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Author Topic: Aerco MP-2 preamp - Part 2  (Read 57789 times)

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Offline yug du nord

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Re: Aerco MP-2 preamp - Part 2
« Reply #255 on: November 17, 2017, 07:44:55 PM »
With my old Aerco, a knob would come loose.  I could tighten it with a small/tiny flat-head screw driver that was on my Leatherman multi-tool. 
It would eventually come loose again.. and I'd tighten it again.
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Offline audBall

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Re: Aerco MP-2 preamp - Part 2
« Reply #256 on: November 17, 2017, 09:45:22 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?

A torx is essentially a notched allen. If the one you have doesn't fit, either the set screw is worn or you need metric vs standard, or otherwise.

Offline goodcooker

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Re: Aerco MP-2 preamp - Part 2
« Reply #257 on: February 17, 2018, 01:43:16 PM »
My MP2 has been doing some squirelly stuff. Last night the recording was really hissy and had a couple of big distorted jumps. Opened it up today to see if I could see any loose wires or anything obvious and the batteries are starting to swell up- one of them looks ready to pop. Has anyone found a source of replacement batteries? Might just send it back to Jerry for a checkup anyway.

Edit - The local batteries plus store said they could put something together then they said they couldn't. They found some 7.4V LiPo packs just like the one's that Jerry used but one 7.4V pack instead of two 3.7V packs. I ordered a couple to see if they work.

Also thinking using an external will solve some problems - never have used the DC input. I have a ton of 5V batteries and don't want to buy any other voltage just to run the MP2 - anyone ever use a voltage up converter - you can get cheap ones to convert 5V to 9 or 12 V.
« Last Edit: February 21, 2018, 04:30:00 PM by goodcooker »
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Offline Hypnocracy

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Re: Aerco MP-2 preamp - Part 2
« Reply #258 on: March 04, 2018, 10:17:43 AM »
Sorry to hear that the internal Lipo has swelled up. It’s nice not to drag along external batteries. The only issue I had running external was with a voltage ranging Tekkeon that refused to send 9-12v to the MP2 and I got a brick walled signal on the DR2d...ran great on my other Tekkeons that set voltage with dip switch’s.
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