Projects > Whistle Rock Audio ML2520 Discrete Opamp
The ML2520 is Whistle Rock Audio’s version of the classic API discrete opamp (DOA). According to the creator, the DOA has improved with each revision and is currently on rev 3.
Images courtesy of Whistle Rock Audio
- Based on the 2520 discrete opamp
- Kit includes matched BC550C transistors
- Pre-assembled DOAs available
- Full assembly manual
Price: $17 for full kit
Category: Discrete Opamp
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