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Mackie Onyx 800RMackie Onyx 800R
 8-channel analog mic preamp, 192kHz digital output
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The Onyx 800R is an eight-channel rackmount mic preamp with simultaneous analog and 192kHz multi-format digital outputs. Delivering boutique studio preamp performance, the Onyx 800r features variable mic input impedance controls for "tuning" each preamp to its connected mic. This, along with superior analog components and premium A/D converters, gives the Onyx 800R unrivaled fidelity and dynamic range.

Eight Channels of Fantastic-Sounding Preamps
The Onyx 800R is equipped with eight of Mackie's Onyx mic preamps. Onyx preamps are clear and extremely detailed, with a full-spectrum sound that's absolutely faithful to whatever microphone you're using. Specifically, the Onyx 800R delivers a whopping 123dB of dynamic range and an amazingly low 0.0007% THD. With this degree of sonic transparency and multiple analog and digital output formats, the Onyx 800R makes an ideal audio interface for direct tracking to MDM, HDR, or software recording applications.

24-Bit/192kHz Digital Output
The Onyx 800R's sample rate selector allows you to choose 32, 44.1, 48, 88.2, 96, 176.4, or 192kHz sample rates, or an external clock from the rear panel. You can also select between 24-bit or 16-bit dithered word lengths at the digital outputs. Digital outputs are provided on two optical TOSlink connectors using the ADAT lightpipe digital audio format.

AES/EBU or S/PDIF formats are available on a DB25 connector, with selection buttons for impedance, pro or consumer status bits, and single-wire (two-channel) or dual-wire (single-channel) operation.

Variable Mic Impedance
Channels one and two feature an Impedance Select switch, which lets you fine-tune the mic preamp for a wide variety of microphone types. Variable Impedance presents an adjustable electrical impedance load to the microphone, giving you the ability to dial in various "sweet spots." The result is multiple "sound" choices from the same microphone. It also helps you achieve optimum performance from certain types of microphones that may have non-standard impedance values - such as ribbon microphones or older tube microphones.

Mid/Side Decoder Unlocks Stereo Mysteries
Channels one and two also provide the option of engaging a Decoder for Mid-Side stereo miking. For the uninitiated, Mid-Side stereo miking technique not only provides a stereo image of the source, but also allows you to adjust the width of the image by varying the balance between the Mid (or mono) and Side signals. Mid-Side requires the use of two microphones, one with a cardioid pickup and one with a figure-8 (bi-directional) pattern. The cardioid microphone (mid) faces forward toward the center of the sound source, while the figure-8 (side) microphone's two elements face sideways, perpendicular to the mid microphone. For more on Mid/Side, click here.

And for Your Additional Convenience...
Channels seven and eight feature high-impedance instrument inputs so you can connect an acoustic, electric, or bass guitar directly to the mic preamp, eliminating the need for an external direct box. Each channel also has a mic/line switch, a polarity reverse switch, individual 48v phantom power switch, low-cut filter switch, and a gain control. As for the rear panel, it provides individual XLR balanced mic input connectors for each channel, and balanced line inputs on a DB25 connector. Finally, analog balanced line outputs are also provided on a DB25 connector.

Features
  • Eight-channel 1U rackmount mic preamp featuring Onyx preamps
  • Variable Microphone Input Impedance control allows for precise preamp "tuning" to each mic
  • Simultaneous analog and 24-bit/192k digital connectivity via AES/EBU, ADAT lightpipe and S/PDIF
  • Front panel Mic/Line switches on every channel
  • 2 front-panel Instrument input jacks - no DI needed
  • Individual Low Cut, Phase and Phantom Power control on every channel
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  • Class-leading 24-bit/192kHz A/D converters rivaling dedicated standalone converter boxes costing thousands of dollars
  • Premium audiophile-grade components, analog circuitry and rugged professional build quality
  • Large images: Onyx 800F | rear panel
  • Specifications
  • Dimensions and Weight
    1.75"H x 17.75"W x 14.38"D - 10.6 lb
    19"W (with rack ears)

Mackie preamps  |  Onyx 800R  |  Onyx 1200F
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