Mackie CR1604 Support Question
Mackie CR1604 Support Question
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Question posted by rod4usc on April 8th, 2014
My Cr1604-vlz Breaks Down To A Loud Pulsating Hum And The Lights Are Flashing.
When the system starts pulsating, nothing affects it so I shut it down. when I turn it back on, it comes back ok but the time to breakdown. gets shorter and shorter. Can you tell me what is causing this?
Current Answers
Related Mackie CR1604 Manual Pages
Owner's Manual - Page 1
...Z BALANCED MICROPHONE INPUTS
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PHANTOM
MAINS
CR1604 16 CHANNEL MIC/LINE MIXER
LAMP 12 VAC
AUX U
AUX U
AUX U
AUX U
AUX U
AUX U
AUX U
AUX U
AUX U
AUX...+15 EQ
0
-15 +15 EQ
0
-15 +15 EQ
0
-15 +15 EQ
0
-15 +15 EQ
0
CR1604 16 CHANNEL MIC/LINE MIXER
CLIP +8 +4 +2 0 -4 -8 -12 -16 -20
ALT PREVIEW
MAIN OUTPUT MUTE
SOLO TO...
Owner's Manual - Page 2
.... AUCUN ENTRETIEN DE PIECES INTERIEURES PAR L'USAGER. AVIS: POUR EVITER LES RISQUES D'INCENDIE OU D'ELECTROCUTION, N'EXPOSEZ PAS CET ARTICLE
A LA PLUIE OU A L'HUMIDITE
The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to operate normally or exhibits a marked change in the USA.
9.
Power Sources...
Owner's Manual - Page 5
...be used to route a portion of the control component, which taps the signal downstream from the EQ .... 1
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PHANTOM
MAINS
CR1604 16 CHANNEL MIC/LINE MIXER
INPUT/OUTPUT "POD"
LAMP 12 VAC
AUX U
AUX U
AUX U
AUX... 1-6 as a stage monitor mix for processing or sub-mixing. Since it's affected by the AUX 3 and 4 Knobs. The "hidden" sends: 5 & ...
Owner's Manual - Page 7
... possibilities via the ALT 3/4 buses with a tiny, obscure SOLO light, you know why we made ours large and rude.
5 MUTE...acoustic power while panning center to side, the apparent loudness at the center detent position. Such as a "mute...pots help: Imagine that warns you when you get the
soloed signals). WHAT CONSTANT POWER PAN POTS...come out at Unity gain just as if you 'd expect.
Owner's Manual - Page 8
... of the Master
pot will still flash with arbitrary and confusing ranges of..., pressing the AUX
RETURN MONO button will start at the upper left /right balance of ... more familiar
the faders down, the OL light will keep from over driving the EQ,
...affected because it solos all four AUX returns at the same time. Because levels can achieve very high
headroom and low noise at the same time...
Owner's Manual - Page 9
... the ALT PRE-
• OUT -
Even inter- loud with an appropriate adaptor. Now you
3 00 +20... sound person can solo into his phones without affecting the main mix. Walk-Per-
13 MAIN OUTPUT...a
The stereo PHONE jack will get the soloed Aux Return signals).
12... OUTPUT MUTE to kill hum and
10 noise from ...come in very handy when you to listen to the start of the CR-1604.
Owner's Manual - Page 10
...goose-neck lamp. off to loud enough to cause a frontal lobotomy (see ...what makes it can re-
Always turn the SOLO/PHONES LEVEL con- 17 ...activating the SOLO TO MAIN button.
+10
17
16
U
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CR1604 16 CHANNEL MIC/LINE MIXER
L
00
00
LAMP 12 VAC
AUX U
AUX U
AUX U
AUX U
AUX U
AUX U
AUX...below the Unity gain level. Get it for various hookups which...
Owner's Manual - Page 11
... microphone that six mic inputs takes care of circuit is excellent at rejecting hum and noise. Ask your own male XLR's, connect them .
controls for the...Basically, Inputs 1-6 will handle any more high quality discrete, balanced preamplifiers just like that carry audio (hence
trols are unaffected by dy- But if you're miking a complex drum kit, lots...will get 10dB more details.
11
Owner's Manual - Page 12
... phantom power circuitry
takes a moment for 1-button turn ,
If you move.
• The thin cable coming out of
don't connect electronically balanced com- If some esoteric breed that could cause a 24 MAINS
momentary DC spike that 's only available from instrument level to your power strip and get in the way when you leave this...
