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Author Topic: Aerco MP-2 preamp - Part 2  (Read 64778 times)

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Online Gutbucket

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Re: Aerco MP-2 preamp - Part 2
« Reply #225 on: May 12, 2015, 06:29:50 PM »
^^
Nice.

Only time I ran my Gefells Aerco>DR-680 was onstage for a jazz trio, but unfortunately the borrowed Aerco had problems and the recording distorted.  It's been fixed since but I haven't had a chance to try it again. 

Love to try the Portico/silk-mode with the Geffs sometime.
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Offline audBall

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Re: Aerco MP-2 preamp - Part 2
« Reply #226 on: May 12, 2015, 06:40:20 PM »
Anyone know how long the MP-2 runs off of a MP3450 Tekkeon...I will not drag the Portico to a festival...for multiple reasons.

I have a "MP3450" clone and running M2x>nBob>PFA can easily get 8-10 hours with only losing a bar or two on the battery. Never tested it all the way down, but I'd imagine at least 20 hours.

Offline Hypnocracy

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Re: Aerco MP-2 preamp - Part 2
« Reply #227 on: May 12, 2015, 07:38:29 PM »
Thanks audball....that would be ideal at Lockn'

Gutbucket...Gefell > Portico Silk in a nice sounding room is magical....check out the "Girl from the North Country" on the Sam Bush Isis Music hall below...Yee Ha factor was somewhat in control on that one...

https://archive.org/details/sbb2015-04-10.Isis_Muisc_Hall_Gefell

If you come back to NC let me know...

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Offline carlbeck

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Re: Aerco MP-2 preamp - Part 2
« Reply #228 on: May 12, 2015, 10:44:33 PM »
Jerry got back to me this evening & told me exactly what needs to be done to install an external Jack including identifying the proper location when I sent him a picture of the inside. What a great guy, talk about excellent customer service.
I know you like, tape for people's approval and stuff, and wave your tapes around like they're your dick...  but even you can't actually think section tapes from philips sound good.  



Mics: Telefunken Elam 260, 61, 62, MBHO KA200, KA500 > Niant PFA's, AKG C34L-MS
Preamps: Grace Lunatec V2, Shure FP24
Decks: Tascam DR-2d, Zoom F8

Old rig: Recording: AKG C34 & AKG CK1X or CK2X > MK46 > 460 > Aeta Mix2000 > Sound Devices 702

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Offline gormenghast

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Re: Aerco MP-2 preamp - Part 2
« Reply #229 on: May 13, 2015, 12:45:30 AM »
Jerry got back to me this evening & told me exactly what needs to be done to install an external Jack including identifying the proper location when I sent him a picture of the inside. What a great guy, talk about excellent customer service.

He and I chatted about a mod I wanted done to the red Aerco.  But, something came up I'm excited for and am looking toward to.

Good to know you'll get the external jack you want. 
A lot of people run a race to see who is the fastest. I run to see who has the most guts, who can punish himself into exhausting pace, and then at the end, punish himself even more.

Offline acidjack

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Re: Aerco MP-2 preamp - Part 2
« Reply #230 on: May 23, 2015, 10:04:13 PM »
Thanks audball....that would be ideal at Lockn'

Gutbucket...Gefell > Portico Silk in a nice sounding room is magical....check out the "Girl from the North Country" on the Sam Bush Isis Music hall below...Yee Ha factor was somewhat in control on that one...

https://archive.org/details/sbb2015-04-10.Isis_Muisc_Hall_Gefell

If you come back to NC let me know...

