Serpent Audio SB4001 500 Series Stereo Buss Compressor Module 2010s - Black is a used item in excellent condition, listed on Reverb. The asking price is £746. It is offered by White Market through Reverb. It is in our Compressors & Dynamics category. Used Gear Hunter first saw this listing on 24 October 2026 and last saw it on 4 November 2026. It has been seen 14 times in our scans. Prices are converted from the seller's currency when we scan the listing, so the amount you pay may differ slightly. The seller sets shipping, and import duty or VAT may apply, so check the final cost and the item's details on Reverb before buying.

From the seller

Very low usage!! Comes with original packaging and the plastic is still on the screen. This unit is fantastic. Why am I selling? I purchased a full rack SSL compressor. I don’t need two SSL bus compressors. Also, this opens up a couple of slots for more 500 series units. :) Description: Great-sounding stereo bus compression is a must-have. It pumps up your mixes, giving them the glue, punch, weight, authority, and slam factor to stand out from other tracks being broadcast or streamed. If most other engineers are using it (trust us: they are) and you're not, your mix (no matter how good) will sound weak in comparison. So Sweetwater's advice is to have the best-sounding, most versatile bus compressor you can find strapped across your stereo mix bus. Enter the Serpent SB4001 500 Series stereo bus compressor. Delivers whatever sound you're after The Serpent SB4001 raises the bar for the 500 Series stereo bus compression. With its Quad VCAs, six ratios, 10 attack times, highpass/boost/slope sidechain filters, Wet/Dry Blend control, external (key) input, classic stepped release settings, classic (A1) and alternate (A2) auto release, and variable Release control, as well as Grind mode (a proprietary tube-style harmonic drive that adds vintage coloration), the SB4001 can deliver whatever sound you're after. Whether clean, dirty, vintage, subtle, or crushed, the SB4001 is sure to be one of the most flexible compressors in your arsenal. Serpent SB4001 500 Series Stereo Bus Compressor Features: Quad VCAs (for superior dynamic range) Electronically balanced True bypass (relay controlled) Protection from 48-volt phantom power Powder-coated front panel for extra durability Thru-hole main audio path Ratios: 1.5, 2, 4, 6, 8, 10 Attack times (stepped): 0.1, 0.3, 1, 3, 5, 10, 15, 20, 25, 30, 40, 50µs Release times (stepped): 0.3, 0.6, 1.2ms, classic auto release (A1), alternate auto release (A2) Release times (variable; engaged by last position on stepped switch): any time from 0.1 sec to 1.2 sec Sidechain filters: 60Hz, 90Hz, 120Hz, Boost mode, Slope mode Wet/Dry Blend (for parallel processing) Grind mode: special valve-style harmonic drive mode that adds vintage coloration External/Key Input accepts balanced or unbalanced inputs (inserted before sidechain filters) Gain (-6dB to +18dB) Premium sealed pots and Grayhill rotary switches All-machined aluminum knobs Handcrafted in Philadelphia, PA

Serpent Audio SB4001 500 Series Stereo Buss Compressor Module 2010s - Black

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