Yamaha PS-55 Owner's Manual

POWER AMPLIFIEROwner’s ManualE

10 Wiring5-way binding post(1) Turn off the POWER switch.(2) Remove the cover attachment screws and remove the pro-tective cover from the speaker ter

11Rack MountingMounting in a standard EIA rackIf you are mounting multiple power amplifiers in a rack, be sure to install ventilation panel(s) as shown

12Specifications General Specifications0 dBu=0.775 Vrms, Half Power=1/2 Power Output Level (Rated Power)Specifications and descriptions in this owner’s

13 Block DiagramP7000S, P5000SP3500S, P2500SCHANNEL A[BRIDGE][PARALLEL]INPUTCHANNEL BBAState variableActive filterONOFFYAMAHASPEAKERPROCESSINGState v

14 Dimensions Current DrawP7000SP5000SP3500SLine Current (A) Power (W) Thermal Dissipation100/120V 230/240V In Out Dissipated Btu/h kcal/hstandby 0.

15P2500S1/8 power is typical of program material with occasional clipping. Refer to these figures for most applications.1/3 power represents program ma

For details of products, please contact your nearest Yamaha representative or the authorized distributor listed below.Pour plus de détails sur les pro

2The above warning is located on the topof the unit• Explanation of Graphical SymbolsThe lightning flash with arrowhead symbolwithin an equilateral t

3Precautions— For safe operation —WARNING● Connect this unit’s power cord only to an AC outlet of the typestated in this Owner’s Manual or as marked o

4— For correct operation —● XLR-type connectors are wired as followsPin 1: ground; Pin 2: hot (+); Pin 3: cold (–).● Use of a mobile phone near this u

5IntroductionThank you for your purchase of the YAMAHA P7000S, P5000S, P3500S or P2500S power amplifier.These P-series amplifiers fully incorporate Yama

6Controls and Functions Front Panel1 POWER switch and indicatorPress to toggle the power on or off. The POWER indicatorlights up green when the power

7 Rear Panel1 FILTER switch and FREQUENCY adjustment knob (One pair for each channel)Use these controls to select the filter type and adjust the cutof

84 STEREO/PARALLEL/BRIDGE switchUse this switch to select the operating mode.• STEREO modeChannels A and B operate independently (as with a conven-tio

9Speaker Connections Speaker impedanceSpeakers can be connected to the amplifier as shown below. Note that speaker impedance will vary according to th