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Owner

'

s Manual

3900 ANNAPOLIS LANE NORTH / PLYMOUTH, MINNESOTA 55447-5447 / PHONE: 763-577-9700  FAX: 763-577-0323

www.audioresearch.com

D E F I N I T I O N   S E R I E S

Model DS450

STEREO POWER AMPLI FI ER

Summary of Contents for DS450

Page 1: ...Owner s Manual 3900 ANNAPOLIS LANE NORTH PLYMOUTH MINNESOTA 55447 5447 PHONE 763 577 9700 FAX 763 577 0323 www audioresearch com D E F I N I T I O N S E R I E S Model DS450 STEREO POWER AMPLIFIER ...

Page 2: ...es 1 Description of Controls 1 Connections 1 2 Single Ended Operation 2 Balanced Operation 2 Installation 2 Remote Turn on Connections 2 3 Operating Procedure 3 Start Up Following Protect Shutdown 3 Servicing 3 Cleaning 3 Disposal and Recycling Guidelines 3 Limited Warranty 4 Specifications 4 ...

Page 3: ...T I O N S E R I E S RIGHT OUTPUT LEFT OUTPUT WARNING RISK OF HAZARDOUS ENERGY MAKE PROPER SPEAKER CONNECTIONS SEE OWNERS MANUAL WARNING RISK OF HAZARDOUS ENERGY MAKE PROPER SPEAKER CONNECTIONS SEE OWNERS MANUAL RIGHT INPUT LEFT INPUT l WARNING TO PREVENT FIRE AND SHOCK HAZARD DO NOT EXPOSE THIS DEVICE TO RAIN OR MOISTURE UNIT MUST BE OPERATED IN A HORIZONTAL POSITION DO NOT OPERATE WITH COVERS REM...

Page 4: ...ton upright in the center of the work area and with a small knife carefully slit the taped edges of the outer carton s top flaps Fold the flaps to the sides and while holding the inner carton in place roll the unit upside down You can now lift the outer carton off and set it and the filler panels aside Now slit the inner carton s taped seams on the bottom now facing upward Again fold the flaps ove...

Page 5: ...a preamplifier or electronic crossover etc having balanced outputs When using the balanced inputs set two rear panel toggles to BAL position Disconnect any single ended cables Installation The amplifier may be installed in a ventilated cabinet observe the following guidelines to maximize the perfor mance and service of your amplifier With proper installation the DS450 may be left on continu ously ...

Page 6: ...ed If the amplifier fails to resume normal operation after removal of a fault condition contact your authorized dealer for further assistance Servicing Because of its careful design and exacting standards of manufacture your DS450 amplifier should normally require only minimal service to maintain its high level of performance CAUTION The DS450 amplifier contains sufficient levels of voltage and cu...

Page 7: ...photocopy of the dated purchase receipt for the product a written description of the problem s encountered and any infor mation necessary for return shipment The cost of return shipment is the responsibility of the purchaser Specifications POWER OUTPUT 450 watts into 8 ohms 550 watts per channel into 4 ohms both channels driven 1 THD 700 watts into 4 ohms one channel driven POWER BANDWIDTH 3dB Poi...

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