Cheap and cheerful phantom power

[TooNice]

Hello,

Could anyone suggest a cheap and cheerful pre-amp or alternatives to run a condenser mic from http://www.thomann.de/index.html?partner_id=97926&page=thoiw2_index.html ?

If I already have a pre-amp (but no phantom power), can I get away using something like this alone? http://www.thomann.de/index.html?partner_id=97926&page=thoiw2_akg_b15xlr_speisemodul_prodinfo.html

 

[Innovations]

Cheerfull? Never heard of a cheerfull pre-amp, although the RNP is an abbreviation for Really Nice Preamp.

As for the AKG device, most phantom power is 48 volt, not 12 volt so check what voltage of phantom power your mic requires. There are similar devices for regular phantom power, though I like the simple design of the AKG unit.

http://www.samedaymusic.com/product--ARTPHANIII

 

[scrubs]

http://www.thomann.de/index.html?partner_id=97926&page=thoiw2_studio_projects_vtb1_prodinfo.html
http://www.thomann.de/index.html?partner_id=97926&page=thoiw2_m-audio_audio_buddy_prodinfo.html
http://www.thomann.de/index.html?partner_id=97926&page=thoiw2_m-audio_dmp_3_prodinfo.html

 

[Harvey Gerst]

Or he could build his own 48VDC phantom power supply for about $10. I put up the circuit and parts list here quite a while back. Two resistors, two capacitors, five 9V batteries, XLR in/out, and a small case. It ain't rocket surgery.

 

[crazydoc]

Or he could build his own 48VDC phantom power supply for about $10. I put up the circuit and parts list here quite a while back. Two resistors, two capacitors, five 9V batteries, XLR in/out, and a small case. It ain't rocket surgery.

https://homerecording.com/bbs/showpost.php?p=961540&postcount=3

 

[Minion]

You can also build one that Runs off of your House Current that you can plug into a Wall as opposed to Running several Batteries ....

You just need a 120v to 48v Transformer or a 120V to 24v Transformer and build a Voltage doubleing circuit...

You can get Transformers for really cheap, Even cheaper than the 9v batteries would cost, I just bought 8 New 120v to 26v Transformers on e-bay for $5 which I am going to use for some DYI audio equipment....

You will also need a Bridge Rectifier to convert the AC to DC and a couple Caps to Filter the Signal and a Voltage Regulator to regulate the Voltage and a couple resistors....

You can also do it with a cheap AC/DC adapter but they are hard to Find anywere near 48v or even 24v but if you can find one then that might be the easiest way.....


Good Luck

 

[TooNice]

Cheers. Do you need a soldering iron for the connecting part? That's one equipment I don't have. And can all the parts be bought on Ebay?

Honestly, I don't have any experience with electronics (past the basic physic labs years ago). Still, learning a thing or two would be productive use of my time.

And just in case, seeing that the M-Audio Buddy is actually pretty affordable what does it lack compared to the more expensive M-Audio and Studio project Pre-amp?

 

[big country]

go with the studio projects

 

[mshilarious]

You will also need a Bridge Rectifier to convert the AC to DC and a couple Caps to Filter the Signal and a Voltage Regulator to regulate the Voltage and a couple resistors....

You don't really need a regulator on a phantom supply. Phantom varies widely from say 45 to 52V, so mic designers will generally take that into account. Since the voltage is often dropped substantially before the capsule (especially for electret designs), it's not atypical for the mic itself to have regulation at a lower voltage.

I am working on a project to build an inline phantom supply run off 2 A23 batteries (12V each, for 24V). That would yield something like 20 hours at full current draw.

 

[mshilarious]

Cheers. Do you need a soldering iron for the connecting part? That's one equipment I don't have. And can all the parts be bought on Ebay?

If you don't have a soldering iron or a multimeter, it's cheaper to buy the phantom supply