Frank's Ultimate Tube Preamp.

jam · 6th March 2003, 02:27 AM

This thread is for a new preamp by our fellow forum member Frank aka. Mr.Tube.

I hope there will be a good exchange of ideas and arrive with a design we could build.

The floor is all yours Frank.

Jam

P.S. The preamp is going to be called Franken Tube for obvious reasons.

PassFan · 6th March 2003, 02:56 AM

Is this something that's going to happen or are you trying to talk him into it?

jam · 6th March 2003, 03:05 AM

I hope something is going to happen, see shunt vs series feedback thread.

Jam

fdegrove · 6th March 2003, 03:13 AM

Hi,

Let's just say that at this point we'll give it our best shot?

Shall we say that for now I see it as an open invitation to all to input their thoughts on active preamps...

Everyone is welcome I would think?

So, to get constructive...we are going to need some good volume control, a good low Zo PSU and the ability to drive any awkward load, balanced or not.

So far, we can manage that...

Cheers,

fdegrove · 6th March 2003, 11:02 PM

Hi,

Does anyone object against a preamp that has no gain, would be an active buffer preceded by a stepped volcontrol?

The PSU would be a series regulated supply, dual mono.

Let me know what you think.

Cheers,

/Je zus.

Tube_Dude · 6th March 2003, 11:05 PM

Hi fedgroov

For me with todays sources...more than a pot and a buffer...is overkill ...

Jorge

fdegrove · 6th March 2003, 11:20 PM

Hi,

Quote:

For me with todays sources...more than a pot and a buffer...is overkill ...

O.K. so, someone agrees...Jam?

Cheers,

jam · 7th March 2003, 12:22 AM

Frank,

Sounds good to me but what if someone wants a little bit of gain say 6db.

Jam

fdegrove · 7th March 2003, 12:59 AM

Hi,

Quote:

Sounds good to me but what if someone wants a little bit of gain say 6db.

To burn it off somewhere else? Don't know about that but I figure that if you need gain from a line stage we could complicate things.

For the record, I don't need any preamp with gain other than my phono pre, if however, I can help anyone with a preamp we could make one with or without gain.
I feel that the idea about gain is wrong in that what you need is drive capability, not voltage gain as such.

Still, I'm listening to hear your needs,

jam · 7th March 2003, 01:15 AM

Frank,

You might be right. Let it be a buffer then.

Let Franken Tube begin..........

Regards,

Jam

6th March 2003, 02:27 AM	#1
jam diyAudio Member Join Date: May 2001 Location: Charlotte,NC,USA	Frank's Ulitimate Tube Preamp. This thread is for a new preamp by our fellow forum member Frank aka. Mr.Tube. I hope there will be a good exchange of ideas and arrive with a design we could build. The floor is all yours Frank. Jam P.S. The preamp is going to be called Franken Tube for obvious reasons.

6th March 2003, 03:13 AM	#4
fdegrove diyAudio Senior Member Join Date: Aug 2002 Location: Belgium	PREAMP. Hi, Let's just say that at this point we'll give it our best shot? Shall we say that for now I see it as an open invitation to all to input their thoughts on active preamps... Everyone is welcome I would think? So, to get constructive...we are going to need some good volume control, a good low Zo PSU and the ability to drive any awkward load, balanced or not. So far, we can manage that... Cheers, __________________ Frank

6th March 2003, 11:02 PM	#5
fdegrove diyAudio Senior Member Join Date: Aug 2002 Location: Belgium	MIJN KLOMPJES... Hi, Does anyone object against a preamp that has no gain, would be an active buffer preceded by a stepped volcontrol? The PSU would be a series regulated supply, dual mono. Let me know what you think. Cheers, /Je zus. __________________ Frank

6th March 2003, 11:05 PM	#6
Tube_Dude diyAudio Member Join Date: Mar 2002 Location: Aveiro-Portugal	Less is more!! Hi fedgroov For me with todays sources...more than a pot and a buffer...is overkill ... Jorge

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6th March 2003, 02:56 AM	#2
PassFan diyAudio Member Join Date: Aug 2001 Location: Central FL	Is this something that's going to happen or are you trying to talk him into it?

6th March 2003, 03:05 AM	#3
jam diyAudio Member Join Date: May 2001 Location: Charlotte,NC,USA	I hope something is going to happen, see shunt vs series feedback thread. Jam

7th March 2003, 12:22 AM	#8
jam diyAudio Member Join Date: May 2001 Location: Charlotte,NC,USA	Frank, Sounds good to me but what if someone wants a little bit of gain say 6db. Jam

7th March 2003, 01:15 AM	#10
jam diyAudio Member Join Date: May 2001 Location: Charlotte,NC,USA	Frank, You might be right. Let it be a buffer then. Let Franken Tube begin.......... Regards, Jam

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