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Author Topic: Aerco MP-2 preamp - Part 2  (Read 64776 times)

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Offline Hypnocracy

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Re: Aerco MP-2 preamp - Part 2
« Reply #240 on: July 28, 2015, 07:43:20 PM »
Gefell M200>Aerco MP2>Tascam DR2d

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Quote
The 3.5 mm stereo connector is never reliable for serious use and is just there for a quick check with a pair of headphones.

I've heard noise from using the mini stereo out...rough movements...But since it was going to the DR2d I never considered the mini output on the Aerco to be suspect any more than the mini stereo recorder input...

Team Members do you go RCA > 1/8 Stereo?
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Offline spyder9

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Re: Aerco MP-2 preamp - Part 2
« Reply #241 on: July 29, 2015, 10:46:24 AM »
Gefell M200>Aerco MP2>Tascam DR2d

https://soundcloud.com/hypnocracy/rosalee-chris-robinson-brotherhood-live-2015-07-24

Lovin' It!

Quote
The 3.5 mm stereo connector is never reliable for serious use and is just there for a quick check with a pair of headphones.

I've heard noise from using the mini stereo out...rough movements...But since it was going to the DR2d I never considered the mini output on the Aerco to be suspect any more than the mini stereo recorder input...

Team Members do you go RCA > 1/8 Stereo?

Yes, since day 1.  That 1/8 out is NOT a clean line-out.  As Jerry said, it was intended for headphones.  A good-ole-fashion Y cable from Ratshack or a custom jobbie from Ted Gakadis, has always been the best solution for me.  I've owned & operated my Aerco for 10 years.

Offline aaronji

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Re: Aerco MP-2 preamp - Part 2
« Reply #242 on: July 29, 2015, 04:34:45 PM »
I would also recommend the RCA outs.  For my bag set-up, I have found that right angle RCAs work particularly well.  For the record, though, I have run the 1/8" out a couple of times and it sounded fine...

Offline Hypnocracy

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Re: Aerco MP-2 preamp - Part 2
« Reply #243 on: July 29, 2015, 08:37:09 PM »
Yeah...I've had it out for three shows and ran just Mini out with no problems...message sent to Ted...need to get that and the latching power cable pigtail I have tied to a Tekkeon for Lockn'
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Offline easy jim

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Re: Aerco MP-2 preamp - Part 2
« Reply #244 on: July 29, 2015, 11:01:20 PM »
I've never had problems with the mini output on my Aerco, though the channels are inverted from the RCA outputs.
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Pre/A2D:  Aerco MP-2 | Benchmark AD2K+ (needs repair)
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Offline raoulduke

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Re: Aerco MP-2 preamp - Part 2
« Reply #245 on: September 22, 2016, 09:54:36 AM »
Does anyone have a current email address for Jerry? I emailed multiple addresses Monday with either no response or delivery errors.

jerry@chamkis.me
jerry@aerco.net
sales@aerco.net  (delivery failed)
jerry@jchamkis.com  (delivery delayed)

For anyone who has an Aerco outfitted with internal lithium poly batteries:
  Any recommendations on where to buy replacement batteries?
  Is it easy to swap them out? Do they snap in or is soldering involved?

Offline aaronji

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Re: Aerco MP-2 preamp - Part 2
« Reply #246 on: September 22, 2016, 10:33:11 AM »
Maybe try jchamkis@bga.com.  That is one he has used with me in the past (in addition to jerry@aerco.net and jerry@jchamkis.com).

No idea about the battery, though.  If you find any information about replacing it, please post here!  Mine is still good to go, but I (and others) will surely face that issue at some point...

Offline it-goes-to-eleven

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Re: Aerco MP-2 preamp - Part 2
« Reply #247 on: September 22, 2016, 02:24:15 PM »
Jerry sometimes does live sound production for films. Those gigs can have him isolated on site for days. So maybe that is where he is. Or on vacation.

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Offline spyder9

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Re: Aerco MP-2 preamp - Part 2
« Reply #248 on: September 22, 2016, 02:32:04 PM »
The jerry@chamkis.me is the last known email address I used to communicate with him.  That was a year ago, August.

I found his phone #.  PM me if interested.
« Last Edit: September 22, 2016, 02:34:43 PM by spyder9 »

Offline darby

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Re: Aerco MP-2 preamp - Part 2
« Reply #249 on: September 22, 2016, 04:16:10 PM »
The jerry@chamkis.me is the last known email address I used to communicate with him.  That was a year ago, August.

I found his phone #.  PM me if interested.

I'm having Jerry work on a box for me now, and that is the email I use to communicate with him.
He is not very fast, and sometimes takes a while to respond.
I'll touch base with him about the replacement battery and see what he suggests.

EDIT: I sent him an email this morning and will post any info he shares with me here.
« Last Edit: September 23, 2016, 01:00:03 PM by darby »

Offline spyder9

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Re: Aerco MP-2 preamp - Part 2
« Reply #250 on: September 23, 2016, 10:56:30 AM »
The jerry@chamkis.me is the last known email address I used to communicate with him.  That was a year ago, August.

I found his phone #.  PM me if interested.

I'm having Jerry work on a box for me now, and that is the email I use to communicate with him.
He is not very fast, and sometimes takes a while to respond.
I'll touch base with him about the replacement battery and see what he suggests.

Nice!  It would be great hear if he found a good supplier.

Offline darby

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Re: Aerco MP-2 preamp - Part 2
« Reply #251 on: September 25, 2016, 07:06:16 AM »
here is what Jerry said:

Hi Michael-
Batteries are available on the web, they're 7.4 volt 900 MaH helicopter batteries. However, since there are two in parallel it's very important to have a matched pair as any difference will reduce the lifetime significantly.

There are also slight variations in size and they're a tight fit so it's tricky to get ones that work well, I have lots of useless leftovers that get re-purposed for in-shop instruments and projects. I sell the matched pairs for $100 / pair plus shipping.

They plug in to a little board at the back of the case, no soldering is required. It is however delicate work in a tight place so I'll do the job if you pay the shipping both ways.

Regards-

Jerry

Offline aaronji

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Re: Aerco MP-2 preamp - Part 2
« Reply #252 on: September 28, 2016, 04:09:03 PM »
There is a good picture of a battery that Jerry uses (or, at least, used) in this Yard Sale post (the next to last photo). 

Offline achalsey

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Re: Aerco MP-2 preamp - Part 2
« Reply #253 on: November 17, 2017, 06:50:10 PM »
One of the knobs on my MP-2 fell off.  Has this happened to anyone before?  Do I just need to find the right screwdriver to tighten the little screws on the knob?  Is it even a screw?  An allen key doesn't fit.  Tiny torx maybe?




Offline goodcooker

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Re: Aerco MP-2 preamp - Part 2
« Reply #254 on: November 17, 2017, 07:22:06 PM »
Mine fell off the second time I used it. Thought I had it tightened back down with a very small flathead screwdriver that seemed to fit then it fell off again and now I can't even find it,

Good thing I run it on +20dB all the time anyway  :-X
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