TK Audio’s best-selling 500-series module, the BC501, 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.
- 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
- Power requirement: +110mA / -90mA (total)
- Frequency response: 20Hz to 20kHz +/-0dB
- Frequency response: 20Hz to 80kHz +0dB/-0.1dB
- THD+N @ 1kHz: less than 0.005%
- Signal to noise ratio: 95dB
- Cross talk: -90dB
- Input impedance: 24kohm
- Output impedance: 50ohm
- Max input level: +26dBu
- Max output level: +27dBu
- 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
Specifications and components may be changed or updated without further notice.
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