Mackie 408S Powered Mixer (Stereo, 500 Watts)

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500 Watt stereo powered mixer.

Overview

The whole point of a powered mixer is lots of power, right? That's why there's a real FR Series High-Current, Fast-Recovery power amp inside every PPM Series Powered Mixer.

It's designed to run all night into brutally low impedances and sound clean even when driven hard. Mackie starts with a massive toroid transformer and 2 unusually large storage capacitors with 720 joules of energy storage capacity. In fact, the PPM power supply is so robust that it can run on as little as 80 volts at the end of a long, skinny extension cord during a brown-out. Then they add their Fast Recovery circuitry that reduces latching distortion so PPM Series mixers sound good even when driven well into clipping. Also included is an SCR crowbar circuit for speaker protection.

Visit a Mackie Dealer and run a side-by-side comparison with the competition. You'll be amazed by how much louder and cleaner PPM Powered mixers sound - even when driving huge PA cabinets.

Ingenious Break Switch
Mutes Channels 1-6 during set breaks so you can play music (via the tape input and stereo channels 7 or 8) without having to mess up your levels, deal with feedback loops, or risk having somebody grab a mic and start spouting existentialist poetry.

EFX Wide Switch
When you hear the PPM Series' ultra-realistic 32-bit EMAC(TM) effects, you'll be impressed. But Mackie also gives you extra effects control - via dual parameter controls and with the EFX WIDE button. It psycho-acoustically adds width and/or depth to reverbs,… read more chorus, and flange...perfect for set-ups where your speakers have to be placed close together.

75Hz Rumble Reduction
75Hz low-cut filters in both built-in 9-band equalizer sections remove microphone thumps, P-pops, and stage rumble. Sharp 18dB/octave circuitry works without cutting audible bass.

Features
500 real watts/2 ohms from twin 250-watt FR Series High-Current power amps

Power amps switchable as stereo mains or main plus monitor

8 mic/line channels with master phantom power

Stereo line inputs on channels 7 and 8

Inserts on channels 1-6

Active 3-band EQ and stereo pan control on each channel

True stereo 9-band graphic EQ on mains

9-band graphic EQ on monitor

All PPM Series Powered Mixers Feature:
Rugged injection-molded chassis resists impacts that would destroy a rat-fur-covered wood box powered mixer. Built-in handle can be used by folks who don't have the foggiest idea of what injection molding is.

A real Mackie Designs mic/line mixer section! Based on our world-famous MicroSeries 1202-VLZ and enhanced with new mic preamps and about a gazillion ingenious extra features.

Rugged, sealed rotary controls resist dust, moisture, and other contamination.

Expensive, studio-grade, 9-band program equalizers for mains and monitor that utilize multiple summing amplifiers and precision infinite feedback band-pass filters, which yield superior linear-phase and combining properties. What this means is the graphic EQs are exceptionally low-noise, low-distortion, sound great, and don't suffer from any nasty phase-shift problems.

Level-setting control and LED on every PPM mixer channel

Specs

Mixer Section

Frequency Response
Mic Input to Main Mixer Output (Trim at 0 dB): +0, -1 dB: 32Hz to 20kHz, +0, -3 dB:16Hz to 80kHz

Mic Input to Power Amp Output at rated power output: +0, -1 dB: 32Hz to 20kHz, +0, -3 dB: 16Hz to 55kHz

Distortion
THD and SMPTE IMD; 20Hz to 20kHz
Mic Input to Main Mixer Output: < 0.005% at +4dBu output
Mic Input to Power Amp Output: < 0.15% 250mW to rated power

Common Mode Rejection Ratio (CMRR)
at 1kHz, Trim at 0 dB: 60dB

Noise
20Hz-20kHz bandwidth, 150-ohm source impedance

Equivalent Input Noise (EIN): -127dBu

Residual Output Noise with Main Mixer, Monitor, and Effects outputs, Channel and Master levels off: -95dBu

Main Mixer Output Noise with Master at nominal (-10dB), all channels off: -92 dBu

Main Mixer Output Noise with Master and one input at nominal (-10dB and -20dB), Trim at 0dB: -85dBu

Crosstalk
at 1 kiloHertz

Adjacent Inputs or Input to Output: -90 dB

Fader Off: -90 dB

Break Switch Mute: -80 dB

Input Level Trim Control Range
0 to -40dB

Phantom Power
+15V DC

Equalization
Rumble Reduction: 75hz, -18dB/octave
Channel EQ High: +/-15dB at 12kHz
Channel EQ Mid: +/-12dB at 2.5kHz
Channel EQ Low: +/-15dB at 80Hz

