Mackie SR24.4 VLZ Pro Audio Mixer, 24-Channel

Four buses make live mixing a breeze because you can submix groups of inputs and then control them with one fader - for example, all of your background vocals or all your drum mics.

The SR24.4-VLZ PRO has 20 mono mic/line channels with XDR mic preamps PLUS 2 special line level channel strips. Equalization on the SR-VLZ PRO Series mixers is very versatile. Besides the fact that Mackie's Hi and Lo shelving EQ are centered at useful frequencies - 12kHz - the SR24.4-VLZ PRO has sweepable midrange EQ (on mono channels). You can center the midrange anywhere from 100Hz to 8kHz, low enough to use as a second low frequency EQ, and high enough to use in the high frequency range. (Stereo channels on mixer has 4-band EQ, with 12kHz and 80Hz Hi and Lo shelving EQ, and 2 fixed mids at 3kHz and 800Hz). And a low cut filter (on mono channels) centered at 75Hz allows you to cut out mic thumps and wind noise that can enter your mix and rob you of amplifier power.

The SR-VLZ PRO Series mixers have 6 aux sends per channel, with the flexibility to handle multiple chores at once. Two of the aux sends are pre-fader, so you can use them for monitor sends during a live session. Two other aux sends are post-fader, which you would want for effects during studio tracking and mixdown. But get this: the final 2 aux sends are switchable to pre- or post-fader! So you can have 4 pre-fader aux sends, or 4 post-fader aux sends, whenever you need them.

Along with great channel EQ, SR-VLZ PRO mixers come with factory "Air." This peaking EQ circuit, centered at 16kHz, enhances guitars, vocals, percussion, whatever, giving a gentle "lift" to the extreme high end. The result is extra detail and fidelity in the high end. Sound On Sound magazine said about Air: "[The] Air controls turned out to be far more effective in adding top-end clarity than you might first imagine - it's almost an 'exciter' kind of effect, but without the harshness."

When you put all of the SR-VLZ PRO Series' features and enhancements together, you'll have 2 highly-affordable sound reinforcement mixers with what it takes for both live and small studio applications.

Features:
Premium XDR mic preamps (20 on the SR24.4 VLZ PRO)

4 submix buses

6 aux sends (2 pre, 2 post, 2 switchable pre/post)

3-band EQ with sweepable mids (4-band fixed EQ on stereo channels)

75Hz Low cut filter on all mono channels

"Air" EQ on sub buses

Talkback section with level control, LED, and separate rear XLR input

"Double-bused" sub outs for eight track recording without repatching

Inserts on all mono channels and subs

AFL/PFL solo on all channels (globally switchable)

60mm log-taper faders for consistent fades

Balanced XLR and 1/4 in. main outputs

Additional mono XLR main out with level control

Balanced inputs and outputs (except phones, inserts, RCAs)

Built-in power supply

12V BNC lamp socket

Best RFI resistance of any compact SR mixer in the galaxy thanks to advanced DC-pulse transformers.

New! ultra-high-performance 2068 op amps for incredibly low noise and distortion

Improved cooling for even greater thermal protection in hot environments

New! XDR mic preamps with 60dB gain range, 130dB dynamic range, 192kHz bandwidth, 0.0007% THD

Same Day Music is an authorized dealer of Mackie products.

Noise (20Hz to 20kHz bandwidth, Line inputs to Main L/R outputs, all channels assigned, panned L/R):
Master fader down, Ch. gains down -94.7dBu
Master fader @ unity, Ch. gains down -87.4dBu
Master fader @ unity, Ch. gains @ unity -83.5dBu

Total Harmonic Distortion (THD):
1kHz @ +14dBu: 20Hz - 20kHz
Mic in to Main out: below 0.0007%

Crosstalk (1kHz @ 0dBu, 20Hz to 20Khz bandwidth, channel in to Main Left outputs):
Channel fader down, channels at Unity -89.5dB
Channel muted, channels 2-16 at Unity -88.7dB

Frequency Response (any input to any output):
20Hz to 60KHz +0/-1dB
10Hz to 100KHz +0/-3dB

Maximum Levels:
Mic preamp input +22dBu
All other inputs +22dBu
Balanced XLR outputs +28dBu
All other outputs +22dBu

Impedances:
Mic preamp input 1.3 kOhms
All other inputs >10 kOhms
All outputs 120 Ohms

Equalization:
Lo EQ: Shelving 80Hz ±15dB
Mid EQ (mono ch): Peak 100-8kHz ±15dB
Hi EQ: Shelving 12kHz ±15dB

Microphone Preamp:
E.I.N. (150 O terminated, max gain): -129.5dBm

Power Requirements: 60 watts

Weight: 14 kg (31 lbs.)

Same Day Music is an authorized dealer of Mackie products.

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