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We use that silicon based polish - I'd never heard of this "silicon migration" until one morning I woke up and a USB DAC had mutated behind the sofa ... :)

Ken

I've just done the very same thing on a linear I have just built (not for a Beresford though). Only difference is that I have wired directly to the regulator output and run the screened cable through...

Yeah, but he said he was not equipped for soldering...:(

BTW, who sells Browndog adapters in the UK?

Ken

Peter, Take a look at:

http://cimarrontechnology.com/pre-mountedcomponents.aspx

They have some of the more exotic opamps (single and double SOIC) pre-mounted on adapters. Some are not exactly...

Good luck on that - I'll look forward to your findings.

Ken

As Leo says, you will have fun playing... But specs aren't everything - The humble NE5532 can sound very good and is well down the spec sheet. In my experience of opamp rolling the LM4562 (plastic or...

OK Leo, cheers for that mate - I'll pick up a couple next time i'm passing.

I'm doing this mod for convenience only, not for any sonic gain.

Ken

I have been thinking of doing the same thing with BNC's - Can you tell me please Leo, what part have you used (and where from)? It seems to fit very well.

Here is my listening room setup - Squeezebox is feeding TC-7520 coax input 1, Sony CDP is feeding optical to input 3. USB is occasionally used from computer which is located off to the right of the...

That's true about the headphone pairing Stan. But I do seem to have hit a happy compromise with the AD826. I'll not say it's a "Jack of all trades" but for my K701's and HD600's it's pretty close. If...

Thanks mate, much appreciated.

Ken

The AD826 is my personal favorite for the Headphone position - I could not settle with the THS4032. I have a LM4562NA in the line-out position and this combination works just fine with K701 and HD600...

OK, Stan and Leo have covered the swapping of the DAC in another thread, and having tackled the job myself I can confirm that it is quite a tricky operation.

The IC's legs are 0.6mm between...

I think it could have been me who recommended the AD826.

My take on the Opamp and DAC upgrades is this:

1. The Wolfson WM8716 improves the 7520 significantly.

2. Whatever Opamp you choose...

Guys, Can we just clear this one thing - When talking about the 4562 - Do we mean the 4562NA (plastic enclosure) or the 4562HA (metal can) ?

Personally, I am running with the 4562NA in the...

Blimey, it's also a Porsche - With matching performance? - I think so...

Just noticed on AMB's site - An enhanced version of the γ1 has been announced - Called the γ1 "full++", it is the same γ1 but with a USB-to-S/PDIF converter. This requires a new case and some...

Rapid do a 5m A to B USB 2.0 (code 19-8664) for £3.36. Of course the inevitable Ebay list numerous 5m cables - Various combination of ends. The choice is yours...

Ken

Sounds good to me too - Or maybe TC-7520LE - If it is going to be just a Limited Edition...

I did try the AD826 before I swapped the DAC chip, but only for a short time. It certainly works better with the WM8716, but I think I would have kept the 826 even with the PCM1716, especially with...

Yep, that's the one.

Ken

You are spot on there Leo - Nothing quite like the experience of that first listen when you KNOW things are right :). And I've been there myself with the "not so successful" :(

Ken

The OPA627 now has a big brother - The OPA827 - Maybe you would like to try that?

Either way, you are better obtaining a pre-mounted pair of SOIC's on a single adapter like these here:
...

I'll look forward to that Leo. Yes indeed the y1 punches well above it's weight. I have been doing some pretty intensive comparison listening, the upshot of which is:
I'll be damned if I can tell...

I thought I would make an additional entry following the upgrade of my Beresford TC-7520. The upgrade was to swap the stock PCM1716 DAC chip to the Wolfson WM8716 DAC.

The comparison with the γ1...