|
Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
|
|
|
Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
|
In Reply to: OPA1622 Dual Opamp on DIP 8 socket posted by Duster on August 11, 2018 at 01:10:47:
Image: OPA1622 DIP 8 op-amp indicating required orientation (very important to never plug an op-amp in backwards).
It only took 12 days for the OPA1622 DIP 8 op-amp to be delivered via SpeedPAK, which in my experience has been quicker than other economy shipping methods from Asia, with only getting used to the fact that tracking is not available via the USPS website. Tracking information is only available through SpeedPAK or eBay's tracking information retrieval service. Other than that, it's no different than any other USPS delivery service from Asia, with speedier package delivery, indeed.
The OPA1622 dual op-amp mounted on a DIP 8 adapter features a very tiny chip, which is amazingly small so it did not inspire much confidence in the notion of the op-amp providing a high-currant capacity for a headphone amplifier application, or for the analog outputs of a DAC for that matter. That said, my first impression was that the gain did seem to drop compared to the previous op-amp, but this was from the start without any burn-in, and as time went on, I discovered that the sense of reduced gain seemed to be due to a lowered-noise floor with more dynamic restraint rather than a less assertive characteristic in nature. In fact, by raising the volume level to compensate for the loss of a perceived loudness factor, the dynamics, inner detail, subtle ambient information, as well as tighter bass clearly came more into play from a subjective perspective. This is similar to other audio upgrades that provide a lowered noise floor, with a similar change in the sweet-spot when the dynamics of an audio playback system tends to really kick-in from a natural sounding POV at some point. The best analogy is that of a capacitor upgrade.
Most vital is how the soundstage and imaging seemed to be smaller scale when listened to at lower-volume levels, but when the volume knob was turned-up moderately, the sense of scale simply grew larger rather than additional tonal bloom in effect, since very solid images that involved real timbrel information is what was increased within the soundstage which expanded more as the gain was turned-up rather than more static soundstage boundaries regardless of how loud any given program material may be played. This aspect seems more like natural acoustics, which is one of the highest complements that audio gear can be given, IME.
As time progressed, and the new op-amp settled into the system, the inexpensive OPA1622 DIP 8 op-amp seemed to provide much of, if not as much as what is good about the Burson Audio V5i op-amp at a fraction of the price. I like it enough that I'll purchase more for other audio applications, since its performance-level strikes me as what I seek in an op-amp upgrade rather than rolling more op-amps, especially for the minimal cost involved.
See link:
This post is made possible by the generous support of people like you and our sponsors:
Follow Ups
- OPA1622 Dual Opamp on DIP 8 socket Report - Duster 15:50:50 08/26/18 (2)
- RE: OPA1622 Dual Opamp on DIP 8 socket Report - Davey 16:27:52 08/26/18 (1)
- RE: OPA1622 Dual Opamp on DIP 8 socket Report - Duster 17:48:57 08/26/18 (0)
Top of Page ]
[ Contact Us ]
[ Support/Wish List ]
[ Copyright © 2025, Audio Asylum, all rights reserved ]