Fwiw I briefly owned Gefell 210s.  I really disliked them with the gear I had at the time but loved the Aerco recordings I heard with them. 200s aren't the same thing, but I do find the Aerco is a big help with the rather crispy sounding MBHO KA200s I have.
Mics: Schoeps MK4V, MK41V, MK5, MK22> CMC6, KCY 250/5, KC5, NBob; MBHO MBP603/KA200N, AT 3031, DPA 4061 w/ d:vice, Naiant X-X, AT 853c, shotgun, Nak300
Pres/Power: Aerco MP2, tinybox v2  [KCY], CA-UBB
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Offline Hypnocracy

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Re: Aerco MP-2 preamp - Part 2
« Reply #231 on: May 27, 2015, 09:16:49 AM »
First outing with the Aerco and Gefell M200's

https://archive.org/download/ep2015-05-16.Pisgah_Gefell/ep20150516_PisgahBrewery_03.mp3

I'm lovin' it....
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Re: Aerco MP-2 preamp - Part 2
« Reply #232 on: May 27, 2015, 10:20:27 AM »
First outing with the Aerco and Gefell M200's

https://archive.org/download/ep2015-05-16.Pisgah_Gefell/ep20150516_PisgahBrewery_03.mp3

I'm lovin' it....

+T  Welcome to the team.   :)

Offline OOK

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Re: Aerco MP-2 preamp - Part 2
« Reply #233 on: May 27, 2015, 05:14:20 PM »
First outing with the Aerco and Gefell M200's

https://archive.org/download/ep2015-05-16.Pisgah_Gefell/ep20150516_PisgahBrewery_03.mp3

I'm lovin' it....

+T  Welcome to the team.   :)

Of all that is holy...that is........    Phat!!!   I can only imagine what the lossless sounds like.
DPA/HEB 4060's > R09HR
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Offline spyder9

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Re: Aerco MP-2 preamp - Part 2
« Reply #234 on: May 28, 2015, 04:59:31 PM »
Update on Jerry:  The shop got flooded from the storms, so he's been dealing with cleanup. 

He's updating the external power jack on my Aerco, so I reached out to him last night and he replied this morning.  fyi   

Offline carlbeck

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Re: Aerco MP-2 preamp - Part 2
« Reply #235 on: May 28, 2015, 09:28:28 PM »
First outing with the Aerco and Gefell M200's

https://archive.org/download/ep2015-05-16.Pisgah_Gefell/ep20150516_PisgahBrewery_03.mp3

I'm lovin' it....

+T  Welcome to the team.   :)

Of all that is holy...that is........    Phat!!!   I can only imagine what the lossless sounds like.

Indeed, that sounds awesome! Have you thought of running a splitter so you can run both the Portico & Aerco with your Gefells since you were concerned about losing the Portico? I did this recently with mine & the FP24 using my MBHO 440's. Since it was an onstage recording the differences were very slight but I plan on trying it in some different venues before I pass judgement.
I know you like, tape for people's approval and stuff, and wave your tapes around like they're your dick...  but even you can't actually think section tapes from philips sound good.  



Mics: Telefunken Elam 260, 61, 62, MBHO KA200, KA500 > Niant PFA's, AKG C34L-MS
Preamps: Grace Lunatec V2, Shure FP24
Decks: Tascam DR-2d, Zoom F8

Old rig: Recording: AKG C34 & AKG CK1X or CK2X > MK46 > 460 > Aeta Mix2000 > Sound Devices 702

Playback: Thorens TD125, Denon DVD-2900> Bel Canto DAC-1 > Audible Illusions 3B > Rogue Atlas >ZU Wax Shotgun> Hyperion 938
ALL TUBES BABY!!!

Offline OOK

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Re: Aerco MP-2 preamp - Part 2
« Reply #236 on: May 29, 2015, 07:39:23 AM »
I did this recently with mine & the FP24 using my MBHO 440's. Since it was an onstage recording the differences were very slight but I plan on trying it in some different venues before I pass judgement.

Now you can't drop a comment like that around another mbho owner and get away without saying what those differences were... :P
DPA/HEB 4060's > R09HR
MBHO648/KA100Lk/KA200/KA300/KA500 > SD702

Offline carlbeck

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Re: Aerco MP-2 preamp - Part 2
« Reply #237 on: May 29, 2015, 10:35:15 AM »
I did this recently with mine & the FP24 using my MBHO 440's. Since it was an onstage recording the differences were very slight but I plan on trying it in some different venues before I pass judgement.

