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User Manual for Royer Labs R-DB20 dBooster In-Line Signal Booster for Dynamic & Ribbon Microphones Click to enlarge the picture
Contents of the user manual for the Royer Labs R-DB20 dBooster In-Line Signal
- Product category: In-Line Mic Accessories Royer Labs
- Brand: Royer Labs
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for Royer Labs In-Line Mic Accessories
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User manual for the Royer Labs R-DB20 dBooster In-Line Signal contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any Royer Labs product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official Royer Labs user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a Royer Labs product will considerably shorten its lifespan!
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Product description The Royer R-DB20 dBooster boosts the signal of ribbon and dynamic microphones by making use of 48V phantom power, doing so while protecting ribbon mics from phantom power and providing electrical isolation. As such, the box raises the overall level of these mics without adding color, noise, or distortion.
Two levels of boost are on hand: 12 and 20 dB, selectable on the front panel. You can plug a high- or low-impedance source into the dBooster and still get a significant amount of headroom and gain out of the device. This is due, in no small part, to the use of Class-A input circuitry.
The low-impedance output of the R-DB20 dBooster offers a signal optimized to drive a digital interface or a standard microphone preamp, allowing you to use long cable runs with minimal signal loss to boot. - Key Features at a Glance
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- 12 dB and 20 dB gain stages
- High and low impedance
- Durable case construction
- Low-noise performance
- Low distortion
- Wide frequency bandwidth
- Safe for use on ribbon microphones
- Increases headroom at the preamp
- Provides electrical isolation
- Protects ribbon mics from phantom power
- Minimizes mic loading
- Capable of driving mic splitters and vintage preamps without noticeable distortion or loss of gain
UPC: 899060002709 In the Box Royer Labs R-DB20 dBooster In-Line Signal Booster for Dynamic & Ribbon Microphones Limited 1-Year Warranty Table of Contents
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Technical parametersRoyer Labs R-DB20 Specs | I/O Connections | Balanced XLR | | Gain | 12 or 20 dB, Switchable | | THD+N | At 12 dB Gain: 0.001%, -6 dBu Input Signal, 3.66 V p-p Output Signal
At 20 dB Gain: 0.0015%, -25 dBu Input Signal, 1.3 V p-p Output Signal | | Inter-Modulation Distortion | At 12 dB Gain: <.005% at 2.6 V Output
At 20 dB Gain: <.002% at 800 mV Output | | Self Noise | At 12 dB Gain: <15 dBA (referred to -48 dB, 1 V/pa)
At 20 dB Gain: <11 dBA (referred to -48 dB, 1 V/pa) | | Headroom | At 12 dB Gain: 120 dB (Referred to -48 dB, 1 V/pa) and 4 mV/pa)
At 20 dB Gain: 127 dB (Referred to -48 dB, 1 V/pa) and 4 mV/pa) | | Frequency Response | 20 Hz to 20 kHz (±0.25 dB) | | Input Impedance | 3.6 kOhms | | Output Impedance | 300 Ohms at 20 dB Setting | | Current Draw | Approximately 5 mA at 0 signal and 7.5 mA at Full Output | | Power | 48 V Phantom Power | | Dimensions (L x W x H) | 3.6 x 2.0 x 1.6" / 92 x 51 x 41.3 mm | | Weight | 6 oz / 170 g | | | | Package Weight | 0.5 lb | | Box Dimensions (LxWxH) | 4.85 x 3.35 x 2.35" |
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