Yamaha SPX90 II Operating Manual

Digital multi-effect processor
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YAMAHA
Digital Multi-Effect Processor
Operating Manual
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Summary of Contents for Yamaha SPX90 II

  • Page 1 YAMAHA Digital Multi-Effect Processor Operating Manual...
  • Page 2: Table Of Contents

    In order to take advantage of the vast potential of this component, we urge you to study this manual before connecting the SPX90II to your system. We at Yamaha thank you, and wish you years of enjoyment with your SPX90II. C O N T E N T S TREMOLO ...........
  • Page 3: Precautions

    PRECAUTIONS NOTE: It is vital to read this section before using your SPX90 II Digital Multi-Effect Processor. This unit utilizes state-of-the-art digital technology which, although designed to provide years of trouble-free use, required careful handling. BACKUP BATTERY VOLTAGE RATINGS Be sure the AC supply in your area is appropriate To ensure that User Programs are not lost when the SPX90II’s power is turned off, a built-in long-life...
  • Page 4: Front Panel

    Memory Increment/Decrement Keys muting circuit, no sound will be produced by the These keys select any desired memory number to SPX90 II for a few seconds after the power is call a specific program or store an edited program turned ON.
  • Page 5: Rear Panel

    Input jack 3. REV 2 VOCAL 33. USER PROGRAM This standard unbalanced mono 1/4” phone jack ac- cepts the input signal to the SPX90 II. Input im- 4. REV 4 PLATE 34. USER PROGRAM pedance is 10 k-ohms. 5. EARLY REFLECTION 1 35.
  • Page 6: Basic Operations

    BASIC OPERATIONS Before actually selecting or editing programs on your SPX90 II, make sure that all connections have been made properly, and that the INPUT LEVEL switch, OUTPUT LEVEL switch, and INPUT LEVEL control have been properly set according to the source signal and equipment to which the SPX90 II signal will be fed.
  • Page 7: Store: Saving Edited Programs

    NOTE: If you attempt to store a program in one of the read-only preset locations (1 through 30), the SPX90 II will display the “# 1 ~ # 30 READ ONLY” error message. : SPX90 II has an Edit Title Function, so you can which allows you to provide your own titles for edited programs.
  • Page 8: Output Balance And Level Programming

    1. Press the BALANCE key while any parameter is footswitch connected to the BYPASS jack. A normally- selected. closed-type footswitch such as the Yamaha FC-5 must be used. 2. The first function called will be BALANCE. Adjust the BALANCE of the effected and direct signal be- tween 0 and 100% using the PARAMETER INCRE- MENT/DECREMENT keys.
  • Page 9: Midi Functions

    MIDI FUNCTIONS tions. These functions are selected in the following se- quence each time the UTILITY key is pressed: With the SPX90 II it is possible to select specific pro- grams via external MIDI control. For example, you can Normal mod...
  • Page 10 SPX90 II memory number (MEM) to be called when that program number is received. For example, if “PGM 12 = MEM 4” is set, SPX90 II memory number 4 will automatically be called whenever voice number 12 is selected on your MIDI synthesizer.
  • Page 11: Description Of Programs And Parameters

    DESCRIPTION OF PROGRAMS AND PARAMETERS The preset programs in the SPX90 II 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): Each of these program types has a specific selection of programmable parameters.
  • Page 12 This effect, commonly used in contemporary record- Similar to Delay, Echo brings added dimension and force ings, produces independently variable left-and right- to both instrumental and vocal music. While Reverbera- channel signal delays. The result is an intriguing “doubl- tion recreates an abundance of partial sound reflec- ed”...
  • Page 13: Chorus

    STEREO FLANGE CHORUS A combination of Delay and LFO (Low Frequency With the Chorus effect, a violin, keyboard, or guitar can Oscillation) modulation, the popular Flanging effect can sound like an entire ensemble. Chorusing splits the in- dramatically thicken the sound of keyboard in- coming signal into three signals placed at the center, struments, or produce the “aircraft”...
  • Page 14: Stereo Phasing

