Vintage Digital & Analogue Studio Effects

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Alesis QuadraVerb Simultaneous Digital Effects Processor

BY 1988 Alesis were on a roll, and with the release of the Alesis Quadraverb, they took things to the next level and continued to dominate the market for home recording. The Alesis Qudraverb's party trick of course, was that it could use up to four different effects, reverb, delay, pitch and equalizer, simultaneously. And it did so with 20k bandwidth!

The Alesis QuadraVerb is a full 20K bandwidth stereo effects processor allows up to four of the most popular digital effects (Reverb, Delay, Pitch Change, and EQ) to be used simultaneously.

Details

The signal path order of the effects is highly flexible and programmable. All effects parameters are fully and programmable. The QuadrcVerb is also MIDI controllable, with many of its parameters accessible from any MIDI controller in real time.

Features

16Hz to 20KHz Frequency Response
Up to 4, excellent quality, simultaneous effects
Touch sensitive, multi-speed contoured programming buttons with integral LED indicators
Fully descriptive 32 character LCD display
Stores up to 100 programs
Full MIDI implementation
Most parameters adjustable in reel-time via external MIDI controllers
Easy editing of all parameters
All functions, parameters, and volume levels fully programmable
Stereo in end out
Extremely flexible effects routing and mixing
Several choices of reverbs including: Plate, Room, and Reverse
Several choices of delay including Delay, Mono Delay, and Stereo Delay
Several choices of Pitch Shift, including: Mono Chorus, Stereo Chorus, Flange, Stereo Flange, Pitch Detune. and Phase Shifter
Several choices of EQ including: 3 band Parametric, 5 bard Parametric, 11 band Graphic
Any or all Aiesis presets can be recalled from ROM at any time

The QuadraVerb contains 90 factory programs which can be modified or erased as needed. At any time one or all of these programs can be recalled in their original form, even if they have been erased or modified, since they are resident in Read Only Memory onboard the unit (see Recalling Factory Programs below).

Factory Program 89 is a demo program that can be used to listen to the differences between the five effect configurations, which are variations of the signal flow path through the QuadraVerb. You can use the CONFIG and VALUE buttons to select and audition the five configurations, while listening to the differences in effects in each one.

Specifications

Released: 1988

Quantization: 16 Bit Linear
Sampling Frequency: 44.1kHz
Frequency Response: 16Hz-20kHz
Dynamic Range: >85dB
THD: 1%