Question about Infinity Entra Sub Subwoofer

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Infinity Entra Sub 150 no sound or power

My Infinity Entra Subwoofer 150 no longer produces any sound and the green LED between the phase switch and the crossover knob appears to be out..Is the sub dead? Is it cheaper to have the amp replaced on it or just go buy a new one??

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I had the same problem. When I opened it up, the fuse was blown, and it was a pain to find the fuse it needs (3 Amp, 250 V slow-blow fuse, 5x20 mm). Also, the 2 large electrolytics (big purple things near the amp) and one small capacitor were all blown. For 4 fuses, bought seperately from, and the 2 electrolytics and 1 capacitor, it cost about $20, plus almost 20 more in shipping, which still isnt bad considering the original price of the sub. However, the tricky part is that you have to know how to use a soldering iron to take out the old components and put in the new ones.

Posted on Mar 23, 2009

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Posted on Jan 02, 2017

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Want to use my current speakers with a new surround sound system. Current system is 5.1 channels, rated at 100w per channel @ 8. Ohms. New System is rated 145watts, 5.2 channels at 6 Ohms. Will b ok?


Hi Ronald.
8 Ohm speakers will work just fine as replacements for the
6 ohm speakers. When fitting speakers you need to consider
The power handling capability. The impedance and the frequencies
involved. Power handling is expressed in wattage ie 100W.
Unfortunately this can be expressed in rms, max or peak music. The rms value (root mean square) is the only really relevant figure as this is the continuose handling power at 1 KHz. The impedance
is the resistance that the amp sees but is not a dc resistance and
varies with frequency. The lower the impedance the more power
will be drawn from the amp. In the event of a short circuit across
the speaker the amp will try to deliver infinite power into an infinitly
small load in an infinitesimal amount of time and will self destruct.
Using an 8 Ohm speaker draws less power than a 6 Ohm speaker.
Connecting speakers in parallel; results in the impedance beingreduced. For example two 8 Ohm speakers in parallel will result
in a 4 Ohm impedance load but in series will be 16 Ohms.
Incidentally the the .1 (5.1) is the sub woofer which only has
to handle the bass frequencies, a small percentage of the
amplifiers overall frequency response..
Connect your speakers and then power up the amp last
after double checking there are no shorts on the speaker
cables.
All the very best from Vintie.





Jan 07, 2017 | Audio Players & Recorders

1 Answer

Psw110 polk subwoofer, making a thumping noise, even if you unplug it from the subwoofer not the power source


Have you tried resetting the unit to factory settings?

ELECTREPAIRUSA@ELECTREPAIRUSA or you can contact us at that address as we repair/renovate all items electronic and electrical old and new.

Jan 06, 2017 | The Audio Players & Recorders

1 Answer

I have a m4500 creative speaker the problem is the volume switch when i turn it on the green light is on and when i increasing the volume the become dimmer until its off and no sound,what is cause?


It sounds like the output IC (the amplifer) has a problem.This needs to be replaced.
ELECTREPAIRUSA@ELECTREPAIRUSA or you can contact us at that address as we repair/renovate all items electronic and electrical old and new.

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1 Answer

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what do you have it plugged-into for power ? it uses the 8-pin Apple Lightning dock connector. If you are using a USB adapter for that, then be aware that a USB-port will only let you draw 500mA or 1/2 an Amp of power....more than that will cause failures and damage to the USB port and the Hub even.

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1 Answer

How to connect speakers logitech z 5500 to the TV Samsung UN32F5500 32-Inch 1080p 60Hz Slim Smart LED


Hello there!
I have seen manuals of both the systems. You have two options to connect Logitech z5500 speakers to Samsung UN32F5500 TV.
1. With Optical Audio Cable.

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2. Stereo Ear Phone Connection.
Simply plug in Green earphone cable of Logitech Speakers to Green Audio out Jack described on Page 7 of the TV manual. If you are using stereo EP you may not experience 5.1sound separation. And it is also mentioned that you should not use other two audio cables of the tri-EP-cable provided with Logitech speakers.

Have a nice day!

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1 Answer

I'm trying to locate a conversion plug, the subwoofer is a JVC powered sub . The connecter number is xv - thm 505. Next numbers are xv- thm 606 I need a female RCA to the sub 8 pin mini din W


not sure where you are based, but have you tried maplins electronics store? They tend to carry a large stock of lpugs and cables, plus they do seem to deal with audio equipment. Good luck.

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1 Answer

Wailing sound when 1971 seeburg juke box is started


I amnot very familiar with Seeburgs but the trip switch activates at the end of the record playing and THAT mutes the amp. The amp should also be muted until the tone arm lands on the record. So I would suggest the problem is in the amp.

May 05, 2009 | Audio Players & Recorders

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