I share this opinion and I'd like bring an precision:
I preconize the LME 49720HA dual OpAmp because it seems to me this aluminium shield do it a better magnetic field protection and higher definition throughout the spectrum.
I have the following opamps with me. NE5532, OPA2134, LME49720, JRC2114, JRC2068, TL072 and a few more. I spent a lot of time today rolling chips in the DAC7 . I found the best overall was using Texas NE5532 in all 3 op amp sockets. The sound is punchy, deep and very good in vocals and HF. LME seems to be slightly more refined in the mids and Hf but it lost all the 'weight'. Sounds lifeless ! With the Texas NE5532 it sounds alive and has a foot tapping quality which I think is due to the the proper reproduction of transients and the LF fundamental content of the signal.
Sounds very nice now.
It is however ruined by the noisy 'ssshhh' sound you get if you skip tracks and when the disc starts. It's momentary and occurs only when the player function is changed or disc started. I haven't looked into that yet.
Sounds very nice now.
It is however ruined by the noisy 'ssshhh' sound you get if you skip tracks and when the disc starts. It's momentary and occurs only when the player function is changed or disc started. I haven't looked into that yet.
Let me tell You, there's only 1 opamp the best there is: the OPA627! I've trief every opamp cheaper than the OPA627, but in this case the truth is, the most expensive is the best one....
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