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Need voltage and polarity info for terc 9330 fm powered antenna(r

I found a terc amplified fm antenna sold by radio shack but it doesn'thave the power adapter with it: i need to know what the power(wall wart) voltage and polarity are?terc 9330 tower fm antennathanks richard

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SOURCE: can't find the voltage specs

Product Specs: General: Product Type Radio antenna Recommended Use Indoor Width 3 in Depth 16.9 in Height 3.5 in Color Black Localization English Antenna: Wave Band AM, FM / FM: 87.5 - 108 MHz, 540 - 1700 kHz Impedance 75 Ohm Gain Level 42 dB Amplifier Built-in Included Accessories Connector coupler, impedance transformer Connections: Connector Type 1 x FM antenna ¦ 1 x AM antenna Power: Power Device Power adapter - external Manufacturer Warranty: Service & Support 1 year warranty Service & Support Details Limited warranty - 1 yearlet me know how this works out for u

Posted on Jan 31, 2009

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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

Fix wind noise in speaker of my garrard 3006 mk 2 vintage record player,?


My question is, do you hear music when you play a record, or is only "wind" coming out of the speakers?
The player was build in 1964 with Germanium transistors. These transistors are known for their noise level. But in those days nobody noticed this, because all transistor amplifies had noise.

If there is no sound at all, only noise, it can't be that difficult to repair the amplifier. There must be some schematics around on the net. Be aware you need a Xtal PU element and it won't be easy to get one of these.
I found an interesting page on the net. It is a pity the schematic is not 100% clear.
3006 Mk Player Ferguson Radio Corporation Ltd London

Jan 14, 2015 | Audio Players & Recorders

1 Answer

I have a matsui MCH 750 mini hi-fi,i am having problems with the FM radio channels,sometimes or most of the time i get what seems like the channels are not tuned in properly or the aeriel is not good


If you're sure the FM signal strength at your area is good, the fault is with its AFT [Automatic Fine Tuning] system circuit inside the device. Contact any service technician to get it repaired. This is not a user repairable fault. http://electronicshelponline.blogspot.com/

Nov 01, 2014 | Audio Players & Recorders

1 Answer

DAB radio will not work on 18v 3.0Ah battery but works on power lead. any suggestion please


I would open it up and look for a broken wire in the battery circuit, you could have a fuse in that circuit also.

Aug 30, 2014 | Audio Players & Recorders

1 Answer

Www eonon com


Some auto stores and Radio Shack have an antennae booster that plugs in between the antennae wire and your radio. It powers from the fuse block.

Aug 30, 2014 | Audio Players & Recorders

2 Answers

Connect an active soundbar to a receiver


What if the soundbar is Bluetooth? Will I still be able to use that function and connect the active soundbar to the tv (Bluetooth) and connect the av receiver for other surround sound speakers? (they are pre-wired in the walls in the apartment I moved into)

Jan 08, 2013 | Audio Players & Recorders

1 Answer

It wont turn on, it shows 'push power protect' when you turn it on, or disconnect it and reconnect, i already attempted to disconnect the Sony Stereo MCH-EC909iP Mini Hi-Fi and it shows 'Push Power, P


The only thing I can think of is its goin into protection mode like an amplifier would, you maxed the volume out and it's protecting your speakers or you don't have the right voltage going to it, I can see you don't have it on a straight 120v plug and you might have the wiring wrong on the speakers to it might be too low of a ohm or too high

Nov 22, 2012 | Audio Players & Recorders

1 Answer

I have a 1970's Panasonic Flip Clock Radio. (Model RC6530) The radio works just fine, but the flp clock stopped flipping. There is power going to the unit. I can also hear a low hum from the flip...


It looks like your problem might be an easy fix, at least. If the gear train between the motor and clock got stripped, you'd be in a bit more trouble. If the motor just isn't spinning, remove it from the side of the clock housing. There are 2 screws (or nuts) holding it in place. When you get it off, the cover for the motor will also be off. Apply some 3 in 1 oil, or perhaps just a tiny bit of penetrating oil, and give it a spin. From what I've read, it should do just fine. A lot of people use wd40, but I understand that can gum up over time.

This is a "at your own risk" type of repair, but as long as you unplug it before dismantling the radio, I think you'll be fine.

Feb 10, 2012 | Audio Players & Recorders

2 Answers

My ipod is just playing without the sound carrying through to the speakers. I dont know how to make it work?


Verify there is nothing plugged into the headset port, including headsets, headphones, or adapters.
Original iPhone only: While on the Home screen, adjust the volume buttons. If you see the icon below, indicating that headphones are attached, there may be debris in the headset port:



To remove debris in the headset port, try connecting a pair of headphones to the headset port and then remove the headphones. Repeat this several times.
If you have paired with a Bluetooth headset that is nearby, either use the headset or turn Bluetooth off (choose Settings > General > Bluetooth).
If that doesn't work, try restarting the iPhone. Hold the Sleep/Wake button until "slide to power off" appears. Slide to power off your device. When it is off, press the Sleep/Wake button to turn it back on.
If restarting the iPhone doesn't resolve the issue, try restoring the device.

May 28, 2011 | Audio Players & Recorders

7 Answers

A/C Adapter Noise and Interference


I just got my radio and home kit today, the hi pitched noise is awful so I looked online and found you.  I finally hooked the car adapter into a wall plug adapter and volla- NO NOISE!  Whew. It's a $9 adapter I got for my ipod car adapter....just has a hole to plug in the car adapter and you plug it into the wall.  
...good luck

Feb 24, 2007 | Delphi Roady XT XM Radio Receiver

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