A pair of genuine OPA627's, SOIC package, mounted to a BrownDog dual DIP adapter. This will fit in the space of and function the same as a standard dual opamp.The adapter had been soldered into an active crossover circuit and carefully removed, so there is still a thin film of solder on the pins, but it will easily fit into a socket or PCB. Opamps function perfectly and sound great, better than the 2134 and 4562 I compared them to, but not quite as good as the discretes that replaced them.
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