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Need info on Analogue 520 preamplifier

 

Anyone have any information on an Analogue 520 preamp? It was made by Analog Engineering Associates out of Florida. I picked it up at a pawn shop on a whim; looks like 80's vintage equipment. Thanks.
 

Hello, I have an AEA 620, I think it's the companion power amplifier. Mine is not properly working and I'm looking for schematics. Do you or someone else have something that could help me?

Thank you,

Giorgio
 

Davide Gentile
Unregistered guest
I have the AEA 515 Phono Pre.
Funny, there's just no info out there.
Any and info greatly appreciated!
davidegentile-AT-earthlink-DOT-net

 

New member
Username: Vicstatic

Salinas, Ca Us

Post Number: 1
Registered: Jul-05
I ALSO HAVE AN AEA 520. A GUY LET ME HAVE IT WHEN I PURCHASED AN AMP FROM HIM. PRIVATE SELLER.
DOES YOURS HAVE A CLEAR PLEXIGLASS TOP ON IT?
MINE MAY HAVE BEEN A DEMO OR DISPLAY OR SOMETHING.
UNLESS THEY ALL CAME LIKE THAT.
VIC
 

Anonymous
 
I have AEA 520 pre amp. Bought it new in 1977.

Mine have a steel top. The Demo in the store had a seethrought top.

The company from Winterpark, Florida USA went bankrupt in 1980.

It is difficult to get parts. A very analytic preamp.



 

New member
Username: Uheitkamp

48268 GrevenGermany

Post Number: 1
Registered: Jul-06
I am also since yesterday a lucky owner of AEA 520, full equipped. Excellent condition. With plexiglas top. But unfortunately without any technical data. Is there anyone who have data ?
Thank you.
Ulrich
 

New member
Username: Docdom

Post Number: 1
Registered: Mar-07
I have AEA also, anyone want to but or sell ONE of the internal parts, 557Q equalizer module?
 

New member
Username: Jgootz

Post Number: 1
Registered: Dec-10
Analogue Engineering Associates was a Winter Park Florida
company. The 520 came from their address, 520 Park Ave. South.
The fellows who started the company were engineers who
supposedly worked for NASA. I am an original owner of one that
still works, was repaired once, so there is one non original part.
Mine has the clear top (only way I ever saw it at the Park Ave.
dealer who sold it) and original owners manual. I will be putting
mine up for sale on Ebay shortly.
 

Gold Member
Username: Superjazzyjames

Post Number: 1103
Registered: Oct-10
So if you have any AEA equipment that works and you like it, take care of it. Otherwise, time to move on!
 

New member
Username: Kenl

Napa, CA - California United States

Post Number: 1
Registered: Jan-13
I'm Ken Leonard, founder of Analog Engineering Associates, and the lead designer of all the AEA amps. Unfortunately I no longer have access to schematics or parts, but I'll be happy to answer any questions anyone might have.
 

New member
Username: Thazlitt

Post Number: 1
Registered: Feb-13
I have an AEA A 515 moving coil preamp, and I've lost the wall wart
power supply for it. Can you tell me, can I use a generic power supply and what is the correct voltage? thanks very much or email me at
tomhazlitt@hotmail.com thanks
 

New member
Username: Kenl

Napa, CA - California United States

Post Number: 2
Registered: Jan-13
Yes - a generic power supply of 5 to 9 volts DC will work fine.

Just be sure the center of the plug is the positive terminal. (it usually is)
 

New member
Username: Kenl

Napa, CA - California United States

Post Number: 3
Registered: Jan-13
Yes - a generic power supply of 9 volts DC will work fine.

Just be sure the center of the plug is the positive terminal. (it usually is)
 

New member
Username: Hifix

Post Number: 1
Registered: Sep-14
Hi,

I am Rainer from Germany.

Are you still interested in any data or sheets for the preamp 520? I have a user's manual and several descriptions, also for the 515 prepreamp.

I am just about to change loudness and volume potis to motorized versions. At that, I make the ingenious loudness button work together with the volume button. (I could send picture when I am ready.)

Ken, I hope you don't take that as blasphemy. It is still an outstanding preamp!!

Does anyone know where to get a 515? I would like to test it. At the moment, I am listening using an optimized MCA76 from Ortofon. Moreover, I have a Thorens PPA990 as I am using a TMC63 (unfortunately, the Thorens does not yet work correctly.

Rainer
 

New member
Username: Kenl

Napa, CA - California United States

Post Number: 4
Registered: Jan-13
Hi Rainer,

Yes, I'm interested in any data sheets for the 520 or 515 you might have.

No problem about making modifications... I'm happy to help with any modifications you are making or answer any other questions about AEA gear. I do not have any of the original schematics-- but I can usually remember most of the details if anyone ever needs advise on repairs.

I personally have two AEA 520's, a 515 and a 620 power amp.

If anyone has any of the other AEA models I would be interested in purchasing them if they are in cosmetic good condition.

Alos, if anyone needs technical info about AEA equipment they can email me directly at: ken at kenleonard .com

Ken
 

New member
Username: Glerler01

Post Number: 1
Registered: Nov-14
I have both a AEA 520 Pre-amp and AEA 515 head amp. Both in excellent condition. Where working when I retired them. Pre-amp has the silver front and clear top and the head amp is a black front. Unsure on value. Found this site looking for information on them. I know someone would appreciate them.
 

New member
Username: Ken_leonard

San Mateo, CALIFORNIA United States

Post Number: 1
Registered: Nov-16
AEA was restarted last year by it's original founders.

We offer FREE repairs on ALL of the original AEA equipment, including the AEA 520 preamp, the AEA 515 moving coil pre-preamp, The AEA 620, 615 and 610 power amps.

Our website is AEAaudio.com or anyone can email me directly at ken@aeaaudio.com for information on vintage Analog Engineering Associates (AEA) equipment, including the professional recording studio line of mixing consoles and audio distribution amplifiers.

Thanks,

Ken Leonard
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