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The soft hiss that you are hearing from both speakers of your Sherwood RD-6505 may be caused by a few different factors:
Ground loop: A ground loop occurs when there are two or more devices connected to a common ground, causing a voltage difference between the grounds. This voltage difference can create interference, resulting in a hissing sound.
Faulty cable or connection: Check all of the connections and cables between your audio source and the Sherwood RD-6505. Make sure that they are plugged in securely and that the cables are in good condition. A faulty cable or connection can create interference and result in a hissing sound.
Amplifier issue: The hissing sound may also be caused by an issue with the amplifier circuitry in the Sherwood RD-6505. If this is the case, you may need to take the device to a professional for repair.
Power issue: If the power supply of the Sherwood RD-6505 is unstable, it can also result in a hissing sound. Check the power supply and ensure that it is providing the appropriate voltage.
If you have checked all of these potential causes and are still experiencing the hissing sound, it may be best to contact a professional for further diagnosis and repair.
Hello
A hissing sound indicates the speaker amplifier has no input from the computer sound card, check to make sure the speakers are hooked up to the correct port for audio out to the speaker input, the Audio output to the speaker is the GREEN mini RCA jack on the back of the computer.
Page 38 of the manual describes tuner operation. FM hiss usually indicates a weak FM signal or it's not tuned precisely. If the "ST" indicator is blinking and you select Mono does it get any better?
A 75-ohm FM antenna oriented horizontally will help bring in a stronger signal (page 29 and 73).
Hook a graphic equalizer between the piano and speakers, and turn down all sliders above 8 kHz. Since the highest note of a piano is 4186 Hz (4.186 kHz), you'll still hear all the notes but cut the hiss. If the hiss is coming from the speaker's power amplifier (in which case the equalizer won't help), turn down the speaker volume and turn up the piano volume. Live instruments generally need some doctoring to sound good through high-quality stereo equipment, as they only produce a limited range of frequencies whereas good speakers reproduce a lot more - including hiss.
I have the Sony Bravia KDL-46S4100. The high-picthed hiss drives me insane. I have a work around but not a fix. Go into your TV's menu and find BACKLIGHT. Adjust it from 1-9 with the house quiet and find what frequency of the hiss is the least annoying.
Sony Bravia high pitch hiss hissing sound high frequency
Hissing sound caused by input section RCA cables defected grounding maybe loosed or the RCA cables are defected already replaced it with new RCA cables so hissing sound is gone.
I had the same problem for the longest time with my set of Logitech 540 5.1 speakers. Turns out the solution was pretty simple. All I did was open the Master Volume controller and mute the Microphone. Hissing went to zero. Sound is great now.
Hi Nate41
you won't do anithyng
may be is a bad resistor inside, that get hot and probably start to do this problem. try disconecting the speakers, and move to other place, more cooler, and try to see if you don't get the hissing and humming sound now. sometimes dust and hot places get to this problem.
beside that, may be a path to a problem.
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