Mackie SR24·4-VLZ PRO® 24x4x2x1 Audio Mixer

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Mackie SR24·4-VLZ PRO® 24x4x2x1 Audio Mixer Product code: SKU Manufacturer: Mackie Price: $1,399.00

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Mackie SR24·4-VLZ PRO® 24x4x2x1 Audio Mixer

The SR24·4-VLZ PRO is the latest update of our SR24·4 sound reinforcement console, incorporating our ultra-high quality XDR™ (Extended Dynamic Range) mic preamps with the best RFI rejection of any sound reinforcement mixer design on the market.

Like all of Mackie Designs' mixers, the SR24·4-VLZ PRO is designed for rugged, 24-hour-a-day use. With its mul-tiple input/output configurations, true 4-bus architecture, 6 aux sends, and extensive routing capabilities, it can be used in a variety of live sound and recording applications. Its sturdy steel construction houses rugged, double-sided SMT-plated fiberglass circuit boards, and 60 mm faders with ultra-tight lip seals for keeping out dust and other contaminants. Impact-resistant knobs are mounted so they "ride" just above the steel chassis.

The SR24·4-VLZ PRO has 20 mono mic/line input chan-nels, with XLR mic inputs and 1/4" TRS line inputs, and 2 stereo line input channels with 1/4" TRS inputs. All mono channels have TRS insert jacks (tip = send, ring = return). Each channel strip has an input trim, 6 aux sends (2 pre-fader, 2 post-fader, and 2 switchable pre or post), 3-band EQ with sweepable midrange (4-band EQ on the stereo chan-nels), pan control, and mute, solo, and bus assign switches. A 60 mm fader provides output gain for each channel.

Twenty XDR mic preamps provide high-headroom and low-noise. They are impedance-independent, so the fre-quency response remains constant whether the mic preamp is presented with an extremely high- or low-impedance load. Additionally, each channel has its own switchable low-cut filter (18 dB/octave @ 75 Hz).

The mono channel EQs provide a range of ±15 dB at the following frequencies: 12 kHz shelving high-frequency EQ, 100 Hz to 8 kHz sweepable peaking mid-frequency EQ, and 80 Hz shelving low-frequency EQ. The stereo channels (21-24) provide ±15 dB of boost and cut at the following frequencies: 12 kHz shelving high-frequency EQ, 3 kHz peaking high-mid frequency EQ, 800 Hz peaking low-mid frequency EQ, and 80 Hz shelving low-frequency EQ.

Channels can be assigned to buses 1-2, 3-4, and Main Mix L/R, and the 4 subs can be assigned to Left and Right Main Mix. Furthermore, each bus is "double-bused," providing eight outputs that can be connected to an 8-track recorder without repatching. Each sub out (1-4) and main out (L/R) has a TRS insert jack. Furthermore, Mackie's unique "AIR" EQ circuit is included on each of the four subgroups. It provides a gentle nudge to the extreme high-end, without affecting lower treble octaves.

Outputs include XLR and 1/4" TRS line outputs for the left and right mains, 1/4" TRS line outputs for subs 1-4, and an XLR mono main output. The mono main out has its own level control, so a mono mix can be sent to another zone and adjusted accordingly.

The Phones/Control Room switch and level control are connected to two stereo headphone outputs and the left and right Control Room output, allowing the stereo Tape Return, Left/Right Main Mix, and Solo to be monitored.

A stereo playback device can be monitored via the Tape Return Inputs. Tape Return to Phones/C-R routes the tape playback signal into the monitor system and meters, and the Tape Return knob adjusts the level of playback, which can be monitored via headphones. Tape Return signals can also be assigned directly to the Main Mix. The SR24·4-VLZ PRO also has RCA-style Tape Outs for output to conventional stereo recording devices.

Each of the six aux sends has its own individual master send control, driving 1/4" TRS output jacks. Six stereo aux returns are provided, with 1/4" TRS input jacks. Two aux returns can be folded back into Aux Sends 1 and 2 via their own volume controls to add effects in stage monitors.

An XLR input is provided for a talkback mic, which can be assigned to the Main Mix or to Aux 1-2. The talkback mic has a level control in the talkback section.

Features:

• Low noise/high headroom XDR™ (Extended Dynamic Range) mic preamps with excellent RFI rejection.
• New high-performance 2068 op-amps for incredibly low noise and distortion.
• Improved cooling for even greater thermal protection.
• 20 mic/line mono, and 2 stereo line channels.
• True 4-bus design.
• Solo, pan, and 16 kHz Air EQ on each submaster.
• 6 individual aux sends per channel (2 pre, 2 post, 2 switchable pre/post).
• 3-band swept midrange EQ on mic channels; 4-band fixed on stereo line channels.
• 75 Hz low-cut filters on mic channels.
• Mute, solo, signal present and OL LEDs on every channel.
• 6 aux send masters with individual solos.
• 4 stereo aux returns with EFX monitor.
• Separate Talkback section with mic preamp.
• Double-bused sub outs for easy multi-track routing.
• Balanced stereo TRS & XLR main outputs.
• Balanced XLR mono output with level control

Specifications:

• Noise (20 Hz to 20 kHz bandwidth, Line inputs to Main L/R outputs, all channels assigned, panned L/R):
  • Master fader down, Ch. gains down: -94.7 dBu
  • Master fader @ unity, Ch. gains down: -87.4 dBu
  • Master fader @ unity, Ch. gains @ unity: -83.5 dBu
• Total Harmonic Distortion (1 kHz @ +14 dBu, 20 Hz-20 kHz):
  • Mic input insert output: <0.0007%
  • Other outputs: <0.004%
• Crosstalk (1 kHz @ 0 dBu, 20 Hz to 20 kHz bandwidth, channel in to Main Left outputs):
  • Channel fader down, channels at Unity: -89.5 dB
  • Channel muted, channels 2-16 at Unity: -88.7 dB
• Frequency Response (any input to any output):
  • 20 Hz to 60 kHz: +0/-1dB
  • 10 Hz to 100 kHz: +0/-3dB
• Maximum Levels
  • Mic preamp input: +22 dBu
  • All other inputs: +22 dBu
  • Balanced XLR outputs: +28 dBu
  • All other outputs: +22 dBu
• Impedances
  • Mic preamp input: 1.5 kΩ
  • All other inputs: >10 kΩ
  • All outputs: 120 Ω
• Equalization
  • Lo EQ Shelving 80 Hz: +15 dB
  • Mid EQ (mono ch) Peak 100 Hz-8 kHz: +15 dB
  • Hi EQ Shelving 12 kHz: +15 dB
• Microphone Preamp, E.I.N. (150 Ω terminated, max gain): -129.5 dBm
• Power Requirements: 60 watts
• Physical
  • Dimensions (HxWxD): 5.60" x 31" x 19.20" 142.24 mm x 787.40 mm x 487.68 mmNet
  • Weight: 31 lbs (14 kg)