Owner's Manual
Page 4
...Output(s) Two 250W Amplifiers Two 600W Amplifiers ** Summed to Main Bus ** Mono Tape Outputs 406M 1 * ** 1 408M * 1 * ** 1 808M * 1 * ** 1 408S 2 2 808S 2 2 In addition, the PPM Series boast solid design features such as clipping. INTRODUCTION Thank you for Mains and Monitors • ... and Monitor line output • 1/4" Power Amp line inputs • Two 1/4" Speaker outputs per side • RCA stereo Tape In and Tape Out • Three year warranty At Mackie, we know what we 've applied what it takes to remain stable when powering ...
...Output(s) Two 250W Amplifiers Two 600W Amplifiers ** Summed to Main Bus ** Mono Tape Outputs 406M 1 * ** 1 408M * 1 * ** 1 808M * 1 * ** 1 408S 2 2 808S 2 2 In addition, the PPM Series boast solid design features such as clipping. INTRODUCTION Thank you for Mains and Monitors • ... and Monitor line output • 1/4" Power Amp line inputs • Two 1/4" Speaker outputs per side • RCA stereo Tape In and Tape Out • Three year warranty At Mackie, we know what we 've applied what it takes to remain stable when powering ...
Owner's Manual
Page 5
... SWITCH 23 POWER AMP IN 1 and 2 23 MIXER LINE OUT 24 MONITOR LINE OUT 24 TAPE IN and TAPE OUT 24 Rear Panel Connections 25 SPEAKER OUT 25 IEC Socket 25 GENERAL PRECAUTIONS AND CONSIDERATIONS . 26 Thermal Considerations 26 AC Power Considerations 26 APPENDIX A: Service Info 27 Warranty Service 27 Troubleshooting... Unbalancing a Line 29 Grounding 30 APPENDIX C: Technical Info 31 Specifications 31 Block Diagrams 33 NOTES 35 ® Don't forget to visit our website at www.mackie.com for more information about these and other...
... SWITCH 23 POWER AMP IN 1 and 2 23 MIXER LINE OUT 24 MONITOR LINE OUT 24 TAPE IN and TAPE OUT 24 Rear Panel Connections 25 SPEAKER OUT 25 IEC Socket 25 GENERAL PRECAUTIONS AND CONSIDERATIONS . 26 Thermal Considerations 26 AC Power Considerations 26 APPENDIX A: Service Info 27 Warranty Service 27 Troubleshooting... Unbalancing a Line 29 Grounding 30 APPENDIX C: Technical Info 31 Specifications 31 Block Diagrams 33 NOTES 35 ® Don't forget to visit our website at www.mackie.com for more information about these and other...
Owner's Manual
Page 6
...balanced microphone into one of plug supplied with 1/4" TS plugs. Plug the speakers (2 ohms or greater) into the Mackie PPM Series. Set all the EQ controls to unity (center). 8. Leave the POWER AMP ROUTING switch in the speakers. 9. This could overheat. 6 Level Setting 1. Turn up the channel VOLUME... . 6. Turn down the MAIN MASTER and MONITOR MASTER controls. 2. If your powered mixer. Push the linecord securely into anything except speakers (unless you probably don't want to have to get your equipment, turn on the rear panel. Slowly turn up the INPUT LEVEL ...
...balanced microphone into one of plug supplied with 1/4" TS plugs. Plug the speakers (2 ohms or greater) into the Mackie PPM Series. Set all the EQ controls to unity (center). 8. Leave the POWER AMP ROUTING switch in the speakers. 9. This could overheat. 6 Level Setting 1. Turn up the channel VOLUME... . 6. Turn down the MAIN MASTER and MONITOR MASTER controls. 2. If your powered mixer. Push the linecord securely into anything except speakers (unless you probably don't want to have to get your equipment, turn on the rear panel. Slowly turn up the INPUT LEVEL ...
Owner's Manual
Page 7
.... OO +20dB 7 VOLUME CH. Note: Since each amplifier is how to power the Main Front of House (FOH) speakers and the monitor speakers with the built-in parallel, each speaker must be 4 ohms or greater. OO +20dB 3 VOLUME CH. PHANTOM POWER CH 1-8 BREAK (MUTES CH 1-6) POWER ...LINE OUT RETURN MIXER LINE OUT COMPRESSOR OUT IN TAPE IN U L R +15 LEVEL L R TAPE OUT From MAIN SPEAKER OUT From MONITOR SPEAKER OUT Monitor Speaker This is driving two speakers in amplifiers. PLATE MD. ROOM EFX WIDE DELAY 1 DELAY 2 DELAY 3 DELAY 4 CHORUS FLANGE PHASER SPRING LOW 80Hz ...
