ENSONIQ DP/2 Specifications download pdf (Page 113)

Section 2 — Algorithms

ENSONIQ DP/4+ Reference Manual 97

VCF - DISTORT 1

VCF - Distort 1 combines a voltage control filter and a raspy distortion, and a second voltage

control filter. Three effects can be obtained: Distortion, Wah-wah, and Auto-wah. The last two

functions use the same VCF. These filters can be disabled or used as EQ if desired. When used

for distortion, any speaker cabinet emulation (such as Tunable Speaker) in cascade with this

effect is recommended. There is a second VCF that exists after the distortion that can be set to act

like a simple speaker simulator, or it can be modulated in parallel with the pre-distortion VCF.

Left

Right

Main

Outputs

Distortion

Gain In

Post-Dist

VCF

Pre-Dist

VCF

Distortion

Level Out

Clip

Env Fol

Env FolDistortion

Bypass

Variable

HiPass

Filter

01 — Mix

02 — Volume

See the descriptions under the Mix and Volume Parameters earlier in this section. For this

algorithm, Volume controls the distortion output level. For high distortion input gains, use lower

volumes.

03 — Distortion Level In Range: 00 to 99

Controls the gain going into the distortion effect. Distortion Level In will boost the signal level

up to 48 dB. For more distortion, use a high input level gain and turn the Distortion Level Out

(04) down to keep the volume under control. For less distortion, use a low gain input level and a

higher output volume.

04 — Distortion Level Out Range: 00 to 99

Controls the gain coming out of the distortion effect. Generally, if the Distortion Level In (03) is

set high, set this parameter lower to control the volume.

05 — Pre-Distortion VCF Fc Range: 01 to 99

Determines the filter cut off frequency before the distortion. Higher values have a brighter

sound. This parameter can be modulated, using a CV Pedal for a wah wah pedal effect. To

disable the distortion filter, set this parameter to 99. To use as an EQ, set the desired value and

make sure envelope follower (parameter 07) is 00. To use as the auto-wah, set this parameter

close to 01 (lower values) and turn on parameter 07.

06 — Pre-Distortion VCF Q Range: 01 to 25

Determines the level and width of the resonant peak at the filter cutoff point. While the Fc (filter

cutoff) parameter determines where (at what frequency) this peak will occur, the Q setting

controls the presence of the peak. This setting is important for the auto-wah effect.

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ENSONIQ DP/2 Specifications Page 113

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