Yamaha 2201 Manuel

YAMAHAAUTHORIZEDPRODUCT MANUALP-2200/2201SYSTEM AMPLIFIER

PERFORMANCE GRAPHS &A DISCUSSION OF SPECIFICATIONSNOTE: In the discussion beginning on Page FOUR 5,references to specific specifications assume no

Fig. 9 - Actual Output Impedance vs Frequency Fig. 10 - Crosstalk (Channel Separation)Fig. 11 - Phase Response vs Frequency Fig. 12 - Power Consumptio

Mono Mode GraphsFig. 14 - Power Bandwidth vs Frequency (Mono Mode)at 16 Load ImpedanceFig. 15 - Load Impedance vs Output Power (Mono Mode)at 0.1% T

The following are actual oscilloscope photographsmade by an independent testing laboratory. The closevertical alignment of input and output traces in

POWER OUTPUTTypes of Power RatingsPeak power refers to the maximum undistorted poweroutput of an amplifier. Most amplifiers cannot sustaintheir peak p

Intermodulation Distortion, or I.M. is characterizedby the appearance in the output waveform of fre-quencies that are equal to sums and differences of

HUM AND NOISEHum or noise from a power amplifier disrupts aprogram, and is irritating to a listener. Hum and noisecould be considered a form of distor

During the "overshoot" movement, the voice coil ofthe loudspeaker interacts with the loudspeaker's magneticassembly to produce a voltag

THE DISTINCTION BETWEENPROFESSIONAL AND HI-FIEQUIPMENTIn most applications, a variety of auxiliary equipmentwill be connected to the P-2200, including

Cables from high impedance sources (5000 ohms andup), should not be any longer than 25', even if lowcapacitance cable is used; shorten the cables

P-2200/2201OPERATING MANUAL

Fig. 33 - Dynamic Range in an Audio SystemNOTE: The P-2200 actually has a maximum signal to noise ratio of 110dB(which is its dynamic range!. The SYST

The P-2200 is designed for these wide dynamic rangeapplications. It has exceptionally low noise figures, andhigh headroom capabilities (high power out

INSTALLATION AND DETAILEDOPERATIONPHYSICAL MOUNTINGShelf MountingThe P-2200 can be used on any surface, so long asthere is adequate ventilation. Do no

Regarding Input Impedance and TerminationsThere is sometimes a misunderstanding regarding thenature of matching or bridging inputs, the use of termi-n

Fig. 39A - Pads Constructed in Mini-Boxes.above +30dBm, use 1 watt, low inductance resistors.10% tolerance is acceptable for most pads.Fig. 39B - Pad

has a stereo phone jack input, but if the input source ismonaural, the transformer lead to the ring of the T.R.S.input jack may be moved to the jack&a

bridging transformer box should be used. While matchingor step up transformers like those just described wouldmaintain a balanced feed, several such b

approximately -50dB (2.45mV) for a microphone,+4dB (1.23 volts) for a line level signal. The exact volt-age is not critical, and 1000Hz is a standard

use, a cable with rubberized insulation and braidedshield (such as Belden #8413 or #8412) will handleeasily and survive road abuse; for permanent wiri

The preparation of complete cables, with connectorsproperly installed, is the key to reliable and trouble-freeoperation of any sound system. For this

ABOUT THIS MANUALSCOPEThe P-2200 is a system oriented amplifier, made to beused in conjunction with mixers, consoles, frequencydividing networks and s

WIRING A MALE XLR CONNECTORPans identification (as the connector is usuallypackaged).Insert strain relief in rear of shell. Then slip shellonto cable

WIRING A FEMALE XLR CONNECTORParts identification (as the connector is usuallypackaged).Insert strain relief in rear of shell. Then slip shellonto cab

WIRING A STANDARD PHONE PLUG (2-conductor)Parts identification.Slide shell, then insulating collar over cable end. Stripouter insulation for length eq

Use of the Input Polarity Switch on the P-2200The XLR input connectors on the P-2200 are un-balanced. In one position, the switch beside the con-necto

if higher quality transformers were used. Thus,"economy" transformers, may actually cost more inthe long run than higher quality professiona

grounding and shielding, and by the use of balanced,twisted pair cables.EMI: EMI (electro-magnetic interference) usually comesfrom power transformers

Fig. 58 - Avoiding Ground Loops in an Unbalanced System.In any audio system, there are numerous ways bywhich ground loops can be created. For example,