.... OO +20dB 7 VOLUME CH. Note: Since each amplifier is how to power the Main Front of House (FOH) speakers and the monitor speakers with the built-in parallel, each speaker must be 4 ohms or greater. OO +20dB 3 VOLUME CH. PHANTOM POWER CH 1-8 BREAK (MUTES CH 1-6) POWER ...LINE OUT RETURN MIXER LINE OUT COMPRESSOR OUT IN TAPE IN U L R +15 LEVEL L R TAPE OUT From MAIN SPEAKER OUT From MONITOR SPEAKER OUT Monitor Speaker This is driving two speakers in amplifiers. PLATE MD. ROOM EFX WIDE DELAY 1 DELAY 2 DELAY 3 DELAY 4 CHORUS FLANGE PHASER SPRING LOW 80Hz ...
Owner's Manual
Page 8
...Note: If you have a 406M, 408M, or 808M, there is no stereo output because these models. Left FOH Speaker POWER AMP ROUTING Button OUT Right FOH Speaker Stereo Processor Direct Box Processor 408S - HALL LG. ROOM EFX BYPASS EFX WIDE DELAY 1 DELAY 2 DELAY 3 DELAY 4 CHORUS FLANGE PHASER SPRING PARAMETERS ... R POWER AMP IN MONITOR LINE OUT L MIXER OUT R MIXER OUT COMPRESSOR OUT IN TAPE IN U L R +15 LEVEL L R TAPE OUT From RIGHT SPEAKER OUT This is routed to both built-in these are mono versions. OO 6 +20dB VOLUME CH. OO 7 +20dB VOLUME CH. Vocal Mics From MONITOR LINE...
...Note: If you have a 406M, 408M, or 808M, there is no stereo output because these models. Left FOH Speaker POWER AMP ROUTING Button OUT Right FOH Speaker Stereo Processor Direct Box Processor 408S - HALL LG. ROOM EFX BYPASS EFX WIDE DELAY 1 DELAY 2 DELAY 3 DELAY 4 CHORUS FLANGE PHASER SPRING PARAMETERS ... R POWER AMP IN MONITOR LINE OUT L MIXER OUT R MIXER OUT COMPRESSOR OUT IN TAPE IN U L R +15 LEVEL L R TAPE OUT From RIGHT SPEAKER OUT This is routed to both built-in these are mono versions. OO 6 +20dB VOLUME CH. OO 7 +20dB VOLUME CH. Vocal Mics From MONITOR LINE...
Owner's Manual
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...MIXER LINE OUT COMPRESSOR OUT IN TAPE IN U L R +15 LEVEL L R TAPE OUT From POWER AMP 2 SPEAKER OUT Note: Turn down the TAPE IN LEVEL control (or better yet, disconnect the TAPE IN jacks at the mixer...) when the cassette deck is driving two speakers in record mode to the TAPE IN and OUT jacks. It also demonstrates how to connect a serial...and coverage for a larger club, hall, or auditorium, and an external amplifier for the monitor speakers. PLATE MD. ROOM EFX WIDE DELAY 1 DELAY 2 DELAY 3 DELAY 4 CHORUS FLANGE PHASER SPRING...
...MIXER LINE OUT COMPRESSOR OUT IN TAPE IN U L R +15 LEVEL L R TAPE OUT From POWER AMP 2 SPEAKER OUT Note: Turn down the TAPE IN LEVEL control (or better yet, disconnect the TAPE IN jacks at the mixer...) when the cassette deck is driving two speakers in record mode to the TAPE IN and OUT jacks. It also demonstrates how to connect a serial...and coverage for a larger club, hall, or auditorium, and an external amplifier for the monitor speakers. PLATE MD. ROOM EFX WIDE DELAY 1 DELAY 2 DELAY 3 DELAY 4 CHORUS FLANGE PHASER SPRING...
