The alpha compressor is a modern classic and becomes, since the release in 2008 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.
Build Quality
The alpha compressor, just like all our products, is designed, engineered and handcrafted in Germany.
100% Discrete Class-A Technology
Consequently represents the art of discrete signal processing
Integrated M/S Matrix
As an alternative to standard stereo operation you can process the mid and side signals
Side Chain Filter
On-board frequency selective compression
Auto-Fast
A switchable semi automation which always provides perfect attack and release
Frequency response
<10 Hz - 200 kHz (-0.5 dB)
THD+N @ +15 dBu, 20 Hz – 22 kHz
Stereo mode (Direct): 0.0039 %
Stereo mode (Compressed): 0.009 %
M/S mode (Direct): 0.014 %
M/S mode (Compressed): 0.034 %
Noise floor, 20 Hz – 20 kHz (A-weighted)
Stereo mode (Direct): -95.8 dBu
Stereo mode (Compressed): -89.3 dBu
M/S mode (Direct): -95.6 dBu
M/S mode (Compressed): -92.3 dBu
Dynamic range, 20 Hz – 22 kHz
Stereo mode: 122 dB
M/S mode: 118 dB
Maximum input level
Stereo mode: +28 dBu
M/S mode: +23 dBu
Maximum output level
Stereo mode: +27 dBu
M/S mode: +28 dBu
Impedance
Input: 10 kOhm
Output: 68 Ohm
US and EU parcels ship via UPS, ETA 1-7 working days from pickup day zero. That also applies to most
locations worldwide.
All shipments are fully insured.
Bigger shipments requiring pallets or custom made crates ship to US, CA, JP, CN, AU and other outside of EU
locations via DHL Air Freight, ETA is normally approx. 7-14 working days from pickup day zero.
Big shipments inside EU ship via different freight companies, recently mostly via ACE Logistics. Freight
forwarders can use different courier companies for deliveries to final destinations.
Palletising and crating time can vary depending on the size of the shipment and packaging queue. We pack all
our shipments with great care.
You are most welcome to pick your order up yourself from our Retrosonic Pro Audio showroom, studio and
warehouse in Tallinn, Estonia.
We ship worldwide – contact us for a personal shipping quote or any other questions.
VAT (Value Added Tax) can be deducted if you have a company with a valid EU VAT number or if you're based
outside of the EU. Non-EU buyers pay all and any import tax and duty as regulated by their local customs.