Now you can't drop a comment like that around another mbho owner and get away without saying what those differences were... :P

Fair enough, I'll do one step better & put a comparison up later so you can decide for yourself  :)
I know you like, tape for people's approval and stuff, and wave your tapes around like they're your dick...  but even you can't actually think section tapes from philips sound good.  



Mics: Telefunken Elam 260, 61, 62, MBHO KA200, KA500 > Niant PFA's, AKG C34L-MS
Preamps: Grace Lunatec V2, Shure FP24
Decks: Tascam DR-2d, Zoom F8

Old rig: Recording: AKG C34 & AKG CK1X or CK2X > MK46 > 460 > Aeta Mix2000 > Sound Devices 702

Playback: Thorens TD125, Denon DVD-2900> Bel Canto DAC-1 > Audible Illusions 3B > Rogue Atlas >ZU Wax Shotgun> Hyperion 938
ALL TUBES BABY!!!

Offline carlbeck

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Re: Aerco MP-2 preamp - Part 2
« Reply #238 on: May 29, 2015, 10:26:54 PM »
I started a new thread with the comp of the Aerco vs the FP for those of you interested, you can decide for yourselves  :)
I know you like, tape for people's approval and stuff, and wave your tapes around like they're your dick...  but even you can't actually think section tapes from philips sound good.  



Mics: Telefunken Elam 260, 61, 62, MBHO KA200, KA500 > Niant PFA's, AKG C34L-MS
Preamps: Grace Lunatec V2, Shure FP24
Decks: Tascam DR-2d, Zoom F8

Old rig: Recording: AKG C34 & AKG CK1X or CK2X > MK46 > 460 > Aeta Mix2000 > Sound Devices 702

Playback: Thorens TD125, Denon DVD-2900> Bel Canto DAC-1 > Audible Illusions 3B > Rogue Atlas >ZU Wax Shotgun> Hyperion 938
ALL TUBES BABY!!!

Offline audBall

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Re: Aerco MP-2 preamp - Part 2
« Reply #239 on: June 29, 2015, 01:21:28 PM »
I am thinking about parting with my Aerco (seen here) and figured I would check with the team first here. It is in fantastic condition for its age. It was purchased from Jerry Bruck (Posthorn) on eBay back in 2013 and appeared to have never really been used. Mine is somewhat unusual compared to many of the current ones out there. According to Jerry, this preamp is the first MP-2 configuration. Paperwork included showing some tests on the unit are dated 09-1991. The gain adjustments are weird and have to be adjusted with a small jeweler's screwdriver through the RCA jacks, however, I've always left it set in the +20dB setting, effectively treating it as a fixed preamp. There is a small 1" SYF metal sticker on top of the unit now (not pictured). It's actually much cleaner looking on the outside than what's portrayed with using the flash in those pics. When I contacted Jerry about info this preamp and the possibility of replacing the parts, this is what he said:

-
That is indeed the very first configuration, the idea was to have maximum ruggedness as it was favorexd by news crews because at the time it was the only portable preamp that would power the Neuman RSM-190i matrix mic which they frequently used. None of the electronics wear or degrade in normal use- one transformer became noisy when it was immersed in water. Those transformers have spectacular performance but apparently imperfect potting. The switches are a nuisance if you change gain a lot but should be well suited to your mode of use- they are industrial grade and should last essentially forever. Connectors are always prone to wear but the Neutrik XLRs should last for many thousands of insertions / removals. The RCA connectors are more prone to wear but if you're not experiencing any problems there is no benefit in replacing them.  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.  With all that said, never hesitate to request service or advice- I take vicarious pleasure from your successful recordings.  :-)) 
-

The transformers are stamped "RE 13K6-C". Here's a link to the Reichenbach specs for them.

I'd be looking to get exactly what I paid, $525 shipped. If interested, let me know.  SOLD
« Last Edit: July 10, 2015, 12:50:33 PM by audBall »

 

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