Owner's Manual
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...IN MONITOR LINE OUT L MIXER OUT R MIXER OUT COMPRESSOR OUT IN TAPE IN U L R +15 LEVEL L R TAPE OUT From RIGHT SPEAKER OUT Right FOH Speakers This shows how to connect an auxiliary FOH amplifier, which allows you have a 406M, 408M, or 808M, there is just one MIXER LINE OUT... are mono versions. OO +20dB 2 VOLUME CH. Vocal Mics From MIXER OUT From MONITOR LINE OUT Auxiliary FOH Amplifier Monitor Amplifier Monitor Speakers Stereo Processor Direct Box Processor 808S with Auxiliary Amplifier to your PA system and increase the overall power. HALL MD. OO +20dB 4 VOLUME...
...IN MONITOR LINE OUT L MIXER OUT R MIXER OUT COMPRESSOR OUT IN TAPE IN U L R +15 LEVEL L R TAPE OUT From RIGHT SPEAKER OUT Right FOH Speakers This shows how to connect an auxiliary FOH amplifier, which allows you have a 406M, 408M, or 808M, there is just one MIXER LINE OUT... are mono versions. OO +20dB 2 VOLUME CH. Vocal Mics From MIXER OUT From MONITOR LINE OUT Auxiliary FOH Amplifier Monitor Amplifier Monitor Speakers Stereo Processor Direct Box Processor 808S with Auxiliary Amplifier to your PA system and increase the overall power. HALL MD. OO +20dB 4 VOLUME...
Owner's Manual
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... OUT L MIXER OUT R MIXER OUT COMPRESSOR OUT IN TAPE IN U L R +15 LEVEL L R TAPE OUT Right FOH Speaker From RIGHT SPEAKER OUT Subwoofer This shows how to an external amplifier that powers the subwooofers. The low frequency (LF) outputs are connected to use ...subwoofers with Electronic Crossover and Subwoofers 11 Left FOH Speaker From LEFT SPEAKER OUT Subwoofer POWER AMP ROUTING Button OUT OO OO OO OO OO U 1 MON U 2 MON U 3 MON U 4 MON U 5 MON U 6 MON...
... OUT L MIXER OUT R MIXER OUT COMPRESSOR OUT IN TAPE IN U L R +15 LEVEL L R TAPE OUT Right FOH Speaker From RIGHT SPEAKER OUT Subwoofer This shows how to an external amplifier that powers the subwooofers. The low frequency (LF) outputs are connected to use ...subwoofers with Electronic Crossover and Subwoofers 11 Left FOH Speaker From LEFT SPEAKER OUT Subwoofer POWER AMP ROUTING Button OUT OO OO OO OO OO U 1 MON U 2 MON U 3 MON U 4 MON U 5 MON U 6 MON...
Owner's Manual
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...LEVEL L R TAPE OUT From MONITOR OUT From MIXER OUT Stereo Processor Direct Box Processor Vocal Mics Monitor Amplifier Monitor Speakers From RIGHT SPEAKER OUT Right FOH Speakers If you need more inputs than those provided by your PPM Series Powered Mixer, this setup shows how to use ... From MIXER OUT Stereo Line Mic Mon Mixer Aux Inputs Inputs Out Line Return Outs Submixer (closely resembling a Mackie CR1604-VLZ) To POWER AMP IN POWER AMP ROUTING Button OUT Left FOH Speakers From LEFT SPEAKER OUT OO OO OO OO OO U 1 MON U 2 MON U 3 MON U 4 MON U 5 MON U 6 MON...
...LEVEL L R TAPE OUT From MONITOR OUT From MIXER OUT Stereo Processor Direct Box Processor Vocal Mics Monitor Amplifier Monitor Speakers From RIGHT SPEAKER OUT Right FOH Speakers If you need more inputs than those provided by your PPM Series Powered Mixer, this setup shows how to use ... From MIXER OUT Stereo Line Mic Mon Mixer Aux Inputs Inputs Out Line Return Outs Submixer (closely resembling a Mackie CR1604-VLZ) To POWER AMP IN POWER AMP ROUTING Button OUT Left FOH Speakers From LEFT SPEAKER OUT OO OO OO OO OO U 1 MON U 2 MON U 3 MON U 4 MON U 5 MON U 6 MON...
