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User Manual for Black Lion Audio B12A Quad 4-Channel Preamp with Mic and DI Inputs Click to enlarge the picture
Contents of the user manual for the Black Lion Audio B12A Quad 4-Channel
- Product category: Microphone Preamps Black Lion Audio
- Brand: Black Lion Audio
- 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 Black Lion Audio Microphone Preamps
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User manual for the Black Lion Audio B12A Quad 4-Channel 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 Black Lion Audio 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 Black Lion Audio 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 Black Lion Audio product will considerably shorten its lifespan!
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Product description Designed for recording engineers who want an updated take on 312A-style gain, the Black Lion Audio B12A Quad is a four-channel preamp with a punchy, rock'n'roll tone. It's suitable for recording drums, guitars, basses, or even aggressive vocals.
This preamp gives you four channels in a 1-RU package. XLR connections on the rear of the unit correspond nicely with your microphones, while you can plug any electric bass or electric guitar into the two 1/4" DI inputs located on the front panel. To better correspond with a variety of downstream gear, both XLR and 1/4" outputs are provided. Each output can be run in parallel, should you need to divert a single output to two different sonic destinations.
All four channels offer up to 70 dB of gain. Each channel sports its own phantom power switcher for condenser microphones, as well as a polarity-reverse selector and an 18 dB pad switch. A Hi-Z switch on channels one and two lets you choose between the mic and DI input. Gain and output knobs allow you to fine tune the level of each instrument; if you wished, you could drive the signal hard with the gain knob for a harmonically rich tone, then lower the output knob to avoid clipping your digital converter downstream.
The B12A Quad employs Cinemag transformers on both the input and output stages, ensuring a rock-solid, meaty tone that lovers of classic 312-series preamps will enjoy. Output metering is made possible via four 7-segment light meters. These shine green most of the time, go yellow just before clipping, and of course, give you the red light when you're pumping too much signal through the unit. UPC: 713541493483 In the Box Black Lion Audio B12A Quad 4-Channel Preamp with Mic and DI Inputs Limited 3-Year Warranty Table of Contents
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Technical parametersBlack Lion Audio B12A QUAD Specs | | | Input Level | Microphone: +1 dBu maximum
DI: +18 dBu maximum | | Gain | Microphone: +26 to +70 dB
DI: +10 to +53 dB | | Impedance | Microphone: 200 Ohms
DI: 1.1 MOhms | | Pad | 18 dB for microphone input | | Phantom Power | 48 V, selectable | | Polarity Reverse | 180°, selectable | | Controls | 4 x gain knobs
4 x output knobs
4 x phantom power selectors
4 x pad selectors
4 x polarity-reverse selectors 2 x Hi-Z selectors (channels 1 and 2) | | Connections | Microphone: 4 x XLR
DI: 2 x 1/4", phone type | | Equivalent Input Noise | Microphone: -120 dBu
DI: -102 dB | | THD+N | Microphone at +4 dBu Output:- 0.012% at +22 dBu
- 0.013% at +36 dBu
- 0.046% at +56 dBu
- 0.145% at +66 dBu
DI at +4 dBu Output:- 0.013% at +10 dBu
- 0.124% at +36 dBu
| | Bandwidth | Microphone: 10 Hz to 30 kHz (1 kHz, 150-Ohm source, unweighted)
DI: 10 Hz to 30 kHz (1 kHz, 600-Ohm source, unweighted) | | | | Output Level | 28 dBu maximum | | Output Impedance | 600 Ohms | | Connections | 4 x XLR
4 x 1/4" / 6.3 mm | | Rack Space | 1 RU | | Dimensions | Not specified by manufacturer | | Weight | Not specified by manufacturer |
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