DONNER RB-1 Microphone Preamp Dynamic Mic User Manual
- June 15, 2024
- Donner
Table of Contents
RB-1 Microphone Preamp Dynamic Mic
Welcome to Donner
We are very grateful to have you purchasing our product.
Please take a few minutes to read the instructions for operating this product,
which will show you how to use it and explain the function and operation of
the device, ensuring a trouble-free installation.
Please keep these operating instructions properly for future reference.
Warning:
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS EQUIPMENT TO
RAIN OR MOISTURE TO REDUGE THE RISK OF FIRE, ELECTRIC SHOCK AND ANNOYING
INTERFERENCE, PLEASE USE ONLY THE RECOMMENDED ACCESSORIES FOR UNINTERRUPTED
SERVICE OF THIS DEVICE!
“DESIGN AND SPECIFICATIONS MAY CHANGE WITHOUT NOTICE.
| WARNING
---|---
ELECTRIC SHOCK HAZARD DO NOT OPEN
INTRODUCTION
Thank you for purchasing the Donner Microphone Preamp Roar Booster RB-1!
The RB-1 s built to provide a 26dB stable, clean, clear extra gain for your
passive microphone by building in a sophisti- cated class-A design and
premium-selected high-grade JFETS. You only need to connect the preamp between
your dynamic microphone or ribbon microphone and the audio interface or
console, then turn on the 48V phantom power supply to let RB-1 do its job.
*“The RB-1 requires phantom power for operation but does not work with microphones that require phantom power, e.g., condenser microphones or some active ribbon microphones.
Please take the time to visit www.donnerdeal.com
and get more information.
FEATURES
- 26dB stable, clean, clear gain for your passive microphone.
- Using sophisticated class-A design and premium-selected high-grade JFETSs.
- 48V phantom power supply.
- Setting on the microphone boom by using Velcro.
- Low noise gain boost.
SPECIFICATIONS
| Element | Microphone Preamp Lifter |
|---|---|
| Gain | 26dB |
| Frequency range | 20Hz – 20kHz |
| THD+N | <0.015% |
| Amplifier type | JFETs |
| Phantom power requirements | 48V DC, 4 mA typical |
| Weight | 2329 |
| Dimensions | 118x45x51mm |
| Connectivity | Integral 3-pin XLR male/female connector |
USING THE RB-1
- Placing the RB-1 on the ground/deskimicrophone boom (as shown A1 and A2);
- Connect the preamp input(XLR male type) to the microphone, the preamp output(XLR female type) to the console/audio interface (as shown BY;
- Tum on the 48V phantom power on the console/audio interface in order to let RB-1 doits job (as shown C);
- Start using the RB-1 (as shown D);
- Finish using by tuming off the 48v phantom power (as shown E);
- Disconnect the XLR cable (as shown F);
- After using, the RB-1 should be placed inits protective box (as shown G);
FCC STATEMENT
Changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
This equipment has been tested and found to comply with the limits for a Class
B digital device, pursuant to Part 15 of the FCC Rules, These limits are
designed to provide reasonable protection against harmful interference in a
residential installation, This equipment generates uses and can radiate radio
frequency energy and. if not installed and used in accordance with the
instructions, may cause harmful interference to radio communications. However,
there is no guarantee that interference will not occur in a particular
installation, If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and
on, the user is encouraged to try to correct the interference by one or more
of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help
This device complies with part 15 of the FCC rules. Operation is subject to
the following two conditions (1}this device may not cause harmful
interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
This equipment complies with FCC radiation exposure limits setforth for an
uncontrolled environment. This equipment should be installed and operated with
minimum distance 20cm between the radiator & your body.