
OPERATING INSTRUCTIONS FOR GAMBIT EQUALIZER EQ1-LP INTRODUCTION
Daniel Weiss Engineering Ltd., Florastr. 42, CH-8610 Uster Page 5 of 28
INTRODUCTION
Congratulations on purchasing the Weiss Gambit EQ1-LP linear phase digital equalizer!
The EQ1-LP is a digital equalizer with a linear
phase response. This means that the delay caused
by processing is constant across the whole spec-
trum, unconstrained by eq settings - this is not
the case with standard equalizers, where signal
delay varies with frequency, depending on the eq
setting.
The sound, or character, of an equalizer has been
said to be influenced by phase response (for ex-
ample John Watkinson: "...much of the audible
difference between EQs comes down to the phase
response.", Studio Sound 9.97).
The EQ1-LP is therefore the ideal tool for correc-
tive amplitude adjustment, without the unwanted
phase distortion added by standard equalizers.
The EQ1-LP can be switched from linear- to
minimum-phase response, resulting in the exact
same sound as the EQ1-MK2. So for creative
sound designing, there is the benefit of two dif-
ferent sounding equalizers in one machine.
Features of the EQ1-LP include:
Processing
∗ Switchable linear-phase or minimum-phase
response. Setting can be stored per snap-
shot.
∗ 24bit digital input, internal 40bit floating-
point arithmetic, dithered output for 16bit,
20bit or 24bit wordlengths.
Display
∗ Double logarithmic graph of the magnitude
function of the equalizer calculated in real
time
∗ Status display showing sampling frequency,
channel status data handling, current work-
space and snapshot number and a resetable
peak-hold and over-hold per channel
∗ Band display (activated by touch) showing
boost, Q/ slope and frequency settings for
each band
∗ Two over-LED’s with settable number of
consecutive over-samples which cause an
“over” display combined with an over-hold
function
Snapshots
∗ 3 x 128 non-volatile snapshots where all
parameters are stored
∗ A-B workspaces for quick comparison be-
tween two settings
Remote Control
∗ Supports MIDI, RS-232 and RS-422 proto-
cols
∗ Standard MIDI Continuous Controllers for
parameter remote control (including over-
all gain)
∗ Snapshot automatization with MIDI Pro-
gram Change Commands
∗ MIDI Dump of Snapshots
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