[sdiy] The TL072

[Altitude]

I would put that at "highly likely".  It is not anything specific like 60
cycle, just a poor snr 

-----Original Message-----
From: Tony Rolando [mailto:tony at makenoisemusic.com] 
Sent: Friday, February 20, 2009 12:13 PM
To: Altitude
Cc: 'Synth DIY'
Subject: Re: [sdiy] The TL072

Are you asking about the 9090 diy 909 clone? Is it possible the noise is
coming from further upstream? I

Tony

Altitude wrote:
> Thanks Paul,
>   To clarify about my application: I am trying to clean up some of the 
> noise on the mixer of my 9090 and the schems call for a TL072 part.  
> Is the OP275GPZ a drop in replacement?
>
> -----Original Message-----
> From: Paul Schreiber [mailto:synth1 at airmail.net]
> Sent: Friday, February 20, 2009 11:31 AM
> To: Altitude; 'Synth DIY'
> Subject: Re: [sdiy] The TL072
>
> TL072ACP
>
> A *much* better part is the OP275GPZ.
>
> Paul S.
>
>
> ----- Original Message -----
> From: "Altitude" <altitude at optrand.com>
> To: "'Synth DIY'" <synth-diy at dropmix.xs4all.nl>
> Sent: Friday, February 20, 2009 10:07 AM
> Subject: [sdiy] The TL072
>
>
>   
>> I have seen so many variants of this op amp. Which is the best, low 
>> noise version for audio applications (i.e. summing amp)?
>>
>> Cheers.
>> Raph
>>
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>
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