Question about Yamaha DSP-AX1 10-Channel Amplifier

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The relay switch clicks but does not power up my yamaha emx300 pa amp/mixer.

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I have one like it in my shop

The main power transformer has gone bad

Yamaha has them in stock

Posted on Aug 17, 2010

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Posted on Jan 02, 2017

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1 Answer

Can i use powerd spekers with yamaha emx 88s


Yes. You can use powered speakers with this board

Feb 11, 2013 | Yamaha Emx88s Powered PA Mixer System

1 Answer

The speaker connected to my Yamaha EMX 312 SC is not bringing out any sound when we use the microphones but the displays on the power mix shows there is activity.


Assuming that you have checked the speaker leads for broken connections and that you know the speakers themselves work okay (test with a different amp) and that you can hear sound on the headphone socket
  1. Check that you actually have the power amp switch in the right position for the outputs (monitor jacks or main neutrik/speakon sockets) that you are using (see page 25 of the manual)
  2. That your speakers are connected to the speaker outlets on the rear panel and not the 'main outputs' on the front panel, which are for use with a separate power amplifier
  3. Check the mute button is not in
  4. You have turned both the master volume controls up.
If none of the above solves the problem it is likely that the overload protection fuses on the amplifier output stage have blown and need replacing - take to a repairer
You can find the user's manual here
http://www2.yamaha.co.jp/manual/pdf/pa/english/mixers/emx512sc_en_om_d0.pdf



Feb 10, 2011 | Yamaha Emx312sc 12 Channel Stereo Powered...

1 Answer

How to connect microphone to Yamaha RX-V365 as a PA system.


Home-theatre receivers don't have microphone inputs. If you want to use the receiver as an amplifier in PA system, you need to use some kind of mic pre-amp or a mixer with mic inputs.
For PA mixer is needed anyway almost every time and all mixers have at least one mic input (with a pre-amp). Mixers have line-level output(s), which you can connect to the analog input of receiver.
Using receiver as an amp in PA has advantage that you have 5 channel amp. When using high sensitive PA speakers (as oposed to less sensitive Hi-fi home speakers), you can get good performance with the power rating of receiver. You could even use 2 separate channels for subwoofers and 2 channels for satelite speakers - but for that you would need a receiver with 5.1 analog inputs and special device called crossover which would divide the output from mixer into low-frequency signal and high-frequency signal which you would then connect to the front and rear analog inputs. But with RX-V365 you can use only 2 channels with analog input

Sep 15, 2010 | Yamaha Rx-v365 A/V Home Theater Receiver

2 Answers

Can this all be hooked up?


There was never anything mentioned about the 18 yamaha sub in the hook up process

Aug 17, 2009 | Crown CE1000 2-Channel Amplifier

2 Answers

Connecting two powered mixers


Hi, If you have small electronics knowledge this might help you. First fine in each mixer the amplifiers line In if your mixer has two amplifiers then you have four line In. Disconnect this line from your mixer and build a circuit Line out multiflier. You can use op amp for this application this is a simple circuit. You made two input and four outputs. If you are interested i can send you a schematic diagram.

Aug 10, 2009 | Audio Players & Recorders

1 Answer

Need help with an emx300 mixer/ amp, burnt


Well I can tell it's 1, 0, something at 5%. However that 3rd band is the multiplier so It could be anything 1 ohm to 1 megaohm. The only way to find out is with a circuit diagram. Try having another look around the board, sometimes the same type of resistor is used in another place.
If you can't find one and can't get hold of the diagram try a 1k or a 10k or a 100k resistor etc. One might work!

Jul 28, 2009 | Audio Players & Recorders

1 Answer

How to connect PA mixer with built-in amp to feedbk dstryr unit?


The feedback unit should be connected between the pre-amp section and the power amp section. As you descrubed the ST-out and P.Amp IN are the ones to use.

Dan

Jan 22, 2009 | Audio Players & Recorders

3 Answers

Yamaha emx88s powered pa mixer


Make sure your speakers are not the "shielded" type ( aka guitar microphone cable ). Alot of people think there is no difference between a guitar cable and a speaker cable. The speaker cables should be at least 14 gauge with good soldered connections and NOT SHIELDED!

Jul 05, 2008 | Yamaha Emx88s Powered PA Mixer System

2 Answers

Emx88s powered mixer


Try shutting the limiter switch off

Mar 24, 2008 | Yamaha Emx88s Powered PA Mixer System

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