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Your cart is empty. Soaying Typical Offset voltage: 100 µV
Quiescent current draw: 3.5 mA (each channel)
Dimensions (L x W x H): 10 x 10 x 5 mm
Colour:silver
Material:Metal
Package Contents:
1 * Oracle II 02 Dual Op Amp
Only the above package content, other products are not included.
Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
Bernd W. Herrmann
Reviewed in the United States on April 21, 2024
I want to say right from the beginning of this review, that I purchased 6 of these Oracell Op Amps from a different vendor (this being way before Amazon had them for sale) - purchasing them because of their ridiculously low price. I've tried them out now in 4 different class D amps, along with a few DAC's.Because I've used quite a few different Op Amps over the past few years - both discrete (more expensive) and IC-based - I can easily state that these Oracell Op Amps pale in comparison. When using the in all the components I listed above, they had a tendency to both alter the sound to the point that the output quality levels were quite dull and uninspiring, depending on the amplifer they were inserted into. At first I thought it must be ears, and I triple checked all connections, etc. But the problem was still there. I even allowed the amps to stay on for up to a week (without turning them off), in order for the Oracell Op Amps to warm-up/break-in. But all to no avail, as the resultant sound was dull, uninspiring, and in one particular case (with the Aiyima A07), a bit dull and steely sounding.Again, having tried a variety of discrete Op Amps - all of which cost anywhere from 4x to 6x the cost of these Asian-made Oracell units - I can accurately state that the Oracell is a massive step down. In other words, you get what you pay for here. Like many folks, I used to always look for the least expensive option - after all, isn't that the logical thing to do for we bargain seekers? However, with the Oracells, the musical performances I listened to, became quite disappointing. In the end, I removed the Oracells and returned back to using either the Sparkos Labs versions or the Burson varieties.Amps that I used these in were the:Aiyima A07Aiyima AO7 MaxFosi V3Fosi ZA3FX-Audio DO1 Pro DACFS-Audio DAC 6 Mk II
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