    STEREO PHASING The SPX90 II can produce a wide range of Phasing ef- This program is used to change the pitch of an input fects from a barely perceptible shift to a rapid pulsa- signal. Pitch can be changed in semitone increments tion.
  • Page 15 In the MANUAL mode a Parameter Increment panel key is pressed to begin recording, while in the AUTO mode recording begins automatically when the SPX90 II detects an input signal. 2. TRIGGER DELAY. Range: — 2000.0 ~ 2000.0 msec. This parameter determines the actual point at which recording begins in relation to the trigger signal.
  • Page 16 MANUAL Mode To actually begin recording if the MANUAL mode has been selected, press the PARAMETER IN- CREMENT key. The SPX90 II will record for 2,000 milliseconds. Also the optional foot switch FC-5 can be used. Connect the FC-5 to the MEMORY/TRIGGER Foot Switch Jack and press the FOOT TRIGGER Key.
  • Page 17 5. PLAYBACK Another way to trigger playback is to use the Input Trig- To play back the recorded material, press the ger Parameter. Select the input Trigger Parameter and PARAMETER key to enter the playback standby press the parameter Increment key to enter the stand- mode.
  • Page 18 This program feeds the reverb signal through a gate cir- ADR-NOISE GATE cuit, making it possible to output only a segment of a This program uses a gate circuit to pass or shut off the longer reverb sound. Parameters provided for the reverb input signal in a number of ways.
  • Page 19: Compressor

    6. DECAY LEVEL. Range: 0 ~ 100% COMPRESSOR Determines the level at which the gate remains open for the HOLD TIME. The lower the value the lower The COMPRESSOR effect reduces the level of the attack the HOLD gate level. portion of a music signal and keeps overall signal level 7.
  • Page 20 TRIGGERED PAN In this program the pan effect is triggered by the input This program automatically pans the sound image bet- signal or footswitch. ween left and right in the stereo sound field. Pan direc- tion, speed, and phase can be programmed. TRIGGER LEVEL.
  • Page 21 This program makes it possible to add delay vibrato ef- This program permits variation of the input signal fre- fects to virtually any instrument or sound. When the quency response over an extremely broad range. input signal exceeds a programmed trigger level, the vibrato effect is cancelled and then gradually builds up (dB) 20 to the programmed depth.
  • Page 22 Assuming the console used has independent effects or auxilliary send level controls on each input channel, it is possible to add the required amount of SPX90 II effect to each input. It is also possible to use two SPX90 II units for full stereo reverb and effects in a...
  • Page 23: Recording System

    RECORDING SYSTEM In 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 patched into virtually any part of the system. In some cases it might be best to have the SPX90 II connected directly in line between the source and the mixing console inputs, while in other situations-final mixdown, for example-the SPX90 II should be patched into the mixing console’s...
  • Page 24: Specifications

    SPECIFICATIONS ELECTRICAL CHARACTERISTICS Reverb: more than 75 dB Dynamic Range Unbalanced x 1 (Phone Jack) Number of Channels Delay : more than 81 dB - 20 dBm/+4 dBm, Selectable Nominal Level Bypassed Signal : less than Distortion 1 0 k - o h m s Impedance 0.01% Level Control...
  • Page 25 ROM CONTENTS AND CONTROLABLE PARAMETERS...
  • Page 26: Early Reflection Mode Chart

    EARLY REFLECTION MODE CHART ROOM SIZE CHART HALL ROOM SIZE : 1.0 ROOM SIZE : 4.0 RANDOM ROOM SIZE : 1.0 ROOM SIZE : 4.0 REVERSE ROOM SIZE : 1.0 ROOM SIZE : 4.0 PLATE ROOM SIZE : 4.0 ROOM SIZE : 1.0...
  • Page 27: Block Diagram

    BLOCK DIAGRAM DIMENSIONS Unit : mm (Inch)
  • Page 28 USER PROGRAMMING TABLE...
  • Page 29: Midi Implementation Chart

    Date : 11/28, 1980 [ Digital Sound processor ] Model SPX90-2 MIDI Implementation Chart Version : 1.0 R e m a r k s Recognized Function . . . memorized Default 1 - 16 Basic 1 - 16 Channel Changed memorized Default OMNI OFF/OMNI ON...
  • Page 30 Y A M A H A SINCE 1887 NIPPON GAKKI CO., LTD. HAMAMATSU, JAPAN SERVICE The SPX90II 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. Printed in Japan...

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