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Analog Line Level Preamplifiers , Passive Pre-amps, Crossovers, etc.

Chris Daley's Stereo Coffee Preamp
Chris Daley's Stereo Coffee Preamp
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Old Yesterday, 11:49 PM   #111
Burnedfingers is offline Burnedfingers  United States
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Sorry, I don't buy it.

Still has no effect on the audio portion of the circuit in my opinion. If an engineer wants to step in here I'm willing to listen. I've read a lot of stuff from people wanting to sell a product before. What I'm hearing about a supposed difference between the performance or your product such as increased bass as a result of this different "circuit" is very questionable. Its a simple circuit I'm not an engineer but I've done quite a bit in 40+ years however I'm not ready to consider this circuit any different than several others out there.

Last edited by Burnedfingers; Yesterday at 11:55 PM.
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Old Yesterday, 11:55 PM   #112
scottjoplin is offline scottjoplin  Wales
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Don't buy what? What did he actually say?
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Old Yesterday, 11:56 PM   #113
Chris Daly is offline Chris Daly  Australia
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This is where it gets interesting with LDR's . You need to hear what they do.
Stereo Coffee preamp compared to Lightspeed Attenuator
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Old Today, 12:15 AM   #114
Chris Daly is offline Chris Daly  Australia
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Quote:
Originally Posted by Burnedfingers View Post
Sorry, I don't buy it.

Still has no effect on the audio portion of the circuit in my opinion. If an engineer wants to step in here I'm willing to listen. I've read a lot of stuff from people wanting to sell a product before. What I'm hearing about a supposed difference between the performance or your product such as increased bass as a result of this different "circuit" is very questionable. Its a simple circuit I'm not an engineer but I've done quite a bit in 40+ years however I'm not ready to consider this circuit any different than several others out there.
But have you heard one LDR vs another vs other passives ? as I think it would be a pity to resign your interest without even hearing them.

I wish it was a simple circuit but its plainly not a simple circuit, is the basic answer. With over 40 active components 6 resistors, and three capacitors each have been carefully tailored to do what they do with many carefully chosen component choices, all related to audio result.

On occasion I have de constructed sections to see if can be done more simply and every time it guides me back to the same or very similar layout.
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Old Today, 03:31 AM   #115
Chris Daly is offline Chris Daly  Australia
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Join Date: Sep 2004
Location: New Zealand
Quote:
Originally Posted by Burnedfingers View Post
Sorry, I don't buy it.

Still has no effect on the audio portion of the circuit in my opinion. If an engineer wants to step in here I'm willing to listen. I've read a lot of stuff from people wanting to sell a product before. What I'm hearing about a supposed difference between the performance or your product such as increased bass as a result of this different "circuit" is very questionable. Its a simple circuit I'm not an engineer but I've done quite a bit in 40+ years however I'm not ready to consider this circuit any different than several others out there.
As for an engineer stepping in, I designed the circuit. Can you honestly think of anyone better to be discussing this with ?
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