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Quantity
1
This kit contains all components necessary to build a RED-25 opamp. This is without a doubt the simplest discrete opamp kit available on the market today. All the heavy lifting is done for you, courtesy of the pre-mounted SMT components.
Th...
Reviews
4.7
16 ratings
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1
bright and crisp
Much brighter than the CAPI CA0252. Could have its uses. Bought as a spare. The quality and build is superb.
C
Cen · 5 days ago
Great first opamp build
Good starting point in terms of build and opamp sonics. Compared to everything else I have the RED-25 sits in a goldilocks zone of speed, clarity, and saturation. There is definitely an upper mid emphasis, but it reads as added articulation versus harshness. A great replacement that can do it all!
J
John · April 6, 2026
A nice API 2520 compatible plugin!
Quick build, used in the CTX MKII and a great fit for API2520 compatible boards. For example, the RED-25 fits well in one of the API tone slots in the Warm Audio Tone Beast 12 (TB12).