Yamaha MFC1 Specifications download pdf (Page 14)

STEREO PHASING

The SPX90 II can produce a wide range of Phasing ef-

fects from a barely perceptible shift to a rapid pulsa-

tion. Phasing lends an animated quality to musical in-

strument and vocal recordings:

This effect has the same parameters as STEREO

FLANGE, except that the DELAY TIME range is from

0.1 to 8.0 msec and omits FB Gain.

PROGRAM

PITCH CHANGE

FEED BACK

MIDI PITCH

CONTROL

PITCH CHANGE A

1 TONE

YES

PITCH CHANGE B

2TONES(CENTER)

TREMOLO

The TREMOLO effect operates in the same way as the

CHORUS effect, except that modulation is deeper and

the delay variation is greater. Refer to STEREO FLANGE

for the description of the parameters.

SYMPHONIC

The programmable parameters for this preset are iden-

tical to those for the Stereo Flange preset, omitting

FEEDBACK GAIN and MOD DELAY.

This program is used to change the pitch of an input

signal. Pitch can be changed in semitone increments

over a plus/minus one-octave range. Fine adjustment

of pitch in one-cent (1/100th of a semitone) incre-

ments/decrements is also possible.

Pitch change programs B and C permit setting two dif-

ferent pitches. This makes it possible to produce har-

monizer type effects (i.e. when you play a note the

SPX90 II outputs two additional notes), or, if only a

slight pitch difference is used, chorus-type effects are

created.

Pitch change programs A and D permit the application

of feedback so that an echo that changes in pitch with

each repeat can be produced. Programs A and D fur-

ther permit pitch control via the MIDI IN connector. Any

MIDI synthesizer, such as the Yamaha DX7, can be us-

ed to alter the pitch setting of the program by simply

playing the appropriate note on the synthesizer

keyboard.

2 TONES

PITCH CHANGE C

(1 EACH IN

NO NO

L & R CH.)

PITCH CHANGE D 1 TONE

YES YES

1. PITCH. Range: — 12 ~ + I2

Sets the degree of pitch change in semitone steps.

+ 12 corresponds to an output pitch one octave

higher than the input pitch, and — 12 produces an

output pitch one octave lower than the input pitch.

2. FINE. Range: — 100 ~ + 100

Adjusts pitch in one-cent increments or decrements.

3. DELAY Range: 0.1 ~ 1800.0 msec (A, B, D), 0.1

-900.0 msec (C)

Sets the delay between the direct (input signal) and

the pitch-changed output signal.

4. F. B. GAIN. Range: 0 ~ 99% (A, D only)

The higher this setting, the more echo repeats are

produced (each changed in pitch from the previous

repeat).

5. BASE KEY. Range: OFF, C1 ~ C6 (A, D only)

This parameter sets the “BASE KEY” for an exter-

nal MIDI synthesizer used to control the pitch varia-

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Yamaha MFC1 Specifications Page 14

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