Question about RCA RS2656 Shelf System

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No sound from mids and bass

The only sound that comes out is through the tweeters. I checked the connections and all of the speakers work when connected to the tweeter outputs. There is no signoals through the mids or bass outputs

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  • Anonymous Mar 14, 2008

    had ipod pluged into 360 going through aux turned up 360 volume and pop system off there are two fuses inside that blew but they will keep blowing! somthing with the aux!!!!!!

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There is prolly just a short in the wire somewhere

Posted on Jan 14, 2008

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Sony mhc gt444


http://www.sony.co.uk/support/en/content/cnt-specs/MHC-GT444/list

According to this there is no midrange unit! So you don't need to open it. If the sound is coming from the tweeter and bass it's OK.

Aug 20, 2014 | Audio Players & Recorders

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Why is there four plugs on the back of speakers?


With four plug you will have a jumper from on plug to the other. (e.g. Positive to positive and negative to negative.) This is for single connection (two wires.) If you use two connections (four wires) you take out the jumpers. the bottom pair is normally for the bass and the top for treble. This is to make the speakers clearer, and sound better. As for louder,? I don't know some people think it does some don't. With better clarity of sound, you do get the feeling of it being louder.

Apr 27, 2012 | Audio Players & Recorders

1 Answer

No sound from tweeter bx5a


First of all, never connect the audio from your receiver directly to the tweeter. You can blow the tweeter instantly. The mid-bass driver can be damaged from a direct connection as well.

Since you get absolutely no sound from either driver, this seems to implicate the crossover. If the crossover has opened, no signal gets through, if it has opened early in the signal path.

But, it is also possible that a short exists, and that perhaps your amp cuts off the output having sensed a short. The short could be in the crossover or one of the drivers.

Here are some troubleshooting tips--

To prevent damage to your amp, turn it off while making or breaking any connections inside the speaker boxes.

Write down which wires get connected to which place on the drivers, so you can get them back where they belong.

With your amp turned off, connect the bad speaker to your amp. You've already verified that no sound is produced when both drivers are connected.

So, with your amp off, disconnect one wire from the tweeter in the bad box.

Briefly turn your amp on and listen for sound.

If you get sound, the tweeter is shorted.

If you get no sound, with the amp off, reconnect the tweeter in the bad box and disconnect one wire from the mid-bass driver.

Briefly turn the amp on and listen before turning the amp off.

If you get sound now, but not before, the mid-bass driver is shorted.

If you got no sound either way, check the DC resistance of the mid-bass driver (only, not the tweeter. Ohmmeters put out a small DC voltage to test resistance. That DC voltage might damage a tweeter, maybe. Don't risk it). Ohm the mid-bass driver while it is not connected to the crossover. If the driver is good, you should read some ohms--a little less than the stated impedance. An 8 ohm driver might read 6.5 ohms, for instance. If you get an open or a short (with the crossover disconnected from the mid-bass driver) you have a blown driver. Two actually, since neither the tweeter nor the mid-bass driver produced any sound in the previous tests.

If you can't get ahold of an ohmmeter, try this--

Open the good, working speaker and place the two side by side.

Connect your amp to the bad speaker box only.

With your amp turned off, disconnect the wires from the mid-bass driver in the bad box and connect them to the mid-bass driver in the good box. Disconnect one of the wires from the "good" mid-bass driver first, so you don't have two crossovers connected to it at the same time--even if only one of them will get powered on. It keeps the confusion down to a minimum when trying to isolate your problem. Oh, and disconnect one wire from the bad tweeter, in case it is shorted.

Turn the amp on and listen briefly before turning the amp off.

If you got sound, the "bad" crossover is fine, but the "bad" mid-bass driver is blown. And, since you got no sound in the previous tests, the "bad" tweeter is blown, as well.

If you got no sound, try it the other way around. Meaning--

With the amp off, disconnect the speaker wires coming from your amp from the bad speaker box and connect them to the good speaker box.

Your amp is now connected only to the good speaker box.

