfaction. Please take a short time to read the information in this manual. We want you to be as familiar as possible with all the features and functions of your new Wadia Product. About Wadia ....
General Information and Connector Information General Information 1. For additional connection information, refer to the owner’s manual(s) for any component(s) connected to the Wadia a315. 2. The Wadia a315 mutes the speaker output for approximately two seconds when first turned on. 3. For the best performance and safety it is important to always match the impedance of the Loudspeaker to the Wadia a315 Power Amplifier Connections (4 or 8 ohms). Refer to “How to Connect” pages 8 thru 11.
Introduction and Performance Features Introduction The Wadia 315 Power Amplifier is one of the finest Digital Power Amplifiers available today. The 150 watts output per channel will drive any high quality Loudspeaker. The a315 reproduction is sonically transparent and absolutely accurate. • Custom Binding Posts Patented gold plated output terminals deliver high current output. They accept large diameter wire and spade lugs. Banana plugs may also be used only in the United States and Canada.
Dimensions Dimensions The following dimensions can assist in determining the best location for your a315. There is additional information on the next page pertaining to installing the a315 into cabinets. Front View of the a315 17-7/8" 45.4cm 2-7/8" 7.3cm 3-3/8" 8.6cm Side View of the a315 19-1/8" 17-7/8" 45.4cm Rear View of the a315 17-7/8" 45.4cm 16-7/16" 41.8cm 6 16-7/16" 41.8cm 48.
Installation Installation The a315 is designed to be placed upright on a table or shelf, standing on its feet. The ventilation requirements are shown. Always provide adequate ventilation for your a315. Cool operation ensures the longest possible operating life for any electronic instrument. Do not install the a315 directly above a heat generating device, such as another Power Amplifier. Allow at least 6 inches (15.2cm) above the top, 5/8 inches (1.6cm) below the bottom and 2 inch (5.
Rear Panel Connections LEFT OUTPUT Connections for a 4 ohm or 8 ohm Loudspeaker RIGHT OUTPUT Connections for a 4 ohm or 8 ohm Loudspeaker TRIGGER IN receives turn On/Off signals from an audio component TRIGGER OUT sends turn On/Off signals to the next audio Component INPUT MODE switch selects between UNBALanced or BALanced Input UNBALanced INPUTS for an audio cable from a Preamplifier audio output 3 AUTO OFF Power Save Feature is either DISabled or ENAbled Connect the Wadia a315 power cord to a live
Output Terminals When connecting the Loudspeaker Hookup Cables to the a315 Power Amplifier Output Terminals please follow the steps below: 1. Rotate the top of the Output Terminal Post counterclockwise until an opening appears. Refer to figures A and B. 2. Insert the Loudspeaker hookup Opening cable into the Output Terminal Figure B Figure A Post opening or the cable spade lug around the center post of the Output Terminal. Refer to figure C. 3.
Output Terminals and How to Connect WARNING: Loudspeaker terminals are hazardous live and present a risk of electric shock. For additional instruction on making Loudspeaker Connections contact your Wadia Dealer or Wadia Technical Support. 7. Connect the a315 Power Cord to an active AC outlet. Spade Lug or Wire Connections: 8. Connect the Loudspeaker hookup cables to the a315 Negative Output Terminal and Positive Output Terminal, being careful to observe the correct polarities.
Output Terminals When connecting the Loudspeaker Hookup Cables to the a315 Power Amplifier Output Terminals please follow the steps below: 1. Rotate the top of the Output Terminal Post counterclockwise until an opening appears. Refer to figures A and B. 2. Insert the Loudspeaker hookup Opening cable into the Output Terminal Figure B Post opening or the cable spade Figure A lug around the center post of the Output Terminal. Refer to figure C. 3.
How to Connect for Bi-Amp Output Terminal one quarter of a turn (90°). Do not over tighten. Refer to figure E. 8. Referring to figure H, connect the Loudspeaker hookup cables with banana plugs into the hole at the end of the a315 Negative and Positive Output Terminals, being Figure H careful to observe the correct polarities. Refer to “General Information” Note 3 on page 4 for additional information. Refer to “General Information” Note 3 on page 4 for additional information.
Front Panel Display and Push-button STANDBY/ON Push-button with indicator, switches the a315 ON or OFF (Standby) 14
How to Operate How to Operate Power On/Off Momentarily press the POWER Push-button to switch the a315 On or Off. Refer to figure 7. 3 Note: There must be a Trigger Control Connection between the a315 and the Audio Preamplifier or Source Device, in order for the remote power turn-on to function. Input Mode Switch The Input Mode Switch, which is located on the Rear Panel of the a315, allows selection of either the BALanced or UNBALanced Figure 9 Inputs. Refer to figure 9.
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Specifications Specifications Power Output Minimum sine wave continuous average power output per channel, with both channels operating at 0.5% Total Harmonic Distortion is: 150 watts into 8 ohm load 250 watts into 4 ohm load Output Load Impedance 8 or 4 ohms Rated Power Band 20Hz to 20,000Hz General Specifications Signal To Noise Ratio (A-Weighted) 90dB (112dB below rated output) Balanced 88dB (110dB below rated output) Unbalanced Intermodulation Distortion 0.
Packing Instructions Packing Instructions In the event it is necessary to repack the equipment for shipment, the equipment must be packed exactly as shown below. It is very important to ensure the proper equipment location between the bottom and top foam pads. Failure to do this will result in shipping damage. Use the original shipping carton and interior parts only if they are all in good serviceable condition.
Wadia Digital, LLC 2 Chambers Street Binghamton, NY 13903 www.wadia.com The continuous improvement of its products is the policy of Wadia Digital who reserve the right to improve design without notice. Printed in the U.S.A. Wadia Digital Part No.
