background image

18

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

Total Harmonic Distortion

0.1% maximum harmonic distortion at any level from 

250 milliwatts to one-half of rated power output, 20Hz 

to 20,000Hz.

0.5% maximum harmonic distortion at any level from 

one-half to full rated power output, 20Hz to 20,000Hz.

Dynamic Headroom

1dB, 8 ohm load

1.6dB, 4 ohm load

Frequency Response

+0, -0.5dB from 20Hz to 20,000Hz

+0, -3.0dB from 10Hz to 70,000Hz

Input Sensitivity (for rated output)

2.4 Volts Balanced

1.2 Volts Unbalanced

Signal To Noise Ratio (A-Weighted)

90dB (112dB below rated output) Balanced

88dB (110dB below rated output) Unbalanced

Intermodulation Distortion

0.1% maximum if the instantaneous peak power 

output does not exceed the rated power output, for any 

combination of frequencies from 20Hz to 20,000Hz.

Wide Band Damping Factor

Greater than 320, 8 Ohm load

Greater than 160, 4 Ohm load

Input Impedance

10,000 ohms Balanced

10,000 ohms Unbalanced

Voltage Gain

29dB

Trigger Input

5-15VDC, less than 1mA

Trigger Output

12VDC, 50mA maximum

Output is delayed 0.2 seconds from turn On

General Specifications

Power Requirement

100V - 240V 

50/60Hz at 130 Watts

Standby: less than 0.5 watt

Note: All Specifications are with AC Line voltage of 

120V.

Overall Dimensions

Width is 17-7/8 inches (45.4cm)

Height is 3-3/8 inches (8.6cm) including feet

Depth is 20 inches (50.8cm) including the Cables

Weight

27 pounds (12.2 kg) net, 31.5 pounds (14.3 kg) in ship

-

ping carton

Shipping Carton Dimensions

Width is 22-1/2 inches (57.2cm)

Height is 8-1/8 inches (20.6cm)

Depth is 22-1/2 inches (57.2cm) 

Summary of Contents for a315

Page 1: ...Wadia Digital LLC 2 Chambers Street Binghamton New York 13903 2699 Phone 607 723 3539 Fax 607 724 0549 www wadia com a315 power amplifier Owner s Manual ...

Page 2: ...d for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet 10 Protect the power cord from being walked on or pinched particularly at plugs convenience re ceptacles and the point where they exit from the apparatus 11 Only use attachments accessories specified by the manufacturer 12 Use only with the cart stand tripod bracket or...

Page 3: ...e insurance claim or future service The spaces below have been provided for you to record that information Serial Number ________________________________ Purchase Date ________________________________ Dealer Name _________________________________ Wadia Digital founded in 1988 is one of the original companies dedicated to high performance digital audio reproduction Wadia is based on the philosophy ...

Page 4: ...resume 5 The protection circuits will also activate when improper connections are made to the Loudpeaker Output Terminals Caution The Loudspeaker Output Negative Terminal Connections are not connected to chassis ground Do not combine any of the Loudspeaker Ouput Terimals Positive or Negative connections together ground them or connect with another amplifier General Information and Connector Inform...

Page 5: ...one extremely stable to ensure noise free operation even though the power line varies Trigger Input and Output Connections The Trigger Input and Output connection provides convenient Turn On Off of additional Power Ampli fiers and or Source Components Gold Plated Connectors The Input and Output Connector Contacts are gold plated for superior corrosion resistance and high elec trical conductivity C...

Page 6: ...ion for your a315 There is additional information on the next page pertaining to installing the a315 into cabinets Side View of the a315 Front View of the a315 17 7 8 45 4cm 2 7 8 7 3cm 3 3 8 8 6cm 16 7 16 41 8cm Rear View of the a315 17 7 8 45 4cm 16 7 16 41 8cm 17 7 8 45 4cm 19 1 8 48 6cm ...

Page 7: ...le operat ing 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 1cm on each side of the a315 so that airflow is not obstructed Allow 20 inches 50 8cm of depth for airflow and cable connections a315 Side View a315 Front View 6 1...

Page 8: ... a 4 ohm or 8 ohm Loudspeaker AUTO OFF Power Save Feature is either DISabled or ENAbled LEFT OUTPUT Connections for a 4 ohm or 8 ohm Loudspeaker BALanced INPUTS for audio cables from a Preamplifier audio output Caution The Loudspeaker Output Negative Terminal Connections are not connected to chassis ground Do not combine any of the Loudspeaker Ouput Terimals Positive or Negative connections togeth...

Page 9: ...9 ...

Page 10: ...mpedance of 4 ohms or 8 ohms Connect a single Loudspeaker only to the Right and Left Output Terminals When connecting Loudspeakers to the a315 it is very important to use cables of adequate size so there is little to no power loss in the cables The size is specified in Gauge Numbers or AWG American Wire Gauge The smaller the Gauge number the larger the wire size Loudspeaker Cable Distance vs Wire ...

Page 11: ...larities Insert the spade lug connector or prepared section of the cable end into the terminal side access hole and tighten the terminal cap until the cable is firmly clamped into the terminals so the lugs or wire cannot slip out Refer to figures 5 and 6 Refer to General Information Note 3 on page 4 for additional information WARNING Loudspeaker terminals are hazard ous live and present a risk of ...

Page 12: ...ut L R of an Audio Preamplifier Source Device to the amplifier one UNBALanced INPUTS Right and Left Note Place the INPUT MODE Switch to the UN BALanced position 4 Connect balanced XLR cables from the Balanced Output L R of an Audio Preamplifier Source Device to the amplifier two BALanced INPUTS Right and Left Note Place the INPUT MODE Switch to the BAL anced position The Wadia a315 Power Amplifier...

Page 13: ...es Refer to General Information Note 3 on page 4 for additional information WARNING Loudspeaker terminals are hazardous live and present a risk of electric shock For additional instruction on mak ing Loudspeaker Connections contact your Wadia Dealer or Wadia Technical Support 9 Connect the a315 Power Cord to an active AC outlet Spade Lug or Wire Connections 10 Connect the Loudspeaker hookup cables...

Page 14: ...14 STANDBY ON Push button with indicator switches the a315 ON or OFF Standby Front Panel Display and Push button ...

Page 15: ...there is a Trigger Input Connection between the a315 and a Preamplifier or Source Device the Power Save Feature in the a315 is bypassed With the a315 connected via Trigger Control to a Preamplifier Source Device with the Power Save Feature and the feature is active the a315 will switch Off with the Preamplifier Source Device after a period of inactivity There may be times when it would be desirabl...

Page 16: ...16 ...

Page 17: ...17 Photos ...

Page 18: ... rated output Balanced 88dB 110dB below rated output Unbalanced Intermodulation Distortion 0 1 maximum if the instantaneous peak power output does not exceed the rated power output for any combination of frequencies from 20Hz to 20 000Hz Wide Band Damping Factor Greater than 320 8 Ohm load Greater than 160 4 Ohm load Input Impedance 10 000 ohms Balanced 10 000 ohms Unbalanced Voltage Gain 29dB Tri...

Page 19: ...hipping damage Use the original shipping carton and interior parts only if they are all in good serviceable condition If a shipping carton or any of the interior part s are needed please call or write Customer Service Depart ment of Wadia Refer to page 4 Please see the Part List for the correct part numbers Quantity Part Number Description 1 034555 Shipping carton only 1 034556 Top foam pad 1 0345...

Page 20: ...nt 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 LLC 2 Chambers Street Binghamton NY 13903 www wadia com Wadia Digital Part No 04152100 ...

Reviews: