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#1
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It shouldn't happen so long as you're listening at normal volume
levels, though the user's manual does state that you can expect some vibration to occur if you turn the volume up high. The solution is to get a decent external speaker. You ought to use an external speaker anyway. Only an external speaker will do justice to the high quality audio produced by the 150. Steve |
#2
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Hi Steve
I don't think the problem is feedback vibration from the speaker. I have listen even in headphones and then the speaker is quite.It is when I turn the tuning knob I can hear a rassle sound even in the headphones. /Lars skrev i meddelandet ups.com... It shouldn't happen so long as you're listening at normal volume levels, though the user's manual does state that you can expect some vibration to occur if you turn the volume up high. The solution is to get a decent external speaker. You ought to use an external speaker anyway. Only an external speaker will do justice to the high quality audio produced by the 150. Steve |
#3
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"Lars Brandt" wrote in message ... Hi Steve I don't think the problem is feedback vibration from the speaker. I have listen even in headphones and then the speaker is quite.It is when I turn the tuning knob I can hear a rassle sound even in the headphones. Are you using an external antenna with a decent RF ground? Not unusual to hear encoder noise when using the atached whip and internal preamp. Grounding the RX will eliminate this. Dale W4OP |
#4
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Could it be it only needs cleaning with some tuner cleaner fluid?
cuhulin |
#5
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I didn't realize that this could happen under these conditions. I use a
Radio Shack loop antenna and it works ok on the MW band, but maybe the antenna noise overrides this phenonemom. Pete "Dale Parfitt" wrote in message news:2cs%d.6013$uw6.1020@trnddc06... "Lars Brandt" wrote in message ... Hi Steve I don't think the problem is feedback vibration from the speaker. I have listen even in headphones and then the speaker is quite.It is when I turn the tuning knob I can hear a rassle sound even in the headphones. Are you using an external antenna with a decent RF ground? Not unusual to hear encoder noise when using the atached whip and internal preamp. Grounding the RX will eliminate this. Dale W4OP |
#6
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No I use a whip antenna and no ground connection.
Is it neccesary to connect RX to ground? I have no good ground connection in my flat. So it is normal with noise from the tuning knob if I don't have connetion to ground? //Lars "Dale Parfitt" skrev i meddelandet news:2cs%d.6013$uw6.1020@trnddc06... "Lars Brandt" wrote in message ... Hi Steve I don't think the problem is feedback vibration from the speaker. I have listen even in headphones and then the speaker is quite.It is when I turn the tuning knob I can hear a rassle sound even in the headphones. Are you using an external antenna with a decent RF ground? Not unusual to hear encoder noise when using the atached whip and internal preamp. Grounding the RX will eliminate this. Dale W4OP |
#7
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Some of my old radios make a raspy.skritticy noise when I tune the dial
knob and or the on/off/volume control knob.Sometimes I squirt a little dab of tuner cleaner stuff (or even WD-40) from a spray can and the noise stops for a while.I don't know that much,but I do not believe it is normal for any radios to make any noises that are abnormal when tuning the dial knobs or the on/off/volume control knobs.I could be mistaken though.I do definetly know WD-40 works great for my old arthritis fingers. cuhulin |
#8
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The balanced mixer module acts as a microphone.
On Mon, 21 Mar 2005 17:59:18 GMT, "Lars Brandt" wrote: No I use a whip antenna and no ground connection. Is it neccesary to connect RX to ground? I have no good ground connection in my flat. So it is normal with noise from the tuning knob if I don't have connetion to ground? //Lars "Dale Parfitt" skrev i meddelandet news:2cs%d.6013$uw6.1020@trnddc06... "Lars Brandt" wrote in message ... Hi Steve I don't think the problem is feedback vibration from the speaker. I have listen even in headphones and then the speaker is quite.It is when I turn the tuning knob I can hear a rassle sound even in the headphones. Are you using an external antenna with a decent RF ground? Not unusual to hear encoder noise when using the atached whip and internal preamp. Grounding the RX will eliminate this. Dale W4OP |
#9
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Thank you everybody for all tips. I think its ok now.I found a screw behind
the tuning knob on the front. When I removed the screw, there was no noise anymore. Another question, how can I get loose the potentiometer knob? I think it is glued. //Lars "David" skrev i meddelandet ... The balanced mixer module acts as a microphone. On Mon, 21 Mar 2005 17:59:18 GMT, "Lars Brandt" wrote: No I use a whip antenna and no ground connection. Is it neccesary to connect RX to ground? I have no good ground connection in my flat. So it is normal with noise from the tuning knob if I don't have connetion to ground? //Lars "Dale Parfitt" skrev i meddelandet news:2cs%d.6013$uw6.1020@trnddc06... "Lars Brandt" wrote in message ... Hi Steve I don't think the problem is feedback vibration from the speaker. I have listen even in headphones and then the speaker is quite.It is when I turn the tuning knob I can hear a rassle sound even in the headphones. Are you using an external antenna with a decent RF ground? Not unusual to hear encoder noise when using the atached whip and internal preamp. Grounding the RX will eliminate this. Dale W4OP |
#10
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The potentionmeter knob might have a tiny little set screw that holds it
onto the shaft. cuhulin |
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