800R

Appendix C: Technical Info

ONYX

Onyx 800R Specifications

Frequency Response

Mic Input to Line Output (Gain @ unity): +0, –0.1 dB, 20 Hz to 30 kHz +0, –3 dB, 10 Hz to 170 kHz

Mic Input to Digital Output (AES, 192 kHz sample rate): +0, –0.2 dB, 20 Hz to 85 kHz

+0, –1 dB, 10 Hz to 90 kHz

Distortion (THD & IMD)

Mic Input to Line Output (@ +4 dBu output):

THD+N: < 0.0007%, 20 Hz to 20 kHz BW, 1 kHz input @ +4 dBu, preamp at unity gain

THD+N: < 0.002%, 10 Hz to 30 kHz BW, 1kHz input

@10mV rms (–37.8 dBu) SMPTE IMD: < 0.005% (4:1 IMD)

Mic Input to Digital Output (AES, 48 kHz sample rate): THD+N: < 0.004%, 10mV rms input,

gain at –1 dB FS output

Maximum Input Levels

Mic Input:

+22 dBu, Gain @ unity

Inst Input:

+21 dBu, Gain @ –20 dB

Line Input:

> +22 dBu, Gain @ –20 dB

Input Impedance

Ch 1 and 2 Mic Input:

 

300Ω, 500Ω, 1.3 kΩ, or 2.4 kΩ balanced

Ch 3 through 8 Mic Input:

 

2.4 kΩ balanced

Inst Input:

1 MΩ

Line:

20 kΩ balanced, 10 kΩ unbalanced

Output Impedance

Line:

100 Ω balanced

Signal Level LEDs

–20 dBu, 0 dBu (normal operating level), OL = 22 dBu

Dynamic Range

 

Sample Frequency Selections

32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz,

>123 dB (Mic In to Line Out)

176.4 kHz, 192 kHz, External

>113 dB (through A-to-D converters)

 

Noise

Signal-to-Noise (A-weighted):

>103 dB (ref. +4 dBu, Mic In to Line Out, Gain @ unity)

Equivalent Input Noise (E.I.N.), 20 Hz to 20 kHz Bandwidth,

150Ω source impedance:

–129 dBu @ +60 dB gain

Residual Output Noise:

Line Out: < –102 dBu (Channel Gain at unity)

Digital Out (AES, 48 kHz): < –113 dB FS

Common Mode Rejection Ratio (CMRR)

Mic In: >60 dB @ 1 kHz, Gain @ maximum

Crosstalk

Mic Input to Line Output:

<–100 dB @ 1 kHz, +10 dBu signal on adjacent input, 150Ω source impedance

Input Gain Control Range

Mic In: 0 dB to +60 dB

Line In: –20 dB to + 40 dB

Phantom Power

+48 VDC

Equalization

High-Pass Filter: 75 Hz @ 18 dB/octave

Rated Output

Line:+4 dBu

Maximum Rated Output:

+24 dBu @ Balanced Line-Level Outputs

Bit Depth Selections

24-bit (full range from converters), 16-bit (dithered)

Analog Input Connectors

Eight balanced XLR mic inputs

Two 1/4" TS high-impedance instrument inputs

One DB25 connector with eight balanced line-level inputs

Analog Output Connectors

One DB25 connector with eight balanced line-level outputs

Digital Input Connectors

One BNC connector for external word clock input

Digital Output Connectors

Two Toslink Optical Connectors

Both transmit channels 1-8 at 44.1/48 kHz operation

One transmits channels 1-4 and one transmits channels 5-8 at 88.2/96 kHz operation using S/MUX standard

One transmits channels 1-2 and one transmits channel 3-4 at 176.4/192 kHz operation using S/MUX standard

One DB25 Connector

Transmits AES/EBU or S/PDIF formatted digital audio with single-wire/dual-wire options available at all sample rates

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ONYX 800R

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Mackie owner manual Appendix C Technical Info, Onyx 800R Specifications

800R specifications

The Mackie 800R is a high-performance 8-channel microphone preamp that is designed for recording professionals and studios that demand exceptional sound quality and flexibility. This versatile unit stands out due to its robust build quality, advanced features, and user-friendly operation, making it a vital addition to any audio setup.

One of the main features of the Mackie 800R is its high-quality mic preamps, which employ the renowned Onyx technology. The Onyx preamps are characterized by their high headroom, low noise, and excellent linearity, resulting in clear, detailed sound reproduction. Each channel provides a gain range of up to 60 dB, allowing it to accommodate a wide variety of microphones, from dynamic to condenser, ensuring your recordings are always crisp and professional.

The 800R also includes eight balanced TRS outputs, which allow for seamless integration with mixers and audio interfaces. This flexibility simplifies the workflow in any recording environment, making it easy to patch into existing setups. Additionally, the unit features both analog and digital outputs, providing options for connecting to ADAT and S/PDIF devices, further enhancing its versatility.

Another notable characteristic of the Mackie 800R is its user-friendly interface. Each channel is equipped with a direct output, a 48V phantom power switch, and a -20dB pad, which allows users to tailor their settings on the fly. The built-in LED indicators provide visual feedback on signal levels, ensuring that users can easily monitor their inputs.

This preamp is also designed for durability with its solid metal chassis, which is built to withstand the rigors of both studio and live environments. Its compact size makes it ideal for mobile setups, allowing engineers to take high-quality audio with them wherever they go.

In summary, the Mackie 800R is a powerful and reliable microphone preamp that provides outstanding sound quality and flexibility for recording engineers and musicians alike. With advanced Onyx preamp technology, multiple output options, and a user-friendly design, the 800R stands out as an essential tool for anyone serious about capturing high-fidelity audio.