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Reverb The SPX90 Mk2 precisely recreates the reverberation produced in a variety of environments adding natural, live fullness to your sound.
Early Reflections Early reflections programs simulate the first few reflections that occur just after a sound is produced - before the reflections become dense enough to be called reverberation - adding punch and presence to vocals and instruments.
Delay Delay effects offer independently variable left and right channel delays adding special interest to a common effect and permitting the creation of "doubled" sound.
Modulation Modulation effects are produced by periodically varying the amplitude, frequency, or delay time of an input signal. Popular effects like Stereo Flange, Chorus, Stereo Phasing, Tremolo, and Symphonic are all available and can dramatically thicken the sound of any instrument.
Auto Pan This program automatically pans the second image between left and right in the stereo sound field. Pan direction, speed, and depth can be programmed for instant recall.
Vibrato The Vibrato effect produces minute pitch variations that are adjustable over a wide range. This can give your keyboard, guitar, or wind instrument a distinct "vocal" quality.
Echo Similar to delay, Echo brings added dimension and force to both instrumental and vocal music, producing limitless signal variations.
Reverb & Gate This feature combines superlative reverb sound with a programmable "gate". The gate, with programmable trigger level, hold and release times, can be used to shape the envelope of the reverb sound, creating some unique and unusual reverb contours that can enrich your effect "vocabulary."
Pitch Change Pitch Change programs alter the pitch of an input signal in semitone increments over a two-octave range (plus or minus one octave). Fine adjustment in one-cent increments is also possible (one cent = 1/100 of a semitone) Pitch change permits detuning an instrument to create subtle chorus-like effects and to create complete ensembles with a single instrument. This feature can be remotely controlled by a MIDI keyboard or sequencer.
Freeze These are sampling programs which permit recording a sound segment in the memory. The entire sound or specific portion of it may then be played back as required. The FREEZE B program even permits changing the pitch of the sampled sound from a MIDI keyboard, so you can actually play the sample as if it were a keyboard voice. Playback can be triggered from the front panel, via a footswitch, or input signal.
Compressor Compression limits the dynamic range of an input signal, boosting soft signals and reducing high signals to keep them within the specified range. This feature provides an effective way to smooth out the dynamics of a bass guitar, increase the sustain of a guitar, or tame a "jumpy" vocal performance.
ADR-Noise Gate This program uses a gate circuit to pass or shut off a short segment of a longer input signal, or it can be used to pass only signals that exceed a specific level. Reverse gate effects can be achieved in which the gain increases gradually after the gate is triggered. In addition to signal-level triggering, it is also possible to trigger the gate via a footswitch connected to the front-panel MEMORY/TRIGGER jack.
Parametric EQ This program enables you to precisely adjust the frequency response of any signal in four distinct bands: a variable low-pass filter; middle band peaking EQ with frequency, gain and Q control; high band peaking EQ with frequency, gain and Q control; and a variable high-pass filter. This equalizer offers exacting control that lets you achieve virtually any response you need.
YAMAHA DIGITAL MULTI-EFFECTS PROCESSOR

Yamaha SPX90 Mk2 programmable digital effects processor

INPUT:
Number of channels: 1 x unbalanced " jack
Nominal level: -20dBm or +4dBm switchable
Impedance: 10k Ohms
Level control: volume. max gain +12dB
Level monitor: 7 point LED

A/D CONVERSION:
Number of channels: One
Sampling frequency: 31.25kHz
Quantization: linear 16 bit
Bandwidth: 20hz - 12kHz

D/A CONVERSION:
Number of channels: Two
Sampling frequency: 31.25kHz
Quantization: linear 16 bit
Bandwidth: 20hz - 12kHz

OUTPUTS:
Number of channels: 2 x unbalanced " jack
Nominal level: -20dBm or +4dBm switchable
Impedance: 600 Ohms
Mixing: direct signal / effect signal
Bypass: on/off switch

MEMORY:
Presets (ROM): 1-30
User memory (RAM): 31-90
All parameters except input level can be memorised.

MIDI CONTROL:
MIDI channel (1-16, OMNI), (4 banks) Program number (1-128). Note on/off is recognised only for program 18-21, 24-26, 28, 29.

FRONT PANEL:
Display: 16 character 2 lines LCD x 1.2 digits numeric LED for memory no. 7 point input level meter LED.
Input volume level
Keys: Parameter / Balance / Data increment / Data decrement / Memory store / Recall / Memory number increment / Memory number decrement / Utility / Foot trigger / Bypass.

ELECTRICAL CHARACTERISTICS:
Dynamic range: reverb >75dB, delay >81dB
Distortion: Bypassed signal <0.01%, effect signal <0.03%
Bandwidth: Bypassed signal 20Hz-20kHz, effect signal 20Hz-12kHz

PHYSICAL:
POWER SUPPLY: 220 - 240 VAC, 50/60Hz
POWER CONSUMPTION: 20W
DIMENSIONS: 480mm(W) x 452mm(H) x 285mm(D) (1u x 19" rack mount)
WEIGHT: 3.2kg (7lbs)
OPTIONAL REMOTE CONTROL (model RC7): Preset program 1-30, user memory 31-37
OPTIONAL MIDI FOOT CONTROLLER (model MFC1):
Memory mode: 4+4 PGM change numbers 
Chain mode: control change data, MIDI start, stop, continue commands.

Full Yamaha price list

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