TK Audio BC501 500-Series Stereo Bus Compressor

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Product Code: 2427
TK Audio BC501
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TK Audio BC501 500-Series Stereo Bus Compressor

The TK Audio BC501 500-Series Stereo Bus Compressor is a stereo bus compressor that features all the power of TK’s flagship BC1-S.

The new BC501 adds some more functions taken from the BC2-ME mastering compressor, such as additional ratio settings (1.25:1, 6:1), a THD switch that adds more even harmonics to the signal, and three HPF settings from which to choose (80Hz, 150Hz, 220Hz). All controls are stepped for easy, precise recall. A dedicated Dry/Comp knob allows blending between the original and compressed signals, and an external sidechain input (accessible via stereo 1/8″ mini TRS jack) is also provided.

TK Audio BC501 500-Series Stereo Bus Compressor Features

  • Blend control for parallel compression.
  • All controls stepped for easy recall.
  • High Pass filter on the sidechain with 3 frequencies.
  • Additional attack times and lower ratios.
  • THD circuit that adds more even harmonics.
  • Smooth compression.

TK Audio BC501 500-Series Stereo Bus Compressor Specifications

  • Threshold: -20dB to +20dB in 41 steps
  • Make-up: 0 to +20dB in 41 steps
  • Ratio: 1:25, 1.5:1, 2:1, 4:1, 6:1, 10:1
  • Attack: 0.1, 0.3, 0.6, 1, 3, 6, 10, 30, 60, 120mS
  • Release: 50, 100, 300, 600mS, 1.2S and Auto (50mS/2S)
  • HP Filter: 80Hz, 150Hz and 220Hz (-6dB/octave)
  • External sidechain input via a stereo 3.5mm TRS
  • THD circuit that adds even harmonics
  • Blend control from dry to compressed in 21 steps

TK Audio BC501 500-Series Stereo Bus Compressor Includes

  • BC501 500-Series Stereo Bus Compressor
  • Manual
  • 2 year warranty

What We Think

The TK Audio BC501 500-Series Stereo Bus Compressor comes off in the vein of a loved buss comp (from a well known British console). The BC501 is a relatively natural sounding comp, with a slight bit of pleasing roundness (or maybe a slight softness) to it. The more you push it, you will hear it get a little thick and punchy, but it is never over the top. You can get it to tighten things up very well, and add an overall glue to a mix or drum buss. Add in the THD feature and you can add a nice attitude that pushes the sound in a fun direction. I really liked that for rock and rap (more up beat and energetic music). More than anything else though, I love the blend knob. Being able to do parallel compression at the unit makes this comp nicely flexible.

- Ryan - Front End Audio

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  • 5

    Posted by Preston Scott on Apr 15th 2020

    One of the best purchases I've made. This is the 500 series of a compressor called the magic glue for a reason. The sound is phenomenal and I'm not into exaggerating when it comes to gear. It can go from smooth to aggressive and yet still sound musical. There is a lot of control over the sound and I even use across the 2 bus during mix downs. A purchase you won't regret at a price that's well worth it.