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#1
Posted to rec.audio.misc
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Need simple amp (bass/treble, balance,volume) for TV source to headphones
Hi,
I have been looking for a simple amp to take the output of a TV and drive headphones with volume, treble/bass and balance control. I tried a small unit from Radio Shack (like the RCA sa-155) but the quality of the output was terrible. Another option was a headphone amp from APT, the Xenos, but they are no longer made. I even considered something like a 'boombox' or other portable stereo, but few have the required controls. Any suggetions for something like this? Thanks --Paul |
#2
Posted to rec.audio.misc
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Need simple amp (bass/treble, balance,volume) for TV source toheadphones
Paul K wrote:
Hi, I have been looking for a simple amp to take the output of a TV and drive headphones with volume, treble/bass and balance control. I tried a small unit from Radio Shack (like the RCA sa-155) but the quality of the output was terrible. Another option was a headphone amp from APT, the Xenos, but they are no longer made. I even considered something like a 'boombox' or other portable stereo, but few have the required controls. Any suggetions for something like this? Thanks --Paul I'd do a little more experimenting with the box that you bought from the Rat Shack. What was terrible about the quality? I suspect that the output from the TV overloaded the input of whatever is that box you bought. Try it again, this time turning the TV volume control all the way down, setting the level of the adapter box to about 1/4 up from '0', and then slowly raising the TV volume. All the above assuming that you are using some sort of device which expects to see line level input; and that you are feeding it from the headphone jack of the TV.... If the TV has RCA line level outputs, try using those (using the appropriate connecting cable for the box you have). Report back.... jak |
#3
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Need simple amp (bass/treble, balance,volume) for TV source to headphones
In article , jakdedert
wrote: Paul K wrote: Hi, I have been looking for a simple amp to take the output of a TV and drive headphones with volume, treble/bass and balance control. I tried a small unit from Radio Shack (like the RCA sa-155) but the quality of the output was terrible. Another option was a headphone amp from APT, the Xenos, but they are no longer made. I even considered something like a 'boombox' or other portable stereo, but few have the required controls. Any suggetions for something like this? Thanks --Paul I'd do a little more experimenting with the box that you bought from the Rat Shack. What was terrible about the quality? I suspect that the output from the TV overloaded the input of whatever is that box you bought. Try it again, this time turning the TV volume control all the way down, setting the level of the adapter box to about 1/4 up from '0', and then slowly raising the TV volume. All the above assuming that you are using some sort of device which expects to see line level input; and that you are feeding it from the headphone jack of the TV.... If the TV has RCA line level outputs, try using those (using the appropriate connecting cable for the box you have). Report back.... jak I did use the line level RCA outputs from the TV, so it sould be clean. The sound was distorted, controls seemed defective, I guess the amp was just a bad unit. It might have been a floor unit since it was the last of that model, and they were clearing it out of the store. It was similar to the RCA SA-155, but was under the Optius label and had slightly different controls. If ti worked it would have been exactly what I wanted. --Paul |
#4
Posted to rec.audio.misc
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Need simple amp (bass/treble, balance,volume) for TV source toheadphones
Paul K wrote:
In article , jakdedert wrote: Paul K wrote: Hi, I have been looking for a simple amp to take the output of a TV and drive headphones with volume, treble/bass and balance control. I tried a small unit from Radio Shack (like the RCA sa-155) but the quality of the output was terrible. Another option was a headphone amp from APT, the Xenos, but they are no longer made. I even considered something like a 'boombox' or other portable stereo, but few have the required controls. Any suggetions for something like this? Thanks --Paul I'd do a little more experimenting with the box that you bought from the Rat Shack. What was terrible about the quality? I suspect that the output from the TV overloaded the input of whatever is that box you bought. Try it again, this time turning the TV volume control all the way down, setting the level of the adapter box to about 1/4 up from '0', and then slowly raising the TV volume. All the above assuming that you are using some sort of device which expects to see line level input; and that you are feeding it from the headphone jack of the TV.... If the TV has RCA line level outputs, try using those (using the appropriate connecting cable for the box you have). Report back.... jak I did use the line level RCA outputs from the TV, so it sould be clean. The sound was distorted, controls seemed defective, I guess the amp was just a bad unit. It might have been a floor unit since it was the last of that model, and they were clearing it out of the store. It was similar to the RCA SA-155, but was under the Optius label and had slightly different controls. If ti worked it would have been exactly what I wanted. --Paul Like this? http://cgi.ebay.com/OPTIMUS-SA-155-INTEGRATED-STEREO-AMPIFIER_W0QQitemZ320215393104QQihZ011QQcategoryZ3 9783QQssPageNameZWDVWQQrdZ1QQcmdZViewItem Which inputs did you use? I don't see any reason why it should have been distorted. Are the line level controls on the TV varied with the volume of the speaker? How did you mute that speaker? I'm still thinking you've got an issue with level matching, or perhaps you're hearing things the internal speaker doesn't reproduce, but you can hear in your headphones. For the record, come out of the line outs on the TV and plug into either the 'CD' or 'Tuner' inputs on the amp. Turn the volume on the TV to zero. Turn the amp a quarter of the way up. Slowly bring up the volume on the TV (all the preceding based on variable volume output on the TV set). If you need to mute the TV speaker(s), put a dummy plug into the headphone jack. Make one by cutting the plug off an old set of cheap headphones. Make sure none of the wires are shorted. jak |
#5
Posted to rec.audio.misc
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Need simple amp (bass/treble, balance,volume) for TV source to headphones
In article , jakdedert
wrote: Paul K wrote: In article , jakdedert wrote: Paul K wrote: Hi, I have been looking for a simple amp to take the output of a TV and drive headphones with volume, treble/bass and balance control. I tried a small unit from Radio Shack (like the RCA sa-155) but the quality of the output was terrible. Like this? http://cgi.ebay.com/OPTIMUS-SA-155-I...0QQitemZ320215 393104QQihZ011QQcategoryZ39783QQssPageNameZWDVWQQr dZ1QQcmdZViewItem Yep, that was the one. I say WAS because I failed to mention in my initial post that I returned the unit within a week of the purchase. So I cannot try your suggestions to see what the problem might have been. Which inputs did you use? I don't see any reason why it should have been distorted. Are the line level controls on the TV varied with the volume of the speaker? How did you mute that speaker? I used line out, this did not affect the speakers or was influenced by volume or mute. The TV did not have a phone jack , that would have been the ideal solution for me. I'm still thinking you've got an issue with level matching, or perhaps you're hearing things the internal speaker doesn't reproduce, but you can hear in your headphones. For the record, come out of the line outs on the TV and plug into either the 'CD' or 'Tuner' inputs on the amp. Turn the volume on the TV to zero. Turn the amp a quarter of the way up. Slowly bring up the volume on the TV (all the preceding based on variable volume output on the TV set). If you need to mute the TV speaker(s), put a dummy plug into the headphone jack. Make one by cutting the plug off an old set of cheap headphones. Make sure none of the wires are shorted. jak Thanks for your suggestions to solve the problem. Do you have any suggestions for other product ? --Paul |
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