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 ds225 stereo power ampli fi er owner ' s manual.
Contents model ds225 preface . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 packaging . . . . . . . . . . . . . . . . ....
Model ds225 stereo power ampli fi er d s 2 2 5 h i g h d e f i n i t i o n ® power model ds225 stereo amplifier plymouth, minnesota made in u. S. A. Max power consumption 720 w 50/60 hz ˜ serial volts 6a fuse slo-blo (t3.2a 230v) caution for protection against fire hazard, replace only with same rat...
Preface please take time to carefully read and understand the fol- lowing instructions before you install or attempt to operate this equipment. Becoming familiar with the product and its correct operating procedures will help assure you of maxi- mum musical enjoyment and reliable operation. The effo...
Channel (-) binding post on the amplifier. Connect the red or (+) speaker terminal to the wire that con- nects to the appropriate-channel (+) binding post on the ds225. Using the knurled black knob, tighten the binding posts firmly to assure good contact for best sonic results. For “ bi-wired ” loud...
It is normal for the ds225 power amplifier to run lightly to moderately warm to the touch. All compo- nents within are operated at safe, conservative lev- els and will not be improperly affected, providing the requirements outlined above are adhered to. Remote turn-on connections the ds225 has a bui...
Cleaning to maintain the new appearance of this unit, occa- sionally wipe the front panel and top cover with a soft, damp (not wet) cloth to remove dust. A mild, non-alkaline soap solution or dilute isopropyl alco- hol may be used to remove fingerprints or similar smudges. Cleaners containing abrasi...
Specifications power output: 225 watts per channel into 8 ohms, 1% thd; 360 watts per channel into 4 ohms, both channels driven. Frequency response: (-3db points at 1 watt) 5hz to 55 khz. Input sensitivity: 2.15v rms for rated output (26.0db gain) single-ended or balanced. Input impedance: 150k ohms...
