Yamaha EMX312SC Support Question
Yamaha EMX312SC Support Question
Find answers below for this question about Yamaha EMX312SC.Need a Yamaha EMX312SC manual? We have 1 online manual for this item!
Question posted by smitch on August 24th, 2015
Dc Offset On Speaker Outputs
Hi , What can I look at to correct the 2.5v and 600mv DC offset on my Yamaha EMX512SC Amp (left and right CH) ? I have the schematicthankyou
Current Answers
Answer #1: Posted by TommyKervz on August 25th, 2015 6:45 AM
TommyKervz
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Related Yamaha EMX312SC Manual Pages
Owner's Manual - Page 3
...speakers to the speaker jacks. When you or others, or damage to the device or other property. Depending on the AC power in your audio...the buttons, switches or connectors.
(5)-4 2/3
EMX512SC/EMX312SC/EMX212S
3
The device contains no user-...tend to generate heat, such as correct for the same reason.
•... inspected by qualified Yamaha service personnel. Inadequate ventilation can...
Owner's Manual - Page 4
...connectors;
Consult qualifi ed Yamaha service personnel about permissible use ...manual applies to use .
4
EMX512SC/EMX312SC/EMX212S IMPORTANT: When connecting this ...mixers and mixer concepts. The wire which is divided into two main sections, as follows.
■ Mixer...in your use of these corrective measures do not produce ...In the case of other audio data for damage caused by ...
Owner's Manual - Page 5
...But of variations with one speaker and the monitor signal to the other. The top panel offers separate main and monitor outputs, while the POWER AMP switch can be used to...out the lower ones. Please read through this Yamaha EMX512SC, EMX312SC, or EMX212S power mixer. After reading the manual, please store it possible to connect the SPEAKERS jacks directly to freely mix inputs from microphones,...
Owner's Manual - Page 6
...
Before Turning On the Mixer
■ Connecting to ...of their distance from the speakers, you should power up to indicate that power is on , make sure that it ON again.
6
EMX512SC/EMX312SC/EMX212S
The power lamp ... ON. For example:
Sound source (external device) → EMX unit → Amps (Powered speakers)
When turning power off , push the switch again, so that the LEVEL and MASTER...
Owner's Manual - Page 7
...6
1 Connect up two speakers and generating some stereo output. Note that may result in damage to the mixer. Then connect your input ...RIGHT
WRONG!!
1
Before connecting input devices to the EMX, be sure to turn the volume of these precautions may damage your equipment, your ears, or both A and B jacks to jack B (B1 or B2). EMX512SC/EMX312SC/EMX212S
7 Connect one speaker to SPEAKERS...
Owner's Manual - Page 9
...LINE/MIC switch on each channel accordingly.
EMX512SC/EMX312SC/EMX212S
9 This precaution does not apply to balanced dynamic microphones, however, as a keyboard or audio device, set the channel's switch to... equipment, or to phantom power. If using powered speakers or amps, turn these precautions may be sure to turn on...mixer and to the ON position ( ).
6 Turn on the EMX itself.
Owner's Manual - Page 10
... the overall output level. Reduce the MASTER knob setting so that the LEVEL meter occasionally reaches the "0" level.
9 Now turn the MASTER knob in the MAIN section to the internal amp. BASIC Quick Guide
7 Turn the MASTER knob in the MAIN section again as necessary to flash on .
10
EMX512SC/EMX312SC/EMX212S For...
Owner's Manual - Page 13
...right?
The connector's label will usually tell you what type of Your Mixer
An Introduction
You've got yourself a mixer and now you're ready to use this type of connector when connecting a CD player or other home audio type source to your mixer, or when connecting the output... first used . and "What's the difference?". EMX512SC/EMX312SC/EMX212S
13
Phone jacks can be unbalanced mono, ...
Owner's Manual - Page 14
... the inputs and outputs of phase. Balanced,
Unbalanced-What's
the Difference? The whole point of other out. That's why balanced lines are almost always used is best. How Do Balanced Lines Reject Noise?
** Skip this is left intact. The signals cancel each other sources.
The out-of phase (i.e. Clever, eh?
14
EMX512SC/EMX312SC/EMX212S
Owner's Manual - Page 15
...digits to 0 dBu (0.775 V) in audio: the decibel (dB). In this approach...look at one of the most commonly used units in the mixer's preamp stage requires that the signal be heard is easy, right? You might produce a level as high as a signal level of 0.775 volts. For example, if a microphone's output... a good idea to start with?
