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11. EXPANSION
11.1 EFX 2000 20-BIT DIGITAL MULTI- EFFECTS MODULE
The AD 1823 can be expanded to include the EFX 2000 20-Bit
Digital Multi-Effects Module by substituting the removable panel
above the Master section of the control panel of the mixer.
It is a Digital Multi-Effect module that can be easily installed directly
by the user.
EFX 2000 has been programmed with various effects of Reverb,
Echo, Delay etc., as listed below.
The Up, Down and Recall switches on the panel enable selection of
the various presets. The module is optional and is supplied
separately.
Technical Specifications:
●
99 Effects
●
Main Clock Frequency: 12.288 MHz
●
Sampling Rate: 48 kHz
●
8 KByte ROM
●
DSP Processor: 24-bit (audio data) x 32-bit (coefficients)
●
80 nsec cycle
●
20 bit Stereo AD/DA CODEC
Instructions for Use:
The 99 effects of the EFX 2000 are memorized as shown in the list below.
The position “00” (BYPASS) of the display does not correspond to any effect.
The “UP” and “DOWN” enable the user to scroll through the effects numbers in order to select the one
required.
Once the required effect has been selected it is activated by means of the “RECALL” button.
The effects groups are as follows:
AMBIENT
Small Studio 1
Small Studio 2
Small Studio 3
Studio 1
Studio 2
Mid Environment 1
Mid Environment 2
Mid Environment 3
Large Studio 1
Large Studio 2
ROOMS
Small Room 1
Small Room 2
Small Room 3
Room 1
Room 2
Space 1
Space 2
Space 3
Large Room 1
Large Room 2
HALLS
Cinema 1
Cinema 2
Cavern 1
Cavern 2
Large Hall 1
Large Hall 2
Large Hall 3
Church
Concert Hall
Cathedral
PLATES
Dark Plate 1
Dark Plate 2
Dark Plate 3
Wood Plate 1
Wood Plate 2
Wood Plate 3
Metal Plate 1
Metal Plate 2
Metal Plate 3
Metal Plate 4
DELAY MONO
Single Short Reflection Mono
Single Med Reflection Mono
Single Long Reflection Mono
Short Delay Decay 1 Mono
Short Delay Decay 2 Mono
Short Delay Decay 3 Mono
Med Delay Decay 1 Mono
Med Delay Decay 2 Mono
Med Delay Decay 3 Mono
Long Delay Decay 1 Mono
Long Delay Decay 2 Mono
Long Delay Decay 3 Mono
V. Long Delay Decay 1 Mono
V. Long Delay Decay 2 Mono
DELAY STEREO
Single Short Reflection Stereo
Single Med Reflection Stereo
Single Long Reflection Stereo
Short Delay Decay 1 Stereo
Short Delay Decay 2 Stereo
Short Delay Decay 3 Stereo
Med Delay Decay 1 Stereo
Med Delay Decay 2 Stereo
Med Delay Decay 3 Stereo
Long Delay Decay 1 Stereo
Long Delay Decay 2 Stereo
Long Delay Decay 3 Stereo
V. Long Delay Decay 1 Stereo
V. Long Delay Decay 2 Stereo
A DELAY
Small Studio 1 + Delay
Small Studio 2 + Delay
Studio 1 + Delay
Studio 2 + Delay
Mid Environment 1 + Delay
Mid Environment 2 + Delay
Large Studio 1 + Delay
Large Studio 2 + Delay
ROOMS + DELAY
Small Room 1 + Delay
Small Room 2 + Delay
Room 1 + Delay
Room 2 + Delay
Space 1 + Delay
Space 2 + Delay
Large Room 1 + Delay
Large Room 2 + Delay
HALLS + DELAY
Cinema 1 + Delay
Cavern 1 + Delay
Cavern 2 + Delay
Large Hall 1 + Delay
Large Hall 2 + Delay
Delay
Concert Hall + Delay
Cat Delay
DELAY
Dark Plate 1 + Delay
Dark Plate 2 + Delay
Wood Plate 1 + Delay
Wood Plate 2 + Delay
Metal Plate 1 + Delay
Metal Plate 2 + Delay
Metal Plate 3 + Delay
EFFECTS LIST