Fig. 61 - Use of Ground Lift Switchsystem. This problem is usually most noticeable withsensitive equipment such as the mixer. Lifting the ACground at

Fig. 62D - 110V AC Outlets with Lifted Neutral. Outlets willoperate with voltage varying from 0 to 220V AC creating shockhazard and causing possible e

Fig. 63A - Input Splitter Transformer Setup to Operate P-2200 in "Mono" Mode.Fig. 63B - Output Connections for Operating P-2200 in"Mono

THE P-2200/2201 BRIEF OPERATING INSTRUCTIONS SECTION ONEINTRODUCTION SECTION TWOGENERAL SPECIFICATIONS SECTION THREEPERFORMANCE GRAPHS & A DISCUSS

APPLICATIONSBIAMPLIFICATION AND TRIAMPLIFICATIONBiamplification, or "biamping," triamplification, or"triamping," all refer to the

8-ohm load, it must be rated at 366 watts (power isproportional to voltage squared). Since the P-2200 isonly capable of 230 watts, this waveform is cl

woofer, midrange and tweeter must be the same for mostpassive, high level crossover systems). If possible, choosethe crossover frequency and slope by

EQUALIZATION, HIGH AND LOW PASS FILTERSEqualization, originally, was the process of"equalizing" the levels of the various audio frequencyban

medium. At the same time, the studio monitors oraudience foldback system might require graphic equali-zation to suit very different ends.Professional

range, the clipping may sound like an irritating sizzlethat only happens on certain sounds. Similarly, clippingin the low frequencies can cause bass n

frequencies or very high frequencies, such as RF oscilla-tions. Some 70-volt transformers have attached pro-tection capacitors for use with high frequ

Concert SoundFigure 73 illustrates the P-2200 in a typical setup forconcert reinforcement. Note that there are a number ofcompletely separate feeds, w

Portable Instrument AmplifierFigure 74 details possible connections for a portablesetup for an electric bass. Ideal for this application, theP-2200 ca

DiscothequeDisco systems, such as the one diagrammed inFigure 75, really test an amplifier's endurance. Themusic from a record album may be highl

THE P-2200/2201 BRIEF OPERATING INSTRUCTIONSFig. 1A - P-2200 Front PanelFig. 1B - P2201 Front PanelA. Input AttenuatorsCalibrated, stepped input atten

Commercial Sound SystemsFigure 76 diagrams a theatre reinforcement systemfrom the viewpoint of its power amplifier. Note the timedelay device that fee

The factory paging/background music system inFigure 77 also shows the P-2200 used in "mono"70-volt mode. One P-2200 feeds the main factory a

APPENDIXDEFINITION OF TERMS: dB, dBV, dBm and dB SPLThe term dB, which means decibel (1/10th of a Bel)expresses a ratio. The dB notation allows us to

be valid only at a single load impedance, usually 600 or150 ohms.It's common to rate a mixer's maximum output indBm referenced to 600-ohms,

The Voltage across the Resistor is Less Than the SourceVoltage due to the voltage drop across the output resistor RO:An "Impedance" is some

Fig. 81 - Series and Parallel Impedances.VOLTAGE AND CURRENT DIVISIONWhen two or more impedances are connected in seriesacross a voltage source they s

BALANCED, UNBALANCED, ANDFLOATING CIRCUITSUnbalanced, balanced and floating circuits may all betransformer isolated. The distinction between them lies

NOTES:"N1 " is the number of turns on the primary side ofthe transformer, "N2" is the number of turns on thesecondary side of the

SINCE 1887YAMAHA

YAMAHAYamaha Corporation of America P2200/2201 OM6600 Orangethorpe Avenue, P.O. Box 6600, Buena Park, CA 90622-660011/17/98 98109

Fig. 2A - P-2200 Rear Panel*Fig. 2B - P2201 Rear Panel*A. Input ConnectorsThe two XLR input connectors on each channel areunbalanced and are wired in

INTRODUCTIONThe P-2200 is not just "another big amplifier;" it isan exciting new approach to high power sound. Yamaha'sleadership is cl

GENERAL SPECIFICATIONSPower Output Per Channel: (Refer to Figure 3. Ambientroom temperature for tests: 25-degrees Centigrade.)200 Watts continuous ave

Controls:22-position, log-linear, detented, and dB-calibratedINPUT ATTENUATORS (one per channel)attenuate input signal in 2dB steps from 0dBattenuatio