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Hammond A-405SP User Manual

Hammond A-405SP
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67
Setting the Parameters
5. LEVEL
is is for setting the volume of a virtual wheel.
e setting range is -20 to +2dB. If you increase the value, it
gets louder.
6. CUT OFF FREQUENCY - LPF
is is for setting the FREQUENCY to cut the TREBLE of a
virtual wheel.
If you increase the value, a leakage noise is heard besides the
original Tonewheel pitch.
If you decrease the value, the sound gets sweet and mild, as the
treble is cut off .
e setting range is 0 - 127.
NOTE: If you decrease the value too low below the fundamental
Tonewheel pitch, the wheel volume will be reduced.
7. RESONANCE - LPF
is is setting the boost or reducion of the level around the Cut
Off Frequency - LPF (#6).
e setting range is -100 to +100.  e higher value boosts tre-
ble, and lower values cut treble smoothly.
8. CUT OFF FREQUENCY - HPF
is is for setting the FREQUENCY to cut the BASS of this
wheel.
If you decrease the value, a motor hum (= noise) is heard be-
sides the original virtual Tonewheel sound.
e setting range is 0 - 127.
NOTE: If you increase the value too high above the original tone-
wheel pitch, the sound will get “thin”.
NOTE: The parameters 3 - 8 are the virtual Tonewheel Parameters. If
you do the recording operation of the next page, it works in
common with the same virtual Tonewheel set of each Combi-
nation Preset.
NOTE: When you operate the parameters 3 - 8, if you do not the re-
cording operation of the next page, it is lost when you turn o
the power.
Tone-wheel
Coil
Magnet
Soft
Loud
Concept of the LEVEL ADJUSTMENT
Frequency
Loudness
Resonance
HPF LPF
Cut Off Frequency
LEAKAGE NOISE
In the vintage electro-mechanical Hammonds,
sometimes the signal from adjacent tone-
wheels would be picked up (or “leaked”) along
with the current tonewheel in play. This hash
noise, another Hammond anomaly originally
considered to be a defect grew to be an inte-
gral part of the Hammond sound.
“Mellow”, “Brite”, and “Saw does not include the
Leakage Noise.
DISTORTION
If you raise the Level and Resonance values too
much, it changes the gain in the sound engine
and may sometimes cause distortion, i.e. un-
pleasant noise.
In such a case, please lower these values.

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Hammond A-405SP Specifications

General IconGeneral
BrandHammond
ModelA-405SP
CategoryMusical Instrument
LanguageEnglish

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