Orders placed after 4pm on weekdays will not ship until the next business day. Orders placed after 12pm Fridays will not ship until the following Monday.
Faster shipping methods may be available; just upgrade during checkout.
*Some exclusions apply.
Enter new zip code to refresh estimated delivery time.
The Firefly from Radial Engineering is a single-channel active direct box that features a Class-A front end, and a 12AX7 tube stage to add warmth. A variable low-cut knob enables you to optimize the sound of a variety of instruments, such as electric and acoustic basses, electric and acoustic guitars, mandolins, viola, and more. The Firefly features two 1/4" Hi-Z inputs with independent Trim knobs, and it's possible to connect both active and passive instruments. A "Drag Control" terminal gives you the ability to adjust the load correction so you can get the best tone from a magnetic pickups.
A button on the front panel enables you to switch between the A and B inputs
The separately available JR2 footpedal makes it possible to switch inputs with your feet, and mute the outputs
The dedicated 1/4" Tuner output stays active when muted
The Aux 1/4" output can be set to Pre or Post: Pre sends a clean signal directly from the instrument, Post applies both the tube and Insert loop effects
The 1/4" Insert jack makes it possible for both connected instruments to share the same effects pedals
The balanced XLR output is transformer coupled to eliminate hum and noise
A handle is provided which can be removed for rack mounting
The front knobs are protected by upper and lower protruding metal edges
In the Box
Radial Engineering Firefly Single-Channel Active Tube Direct Box
Limited 3-Year Warranty
Table of Contents
Show moreShow less
Audio circuit type: 100% discrete class-A FET with tube drive
2x Hi-Z 1/4" connectors, selectable A or B
Yes, variable input pad
1x balanced XLR
1x 1/4" Hi-Z buffered, pre or post tube & effects insert loop