Pricing and availability
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Average Price: $1,362
High-end/Boutique
$100
$501+
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High-end
Price History
Based on price data from 3 merchants for "TK Audio BC1-THD Stereo Bus Compressor". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
The TK Audio BC1-THD Stereo Bus Compressor delivers the kind of smooth, transparent compression that can elevate any mix to professional standards. Revered for its ability to provide cohesion and punch without sacrificing clarity, this compressor is an essential tool for both mixing and mastering applications. With its THD function, the BC1-THD introduces rich even-order harmonics, adding warmth and color to your sound. The Grab function lets you assert more control with a harder threshold knee, perfect for those moments when you need a little extra grip on your mix.
Equipped with 10 attack and six release settings, including an autorelease option, this compressor offers versatility and precision. Parallel compression is made effortless with the onboard blend control, allowing you to mix dry and compressed signals seamlessly for a balanced output. The sidechain flexibility includes a selectable high-pass filter with three frequency options, giving you the power to filter out low-end frequencies and maintain a clean mix.
Whether you're a studio engineer seeking to glue a mix together or a musician aiming for sonic clarity, the BC1-THD provides the features you need without overwhelming complexity. The stepped knobs ensure easy recall of settings, making it user-friendly for quick adjustments during your sessions.
Key Features:
- Smooth VCA-based bus compression for cohesive mixes
- THD function adds rich even-order harmonics
- Grab function for a harder threshold knee
- Blend control for parallel compression
- 10 attack and 6 release settings, including autorelease
- Side-chain input with 3-frequency-selectable filtering
- Stepped knobs for easy recall of settings
- Selectable ratios of 1.5:1, 2:1, 4:1, and 10:1
Product specs
| Type | VCA Bus Compressor |
| Number of Channels | Stereo |
| Controls | Threshold, Ratio, Attack, Release, Make-up, Blend |
| Threshold | -20dB to +20dB |
| Ratio | 1.5:1 to 10:1 |
| EQ | Highpass Filter @ 80Hz, 150Hz, 220Hz |
| Inputs | 2 x XLR |
| Outputs | 2 x XLR |
| Sidechain I/O | 2 x 1/4" (external sidechain) |
| Rack Spaces | 1U |
| Power Source | Standard IEC AC cable |
FAQs
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What is the primary use of the TK Audio BC1-THD Stereo Bus Compressor?
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The TK Audio BC1-THD is designed for stereo bus compression, ideal for adding glue and cohesion to mixes or subgroups, enhancing overall sound quality without losing dynamics.
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How does the blend control on the TK Audio BC1-THD work?
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The blend control allows for parallel compression by mixing the dry and compressed signals, providing more control over the compression effect and preserving the original dynamics.
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Does the TK Audio BC1-THD support sidechain input for external processing?
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Yes, the BC1-THD features external sidechain inputs via 1/4" jacks, enabling precise control over compression triggered by an external audio source.
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What are the connectivity options for the TK Audio BC1-THD?
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The compressor offers balanced XLR inputs and outputs, ensuring high-quality signal transmission for professional studio environments.
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Can the TK Audio BC1-THD's highpass filter be adjusted for different frequencies?
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Yes, the BC1-THD includes a selectable highpass filter with options at 80Hz, 150Hz, and 220Hz, allowing you to tailor the compression to different mix elements.
Videos
MIXGUS
TK Audio BC1-THD Stereo Bus Compressor - MIXGUS reviews
Reviews
PROS
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High-pass side chain options offer versatile control
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Smooth, transparent sound with ability to warm tracks
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Blend knob allows for subtle, precise adjustments
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Excellent for mixbus and mastering with professional results
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Competitive pricing for a high-quality VCA bus compressor
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Clean sonic signature distinct from SSL models
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Grab function effectively enhances dynamic control
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THD function provides subtle distortion options
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Accurate and fast VU meter for precise monitoring
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Ideal for both clean mixbus glue and crunchy drum bus distortion
CONS
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Lacks the unique "magic" of SSL compressors
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about TK Audio BC1-THD Stereo Bus Compressor.
Comparisons
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The TK Audio BC1-THD is favored alongside the Smart C1/C2 for its SSL-style compression with a noticeably wider and thicker sound than traditional SSL models.
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The TK Audio BC1-THD is compared favorably to the Dramastic Obsidian for its SSL-style compression, with both being highly regarded for their sound quality.
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In discussions, the TK Audio BC1-THD is often mentioned alongside top-tier alternatives like the Shadow Hills Mastering Compressor and the API 2500 for mastering applications.
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Use cases and applications
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The TK Audio BC1-THD is highlighted for its ability to add "glue" to mixes without overly coloring the midrange, making it suitable for transparent applications.
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The TK Audio BC1-THD is preferred for its ability to handle stereo imaging effectively in mixes, crucial for genres where spatial elements are vital.
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User experience
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Owners appreciate the TK Audio BC1-THD for its subtle saturation and stereo image handling, which enhances the mix cohesion without overwhelming the original sound.
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Owners highlight the TK Audio BC1-THD's ability to maintain mix cohesion without sacrificing low-end clarity, making it suitable for genres with heavy bass elements.
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