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TK Audio BC501-GR 500 Series Stereo Bus Compressor

500 Series Stereo Bus Compressor with Blend Control, THD Circuit, and Highpass Filter
$1,099.00

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TK's Next-generation Bus Compressor for Your 500 Series Rack

If you're searching for that elusive magic glue for your mixes, all you need to do is load a TK Audio BC501 into your 500 Series rack. This stereo bus compressor offers transparent, super-smooth compression that will bolster every mix you run through it — without compromising its clarity. The BC501 contains all the power of TK's flagship BC1-S rackmount compressor, but it sweetens the pot with BC2-ME-derived mastering features like lower ratio settings, a harmonic-generating THD function, and a switchable highpass filter. You also get a Blend knob for effortless parallel compression, stepped controls for accurate recall, and a sidechain input for external keying. The TK Audio BC501 is ideal for engineers who want to infuse their in-the-box mixes with legit analog character.

Picks up where the BC1-S bus compressor leaves off

The BC501 behaves like TK's lauded BC1-S bus compressor — if it was hopped up on steroids — and includes added functionality culled from the company's high-end BC2-ME mastering compressor. This 500 Series module delivers the same transparent gain reduction as the BC1-S, along with 1.25:1 and 6:1 ratio settings for added flexibility. A THD function injects your mixes with ear-tickling, even-order harmonics. You also get a switchable highpass filter with 80Hz, 150Hz, and 220Hz settings.

TK Audio BC501 Stereo Bus Compressor Features:

  • Provides that elusive magic glue for your mixes
  • Offers transparent, super-smooth compression that doesn't compromise clarity
  • Vaunts the power of TK's flagship BC1-S compressor with added BC2-ME-derived mastering features
  • Includes 1:25:1, 1.5:1, 2:1, 4:1, 6:1, and 10:1 ratio settings
  • THD function injects your mixes with ear-tickling, even-order harmonics
  • Switchable highpass filter with 80Hz, 150Hz, and 220Hz settings
  • Blend knob yields effortless parallel compression
  • Sidechain input enables keying from an external source
  • Stepped controls ensure accurate recall

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Tech Specs

  • Processor Type: Stereo VCA Bus Compressor
  • Number of Channels: 1
  • Controls: Threshold, Ratio, Attack, Release, Make-up, Blend
  • Threshold: -20dB to +20dB
  • Ratio: 1:25 to 10:1
  • Frequency Response: 20Hz-20kHz
  • Sidechain I/O: 1 x 1/8" TRS
  • Module Slot Size: Double
  • Power Usage: +16V/110mA, -16V/90mA
  • Manufacturer Part Number: BC-501

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Customer Reviews

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Rated 5/5

The best purchase I've made in the last five years!

The BC501 lives on the insert to my Neve 8816 Analog Summer. After decades of mixing on SSL E's and G+'s, this unit gives me the glue I'd been missing. This bus compressor sounds great! The stepped controls are perfect for recall, but even better - the addition of a Blend control makes this my day to day go to. The TK-lizer 500 with it's awesome M/S architecture sits right next to it in my rack. 40% of my mixes use both, 100% use the BC501.
Thanks to Sweetwater sales engineer Mike Picotte for this amazing suggestion.
Music background: Making records for half a century
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