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Radial Engineering Firefly Single-Channel Active Tube Direct Box

B&H # RAFIREFLY Mfr # R800 2020
Usually ships in 7-10 business days

Availability Details

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This is a special order item and is non-cancelable and non-returnable. Est. arrival at B&H is 7-10 business days (subject to availability). Your order will be charged at time of shipment.

International Orders*
For international orders, credit cards will be charged at time you place your order.

Free Standard Shipping
Not eligible for free Expedited Shipping
You Pay: $599.99
Product Highlights
  • Class-A Front End & 12AX7 Tube Circuit
  • Two Inputs with Gain & A/B Switching
  • Variable High-Pass Filter
  • Balanced XLR & 1/4" Tuner & Aux Outs
  • Load Correction for Magnetic Pickups
  • Transformer Coupled Balanced Output
  • Optional Footpedal for A/B Switch & Mute

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
Type Audio circuit type: 100% discrete class-A FET with tube drive
Input Connections 2x Hi-Z 1/4" connectors, selectable A or B
Pad Yes, variable input pad
Output Connectors 1x balanced XLR
1x 1/4" Hi-Z buffered, pre or post tube & effects insert loop
Inserts Yes, 1/4" TRS insert loop, wired tip-send, ring-return
Polarity 180°
Ground Ground Lift: Pin-1 at the XLR
Gain 20 dB (Maximum)
Signal to Noise Ratio 85 dB @ +4 dB
Dynamic Range >100 dB
Controls 2x Trim Knobs
1x A/B Select Button
1x Drag On Button
1x Low Cut Knob
1x Level Knob
1x Load Adjust Terminal
1x Recessed Polarity Switch
1x Recessed Ground Lift Switch
1x Recessed Pre Switch
Mute Yes, on all outputs except Tuner (requires separately available JR2 footswitch)
Low Cut Filters Variable from 5 Hz to 500 Hz at -3 dB
Drag Control Yes, load correction for magnetic pickups
Frequency Response 20 Hz to 20 kHz
Noise Floor -98 dB at unity gain
Equivalent Input Noise -101 dB
Maximum Input Variable from -12 dB to +20 dB
Total Harmonic Distortion 0.15% from 20 Hz to 20 kHz
Intermodulation Distortion 0.3%
Input Impedance Drag On: Variable 22k to 500k
Drag Off: 3.9 meg-Ω
Output Impedance 150Ω (nominal)
Power 5-pin XLR, +/-16V & 48V, 1600mA
Specialties 12AX7 Tube drive circuit
Dimensions Without handle:
5.75 x 8.25 x 1.75" (146 x 210 x 45 mm)
With handle:
5.75 x 8.25 x 2.75" (146 x 210 x 70 mm)
Weight 3.95 lb (1.80 kg)
Radial Engineering Firefly Single-Channel Active Tube Direct Box
  • Power Cable
  • Limited 3-Year Warranty
  • Kopul -  Studio Elite 4000 Series XLR M to XLR F Microphone Cable - 6' (1.8 m), Black
    • You Pay: $17.99
     

    Remote Controls

    Radial Engineering -  JR-2 Remote Control Footswitch
    • You Pay: $99.99
    Usually ships in 7-10 business days i This is a special order item and is non-cancelable and non-returnable. Est. arrival at B&H is 7-10 business days (subject to availability). Your order will be charged at time of shipment.
     

    Cases & Protection

    Pelican -  1200 Case with Foam (Black)
    • You Pay: $38.95
     

    Rack Accessories

    Radial Engineering -  Rack Mount Adapter for Firefly Direct Box
    • You Pay: $59.99
    Usually ships in 7-10 business days i This is a special order item and is non-cancelable and non-returnable. Est. arrival at B&H is 7-10 business days (subject to availability). Your order will be charged at time of shipment.
     
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