![Radial Engineering Firefly Tube DI, 2 Inputs, Class-A,12Ax7 Tube Drive, Transformer Isolated Output | Full Compass Systems Radial Engineering Firefly Tube DI, 2 Inputs, Class-A,12Ax7 Tube Drive, Transformer Isolated Output | Full Compass Systems](https://www.fullcompass.com/common/products/original/345691.jpg)
Radial Engineering Firefly Tube DI, 2 Inputs, Class-A,12Ax7 Tube Drive, Transformer Isolated Output | Full Compass Systems
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Amazon.com: Radial Engineering Firefly Tube DI, dual input w/ class-A front end and transformer isolated output : Musical Instruments
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