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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
Posted to sci.electronics.equipment,sci.electronics.basics,sci.electronics.repair,sci.electronics.misc
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need to convert from MIC level to LINE-INPUT level
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? .... |
#2
Posted to sci.electronics.equipment,sci.electronics.basics,sci.electronics.repair,sci.electronics.misc
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need to convert from MIC level to LINE-INPUT level
On May 18, 3:47 am, wylbur37 wrote:
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? ... 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/pr...iew/?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 |
#3
Posted to sci.electronics.equipment,sci.electronics.basics,sci.electronics.repair,sci.electronics.misc
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need to convert from MIC level to LINE-INPUT level
On May 18, 4:23 am, Chris wrote:
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. .... |
#4
Posted to sci.electronics.equipment,sci.electronics.basics,sci.electronics.repair,sci.electronics.misc
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need to convert from MIC level to LINE-INPUT level
"wylbur37" wrote in message ups.com... On May 18, 4:23 am, Chris wrote: 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 |
#5
Posted to sci.electronics.equipment,sci.electronics.basics,sci.electronics.repair,sci.electronics.misc
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need to convert from MIC level to LINE-INPUT level
"Rev. 11D Meow!" wrote in message ... "wylbur37" wrote in message ups.com... On May 18, 4:23 am, Chris wrote: 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? |
#6
Posted to sci.electronics.equipment,sci.electronics.basics,sci.electronics.repair,sci.electronics.misc
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need to convert from MIC level to LINE-INPUT level
wylbur37 wrote:
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? Over a hundred to choose from at: http://www.markertek.com/SearchProdL...ort=prod&off=0 I like: http://www.markertek.com/SearchProdu...f=33&sort=prod -- GO BMW ORACLE! Bring "The Cup" back to the USA! |
#7
Posted to sci.electronics.equipment,sci.electronics.basics,sci.electronics.repair,sci.electronics.misc
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need to convert from MIC level to LINE-INPUT level
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#8
Posted to sci.electronics.equipment,sci.electronics.basics,sci.electronics.repair,sci.electronics.misc
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need to convert from MIC level to LINE-INPUT level
Marra wrote: Sounds like the sort of thing Maplin would sell. http://www.maplin.co.uk/module.aspx?...=2921&doy=19m5 Replacing the 741 with something superior would be an idea. It's pricey for a noisy op-amp and a few Rs and Cs but you do get a pcb. Graham |
#9
Posted to sci.electronics.equipment,sci.electronics.basics,sci.electronics.repair,sci.electronics.misc
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need to convert from MIC level to LINE-INPUT level
wylbur37 wrote: 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. http://cgi.ebay.co.uk/3-5mm-3-5-mm-I...QQcmdZViewItem |
#10
Posted to sci.electronics.equipment,sci.electronics.basics,sci.electronics.repair,sci.electronics.misc
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need to convert from MIC level to LINE-INPUT level
In article ,
Eeyore wrote: Marra wrote: Sounds like the sort of thing Maplin would sell. http://www.maplin.co.uk/module.aspx?...=2921&doy=19m5 Replacing the 741 with something superior would be an idea. That would matter for a portable cassette recorder? ;-) It's pricey for a noisy op-amp and a few Rs and Cs but you do get a pcb. -- *Half the people in the world are below average. Dave Plowman London SW To e-mail, change noise into sound. |
#11
Posted to sci.electronics.equipment,sci.electronics.basics,sci.electronics.repair,sci.electronics.misc
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need to convert from MIC level to LINE-INPUT level
"Dave Plowman (News)" wrote: Eeyore wrote: Marra wrote: Sounds like the sort of thing Maplin would sell. http://www.maplin.co.uk/module.aspx?...=2921&doy=19m5 Replacing the 741 with something superior would be an idea. That would matter for a portable cassette recorder? ;-) Actually he didn't mention the recording device itself. Graham |
#12
Posted to sci.electronics.equipment,sci.electronics.basics,sci.electronics.repair,sci.electronics.misc
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need to convert from MIC level to LINE-INPUT level
In article ,
Eeyore wrote: "Dave Plowman (News)" wrote: Eeyore wrote: Marra wrote: Sounds like the sort of thing Maplin would sell. http://www.maplin.co.uk/module.aspx?...=2921&doy=19m5 Replacing the 741 with something superior would be an idea. That would matter for a portable cassette recorder? ;-) Actually he didn't mention the recording device itself. True - but the implication is it's for this sort of use. If you were aiming for a high quality recording from a mic you'd use an external mixer to provide phantom power etc as well. Very few high quality self contained recorders that have a mic input exist on the domestic market as there's little demand for them, and making that mic amp side to a high standard for practical use isn't as easy as it might seem. -- * What do they call a coffee break at the Lipton Tea Company? * Dave Plowman London SW To e-mail, change noise into sound. |
#13
Posted to sci.electronics.equipment,sci.electronics.basics,sci.electronics.repair,sci.electronics.misc
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need to convert from MIC level to LINE-INPUT level
"wylbur37" wrote in message ups.com... What I need is a little gizmo (essentially a pre-amplifier, I guess) http://www.google.co.uk/search?hl=en...e+preamp&meta= |
#14
Posted to sci.electronics.equipment,sci.electronics.basics,sci.electronics.repair,sci.electronics.misc
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need to convert from MIC level to LINE-INPUT level
"Jon Slaughter" wrote in message et... "Rev. 11D Meow!" wrote in message ... "wylbur37" wrote in message ups.com... On May 18, 4:23 am, Chris wrote: 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? Alec Baldwin You Ain't! |
#15
Posted to sci.electronics.equipment,sci.electronics.basics,sci.electronics.repair,sci.electronics.misc
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need to convert from MIC level to LINE-INPUT level
"UCLAN" wrote in message ... http://www.markertek.com/SearchProdu...f=33&sort=prod -- We're sorry, your browser must be set up to accept cookies. If cookies are already enabled then you may begin shopping. |
#16
Posted to sci.electronics.equipment,sci.electronics.basics,sci.electronics.repair,sci.electronics.misc
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need to convert from MIC level to LINE-INPUT level
Rev. 11D Meow! wrote:
We're sorry, your browser must be set up to accept cookies. If cookies are already enabled then you may begin shopping. This complaint, from someone whose recommendation required the Javascript virus installer? -- We can't possibly imprison 300 million Americans for not paying their taxes, so let's grant all of them amnesty NOW! |
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