Owner's Manual
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... when they can use this to patch a warm-up Band's Mixer using 808S Amplifiers 13 POWER AMP ROUTING Button OUT (MAIN/MAIN) Left FOH Speakers From LEFT SPEAKER OUT OO OO OO OO OO U 1 MON U 2 MON U 3 MON U 4 MON U 5 MON U 6 MON U 7 MON U 8 MON CUSTOM 32-BIT ... +12 U -15 +15 HI 12kHz 0 12 EFX DRIVE LEVEL EFX CLIP MID 2.5kHz LOW 80Hz REVERSE GATED CATHEDRAL LG. Vocal Mics Monitor Amplifier Monitor Speakers ROOM EFX BYPASS EFX WIDE DELAY 1 DELAY 2 DELAY 3 DELAY 4 CHORUS FLANGE PHASER SPRING PARAMETERS PAN NORMAL NORMAL L R NORMAL INPUT LEVEL SET L R...
... when they can use this to patch a warm-up Band's Mixer using 808S Amplifiers 13 POWER AMP ROUTING Button OUT (MAIN/MAIN) Left FOH Speakers From LEFT SPEAKER OUT OO OO OO OO OO U 1 MON U 2 MON U 3 MON U 4 MON U 5 MON U 6 MON U 7 MON U 8 MON CUSTOM 32-BIT ... +12 U -15 +15 HI 12kHz 0 12 EFX DRIVE LEVEL EFX CLIP MID 2.5kHz LOW 80Hz REVERSE GATED CATHEDRAL LG. Vocal Mics Monitor Amplifier Monitor Speakers ROOM EFX BYPASS EFX WIDE DELAY 1 DELAY 2 DELAY 3 DELAY 4 CHORUS FLANGE PHASER SPRING PARAMETERS PAN NORMAL NORMAL L R NORMAL INPUT LEVEL SET L R...
Owner's Manual
Page 15
... of extra gain (when turned fully clockwise). If it blinks frequently, you can adjust to change the sound and make it unique for your monitor speakers, via the EFFECTS SEND jack for parallel effects processing. Each EFX send control ranges from the external effects device by the channel's EFX knob, and...
... of extra gain (when turned fully clockwise). If it blinks frequently, you can adjust to change the sound and make it unique for your monitor speakers, via the EFFECTS SEND jack for parallel effects processing. Each EFX send control ranges from the external effects device by the channel's EFX knob, and...
Owner's Manual
Page 18
...'re ready for action. Use the RUMBLE REDUCTION switch on stage. The equalizer is within 3 to shape the overall frequency response for the monitor speakers on the monitor output to zero (center). 3. No amount of EQ can occur quickly and become very LOUD, very fast. 4. REMEMBER, LESS... of the sliders provides a graphic display of the frequency response at its output. This is used to shape the overall frequency response for the main speakers. The main RUMBLE REDUCTION switch affects only channels 1-6 and not the stereo channels 7 & 8, EFX TO MAIN, or TAPE IN. BE CAREFUL!...
...'re ready for action. Use the RUMBLE REDUCTION switch on stage. The equalizer is within 3 to shape the overall frequency response for the monitor speakers on the monitor output to zero (center). 3. No amount of EQ can occur quickly and become very LOUD, very fast. 4. REMEMBER, LESS... of the sliders provides a graphic display of the frequency response at its output. This is used to shape the overall frequency response for the main speakers. The main RUMBLE REDUCTION switch affects only channels 1-6 and not the stereo channels 7 & 8, EFX TO MAIN, or TAPE IN. BE CAREFUL!...
Owner's Manual
Page 20
... the monitor mix is added to the main signal path just after the RUMBLE REDUCTION switch and just prior to power the monitor speakers. Note: On the stereo versions (408S, 808S), the left and right inputs are summed together just prior to the MAIN power amp input when the POWER AMP ROUTING... possibility of the source device. Push this switch in . This switch doesn't affect the TAPE IN or the stereo channels (7&8) so you don't run your speakers). The tape signal is routed to the inputs of the MONITOR power amp. This is routed to the input of both amplifiers. You can connect...
... the monitor mix is added to the main signal path just after the RUMBLE REDUCTION switch and just prior to power the monitor speakers. Note: On the stereo versions (408S, 808S), the left and right inputs are summed together just prior to the MAIN power amp input when the POWER AMP ROUTING... possibility of the source device. Push this switch in . This switch doesn't affect the TAPE IN or the stereo channels (7&8) so you don't run your speakers). The tape signal is routed to the inputs of the MONITOR power amp. This is routed to the input of both amplifiers. You can connect...
