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From Our Research Team:

28 Boutique-quality Preamps with Mackie's Onyx 32x4 Analog Live Mixer!

Mackie's Onyx 32x4 analog live mixer offers nightclubs, bands, and houses of worship a console that doesn't force them to sacrifice channel count or sound quality when looking for a mid-sized analog console. Mackie's flagship Onyx 4-Bus Series live sound consoles upgrade the performance and functionality of the legendary Mackie SR24•4 and 32•4 while adding 100mm Panasonic faders, Onyx mic preamps, redesigned analog circuitry, Perkins EQ, and a built-in assignable stereo compressor/limiter section.

Mackie Onyx 32x4 Analog Live Mixer at a Glance:

• 28 Onyx microphone preamps
  
• Redesigned Analog Circuitry
  
• 4-band Perkins EQ
  
• Built-in stereo compressor/limiter

28 Onyx Microphone Preamps
The Onyx 32x4 analog mixer is loaded with Mackie's flagship Onyx mic preamps, offering excellent fidelity, headroom, and transparency. With specs like 123dB total dynamic range, -129.5 dBm Equivalent Input Noise, and 0.0007% Total Harmonic Distortion, Onyx preamps hold their own against boutique standalone mic pres. When you need crystal-clear fidelity, look no further than the Mackie Onyx 32x4 mixer with its superb mic pres.

Redesigned Analog Circuitry
Mackie spared no expense developing the Onyx 32x4 analog mixer, pulling together some of the highest-quality components available-from premium op-amps to IC chips costing exponentially more than those used in previous designs. All-new summing bus circuitry was designed from the ground up to maximize the Onyx 32x4's headroom. And the entire signal chain was electronically balanced from input to output, offering big, full-range sound and lower noise than many mixers in this class. Most significantly, premium Onyx mic preamps, Perkins EQ circuitry, and a THAT Corporation 4301 assignable stereo compressor/ limiter chip were custom tailored specifically for these new consoles.

4-band Perkins EQ
Mackie enlisted the aid of veteran audio engineer Cal Perkins to design the EQ circuit for the Onyx 32x4 live console. The Perkins EQ is built on the classic Wein Bridge circuit topology used in British consoles during the '60s and '70s, but offering increased filter and phase shift control. The end result is an extremely musical and very effective 4-band EQ with sweepable low- and high-mids, making the Onyx 32x4 a perfect for mixing live sound.

Built-in Stereo Compressor/Limiter
Compression and limiting have been a live sound tool for years, so Mackie decided to built one into the circuitry of the Onyx 32x4 mixer. And not just any compressor/limiter chip would do, so Mackie chose a high-quality master compressor/limiter chip from THAT Corporation for the Onyx 32x4. This assignable analog stereo compressor/limiter chip was designed and manufactured in the US by veteran analog engineers, offering true RMS Detection and Auto Make-up Gain for extremely accurate and musical results. It features independent Threshold, Ratio and Fast/Slow Attack controls, and can be assigned post-fader to the L/R main mix (for system limiting and protection) or pre-fader to Group 1 / 2 or 3 / 4 outputs (for grouped signal compression, like drums or background vocals). This reduces the hassle and expense of separate outboard processing.

On the rear of each Onyx console are DB-25 female connectors (in groups of eight), which can be used to route all mic/line signals to an external device. These connectors are configured with standard TASCAM pin outs. All of these balanced direct outputs are pre-fader and switchable via internal jumpers as either pre- or post-EQ. These outputs are ideal for multi-track live recording.

Mackie Onyx 32x4 Analog Live Mixer Features:

• 28 Onyx microphone preamps
  
• 4-band Perkins EQ
  
• 6 x 2 matrix provides 2 additional mixes
  
• 6 Aux sends with Pre/Post switches
  
• 100mm Panasonic™ Faders
  
• Built-in stereo compressor/limiter

Mackie continues to be a leader in live sound with the Onyx 32x4 analog mixer!

Specification Detail Type Analog Channels 32 Inputs - Mic Preamps 28 x XLR Inputs - Line 28 x 1/4" (CH 1-28), 4 x 1/4" (CH 29-32 Stereo), 2 x RCA (Tape) Inputs - Other No Other Inputs Outputs - Main 2 x XLR (Main), 1 x XLR (Mono), 2 x 1/4" (Main) Outputs - Direct 4 x DB25 (Direct Outs, Post Gain/Inserts CH 1-32) Outputs - Other 2 x 1/4" (Mon), 2 x RCA (Tape), 2 x 1/4" (Matrix), 4 x 1/4" (Group) Headphones 1 x 1/4" Send/Return I/O 6 x 1/4" (Aux Send), 4 x 1/4" (Return) Phantom Power 28 (CH 1-28) EQ Bands 4-band Sweepable High-mid, Low-Mid (CH 1-20), 4-band (CH 21-24 Stereo) Aux Sends 1-6 Pre/Post Busses/Groups 4 Group Faders 35 x 100mm Channel Inserts Yes (CH 1-28), 2 x 1/4" (Main Inserts), 4 x 1/4" (Group Inserts), 6 x 1/4" (Aux Inserts) Effects No Effects (Assignable Compressor) Talkback Yes Computer Connectivity No Computer Connectivity Rackmountable No Height 7.3" Depth 21.9" Width 39.8" Weight 48 lbs. Notes Assignable Compressor Manufacturer Part Number 15901

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