need to convert from MIC level to LINE-INPUT level
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Posted by wylbur37 on May 18, 2007, 4:47 am
Please log in for more thread options Most portable cassette tape recorders have a MIC jack where you can plug in a simple microphone. Hpwever, some recording devices only have a LINE-INPUT jack (a.k.a. AUXILLARY INPUT jack). What I need is a little gizmo (essentially a pre-amplifier, I guess) that I can plug the microphone into and which in turn plugs into the LINE-INPUT jack. I'm not in a position right now to build one from scratch, so I need to either (a) buy one ready made or (b) buy one in kit form that I can assemble myself. Any recommendations on mail-order places that sell this? ... | ||||||||||||||||
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Posted by Chris on May 18, 2007, 5:23 am
Please log in for more thread options Hi, Wylbur. A preamp is exactly what you need. If you just want a good bare bones preamp circuit board kit, and you have a regulated 10-30VDC voltage source available, you could do worse than the Velleman K1803 preamp kit available from Jameco for $8.95. http://www.vellemanusa.com/us/enu/product/view/?id=350480 http://www.jameco.com If you're looking for something with an enclosure, you could try the Elenco K-46 Stereo Preamp for $19.95. You can find a distributor at their website: http://www.elenco.com/ Remember to avoid using a low quality power supply with preamps. Get a regulated linear supply. Good luck Chris | ||||||||||||||||
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Posted by wylbur37 on May 18, 2007, 7:38 am
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> Hi, Wylbur. A preamp is exactly what you need. If you just want a
> good bare bones preamp circuit board kit, and you have a regulated > 10-30VDC voltage source available, you could do worse than the > Velleman K1803 preamp kit available from Jameco for $8.95. My apologies for forgetting to mention that the unit I'm looking for should also be compact (i.e., fits in a shirt pocket), and runs on either penlight or 9-volt batteries so you can take it on the road. ... | ||||||||||||||||
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Posted by Rev. 11D Meow! on May 18, 2007, 11:06 am
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>> Hi, Wylbur. A preamp is exactly what you need. If you just want a
>> good bare bones preamp circuit board kit, and you have a regulated >> 10-30VDC voltage source available, you could do worse than the >> Velleman K1803 preamp kit available from Jameco for $8.95. >
> My apologies for forgetting to mention that the unit I'm looking for > should also be compact (i.e., fits in a shirt pocket), and runs on > either penlight or 9-volt batteries so you can take it on the road. > The ONLY compact portable mic pre-amp to buy. http://www.sonicstudios.com/access.htm#micamp | ||||||||||||||||
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Posted by Jon Slaughter on May 18, 2007, 12:28 pm
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>
>>> Hi, Wylbur. A preamp is exactly what you need. If you just want a
>>> good bare bones preamp circuit board kit, and you have a regulated >>> 10-30VDC voltage source available, you could do worse than the >>> Velleman K1803 preamp kit available from Jameco for $8.95. >>
>> My apologies for forgetting to mention that the unit I'm looking for >> should also be compact (i.e., fits in a shirt pocket), and runs on >> either penlight or 9-volt batteries so you can take it on the road. >> >
> The ONLY compact portable mic pre-amp to buy. > http://www.sonicstudios.com/access.htm#micamp > > You have got to be kidding? 1000$ for about 20$ in electronic parts and maybe another 20-30 in manufacturing? That site is about the biggest scam site I have seen in a while. MAybe they meant yen instead of USD? | ||||||||||||||||
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> plug in a simple microphone.
>
> Hpwever, some recording devices only have a LINE-INPUT jack (a.k.a.
> AUXILLARY INPUT jack).
>
> What I need is a little gizmo (essentially a pre-amplifier, I guess)
> that I can plug the microphone into and which in turn plugs into the
> LINE-INPUT jack.
>
> I'm not in a position right now to build one from scratch, so I need
> to either (a) buy one ready made or (b) buy one in kit form that I can
> assemble myself.
>
> Any recommendations on mail-order places that sell this?
>
> ...