Owner's Manual
Page 24
... OUTs to connect a sec- This way you have to connect the outputs from the internal mixer section; You can plug right into them as normal. 408S 2 X 250W STEREO L POWER AMP IN MAINS R POWER AMP IN MONITOR LINE OUT L MIXER OUT R MIXER OUT COMPRESSOR OUT IN U +15 LEVEL TAPE IN... L L TAPE OUT IN OUT External equalizer, compressor, or processor You might use its amplifiers and connected speakers (see application diagram on page 8). TAPE IN and TAPE OUT These are joined and the amplifiers play the external signals plugged into the PPM Series...
... OUTs to connect a sec- This way you have to connect the outputs from the internal mixer section; You can plug right into them as normal. 408S 2 X 250W STEREO L POWER AMP IN MAINS R POWER AMP IN MONITOR LINE OUT L MIXER OUT R MIXER OUT COMPRESSOR OUT IN U +15 LEVEL TAPE IN... L L TAPE OUT IN OUT External equalizer, compressor, or processor You might use its amplifiers and connected speakers (see application diagram on page 8). TAPE IN and TAPE OUT These are joined and the amplifiers play the external signals plugged into the PPM Series...
Owner's Manual
Page 25
... VAC 60HZ 320W ON POWER W T LEFT / MAIN SPEAKER OUT RIGHT / MONITOR SPEAKER OUT OUTPUT POWER: 250 WATTS / CHANNEL MINIMUM SPEAKER LOAD: 2 OHMS / CHANNEL Stereo Version Speaker Connectors (408S) POWER AMP 1 / MAIN SPEAKER OUT POWER AMP 2 / MONITOR SPEAKER OUT OUTPUT POWER: 250 WATTS / CHANNEL MINIMUM SPEAKER LOAD: 2 OHMS / CHANNEL Mono Version Speaker Connectors (408M) 25 Plug the linecord into an...
... VAC 60HZ 320W ON POWER W T LEFT / MAIN SPEAKER OUT RIGHT / MONITOR SPEAKER OUT OUTPUT POWER: 250 WATTS / CHANNEL MINIMUM SPEAKER LOAD: 2 OHMS / CHANNEL Stereo Version Speaker Connectors (408S) POWER AMP 1 / MAIN SPEAKER OUT POWER AMP 2 / MONITOR SPEAKER OUT OUTPUT POWER: 250 WATTS / CHANNEL MINIMUM SPEAKER LOAD: 2 OHMS / CHANNEL Mono Version Speaker Connectors (408M) 25 Plug the linecord into an...
Owner's Manual
Page 26
... you know nothing about. If the load impedance drops below clipping, the powered mixers draw the following average currents: Average Current Amplifier Loading 406M, 408M, 408S 808M, 808S 8Ω per side 2.0 A 2.2 A 4Ω per side 3.1 A 3.3 A 2Ω per side 4.8 A 5.0 A (Above current based on the line,... from the transistors and out to provide adequate airspace behind the mixer when you can check it cools off. Double-check the speaker load on the rear panel is important to the heatsink fins. This is coupled to a process called convection, warming the air...
... you know nothing about. If the load impedance drops below clipping, the powered mixers draw the following average currents: Average Current Amplifier Loading 406M, 408M, 408S 808M, 808S 8Ω per side 2.0 A 2.2 A 4Ω per side 3.1 A 3.3 A 2Ω per side 4.8 A 5.0 A (Above current based on the line,... from the transistors and out to provide adequate airspace behind the mixer when you can check it cools off. Double-check the speaker load on the rear panel is important to the heatsink fins. This is coupled to a process called convection, warming the air...
Owner's Manual
Page 27
...POWER AMP IN jacks? If that fixes the problem, make sure they work. For the 408S and 808S: • Do the LEVEL meters read the same on the front panel illuminated... No power! • Our favorite question: Is it plugged in good repair and securely connected at all Mackie products returned for the instrument is in ? If you're using a properly wired send/ return cable (...on . If the other ! Follow the procedures in good repair and securely connected at the SPEAKER OUT jacks, turn up sufficiently to proceed. If not, make sure the PHANTOM POWER switch is...
...POWER AMP IN jacks? If that fixes the problem, make sure they work. For the 408S and 808S: • Do the LEVEL meters read the same on the front panel illuminated... No power! • Our favorite question: Is it plugged in good repair and securely connected at all Mackie products returned for the instrument is in ? If you're using a properly wired send/ return cable (...on . If the other ! Follow the procedures in good repair and securely connected at the SPEAKER OUT jacks, turn up sufficiently to proceed. If not, make sure the PHANTOM POWER switch is...
