Mercury Recording Equipment 666

$3,998.00 to $7,796.00

3 Critic Reviews

Find out who is using Mercury Recording Equipment 666

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Page last updated Jun 01, 2026

Pricing and availability

We compare 600+ stores and found this item at 2 stores. Prices updated May 31, 2026.

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Atlas Pro Audio

$3,998.00

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Providence Sound And Vision

$7,796.00

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Providence Sound and Vision

The Mercury Recording Equipment Co. 666 Overview and Comparison to the Tube-Tech CL-1b

Providence Sound and Vision

On Demo | Mercury 666 Studio Limiting Amplifier

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Critic Reviews

Mercury 666 Studio Limiting Amplifier

soundonsound.com

Mercury's 666 Studio Limiting Amplifier impresses with its blend of vintage charm and modern flexibility. While it draws inspiration from the rare Fairchild 666, it offers more user-friendly controls and features, including a Baxandall EQ for tone shaping. Despite the lack of variable attack and release settings, its 11 preset time constants provide ample flexibility, making it suitable for various sources like vocals and drums. The unit's solid performance, particularly on vocals and drums, and the added benefits of stereo linking and side-chain options, make it a valuable tool for high-end studios. However, its premium price may be a hurdle for smaller setups. Overall, it's a high-end gem that adds depth and character to audio, perfect for those who can afford the investment.

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Mercury 666 MKI Limiting Amplifier Review | TapeOp | Tape Op Magazine

tapeop.com

The Mercury 666 MKI Limiting Amplifier proves to be a versatile and euphonic tool, impressing with its unique blend of solid-state and tube design. It shines on instruments like snare drums and electric bass, offering a sparkle and presence that enhances tracks. The built-in Baxandall EQ is a standout feature, adding depth and brightness to the sound. However, some may question the lack of an EQ bypass switch and its considerable size. Despite these minor qualms, the Mercury 666 delivers a modern twist on a classic design, packing a punch with its comprehensive Attack/Release settings and blend knob. It's a bit pricey, but for those needing a robust, characterful compressor, it’s a worthy investment.

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Mercury 666 Studio Limiting Amplifier — A Mix Real-World Review - Mixonline

mixonline.com

Mercury's 666 Studio Limiting Amplifier is a devilishly good-sounding device that merges classic Fairchild 666 charm with modern flexibility. Its hybrid design features a Baxandall equalizer for broad frequency control and a Wet/Dry mix control for parallel processing effects. The unit's Sidechain and Insert section adds versatility, making it a solid choice for nuanced audio tweaking. While the fixed 11-position rotary switches for attack and release may initially frustrate some users accustomed to granular control, they are ultimately well-conceived. The learning curve is present but manageable, and once conquered, the 666 offers quick, high-quality sound capturing. The lack of an EQ bypass switch and some quirks in the bypass functionality could be seen as drawbacks, but the overall build quality and tonal possibilities make it a compelling choice for studios seeking classic compression with a modern twist.

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Clay Parton

Singer, Guitarist

Duster

Verified via Twitter

In a Twitter post by @thisisduster, evidence shows that Clay Parton uses the Mercury Recording Equipment 666, as indicated in the image captioned "(mixing)."