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Old 27th September 2016
Originally Posted by surflounge View Post
Can I use your TD-1 Passive Mono DI plugged into the line inputs of my Sound Devices 633? Or does it need the mic inputs? Love to purchase your passive DI box for use with the line inputs on the SD 633 and keep it's mic inputs available for microphones needing phantom power.
Thank you and keep up the great work
Depends on the signal source you're plugging in to. Direct boxes are primarily impedance matching devices and do not provide gain in the way that a preamp does. If you are using a keyboard with a relatively high output level you will probably be fine connecting through our DI straight to your line inputs. On the other end, a low-level acoustic guitar pickup will definitely need the gain from a mic input.

Thanks for your question and the support!