Page 2 - CONTENTS
I N T R O D U C T I O N Congratulations on your purchase of a Yamaha SPX90 Digital Multi-Effect Processor. The SPX90 is an amalgam of advanced acoustical research and digital technology designed to provide musicians and home recording en- thusiasts with a wide range of exciting effects. The SPX90 Di...
Page 3 - PRECAUTIONS
PRECAUTIONS NOTE: It is vital to read this section before using your SPX90 Digital Multi-Effect Processor. This unit utilizes state-of-the-art digital technology which, although designed to provide years of trouble-free use, requirescareful handling. VOLTAGE RATINGS BACKUP BATTERY Be sure the AC...
Page 4 - FRONT PANEL
FRONT PANEL Power ON/OFF Switch When the power is turned ON, the program which was selected immediately before the power was turned OFF will be re-selected. Due to the safety muting circuit, no sound will be produced by the SPX90 for a few seconds after the power is turned Input Level Control (0 ~ 1...
Page 5 - REAR PANEL
REAR PANEL Remote Control Connector Permits remote access to SPX90 effect programs. The optional remote control unit, model RC7, per- mits direct access to programs 1 through 7 and 31 through 37, while all other preset programs may be accessed sequentially. T h i s L E D l i g h t s w h e n e v e ra...
Page 6 - BASIC OPERATIONS; P R E S E T P R O G R A M S E L E C T I O N
BASIC OPERATIONS Before actually selecting or editing programs on your SPX90, make sure that all connections have been made pro- perly, and that the INPUT LEVEL switch, OUTPUT LEVEL switch, and INPUT LEVEL control have been properlyset according to the source signal and equipment to which the SPX90 ...
Page 7 - STORE: SAVING EDITED PROGRAMS
3. Use PARAMETER INCREMENT/DECREMENT keys to set desired value of the selected parameter. NOTE: A description of each parameter and its effect will be given in the PROGRAMMABLE PARA- METERS section, beginning on page 10. STORE: SAVING EDITED PROGRAMS Once you’ve edited parameters on a preset program...
Page 9 - U T I L I T Y F U N C T I O N S; EDIT TITLE
U T I L I T Y F U N C T I O N S The UTILITY key provides access to four utility func-tions. These functions are selected in the following se- quence each time the UTILITY key is pressed: Normal mode EDIT TITLE MIDI CONTROL MIDI PROGRAM CHANGE FOOTSWITCH MEMORY RECALL Normal mode. The UTILITY key LED...
Page 10 - FOOTSWITCH MEMORY RECALL
MIDI Bank and Channel Programming When this function is called, the LCD will appear as follows: Use the PARAMETER INCREMENT/DECREMENT keys to select the desired BANK, and the MEMORY INCRE- MENT/DECREMENT keys to select the desired MIDI channel number for that BANK. When “CH = OMNI”is selected, recep...
Page 11 - DESCRIPTION OF PROGRAMS AND PARAMETERS
DESCRIPTION OF PROGRAMS AND PARAMETERS The preset programs in the SPX90 fall into the following types: REV (Reverb), ER1 and ER2 (Early Reflections), DELAY, ECHO, MOD (Modulation), GATE, PITCH, FREEZE, PAN, VIBRATO and PEQ (parametric equalizer). Eachof these program types has a specific selection o...
Page 19 - COMPRESSOR
6. DECAY LEVEL. Range: 0 ~ 100% Determines the level at which the gate remains open for the HOLD TIME. The lower the value the lower the HOLD gate level. 7. HOLD TIME. Range: 1 msec ~ 30,000 msec Determines how long the gate stays open, allowing the input signal to pass. 8 . RELEASE TIME. Range: 5 m...
Page 22 - SAMPLE APPLICATIONS; MIDI KEYBOARD PERFORMANCE SYSTEM; BASIC SOUND REINFORCEMENT SYSTEM
SAMPLE APPLICATIONS MIDI KEYBOARD PERFORMANCE SYSTEM In this system the SPX90 is connected immediately following a MIDI keyboard, and its output feeds either an instrument amplifier or sound reinforcement mixing console. The MIDI OUT terminal of the keyboard is connected to the MIDI IN terminal of t...
Page 23 - RECORDING SYSTEM
RECORDING SYSTEM In a recording system it is most desirable to have the SPX90 input and outputs available at a patch bay where they may accessed and patched into virtually any part of the system. In some cases it might be best to have the SPX90 connected directly in line between the source and the m...
Page 24 - SPECIFICATIONS
SPECIFICATIONS INPUT Number of Channels Nominal LevelImpedance Level ControlLevel Monitor Unbalanced x 1 (Phone Jack) – 20 dBm/+4 dBm, Selectable 10 k-ohms Volume, Max. Gain + 12 dB 7 points LED A/D CONVERSION Sampling Freq. QuantizationBand WidthNumber of Channels 31.25 kHz Linear 16 Bit 20 Hz to 1...
Page 25 - ROM CONTENTS AND CONTROLABLE PARAMETERS
Page 29 - USER PROGRAMMING TABLE
USER PROGRAMMING TABLE Program No. Progaram Title Type P a r a m e t e r N e w V a l u e P a r a m e t e r N e w V a l u e Remarks Program No. Progaram Title Type Parameter N e w V a l u e Parameter New Value R e m a r k s 2 9
Page 31 - YA
S I N C E 1 88 7 YA M A H A N I P PO N G A K K I CO ., LT D . H A M A M A TSU , J A P A N SERVICE The SPX90 is supported by Yamaha’s worldwide network of factory trained and qualified dealer service personnel. In the event of a problem, contact your nearest Yamaha dealer. O M D - 1 6 3 8 5 1 2 4 pri...