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You can contact us at or by using the “Contact Us” link. And I am concerned that changing an op-amp in the digital section might require re-calibrating tracking, focus etc and I don’t c4570v the tools or experience to do that. Share This Page Tweet.
Bratwurst7sNov 30, Seems like one of the better options is to start by replacing the opamp s I will check what’s in there right now to see if this could be improved by an LM What I didn’t expect was that the low end had a slightly deeper, more powerful sound to it.
Do you already have an account? You need to see this to believe it. It would be kind of fun to solder in a socket so I could easily experiment with other opamps in the future for comparison. Responsive Zen cart templates by Picaflor Azul. This is the sort of thing I am curious about. Give them hours and the grin factor will go way up into the green zone on your fun-meter.
You have a fine CD player there. He said that in the applications non audio where he is using op-amps the parallel 0. SoundOfSoundNov 26, Don’t judge them by what you hear when you first install them. I don’t know about Denons but the Sonys seemed to be sensitive to power delivery. DaveVoorhisDec 1, It’s a good quality scan and the schematic is in color showing the signal path s and supply voltage path s.
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SoundOfSound dwtasheet, Nov 24, As I didn’t know if they could be replaced, or even if replacing them would help, at first I left them in after replacing all 6 of the op-amps in the signal path 3 per channel. This was done after an Op-amp swap LM I kept the Nichicons in there because I liked how they sounded. No, create an account now.
(PDF) C4570C Datasheet download
You must log in or sign up to reply here. I don’t know what Op-amps Denon has in your unit but the swap to LM’s was a definite, across the board improvement in my player. A simple bypass will work on any multibit-player like the Denons, but might not be a sucsess on 1-bit players. Unable to afford expensive aftermarket power plugs, I bought c4570x brass bladed extension cord replacement plugs from Home Depot and polished up the blades.
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What about a straight mains cable replacement to a thicker gauge, better insulated power cord, would that really do anything? Best to leave them as is imho. But after first swapping op-amps in my PC sound card and now 10 cd players, I am firmly in the belief that these op-amps do dataaheet need some burn-in time to sound their best.
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Your short message goes here. Give me a week or so and I’ll look through the schematic and give you some recommendations as to re-capping based on what I’ve done with a DCD,and Would I need to change anything else if just replacing the opamp, or would it just be a straight swap plug n’ play? Swapping the output opamp, or the passive components in the reconstruction filter, could conceivably make some audible improvement, but it’s unlikely.
You have to give them some time. Only thing is that I’m kinda maxed out at the moment and will need a few days to a week to properly reply to your questions. Maybe due to the better conductivity of the brass over the stock nickel-plated plug?
It is an excellent choice for pre-amplifiers and active filters in audio, instrumentation, and communication circuits. Bratwurst7sNov 25, Welcome to Surplus Electronics Sales! Our time zone is Eastern Standard Time We appreciate your interest in our products and would like thank all of our customers for our continued success.
Bells, Buzzers and Sirens. HypnoToad suggested it as a way to reduce oscillation and I tried it. I have only replaced op-amps in the analog sections of the players.