Graphic EQ: 9 bands, +/-15dB, Q=1.414: ISO octave centers at 63Hz, 125Hz, 250Hz, 500Hz, 1kHz, 2kHz, 4kHz, 8kHz, 16KHz

Main Mixer Section Rated Output
Main Mixer, Monitor, and Effects: +4 dBu
Maximum Main Mixer Section Output: +20 dBu

Maximum Input Levels
Mic Input Trim at HI (0dB): -20dBu
Mic Input Trim at LOW (-40dB): +20dBu
Line Input Trim at HI (0dB): 0dBu
Line Input Trim at LOW (-40dB): +40dBu
Insert Input: +20dBu
Stereo Line Input: +20dBu
Tape Input: +20dBu
Effects Return: +20dBu
Power Amp In: +22dBu

Input Sensitivity
Minimum Input Level to produce +4dBu at Main Mixer Output
Mic Input: -68dBu
Insert Input: -28dBu
Line Input: -48dBu
Stereo Line Input: -28dBu
Tape Input: -18dBu
Effects Return: -18dBu

Maximum Voltage Gain
Mic Input to Insert Output: 40dB
Mic Input to Tape Output: 60dB
Mic Input to Main Mixer Output: 72dB
Line Input (Mono) to Insert Output: 20dB
Line Input (Mono) to Tape Output: 20dB
Line Input (Mono) to Main Mixer Output: 52dB
Stereo Line Input to Tape Output: 20dB
Stereo Line Input to Main Mixer Output: 32dB
Tape Input to Tape Output: 10dB
Tape Input to Main Mixer Output: 22dB
Effects Return to Main Mixer Output: 22dB
Effects Return to Monitor Output: 22dB

Input Impedance
Mic Input balanced: 3 kilohms
Insert Input unbalanced: 10 kilohms
Line Input balanced: 40 kilohms
Stereo Line Input unbalanced: 10 kilohms
Tape Input unbalanced: 10 kilohms
Effects Return unbalanced: 10 kilohms
Power Amp In unbalanced: 10 kilohms

Output Impedance
Main Mixer Output: 150 ohms
Insert Output: 150 ohms
Tape Output: 150 ohms
Monitor Output: 150 ohms
Effects Send: 150 ohms
Power Amp Out: 0.032 ohms at 1kHz

Digital Effects
Resolution: 32-bit EMAC internal processing, 2-channel
Sample Rate: 31.25kHz
Bandwidth: 15.6kHz

VU Meters
Main and Monitor, 8 segments: Clip, +5, 0, -5, -10, -15, -20, -30

Power Amplifier Section:

Maximum Power at 1% THD, midband
(both channels driven)
2 ohms: 250W x 250W per channel
4 ohms: 200W x 200W per channel
8 ohms: 125W x 125W per channel
2 ohms: 500W total

Continuous Sine Wave Average Output Power
40Hz to 20kHz (both channels driven at rated power)
180W per channel 4 ohms: no more than 0.15% THD
110W per channel 8 ohms: no more than 0.10% THD

Power Bandwidth
<10Hz to 30kHz (+0, -1dB) at rated power into 4 ohms

Frequency Response
<10Hz to 30kHz (+0, -1dB)
<10Hz to 55kHz (+0, -3dB)

Distortion
THD, SMPTE IMD 4 ohms: <0.15%
THD, SMPTE IMD 8 ohms: <0.10%

Signal-to-Noise Ratio
<105dB below rated power into 8 ohms

Channel Separation
>75dB at1 kHz

Damping Factor
>250dB at1 kHz

Amp Input Impedance
10k ohms unbalanced, 20k ohms balanced

Continuous Sine Wave Average Output Power
(both channels driven at rated power into 4 ohms)
1.35V (+4.8dBu)

Gain
(amp in to speaker out)
26.4dB (21V/V)

Maximum Input Level
9.75V (+22dBu)

Rise Time
< 5us

Slew Rate
> 40V/us

Load Angle
8 ohms time independent: 8 (+/-jx)
4 ohms time dependent: 4 (+/-jx)

High Frequency Overload and Latching
No latch up at any frequency or level

High Frequency Stability
Unconditionally stable driving any reactive or capacitive load

Continuous Sine Wave Average Output Power
(Capable of operation from 75% to 110% of rated line voltage)
United States 120VAC: 60Hz

Physical
Dimensions (H x W x D): 11.7 x 20.5 x 13 in. (297 x 521 x 330 mm)

Weight: 32 lbs. (14.5 kg)

Documents and Manuals

For support or warranty questions, please contact the manufacturer:
Phone: 800-898-3211
Email: support@mackie.com
Web: https://mackie.com/en/support/contact

Hookup Guide

Owner's Manual