Owner's Manual - Page 18
...break every hour or so they 're sticklers for a Grammy nomination... Next, get a pair of POLY POOPALA liquid cooled monoliths that many new engi- Finally, if you turn...systems. "DO I HAVE TO?" It comes in the faders.
• To clean... the key to start getting out of what is really telling you cranked in... These two components are indispensable if you are an old set of time than if...
Owner's Manual - Page 19
...light up occasionally but not enough to record or perform at the beginning of the meter, as you 'll get... jam away as your music. Turn the channel's SENSITIVITY control fully ... out of source which will affect levels somewhat, but only during...'ve set it 's no biggie. It's OK for each channel, using the appropriate kind of...START
achieving the CR-1604's impressive noise and...
Owner's Manual - Page 20
... the main chassis.
5. Replace the slotted plate but install it turned around 180˚ with its own set of the mixer. The...slots.
7. DO NOT press hard while inserting these screws.
8. It comes with the ribbon cables in this position. Reinstall two #8 screws on ...five minutes and a Phillips-head screwdriver to change the CR1604's input/output pod from tabletop to jacks-to secure ...
Owner's Manual - Page 29
PRE-FADER
PRE-FADER POST-FADER POST-FADER
PRE MUTE/ALT PRE MUTE/ALT PRE MUTE/ALT POST MUTE/ALT
Here are the most common CR1604 modifications, six of AUX Sends and Channel Inserts in the signal flow. CONVERT AUX SENDS TO MONITOR SENDS (Pre-EQ, Pre-Fader, Pre-Mute/ALT ...
Owner's Manual - Page 36
...Input/Output Pod with separate switch to provide DC power to +8, plus CLIP), Power LED, flashing Solo LED, Stereo Headphone/Solo Output Jack and 45mm Solo/Headphone Level Control. all mic input...shall be unassigned from -40dBu to +22dBu on Channels 1 through 16. The Mute switch shall cause muted channels to be adjustable to allow flush mounting which shall allow listening to +22dBu on ...
Architect's Specs - Page 2
...meter (calibrated -20 to +8, plus CLIP), Power LED, flashing Solo LED, Stereo Headphone Output Jack and 45mm Solo/Headphone Level...-83dB (20Hz to20kHz ref: +4dBU). The Mute switch shall cause muted channels to be unassigned from main left/right output and reassigned...Designs constantly endeavors to improve its products with new components and manufacturing methods, all muted channels via mechanical ...
Contractor's Specs - Page 3
... EQ 0
-15 +15 EQ 0
-15 +15 EQ 0
-15 +15 EQ 0
-15 +15 EQ 0
-15 +15 EQ 0
-15 +15 EQ 0
-15 +15 EQ 0
-15 +15 EQ 0
CR1604 16 CHANNEL MIC/LINE MIXER
CLIP +8 +4 +2 0 -4 -8 -12 -16 -20
ALT PREVIEW
MAIN OUTPUT MUTE
SOLO TO
MAIN
LR PAN
SOLO
1
MUTE ALT 3/4
LR PAN
SOLO...
Owner's Manual Glossary - Page 11
... are those speakers used by electrons bouncing around in resistors and semiconductor junctions. If the audio frequency should not exceed 22.05 kHz.
11 In a well designed mixer, the noise...is more usable dynamic range a system has.
Inserting a plug breaks this connection, allowing the signal path to be hum, buzz or hiss; Nyquist sampling theorem
This theorem states that in...
Arcane Mysteries - Page 2
... in response to get into the microphone and located extremely close to external noise (specifically, hum and buzz). It...;ect the effects of the microphone. Mute the sound system when turning the phantom power on or off, or when connecting or disconnecting... & DON'T CHART
DO
DON'T
If you forget, the resulting loud POP may be phantom powered.
Because a balanced system is an ...
Arcane Mysteries - Page 4
...starground system for speaker connectors.
4 If you turn off the phantom power. Do's and Don... (unless necessary for them before you can get this way. Know the frequency, transmitter power... and the speakers.
7. All of the audio system grounds should be less than microphone inputs...Otherwise, run in the open, they may come visiting.
3. Make all connections that many ...light dimmers.
12.
Arcane Mysteries - Page 5
...by breaking or cutting the pin off, or by the management for your audio system ...LOUD Technologies Inc. ©2003 LOUD Technologies Inc. If your audio equipment. It provides a low-resistance path back to the electrical service to connect every component of the power cord. Many "authorities" tell...less likely to pick up hum more efficiently.
...of time.
5. Run your audio system...
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