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Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ.

Re: opamp NE5532AN upgrade?

My personal favorites are Analog Devices OP249GP or AD712. The OP249GP is similar to the AD712 but with increased drive characteristics. However, I have just updated my Sony ES CDP with LC Audio's AD825 modules and they sound fantastic but are not inexpensive as they take two AD825 op amps(which are only available as a singles not a dual) and assemble them on a small glass-epoxy board complete with silver mica bypass caps and the appropriate dip header to be soldered or plugged into your board if your chips are socketed. The AD825 is an excellent sounding op amp IMHO. I was quite impressed with the sonics. Very analogue-like in my CDP. Worth the cost of admission.


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