Ampex 351 Preamp Modification Info!

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bigfatchampion wrote:hey greg,

i wanted to know if you have any schematics for the power supplies you built for EA 351's? i'm just getting started on the mod and i'm trying to gather as much info before i start.

thanks

We use the original design with bad parts replaced. If your talking phantom power, I assume you could monkey rig a regulated supply off the high voltage. I haven't done that though.
Greg Norman FG

Ampex 351 Preamp Modification Info!

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How much did you/would you pay for it? Not modified, in good conditions.

I've found one here in Italy which i would like to put my hands on but i don't want to end with an overpriced thing which i don't know when i will have the time to mod and probably i will use it for a long time unmodded.

It's 1K EU (1K550 USD).

Thanks!

edit: me fucked! I didn't want to reply to this thread, i wanted to start my own, sorry.

Ampex 351 Preamp Modification Info!

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omaroski wrote:How much did you/would you pay for it? Not modified, in good conditions.

I've found one here in Italy which i would like to put my hands on but i don't want to end with an overpriced thing which i don't know when i will have the time to mod and probably i will use it for a long time unmodded.

It's 1K EU (1K550 USD).

Thanks!

edit: me fucked! I didn't want to reply to this thread, i wanted to start my own, sorry.


Wow that seems like a lot for a pre that's not that useful. I mean it has it's purposes but still it's a one trick pony.
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Ampex 351 Preamp Modification Info!

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I don't think I'd pay more than $700 for an unmodified unit. To be honest, I bought the batch of them that started this whole project because I got them real cheap -- like $200 bucks cheap. If they weren't cheap I wouldn't have bothered. I'm glad I did, and they're great and everything, but unless you've tried them and liked them, I wouldn't stretch too far.
steve albini
Electrical Audio
sa at electrical dot com
Quicumque quattuor feles possidet insanus est.

Ampex 351 Preamp Modification Info!

65
omaroski wrote:How much did you/would you pay for it? Not modified, in good conditions.

I've found one here in Italy which i would like to put my hands on but i don't want to end with an overpriced thing which i don't know when i will have the time to mod and probably i will use it for a long time unmodded.

It's 1K EU (1K550 USD).

Thanks!

edit: me fucked! I didn't want to reply to this thread, i wanted to start my own, sorry.

Is it a fully functioning tape machine, in wonderful condition?
If they are selling it as a "preamp" don't buy it. ...knowing what it takes to make them into reliable studio preamps, I wouldn't pay anything over $150US for one in great condition. They are selling hype right there.
Greg Norman FG

Ampex 351 Preamp Modification Info!

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steve wrote:I don't think I'd pay more than $700 for an unmodified unit. To be honest, I bought the batch of them that started this whole project because I got them real cheap -- like $200 bucks cheap. If they weren't cheap I wouldn't have bothered. I'm glad I did, and they're great and everything, but unless you've tried them and liked them, I wouldn't stretch too far.


Yet another trend you've started.

You trend setter.
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Ampex 351 Preamp Modification Info!

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Is it a fully functioning tape machine, in wonderful condition?


Uh sorry i forgot to say it's just a single preamp there.


unless you've tried them and liked them, I wouldn't stretch too far.


I have the chance to try it but the seller would not lower the price so i guess i will not even go to test.

Wow that seems like a lot for a pre that's not that useful

I don't expect to get them at 150-200 USD. Here a bit of overpricing is allowed for such items, but ten times more is too much.

Thank you all of you

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