With the amp still off, connect the mid-bass wires from the good box to the mid-bass driver in the bad box. Remember to disconnect one of the "bad" crossover wires from its own driver first, so only one crossover is connected to the "bad" mid-midbass driver. Remember to disconnect one wire from the "good" and "bad" tweeters, so the only sound you hear--if any--is from the "bad" mid-bass driver, powered by the "good" crossover.

If this produces sound, but the previous attempts failed, you have a crossover problem.

If you still get no sound, something went wrong and you need to retest the good speaker by itself and back up a few steps and try again.

Assuming you got sound from the "good" crossover while it was driving your "bad" mid-bass, make sure no wires have come loose inside the "bad" box. Assuming you have sound connections at each end of each wire, you now need to desolder the electrolytic capacitors from the circuit board.

Make sure you mark them first, so you can put them back where they belong.

You can remove only one at a time, if that helps.

Use an ohmmeter to check some components.

The big red coil should read pretty close to a short, maybe one ohm.

The capacitors should read open or infinite resistance, although you might see a steadily increasing resistance while the capacitor charges up from the ohmmeter. If you read a steady low resistance on a capacitor after it has been removed from the circuit board, that capacitor is bad and must be replaced. The markings on the capacitor should give you some clues as to the proper replacement.

All things considered, I suspect that your problem is a shorted electrolytic capacitor. But, I gave you all I could think of so you can narrow it down and isolate the problem, whatever it might be.

I hope this helps.

Feb 23, 2011 | M-Audio BX5a Speaker

1 Answer

Only bass driver working on the pair. tweeter and mid range cones not working.


hi,
check the tweeter and mid range. its coil may become faulty.
for checking the speakers carefully remove the speakers one by one, remove its connections.
and check the speakers with a AAA cell. is it producing cracking sound. if not the speakers coils are burned.
ok

Feb 01, 2011 | Mission 782 Main / Stereo Speaker

1 Answer

Can't get wharfedale melton 2 tweeter to work. Looked inside cabinet and need advice on internal wiring please. These are very old but one works perfectly and the 12'' bass driver on the problem speaker is...


The tweeter has burned out and cannot be salvaged. I also own a pair of (ex) Melton 2s. In the beginning Wharfedale were good at supplying spares (see www.wharfedale.co.uk for contact info and advice). A few years ago after my cat destroyed the 12 inch unit in one, i invested in new insides, including state of the art 12 inch woofers, 4 inch mid range and 1inch tweeters with a good 3 way crossover. The cabinet is great so consider asking a techie friend to do this for you. Please don't just cut out and connect to amp speaker wires! You will get terrible sound and risk ruining both amp and speakers! Best regards Karl (karl@simpson.nom.fr)

May 12, 2010 | Audio Players & Recorders

1 Answer

Sound quality bad i can hear bass but really no treble or mids


Could be that those speaker components (mid-range spkr., tweeter) are blown. Try hooking up a similar type speaker and see what happens.

Apr 12, 2010 | Aiwa XR-M55 Shelf System

1 Answer

How to take the speaker apart to repair or replace tweeter


Take off/unscrew the upper bass/mid , insert your hand and gently twist the tweeter magnet assembly anti-clockwise about a quarter of a turn, and remove thru upper bass hole Peter Speakerworks.com.au

Mar 17, 2010 | Audio Players & Recorders

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The sterero has no bass and the front speakers have no sound.


THE FRONT DOOR SPEAKERS AND THE BASS SPEAKERS ARE BRIDGED IN THE AMPLIFIER. I WOULD START THERE.

May 21, 2009 | 2005 Pontiac G6

1 Answer

Tweeters & Midrange Speakers


If you have a Ohm Meter, check the resistance to the speakers. If it is very high, the speakers are burned, (or the crossover is (just capacitors, and resisters...cheap)). If it is close to 4 ohms check the wiring and connectors..to and at the speakers, most likly the receiver/amp is not blown.

Apr 20, 2008 | KLH 1230SB Main / Stereo Speaker

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