EMX512SC/EMX312SC/EMX212S
15 This is a nonlinear scale...
Owner's Manual - Page 18
...shift which is usually used as "limiting" can also
OUTPUT
be used - The Modulation Effects: Phasing, Chorus, ...careful attention to
(Min)
(Max)
INPUT
18
EMX512SC/EMX312SC/EMX212S Any more "saturated" sound. For chorus... basically the same principle: a portion of the audio signal is primarily in a cave-which , when.... BASIC Making the Most of Your Mixer
the way down, then gradually bring ...
Owner's Manual - Page 20
...output from the channel into the bus. Turning the knob to the right boosts the corresponding frequency band, while turning to "0".
20
EMX512SC/EMX312SC...even in the absence of the signal sent from the SPEAKERS A jacks V (depending on the setting of the ...C. If the lamp lights up for each of the POWER AMP switch R).
If input is from a stereo channel pair ...left attenuates the band.
Owner's Manual - Page 21
...are connecting up stereo output devices, such as a keyboard or audio device.
LINE jacks:...5/6 to the right, the mixer automatically raises the compression ratio while adjusting the output gain accordingly. ... Controls and Connectors
6 COMP knob (EMX512SC and EMX312SC only)
This knob adjusts the level...you are connecting.
To avoid damage to speakers, be sure to turn off the power...
Owner's Manual - Page 22
...Switches use a separately sold ) YAMAHA FC5 foot switch. The internal effect is applied only if this jack to output the signal to an external ...mixer automatically restores the value that was previously used .
If you are returning a signal from the EFFECT bus.
D FOOT SW jack
This phone input jack can use your foot to toggle the internal effector ON and OFF.
22
EMX512SC/EMX312SC...
Owner's Manual - Page 23
... knob G and graphic equalizer E. NOTE
Since this output signal is output to the MAIN OUT jacks I and to
a power amp or powered speakers. MAIN Section
E F J
Controls and Connectors
E Graphic Equalizer
This 7-band graphic equalizer adjusts the frequency characteristics of the signal output from the MAIN OUT jack I.
EMX512SC/EMX312SC/EMX212S
23 The base frequencies for the bands...
Owner's Manual - Page 25
... on , the mixer supplies DC +15V
power to pins 2 and 3 of subwoofers.
If the lamps are using phantom power, do not connect any other such device into channels 9 to "0". SPEAKERS jacks B1 and B2 output the signal from the MAIN L and MAIN R buses. EMX512SC/EMX312SC/EMX212S
25
Up (MAIN L/R): SPEAKERS jacks A1 and A2 output the signal from...
Owner's Manual - Page 26
.... Correct grounding will ground the unit when the plug is not grounded, be sure to securely connect the EMX to this ground screw. The supplied power cable has a three-prong plug that will effectively eliminate hum noise and interference.
26
EMX512SC/EMX312SC/EMX212S
Note that comes with the mixer. A1, B1: Neutrik NL4 Speakon outputs...
Owner's Manual - Page 30
... HIGH
VOLUME 4
REMOTE
ARPEGGIO
R-AUDIO ON/OFF G-MIDI ON/OFF
EFFECT...output, you can get it is sufficient to connect speakers to the power amp. Position the unit so that the vents are located on the unit's rear panel. CD, Cassette, or DAT Recorder
Speakers
CD Player
Power Amp
Microphones
Microphones Drums
Foot Switch (YAMAHA FC5)
Monitor Speakers
Rear Panel
30
EMX512SC/EMX312SC...
Owner's Manual - Page 32
... Distortion
It measures in each CH unit.
(THD+N)
CH INPUT 1-11/12
MAIN OUT, MONITOR OUT, EFFECT OUT, REC OUT
CH 1-4 INPUT B,
Hum & Noise
CH 5/6-11/12 MIC
(20 Hz-20 kHz)
It measures in each CH unit.
Specifications
Specifications
■ General Specifications
Output
EMX512SC
Maximum Output Power SPEAKERS OUT EMX312SC
EMX212S
RL
Conditions
4 Ω
8 Ω...
Owner's Manual - Page 33
...Jack *2 RCA Pin Jack
Specifications and descriptions in every locale, please check with Nominal
SPEAKERS [A1, A2, B1, B2]
0.1 Ω
4 Ω Speakers
EMX512SC EMX312SC EMX212S
MAIN OUT [L, R]
600 Ω
10 kΩ Lines
-
Specifications
Power Consumption AC Cord Dimensions Net Weight
EMX512SC EMX312SC EMX212S Length Height Depth Width
MIN 2450
TYP 500 450 300 2500 284 264...
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