Royer R-DB20 dBooster - Inline Microphone Signal Booster (Needs Phantom Power)
Availability:
In StockAvailable for shipment within one business day, or pickup from our Jamaica, NY warehouse during regular business hours.
Description
The Royer model R-DB20 is a phantom-powered ribbon and dynamic microphone signal booster and impedance buffer. It increases the level of passive low-output ribbon and dynamic microphones with a minimum of distortion or coloration. Designed for profes- sional applications, the dBooster provides two levels of clean gain boost; 12dB and 20dB, selectable by a front panel switch. The dBooster maintains headroom and gain regardless of load.
The Class A input circuitry presents a high source impedance to the microphone, which minimizes loading (damping). This reduces coloration and distortion while at the same time improving headroom.
By utilizing the 12/20dB gain switch, optimum balance between gain and headroom can be achieved for a variety of uses.
The low-impedance output of the dBooster is an increased microphone-level signal that can drive a digital interface directly or a standard microphone preamplifier. It also minimizes signal loss on long cable runs.
Features:
- 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
Suggested Applications:
- Miking any low-volume sound source (acoustic instruments, vocals, etc.)
- Recording direct to a DAW interface
- Use on long cable runs to retain sound quality
| Gain | 12dB or 20dB switchable |
| THD+N | @ 20dB Gain = .0015%, -25dBu input signal, 1.3Vp-p output signal @ 12dB Gain = .001%, -6Bu input signal, 3.66Vp-p output signal |
| IM Distortion | @ 20dB setting, < .002% @ 800mV output, @ 12dB setting, < .005% @ 2.6volts output |
| Self-Noise | referred to -48dB re. 1V/pa , 20dB setting < 11dBa, 12dB setting < 15dBa |
| Headroom | referred to -48dB re. 1V/pa and 4mV/pa, 20dB setting: 127dB, 12dB setting: 120dB |
| Frequency response | 20Hz-20kHz +/- .25dB |
| Input Impedance | 3.6K-Ohm |
| Output Impedance | (at 20dB setting) 300-Ohms |
| Current draw | approximately 5ma at zero signal and 7.5ma at full output |
| Input and output connections | Balanced XLR: (Pin 1 Ground, Pin 2 Signal Hot, Pin 3 Signal Cold) |
| Power | 48-Volt phantom |
| Dimensions | 3.62Ó (92mm) L X 2.0Ó (51mm) W X 1.62Ó (41.3mm) W |
| Weight | 6 oz (170g) |
| Warranty | The dBooster is covered by a one-year warranty. This warranty covers parts and labor but does not cover damage as a result of misuse or abuse. |
The Royer model R-DB20 is a phantom-powered ribbon and dynamic microphone signal booster and impedance buffer. It increases the level of passive low-output ribbon and dynamic microphones with a minimum of distortion or coloration. Designed for profes- sional applications, the dBooster provides two levels of clean gain boost; 12dB and 20dB, selectable by a front panel switch. The dBooster maintains headroom and gain regardless of load.
The Class A input circuitry presents a high source impedance to the microphone, which minimizes loading (damping). This reduces coloration and distortion while at the same time improving headroom.
By utilizing the 12/20dB gain switch, optimum balance between gain and headroom can be achieved for a variety of uses.
The low-impedance output of the dBooster is an increased microphone-level signal that can drive a digital interface directly or a standard microphone preamplifier. It also minimizes signal loss on long cable runs.
Features:
- 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
Suggested Applications:
- Miking any low-volume sound source (acoustic instruments, vocals, etc.)
- Recording direct to a DAW interface
- Use on long cable runs to retain sound quality
| Gain | 12dB or 20dB switchable |
| THD+N | @ 20dB Gain = .0015%, -25dBu input signal, 1.3Vp-p output signal @ 12dB Gain = .001%, -6Bu input signal, 3.66Vp-p output signal |
| IM Distortion | @ 20dB setting, < .002% @ 800mV output, @ 12dB setting, < .005% @ 2.6volts output |
| Self-Noise | referred to -48dB re. 1V/pa , 20dB setting < 11dBa, 12dB setting < 15dBa |
| Headroom | referred to -48dB re. 1V/pa and 4mV/pa, 20dB setting: 127dB, 12dB setting: 120dB |
| Frequency response | 20Hz-20kHz +/- .25dB |
| Input Impedance | 3.6K-Ohm |
| Output Impedance | (at 20dB setting) 300-Ohms |
| Current draw | approximately 5ma at zero signal and 7.5ma at full output |
| Input and output connections | Balanced XLR: (Pin 1 Ground, Pin 2 Signal Hot, Pin 3 Signal Cold) |
| Power | 48-Volt phantom |
| Dimensions | 3.62Ó (92mm) L X 2.0Ó (51mm) W X 1.62Ó (41.3mm) W |
| Weight | 6 oz (170g) |
| Warranty | The dBooster is covered by a one-year warranty. This warranty covers parts and labor but does not cover damage as a result of misuse or abuse. |
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