Radial Engineering Firefly Single-Channel Active Tube Direct Box
Model: R800 2020
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Specifications
Packaging Info
Package Weight | 6.65 lb |
Box Dimensions (LxWxH) | 13.6 x 8.8 x 4.7" |
General Information
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 |
Type | Audio circuit type: 100% discrete class-A FET with tube drive |
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) |
Frequency Response | 20 Hz to 20 kHz |
Input Connections | 2x Hi-Z 1/4" connectors, selectable A or B |
- 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
- Radial Engineering Firefly Single-Channel Active Tube Direct Box
- Power Cable
- Limited 3-Year Warranty