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I have to look at a schematic of your first but am guessing that like my it uses a muting relay and so doesn’t suffer from the issues that muting transistors give.

Your name or email address: Hi onanysunday, I have a DCD and have done a full recap and replaced the op-amps. 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 indeed need some burn-in time to sound their best. RickeyMNov 24, A simple bypass will work on any multibit-player like the Denons, but might not be a sucsess on 1-bit players.

We use PayPal because it is a secure payment provider. 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. One can always re-install the original op-amp without a lot of work if one isn’t happy datssheet the results of an op-amp swap.

Seems like datasheett 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 And I am concerned that changing an xatasheet in the digital section might require re-calibrating tracking, focus etc and I don’t have the tools or experience to do that. Bratwurst7sDec 1, Our Business Hours Are: While your is different internally there are many similaritys and what I’ve done will be applicable to your player.


For instance, can I swap out my clock to a faster one without having to change anything else relating to the clock?

(Datasheet) CC pdf – UPCC (1-page)

The op-amps in the digital section are being used for different functions than in the analog section and there is no need to change them AFAIK. DaveVoorhisDec 1, DIY’er, putting their own personal interests or risk to their own stuff on the table, are a different matter. This is the sort of thing I am curious about. I used to scoff at the idea of “op-amp burn-in”. I kept the Nichicons in there because I liked how they sounded.

We use USPS for our shipping and include delivery confirmation for tracking. 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 datashedt a DCD,and C5470c bass and mid-bass fills in, and everything just gets more clear, clean and butter smooth. The player sounds much datashheet than when I started.

CC Datasheet NEC pdf data sheet FREE from

I have only replaced op-amps in the analog sections of the players. You do not need to create an account with them to use their service. Not an EE, just speaking from my experience.


We are strictly an on-line datashet and have no walk-in store front. I am wondering if any specific component upgrades can simply be done in isolation by themselves.

Unable to afford expensive aftermarket power vatasheet, I bought inexpensive brass bladed extension cord replacement plugs from Home Depot and polished up the blades.

You have to give them some time.

C4570C Dual Ultra-Low Noise Wideband Op Amp

Swapping the output opamp, or the passive components in the reconstruction filter, could conceivably make some audible improvement, but it’s unlikely. Then I decided to put sockets in the BA filter positions with the thought that Dataasheet could use them, or replace them relatively easily.

In the mean time here is what I was doing before I got thesome of it will be useful to you. Changing the clock frequency will result in a dead player; replacing the clock with a lower jitter unit is sometimes a thing but it’s debatable whether it would have an audible effect or not. I first tried Silmics and then Nichicons. You need to see this to believe it. Welcome c4570 Surplus Electronics Sales! See our “Shipping and Returns Page” for more information.