elysia xpressor User Manual
xpressor
Precautions
WARNING: High Voltage
• Risk of electric shock.
• Do not open chassis.
• Refer service to qualied service sta only.
• Before connecting the device to the main power supply, check if the
right voltage is selected.
• Replace fuse with the same type and value only.
• This device must be connected to ground.
• Do not use a damaged power cord.
• Never place containers with liquid, e.g. beverages or a vase, on the unit.
• Do not expose this device to rain or moisture.
• Do not use this device near water, e.g. swimming pool, bathtub or wet
basement.
CAUTION: Temperature
• Surfaces of the device may become hot during operation.
• Do not install this device near any heat source such as radiators, stoves
or other heat sources.
• Always allow enough ventilation space around the unit for air circula-
tion.
• Do not cover circulation vents.
CAUTION: Connecting & Mounting
• Never connect the output of a power amplier to this device.
• Place the unit on a rigid board or place it in an appropriate rack.
• Use the device according to this manual only.
CAUTION: Humidity
• If this device is moved from a cold place to a warm room, condensation
can occur inside the device. To avoid damaging the unit, please allow it
to reach room temperature before switching it on.
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Welcome to Compressor Wonderland!
First of all, we would like to thank you for picking the xpressor as your
new dynamics tool – a very good choice indeed.
This extremely versatile stereo compressor will make your day in terms of
dynamics time and again. With its many unique features taken from our
agship products, you not only get great compression, but an amount of
control on processing which has yet to be experienced elsewhere.
No matter if you want to set and forget or plunge deep into the secrets
of compression, the xpressor is for you. Its discrete audio path running
in constant class-A mode provides a superior audio quality which combines a clear and open sound with a good lot of punch.
Stereo buss compression, processing single signals, approaching dynamics in creative ways – the xpressor shines in many dierent applications.
Best of elysia? You got it!
Index
Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Auto Fast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Log Release . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Warm Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Negative Ratios . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Gain Reduction Limiter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
External Sidechain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Technical Details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
CE Conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Warranty Info . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Legal Info . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Deutsches Handbuch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Manuel Français . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
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Controls
XPRESSOR
DISCRETE CLASS-A
STEREO COMPRESSOR
Thresh Attack Release Ratio
-22
-27
7
12
17
-32
-37
-42
22
dB ms ms 1:X
40
7.0
3.5
60
0.5
802512
100
7
120
0.01
5
250
400
700
1k0
1k3
∞
Hit Warm Log Auto
2.0
1.6
-0.4
1.3
-0.8
-1.2
-1.6
1.2
It! Mode Rel Fast
Threshold (Thresh): The operating point of the compressor. If the
input level exceeds the value set with this controller, the compression
process will start.
Attack: The transient response of the compressor. It determines the
time the xpressor needs to reach 10 dB of gain reduction.
Release: The return phase of the compressor. It controls the period of
time between the input signal falling below the threshold and the xpressor’s return to unity gain.
Ratio: The relation between the input level and the output level. As
a specialty of the xpressor, even negative ratios can be set here. (p. 10)
Hit It! Activates the xpressor (LED on) or deactivates it with a hardwire
bypass (GR meter remains active).
Warm Mode: The xpressor oers a second switchable sound avor by
altering its frequency spectrum, harmonics and transient response. (p. 9)
Log Release (Log Rel): This alternative release curve follows a logarithmic course instead of the standard linear progress and results in a
very gentle kind of compression. (p. 8)
Auto Fast: A semi-automation. This function shortens the attack time
automatically on fast and loud signal impulses and then returns to the
value set with the controller. (p. 7)
4
160 200 11 9.0 5.5 7.0 50 60
SCF GRL Gain Mix
120
80
1.03.05.07.09.01113GRL
40
2.04.06.08.0101214
35
31
Hz dB dB %
14
400
18
22
600
26
800
1k0
30
4.0
6.0
3.0
1.5
3.5
0.2
2.0
1.5
0
40
11
30
20
15
19
21
80
90
100
10
Wet
Dry
GRL LED: Indicates Gain Reduction Limiter activity. If this LED is on,
incoming signals will be held at the GR limit instead of being compressed
any further. (p. 11)
Gain Reduction Meter: The display for the gain reduction process.
Shows the amount of compression measured in dB as an visual support
for the acoustic events.
Sidechain Filter (SCF): A tunable low cut lter in the sidechain of the
xpressor avoids overcompression and pumping when there is a lot of low
end energy in the mix.
Gain Reduction Limiter (GRL): Restricts the control voltage. This innovative limiter is not placed in the audio path as usual, but in the control circuit of the compressor. (p. 11)
Gain: The make-up gain of the xpressor. This controller compensates
for the loss in gain caused by the compression process.
Mix: The direct and the compressed signal can be blended in any
desired relation by simply turning the mix controller. Onboard parallel
compression!
Please note that in stereo operation both channels are always processed by one single
control voltage generated from a mix of both signals. This means you should only
compress adequate stereo material like sum signals in this mode - dissimilar signals
like a bass drum in one channel and a synth pad in the other will not give you the
intended ‘dual mono’ results.
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