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Home > Elysia Audio > Elysia Audio Alpha Compressor discrete analog 2-channel mastering compressor
Elysia Audio Alpha Compressor discrete analog 2-channel mastering compressor
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Item Number: ALPHACOMP
Manufacturer: Elysia Audio
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Empirical Labs Inc., (ELI) EL8X Single Channel Compresssor Distressor with British Mod and Image Link Feature.

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Alpha Compressor
A discrete analog 2-channel mastering compressor.

The alpha compressor is a mighty
tool for professional dynamics processing. Featuring innovative
functions and providing absolutely uncompromising sound quality, it sets
new standards for enhancing any kind of audio material. It offers M/S
processing, parallel compression, limiters, as well as sidechain and
audio filters, just to name a few.
The
circuitry is a completely new development which provides an amount of
openness and clarity which can hardly be found a second time. Every part
of its signal processing is based on single transistors running in
constant class-A mode, and even the sidechain and power supply use
discrete circuits. All components are of the highest grade available and
exclusively chosen according to their sonic excellence.
These
benefits sum up in an audio quality that is beyond all doubt. Even when
extreme settings are used, the sound characteristic stays clean and
powerful. The alpha compressor achieves perfect processing results for
all different styles of music and assures the 'this is it' feeling of a
finished song. Its enhanced functions exceed the potential of normal
compressors by far and give you unimagined options for mastering and
mixing.
Features
100% Discrete Class-A
The alpha compressor represents the art of discrete signal processing consequently. ICs have to stay out without any ifs and buts.
Integrated M/S Matrix
As an alternative to standard stereo operation you can process the mid and side signals, opening up completely new options for your work!
Feed Forward & Feedback
The type of compression can be chosen for each channel individually, making two different compressors available at the push of a button.
Auto Fast
A switchable semi automation that always provides perfect attack and release on the basis of the values set by the user – even with complex material.
Audio Filter
The Niveau Filter is specialized in forming the tonal characteristics of a track very effectively without much of an effort.
Sidechain Filter
The alpha compressor features on-board frequency selective compression. This avoids complex routings in favor of an effective workflow.
Parallel Compression
Also available directly on the unit: the direct and the compressed signal can be blended in any desired relation by simply turning the mix controller.
Signal Matrix
The direct and the processed signal can be monitored individually or together by the push of a button in each channel (left & right or mid & side).
Soft Clip Limiter
Tames short and loud transients and smoothens the signal peaks, and thereby protects following AD converters from clipping.
Switchable Transformers
The sound of iron: yes or no? Both! The alpha compressor makes this option switchable, so you can decide for each track individually.
Analog Dynamic LED Meter
The gain reduction meter modulates its LEDs in their brightness in order to show the compressor’s action in an analog way: fast and with smooth transitions.
Passive Current Attenuator
The alpha's custom discrete gain reduction cell provides extreme speed, enormous bandwidth and superior sound.
T16 Heater
This system keeps sensitive parts of the discrete circuitry at a stable temperature and thus protects them against parameter aberrations.
VOVOX Sound Conductors
The internal audio cabling is also no place for compromise. By the use of VOVOX solid core the sound remains vivid, dynamic and punchy.
Technical Data
| Frequency response:
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<10 Hz - 200 kHz (-0.5 dB)
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THD+N @ +15 dBu, 20 Hz - 22 kHz:
Stereo mode (Direct)
Stereo mode (Compressed)
M/S mode (Direct)
M/S mode (Compressed)
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0.0039 %
0.009 %
0.014 %
0.034 %
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Noise floor, 20 Hz - 20 kHz (A-weighted):
Stereo mode (Direct)
Stereo mode (Compressed)
M/S mode (Direct)
M/S mode (Compressed)
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-95.8 dBu
-89.3 dBu
-95.6 dBu
-92.3 dBu
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Dynamic range, 20 Hz - 22 kHz:
Stereo mode
M/S mode
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122 dB
118 dB
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Maximum input level:
Stereo mode
M/S mode
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+28 dBu
+23 dBu
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Maximum output level:
Stereo mode
M/S mode
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+27 dBu
+28 dBu
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Impedance:
Input
Output
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10 kOhm
68 Ohm
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