Red-Eye
Musical Instrument PreamplifierTM

A simple and effective direct-connect tool for musicians.
Designed with guidance from serious musicians.


Red-Eye Preamplifier
Created by Fire-Eye Development, Inc.

A young Austin Symphony violinist named Leah had trouble connecting her violin to the sound systems of music clubs when sitting in with local Austin bands. The Baggs-equipped violin sounded strange when she plugged it in to each club's DI, not anything like the beautiful tone her instrument could produce. I volunteered to shop around and buy her a good preamp. She wanted a single box with a Solo Boost Button that would match the instrument pickup, and she wanted it to fit in her violin case. I couldn't find such a thing in the music stores, so I made her one.

-- Daren Appelt, Electronics Engineer
Red-Eye Data Sheet



Red-Eye Twin
Musical Instrument PreamplifierTM

A simple and effective direct-connect tool for musicians that play two instruments on stage.
Designed with guidance from serious musicians.



Red-Eye Twin Preamplifier
Created by Fire-Eye Development, Inc.

An Austin musician named Marvin plays both acoustic guitar and mandolin on stage and had difficulty switching instruments when running two separate Red-Eye setups. It also used up two XLR inputs on mix boards, and he had to swap his tuner around. When he swapped instruments, sometimes the unused instrument would be set down too close to a monitor and would cause feedback. He asked if I could make him a preamp that would make playing two instruments a bit less frustrating. So I made him the first "Twin".

-- Daren Appelt, Electronics Engineer
Red-Eye Twin Data Sheet




Dee-Eye
Musical Instrument PreamplifierTM

A simple direct-connect tool (DI) for musicians and club sound technicians.
Designed with guidance from audio technicians and musicians.



Dee-Eye Preamplifier
Created by Fire-Eye Development, Inc.

Music venue sound technicians kept asking for a simple Red-Eye Preamp without the Boost and Treble controls, but with the same high input-impedance and clean tone as the original. They asked that it use Phantom Power from the mixboard and no battery. So I made the Dee-Eye for them.

-- Daren Appelt, Electronics Engineer
Dee-Eye Data Sheet


Fire-Eye is a Trademark of Fire-Eye Development, Inc.
Red-Eye Musical Instrument Preamplifier is a Trademark of Fire-Eye Development, Inc.
Red-Eye Twin Musical Instrument Preamplifier is a Trademark of Fire-Eye Development, Inc.
Dee-Eye Musical Instrument Preamplifier is a Trademark of Fire-Eye Development, Inc.

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