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I recently purchased a pa system- however I don't seem to be getting any sound from my speakers. the details of the amp. biema amplifier w series in the manual there are two speaken output socket which have been locked. is this where the speakers sockets go if so how do I unlock this?

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Re: I recently purchased a pa system- however I don't...


Yup, you need to connect to the output sockets. Where are they connected now?


Posted on Jan 19, 2008

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I have Onkyo TX-NR709 is it possible for me to use my BOSE 809 series 3 as my front speakers, I have PA Behringer EPX2800 can I connect all these?

Hello, You can use all three of these together. You could use the front (red and white) preout on the back of the 709 which will connect into the red and white input on the amplifier. Then you will connect the Bose speakers to the amplifier. Thanks, FJD

Mar 05, 2016 | Onkyo Audio & Video Receivers

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Biema w220ii amplifier for a pa system, the protect light on the amp has come on and the amp will not work any more. how can this be fixed?

Generally speaking, an amp attempts to protect itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on.

Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.

You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.

If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.

If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.

Check for loose speaker connections at the speaker as another possible root cause forintermittent shutdown.

Jul 11, 2011 | Audio & Video Receivers

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How do I turn tape monitoring on my Denon AVR 3803 on/off? I recently purchased a set of Series V Bose 901's and I am having a difficult time figuring out how to activate the equalizer.

Short answer from personal experience.

There is no way around this part. Get a separate power amp for the 901's if you want to use them in a multichannel way or alongside non-901 speakers.

Connect the Active EQ between the pre-outs and the amp input. Run speaker assignment, levels, etc and have fun.

Oh, but you don't have pre-outs. Bummer. Most AVR's will NOT pass digital sources to analog tape outs. Page 40 of the manual confirms that.

no can do. sorry. You need Pre-Outs to feed an external amp.

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I am trying to hook up a Sony PS-LX250H to a Pioneer Receiver VSX-D412 I can't get any thing to work. They both come on, so I know that I have them hooked up incorrectly. I am an old woman, so if an...

Hi there,

this should be fairly straight forward so here we go.

Firstly, do you have your speakers connected properly? If you get sound from anything else plugged into your amplifier, then all is good here.
If you have not used the amp ever before then I will try to explain all.

You should have at least 2 speakers attached to the amplifier. Each speaker has 2 wires (1 positive, red or + and one negative, black or -) Have a look on the back of the amplifier and you should have e series of connections for the speakers, these are also marked in the same way as the amp. the connections will be marked as;
FR - Front right FL - Front left RR - Rear right RL - Rear left C - Centre
Fairly easy so far. If you are just listening to music then unless you want surround effects then 2 speakers will do.
Now to the record player. Again should be fairly easy, you should have a twin cable with red and white plugs on the end and there may also be a thinner wire maybe with a small metal horseshoe on the end. On the rear of the amplifier, look for sockets marked phono. The right and white twin wire plugs in here. As for the thin wire, there should be a thumbscrew on the back of the amplifier, unscrew this and attach the thin wire here.
Now when it is all switched on and you select phono on the amp you should have sound
hope this helps

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I'm considering buying the 180636 "surround sound bar speaker system." My question is, is this JUST a speaker system, which needs to be connected to a separate amplifier or "home theater...

The bar speaker system needs to be connected to an amplifier. What the bar speaker does is replicate a five speaker home theater system using just an amplifier.

The only thing that will give you a better sound quality is some type of amplifier/speaker set-up, wether you choose to have an amp and two speakers or and amp with five speakers and a subwoofer is up to you.

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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

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1 Answer

Onkyo tx-sr601 bi wire with zone 2

The idea behind bi-wiring speakers is to get the highest quality of sound by getting the sound from two separate sources doing separate jobs. Lower frequencies are harder for an amplifier to produce than higher frequencies. So it is common to give these frequencies to two different amplifiers so each can produce the highest quality of sound. By removing the low end from the top end amplifier, it provides the top end amp more headroom thus reducing the chances of clipping. Clipping can easily be heard from the tweeters destoying not only the sound but your speakers as well. It is common practice in pro and car audio to use separate amps for subbass, low, mid and high; four amps working together to their corresponding drivers (more or less depending on the system and type of audio being produced).

In your case, getting the two different sources from basically the same amp (power supply), would not accomplish the full intent of bi-wiring; it would just make more wiring for the same end result. However still a good thought on your end. Onkyo receivers are great because of their beefy power supplies. Not very many other brands have such strong power supplies. Denon's are close but not equal.

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I have a Bose Accumass 6 system connected to an Onkyo amp running as a entertainment system on our boat. The quality is sufficient for what we need. The amp (a TX-DX575) has A&B speaker switches for a...

two 8 ohm speakers in parallel is 4 ohms.
if series 16 ohms.a high resistance will just produce less power.
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MPA-101 Amplifier powers on, receives source signal, the fuse is not blown inside, but no sound comes out of the amplifier. The amp is pretty new, doesn't even have dust inside the unit.

Hello, is this a Radio Shack PA amp or Jamo amp? The unit is probably in "Protect" mode. Is this a PA system or a receiver...receivers have a protection circuit that will not let the speaker relay activate if the amplifier output section is shorted and sending voltage towards the they won't fry!!The speaker relay should activate within 3 to 5 seconds if your output section is ok.


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1 Answer

Marantz Sr8500

Check the speakers impedance. it should be greater then 6ohm otherwise you overload the system. Also, if the speaker sytem is rated (in Watts) below the amplifier's power it overloads the amp at higher volumes.

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