Pricing and availability
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Price
Average Price: $1,099
High-end/Boutique
$100
$501+
Price Tier
Budget
Standard
High-end
Price History
Based on price data from 2 merchants for "TK Audio BC501 Stereo Buss Compressor". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
Transform your mix with the TK Audio BC501 Stereo Buss Compressor, a powerful 500 Series unit that brings the renowned BC1-S rackmount compressor into a compact and versatile format. Whether you're aiming for polished radio-ready tracks or adding character to individual instruments, this compressor is your gateway to a more dynamic sound. Embrace the THD function, which infuses your audio with rich harmonic distortion, breathing life into your mixes. The BC501 is designed with precision, featuring additional ratio positions and sidechain HPF options, offering unparalleled control over your sound.
This stereo buss compressor shines in both live and studio settings, providing the flexibility you need for any production scenario. Its dual-slot design ensures seamless integration into your existing setup while delivering the pristine audio quality that TK Audio is celebrated for. Whether you're a seasoned professional or an aspiring producer, the BC501 elevates your sound with its intuitive controls and robust build.
Key Features:
- 500 Series dual-slot stereo buss compressor
- THD (Total Harmonic Distortion) function for added harmonic richness
- Additional ratio positions for versatile compression settings
- Three extra sidechain high-pass filter (HPF) positions
- Adaptation of the BC1-S rackmount compressor design
- Ideal for both studio and live applications
- Precision-engineered for superior audio quality
Product specs
| Brand | TK Audio |
| Model | BC501 500 Series Stereo Bus Compressor Module |
| Finish | Black |
| Year | 2010s |
| Categories | 500 Series Modules and Frames, Compressors and Limiters |
FAQs
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What type of music is the TK Audio BC501 Stereo Buss Compressor best suited for?
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The TK Audio BC501 is versatile and excels in a variety of genres, providing punch and clarity to rock, pop, and electronic music mixes. Its VCA-based compression is ideal for adding glue and cohesion to stereo bus mixes.
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Does the TK Audio BC501 fit into any 500 series rack?
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Yes, the TK Audio BC501 is designed to fit into standard 500 series racks, making it compatible with a wide range of 500 series enclosures.
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What controls are available on the TK Audio BC501 Stereo Buss Compressor?
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The TK Audio BC501 features threshold, ratio, attack, release, and make-up gain controls, allowing for precise compression settings. It also includes a blend control for parallel compression and a sidechain high-pass filter for frequency-specific compression.
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Can the TK Audio BC501 be used for mastering?
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Yes, the TK Audio BC501 is suitable for mastering applications due to its transparent compression and ability to enhance the stereo image. It offers fine control over dynamics, making it a valuable tool for final mix adjustments.
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What makes the TK Audio BC501 different from other 500 series compressors?
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The TK Audio BC501 stands out with its blend control for parallel compression and its switchable sidechain high-pass filter, offering more control over the compression process compared to many other 500 series compressors.
Videos
TK Audio
TK Audio BC501 Part1
Reviews
PROS
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Excellent transparency, retaining detail and nuances without affecting the original sound
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THD option adds a unique color and liveliness to audio
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Features a bright and clear VU meter for easy monitoring
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Blend knob and selectable HPF frequencies offer versatile sound shaping
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External sidechain input enhances creative compression possibilities
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Outstanding value for money with features comparable to higher-end models
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Effective for both mastering and tracking applications
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Big IN button facilitates easy A/B comparisons
CONS
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Sidechain input is 1/8 inch instead of the more common 1/4 inch
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Less character compared to some other compressors like the SB4001 Serpent
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about TK Audio BC501 Stereo Buss Compressor.
Features and functionality
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The TK Audio BC501 bus compressor is praised for its harmonic richness, adding complex harmonics and vibe while being adjustable between gooey and tight compression.
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Users report leaving the TK Audio BC501 settings mostly untouched, indicating reliable default performance for long mixing sessions with consistent results.
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The TK Audio BC501's blend control allows for 80% wet mixing, providing flexibility in achieving desired compression effects across various genres.
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User experience
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Owners express a strong attachment to the BC501, claiming they would never part with it due to its high-quality performance and sound enhancement capabilities.
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Owners feel that analog master bus chains, including the TK Audio BC501, add essential vibe and cohesion, enhancing mixes significantly over digital-only processing.
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Owners report adjusting the threshold of the BC501 throughout mixing to enhance groove and detail, indicating its adaptability to different parts of a song.
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Comparisons
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The TK Audio BC501 is mentioned favorably alongside the SP501 preamp, both being highlighted for their unique sound qualities and reliable performance within the 500 series.
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Users compare the BC501's performance to SSL/Alan Smart compressors, noting that while it can handle low-end well, careful threshold management is essential to maintain transients.
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Use cases and applications
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The BC501 is used for both mixing and tracking, providing a versatile solution for different studio setups and enhancing various audio sources with its compression characteristics.
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The TK Audio BC501 is often used with the Kahayan Solid4000 for analog saturation, mimicking the SSL console's center section for a cohesive mix bus sound.
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The BC501 is integrated into mix buses with EQP-KT equalizers for low-mid scooping and sub-low fattening, contributing to tonal balance and richness.
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Users often set the BC501 with a 4:1 ratio, a 10ms attack, and a tempo-dependent release, favoring a blended approach for dynamic control.
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Critic Reviews
5.0 out of 5
Based on 1 Review and 2 Ratings
98
Classic G-Buss sound with an awesome feature set
Wow, for the price you get pure greatness. This is a G-Buss clone that honestly sounds the same, has a better feature set, and costs less than half the price. A Blend knob, 2-selectable HPF frequencies, an external side chain, and a THD knob! Nothing else at the price sounds, or offers the same. A must have for anybody thats looking for "The Glue".
41026
love the SSL G series compressors, Buss compressors and even the dBX-like VCA compressors on channels.... mmmmm
Artist usage
Add artistGenre Usage
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Used With
Based on how musicians on Equipboard use TK Audio BC501 Stereo Buss Compressor, it is most commonly used with the following gear.
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