Topic: AT U853 Powered by CA-9100 Correctly?

[Cheesecadet]

Just curious if a Church Audio CA-9100 v4.4 will correctly power a set of the Audio Technica U853s that are terminated to a 1/8" mini connector?

Do the mics need the low sensitivity mod if I am mostly seeing rock shows...with the occasional acoustic show?

I would be running the mics into a sony PCM-M10 or an iRiver iHP-120.

Another question I have is, would a battery box be enough to power the U853s also to get enough gain to run line in if the mics had the low sensitivity mod.

Thanks for any advice. 

[fmaderjr]

Just curious if a Church Audio CA-9100 v4.4 will correctly power a set of the Audio Technica U853s that are terminated to a 1/8" mini connector?

Do the mics need the low sensitivity mod if I am mostly seeing rock shows...with the occasional acoustic show?

I would be running the mics into a sony PCM-M10 or an iRiver iHP-120.

Another question I have is, would a battery box be enough to power the U853s also to get enough gain to run line in if the mics had the low sensitivity mod.

Thanks for any advice. 

Yes to the first 2. A ST-9100 will power the mics fine, but the mics may still distort when the show is very loud without the mod.

You may be able to get away with just a battery box with the Sony. You don't want to turn the iRiver's gain above 24 db (some even say 15) so you definitely would need a the ST-9100 with the iRiver for acoustic and probably for rock that is not fairly loud.

I would still recommend using the ST-9100 instead of a battery box in most cases. It isn't very big and isn't very expensive. I can easily fit an M10 and ST-9100 into a large shirt front pocket.

[hawghunter]

i thought i read some of the newer pre amps had the mod on them, not sure though.
i ran the same thing but mic's had the mod. give it a test run, ehh?

[Cheesecadet]

i thought i read some of the newer pre amps had the mod on them, not sure though.
i ran the same thing but mic's had the mod. give it a test run, ehh?

Which mod would that be?...the 4.7k? 

I don't have the 853 mics yet o cannot test run.

[fmaderjr]

i thought i read some of the newer pre amps had the mod on them, not sure though.
i ran the same thing but mic's had the mod. give it a test run, ehh?

You can get the mod built into a ST-9100 so it can be switched on and off. I believe the mics need to be terminated with Mini-XLR's for this option. I know that was the case 2 years ago when I got mine.

[Belexes]

You'll need the 4.7 mod. I needed that for my mics. Do it either with the 9100 or the mics themselves.

I can send you a sample of my Experience Hendrix show without the mod. DISTORTED. 

[Church-Audio]

Just curious if a Church Audio CA-9100 v4.4 will correctly power a set of the Audio Technica U853s that are terminated to a 1/8" mini connector?

Do the mics need the low sensitivity mod if I am mostly seeing rock shows...with the occasional acoustic show?

I would be running the mics into a sony PCM-M10 or an iRiver iHP-120.

Another question I have is, would a battery box be enough to power the U853s also to get enough gain to run line in if the mics had the low sensitivity mod.

Thanks for any advice. 

Yes.. BUT.... the 853 mics will overload when wired 2 wire with out my mod.. So Yes my preamp will power the mics properly but you still might have overloading issues because these mics should have never been built to run on 2 wire because they overload so easily. They were never designed to be run two wire only three wire for high SPL applications, atleast until I came up with the 4.7k mod. So you have three options

1- Run the mics three wire with a battery box.

2- Run the mics with a 3 wire 9100 preamp with the 4.7k mod this gives you the ability to run them 2 wire for low volume shows and with my 4.7k mod for loud shows.

3- Run them as they are into a 9100 with 3.5mm input or a battery box with a 3.5 mm input if you are not going to be using them for shows that will approach 109db. That sounds like a very loud show but its about average for a club show at close range.

There is one more option I can modify the mics so that they will stay with the 3.5 mm plug but I can build the 4.7k mod inside the mics.

Honestly you are the perfect candidate for my 4.7k 9100 preamp. Because you do acoustic shows and you do rock shows.. The 9100 with the 4.7k mod will allow you to do both well. With the 4.7k mod off you will have 30db of gain good for acoustic shows with the 4.7k mod on you will have 20db  of gain perfect for rock shows.


The price of the preamp is $149 with the 3 pin mini xlr connectors and the 4.7k mod installed the price of terminating your 853 mics is $29 this includes the two mini xlr connectors.

Chris

[dactylus]

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[Cheesecadet]

Does an attenuator cable accomplish the same thing as the 4.7k mod???

[su6oxone]

Does an attenuator cable accomplish the same thing as the 4.7k mod???

I don't think so, as the attenuator will decrease the signal leaving the mic capsule, which will already be distorted without the mod at a high SPL show.

[fmaderjr]

Does an attenuator cable accomplish the same thing as the 4.7k mod???

I don't think so, as the attenuator will decrease the signal leaving the mic capsule, which will already be distorted without the mod at a high SPL show.

Absolutely correct. If it was as simple as using an attenuator to avoid distortion, the 4.7 k mod would not be nearly as popular. An attenuator can sometimes prevent a recorder from overloading, but has no effect if the mic capsules themselves can't handle the sound pressure level.

[Church-Audio]

Does an attenuator cable accomplish the same thing as the 4.7k mod???

I don't think so, as the attenuator will decrease the signal leaving the mic capsule, which will already be distorted without the mod at a high SPL show.

Absolutely correct. If it was as simple as using an attenuator to avoid distortion, the 4.7 k mod would not be nearly as popular. An attenuator can sometimes prevent a recorder from overloading, but has no effect if the mic capsules themselves can't handle the sound pressure level.

Correct. The attenuator will do nothing to solve the issue except add noise and reduce the bias voltage to the capsule

[Hypnocracy]

Three Wire Mini-XLR 9100 is the way to go...I got it for low pro with my AT853's...liked it enough to bring to open taping now...

Add a Lowes Stereo Bar (plumbing Street Connector and PVC Pipe), Shock Mount and a clamp...that is one sweet set up

[Church-Audio]

Three Wire Mini-XLR 9100 is the way to go...I got it for low pro with my AT853's...liked it enough to bring to open taping now...

Add a Lowes Stereo Bar (plumbing Street Connector and PVC Pipe), Shock Mount and a clamp...that is one sweet set up

Thank you I appreciate that.

Chris