Yamaha MFC1 Specifications

YAMAHADigital Multi-Effect ProcessorOperating Manual/

MIDI Bank and Channel ProgrammingWhen this function is called, the LCD will appear asfollows:Use the PARAMETER INCREMENT/DECREMENT keysto select the d

DESCRIPTION OF PROGRAMS AND PARAMETERSThe preset programs in the SPX90 II fall into the following types: REV (Reverb), ER1 and ER2 (Early Reflections)

This effect, commonly used in contemporary record-ings, produces independently variable left-and right-channel signal delays. The result is an intrigu

STEREO FLANGEA combination of Delay and LFO (Low FrequencyOscillation) modulation, the popular Flanging effect candramatically thicken the sound of ke

STEREO PHASINGThe SPX90 II can produce a wide range of Phasing ef-fects from a barely perceptible shift to a rapid pulsa-tion. Phasing lends an animat

tion of the PITCH CHANGE program. For example,if BASE KEY = C4, then pressing the C3 key on thesynthesizer keyboard will set the pitch change valueto

TRIGGERINGMANUAL ModeTo actually begin recording if the MANUAL modehas been selected, press the PARAMETER IN-CREMENT key. The SPX90 II will record for

5. PLAYBACKTo play back the recorded material, press thePARAMETER key to enter the playback standbymode. The LCD will display the “PLAY” message.To ac

This program feeds the reverb signal through a gate cir-cuit, making it possible to output only a segment of alonger reverb sound. Parameters provided

6. DECAY LEVEL. Range: 0 ~ 100%Determines the level at which the gate remains openfor the HOLD TIME. The lower the value the lowerthe HOLD gate level.

INTRODUCTIONCongratulations on your purchase of a Yamaha SPX90II Digital Multi-Effect Processor. The SPX90II is an amalgam of advanced acousticalresea

PANTRIGGERED PANThis program automatically pans the sound image bet-In this program the pan effect is triggered by the inputween left and right in the

This program makes it possible to add delay vibrato ef-fects to virtually any instrument or sound. When theinput signal exceeds a programmed trigger l

SAMPLE APPLICATlONSMIDI KEYBOARD PERFORMANCE SYSTEMIn this system the SPX90 II is connected immediately following a MIDI keyboard, and its output feed

RECORDING SYSTEMIn a recording system it is most desirable to have the SPX90 II input and outputs available at a patch bay where they may accessed and

SPECIFICATIONSNumber of ChannelsNominal LevelImpedanceLevel ControlLevel MonitorA/D CONVERSIONUnbalanced x 1 (Phone Jack)- 20 dBm/+4 dBm, Selectable10

ROM CONTENTS AND CONTROLABLE PARAMETERS2425

EARLY REFLECTION MODE CHART ROOM SIZE CHARTROOM SIZE : 1.0HALLROOM SIZE : 4.0ROOM SIZE : 1.0RANDOMROOM SIZE : 4.0ROOM SIZE : 1.0REVERSEROOM SIZE : 4.

BLOCK DIAGRAMDIMENSIONSUnit : mm (Inch)28

USER PROGRAMMING TABLE29

[ Digital Sound processor ] Date :11/28, 1980Model SPX90-2 MIDI Implementation Chart Version : 1.0 Recognized Remarks Function . . . Basic Default 1

PRECAUTIONSNOTE:It is vital to read this section before using your SPX90 II Digital Multi-Effect Processor. This unit utilizesstate-of-the-art digital

SINCE 1887YAMAHANIPPON GAKKI CO., LTD. HAMAMATSU, JAPANSERVICEThe SPX90II is supported by Yamaha’s worldwide networkof factory trained and qualified d

FRONT PANELPower ON/OFF SwitchWhen the power is turned ON, the program whichwas selected immediately before the power wasturned OFF will be re-selecte

REAR PANELRemote Control ConnectorPermits remote access to SPX90 II effect programs.The optional remote control unit, model RC7, per-mits direct acces

BASIC OPERATIONSBefore actually selecting or editing programs on your SPX90 II, make sure that all connections have been madeproperly, and that the IN

3. Use PARAMETER INCREMENT/DECREMENT keysto set desired value of the selected parameter.NOTE: A description of each parameter and its effectwill be gi

OUTPUT BALANCE AND LEVELPROGRAMMINGThe BALANCE key selects the BALANCE and OUTPUTLEVEL functions for all programs.1. Press the BALANCE key while any p

UTILITY FUNCTIONSThe UTILITY key provides access to four utility func-tions. These functions are selected in the following se-quence each time the UTI