Owner's Manual
Page 28
... not responsible for Mackie Powered Mixers living outside the United States can be coming from one of our authorized domestic service stations or at one end of one speaker cable. Include a legible note stating your powered mixer's serial number ready. Be sure that occurs due to... ventilation to non-factory packaging. 5. Please. 2. boxes), daytime phone number, RA number, and a detailed description of wire shorting across the speaker terminals. • Keep practicing. There's sound in its original package, including endcaps and box. Repair Service for the RA number, please let...
... not responsible for Mackie Powered Mixers living outside the United States can be coming from one of our authorized domestic service stations or at one end of one speaker cable. Include a legible note stating your powered mixer's serial number ready. Be sure that occurs due to... ventilation to non-factory packaging. 5. Please. 2. boxes), daytime phone number, RA number, and a detailed description of wire shorting across the speaker terminals. • Keep practicing. There's sound in its original package, including endcaps and box. Repair Service for the RA number, please let...
Owner's Manual
Page 32
...; 7.0. All other brand names mentioned are trademarks or registered trademarks of their respective holders, and are trademarks or registered trademarks of Mackie Designs Inc. All Rights Reserved. ® High Frequency Stability: Unconditionally stable, driving any frequency or level. Sara Delahan, Art ..., components, and manufacturing methods, we are always striving to Speaker Out) 26.4 dB (21V/V) Maximum Input Level 9.75 volts (+22 dBu) Rise Time 406M, 408M, 408S 808M, 808S < 5µs < 6.2µs 32 Slew Rate 406M, 408M, 408S 808M, 808S > 40V/µs > 50V/µs Load ...
...; 7.0. All other brand names mentioned are trademarks or registered trademarks of their respective holders, and are trademarks or registered trademarks of Mackie Designs Inc. All Rights Reserved. ® High Frequency Stability: Unconditionally stable, driving any frequency or level. Sara Delahan, Art ..., components, and manufacturing methods, we are always striving to Speaker Out) 26.4 dB (21V/V) Maximum Input Level 9.75 volts (+22 dBu) Rise Time 406M, 408M, 408S 808M, 808S < 5µs < 6.2µs 32 Slew Rate 406M, 408M, 408S 808M, 808S > 40V/µs > 50V/µs Load ...
Owner's Manual
Page 33
Block Diagrams PPM Series Powered Mixers Stereo Versions (408S, 808S) R L MON EFX R' L' 33 PHANTOM TRIM (INPUT LEVEL SET) 0 to 40dB INSERT -20dB MIC/LINE CH 1-6 +/- 15dB LO MID HI... +10dB MONITOR Off to +20dB EFX SEND EFX CLIP EFX RETURN L EFX LEVEL Off to +12dB TIME/RATE DAMPING/DEPTH EFX WIDE MACKIE DESIGNS PPM STEREO BLOCK DIAGRAM (212029CJM/DF/SE) EMAC DSP EFX RETURN R EFX FOOT SWITCH EFX BYPASS EFX TO MAIN Off to +... GROUND TAPE IN LEVEL L TAPE IN Off to +10dB R GLOBAL PHANTOM POWER +15V DC PHANTOM COMPRESSOR LEFT AMP LEFT SPEAKER OUT COMPRESSOR RIGHT AMP RIGHT...
Block Diagrams PPM Series Powered Mixers Stereo Versions (408S, 808S) R L MON EFX R' L' 33 PHANTOM TRIM (INPUT LEVEL SET) 0 to 40dB INSERT -20dB MIC/LINE CH 1-6 +/- 15dB LO MID HI... +10dB MONITOR Off to +20dB EFX SEND EFX CLIP EFX RETURN L EFX LEVEL Off to +12dB TIME/RATE DAMPING/DEPTH EFX WIDE MACKIE DESIGNS PPM STEREO BLOCK DIAGRAM (212029CJM/DF/SE) EMAC DSP EFX RETURN R EFX FOOT SWITCH EFX BYPASS EFX TO MAIN Off to +... GROUND TAPE IN LEVEL L TAPE IN Off to +10dB R GLOBAL PHANTOM POWER +15V DC PHANTOM COMPRESSOR LEFT AMP LEFT SPEAKER OUT COMPRESSOR RIGHT AMP RIGHT...