Anyone ever used a cloud lifter?

pucho812

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it's a phantom powered preamp that goes between the mic pre and a passive mic(passive mic like  adynamic and or regular ribbon). it adds extra gain coming off the mic before the mic pre.  I don't know if it works  or is designed to work with condenser mics, tube mics or any other active(requiring phantom) microphones. I also doubt one needs it for dynamic mics as usually, most people put loud sound sources on dynamics like drums, bass and guitars, etc.

There was a design floating around here a while back that converted your average passive ribbon mic into an active ribbon mic via a phantom powered preamp that was the size of a quarter. It added 13dB of signal off the mic before the mic pre. I have a schemo of anyone is interested and if layed out right could fit inside 99.9% of the ribbon mics out there.
 

usekgb

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RODE makes something similar to that that actually fits inside the body of the mic.  I threw one in a 57, and it works really well.

Cheers,
Zach
 

pucho812

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usekgb said:
RODE makes something similar to that that actually fits inside the body of the mic.  I threw one in a 57, and it works really well.

Cheers,
Zach

a couple of questions.
1. what is the model #, part number?
2. what was the need/reason for using that with an SM57?

 

abechap024

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might be good inside a '57 with the transformer removed. Whats the schemo look like? a fet and transistor?
 

pucho812

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the one floating round here was this one. could easily point to point or bread board this one. If anyone wants to layout in either fashion do drop me a copy ;)
 

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usekgb

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pucho812 said:
usekgb said:
RODE makes something similar to that that actually fits inside the body of the mic.  I threw one in a 57, and it works really well.

Cheers,
Zach

a couple of questions.
1. what is the model #, part number?
2. what was the need/reason for using that with an SM57?

It was the RODE D-Power.  It doesn't look like they make it anymore, sorry for suggesting it.  I put it in a few years ago and have no idea what the schematic is like.  Anyway, I had a 57 that I had removed the transformer from.  I got a D-Power cheap, and decided to throw it in.  It's a good, versatile mic, and sounds great on percussion and vocals.  Here's a pic:

Cheers,
Zach
 

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mrclunk

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The active ribbon pre circuit above works well, i regularly use it on our ribbons, plus its helpful on RE-20's.
I've a pcb layout that will fit in a standard hammond guitar pedal box if anyone wants a copy.. (actually u can fit two per box)

Possibly the cloud lifter is a two stage version of the same circuit, that would give the +25dB.
i think this is the main ribbon booster thread http://www.groupdiy.com/index.php?topic=5743.0
 

usekgb

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I haven't needed a booster yet for my SM7, but I usually use it with my Baby Animal pre, which has LOADS of gain.    How transparent is the active ribbon pre?  Does it clip easily?  It might be a fun afternoon project to build one and see how it works, especially if it is small enough to fit in a small Hammond enclosure.

Cheers,
Zach
 

pucho812

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mrclunk said:
The active ribbon pre circuit above works well, i regularly use it on our ribbons, plus its helpful on RE-20's.
I've a pcb layout that will fit in a standard hammond guitar pedal box if anyone wants a copy.. (actually u can fit two per box)

Possibly the cloud lifter is a two stage version of the same circuit, that would give the +25dB.
i think this is the main ribbon booster thread http://www.groupdiy.com/index.php?topic=5743.0

I'll take one.
 

mrclunk

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Think its very transparent but i've not done exhaustive tests..
Use high quality caps for C1, C2. Panasonic FM , FC etc.

Here's my Eagle files for the prr ribbon booster and a pcb pdf.
(rename to .zip)
This was my first pcb layout so its not great...
First thing i would do is swap the in and out xlr conns round.

 

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