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Royer Labs R-DB22 dBooster2 Dual-Channel In-Line Signal Booster with DIs
EAN: 008500359000
Purpose-built for transparently raising gain before your mic preamps, the Royer R-DB22 dBooster2 provides two independent channels that can serve as signal boosters for ribbon/dynamic microphones or quality DIs for Hi-Z instruments such as electric guitar or bass. With Class-A input circuitry and switchable gain boost-up to +20 dB in mic mode or up to +8 dB in Hi-Z mode-the dBooster2 delivers increased headroom at your mic pre without inducing distortion or noise.
Features
Benefits
I/O
EAN: 008500359000
Purpose-built for transparently raising gain before your mic preamps, the Royer R-DB22 dBooster2 provides two independent channels that can serve as signal boosters for ribbon/dynamic microphones or quality DIs for Hi-Z instruments such as electric guitar or bass. With Class-A input circuitry and switchable gain boost-up to +20 dB in mic mode or up to +8 dB in Hi-Z mode-the dBooster2 delivers increased headroom at your mic pre without inducing distortion or noise.
The sturdy, road-ready enclosure houses two locking combo inputs and two balanced XLR mic-level outputs. Even though the dBooster2 runs on 48V phantom power, the phantom power is blocked from the inputs, making it safe to use with all ribbon mics. The low-impedance output can handle challenging loads and drive long cable runs without compromising sonic performance.
Recommended Applications
- Miking any low-volume sound source such as acoustic instruments and vocals
- Recording direct to a DAW interface
- Use on long cable runs to retain sound quality
- DI for direct electric guitar, electric bass, and other electronic instruments
Features
- Mic input mode with +12 or +20 dB of gain
- Hi-Z guitar input mode with +0 or +8 dB of gain
- High input impedance
- Low output impedance
- Rugged case construction
- Ultralow noise and distortion
- Wide frequency bandwidth
- Runs on 48V phantom power
Benefits
- Safe for use on all ribbon mics
- Increases headroom at the preamp
- Provides true electrical isolation
- Protects ribbon mics from phantom power
- Minimizes mic loading
- Capable of driving difficult loads such as mic splitters and vintage-style preamps without increased distortion or loss of gain
I/O
- Two locking XLR-1/4 combo jacks for balanced mic input or unbalanced Hi-Z input
- Two balanced XLR 3-pin mic-level outputs
Royer Labs R-DB22 Specs
General
| In-Line Accessory Type | Preamplifier |
| Input / Output Level | Input: Mic/Hi-Z Level Output: Mic Level |
| Number of Channels | 2 |
| Gain | +12.0 / +20 dB (Selectable) |
| Controls | 2 x Input Level/Gain |
| Indicators | None |
Connectivity
| Inputs/Outputs | 2 x Combo XLR-1/4" TS Female Balanced/Unbalanced Mic/Hi-Z Input 2 x XLR 3-Pin Male Balanced Mic Output |
Performance
| Frequency Response | 20 Hz to 20 kHz ±0.25 dB |
| Impedance | XLR Input: 3.6 Kilohms (Balanced) 1/4" Input: 270 Kilohms (Unbalanced) XLR Output: 300 Ohms (Balanced, at 20 dB) |
| Headroom | +127 dB |
| Noise | Self Noise: < 11 dBA (High Gain) < 15 dBA (Low Gain) |
| THD+N | 0.0015% (High Gain) 0.001% (Low Gain) |
Power
| Operating Voltage | 48 V (Phantom Power) |
| Operating Current Consumption | 7.5 mA |
Physical
| Dimensions | 3.88 x 3.88 x 1.75" / 9.86 x 9.86 x 4.45 cm |
| Weight | 10.2 oz / 289 g |
Packaging Info
| Package Weight | 0.91 lb |
| Box Dimensions (LxWxH) | 6.5 x 6.4 x 3.7" |
In the Box
- Royer Labs R-DB22 dBooster2 Dual-Channel In-Line Signal Booster with DIs
- 2-Year Manufacturer Warranty
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