B173 Quad - Receiver Black Lion Audio - Free user manual and instructions
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| Product Type | Quad microphone preamplifier with British-style EQ |
| Channels | 4 |
| Mic Inputs | 4 x XLR |
| Line Inputs | 4 x TRS |
| Outputs | 4 x XLR and 4 x TRS |
| Gain Range | +10 dB to +80 dB |
| EQ Bands | 3-band (low shelf, mid, high shelf) |
| Phantom Power | +48V per channel |
| High-Pass Filter | Switchable 80Hz |
| Input Impedance | 1200 ohms (mic) |
| Output Impedance | 150 ohms (XLR) |
| Power Supply | Internal linear, 100-240V AC |
| Dimensions | 483 x 44.5 x 203 mm (19-inch rack, 1U) |
| Weight | 4.8 kg |
| Construction | Steel chassis, custom transformers |
| Frequency Response | 20 Hz to 20 kHz ±0.5 dB |
| Signal-to-Noise | -95 dB (typical) |
| Maximum Output | +26 dBu |
| Maintenance | Clean with a soft dry cloth; no solvents |
| Safety | Use grounded outlet; avoid moisture |
| Spare Parts | Available via authorized Black Lion Audio dealers |
| Warranty | 1-year limited warranty |
| Repairability | Modular design; serviceable by qualified technicians |
Frequently Asked Questions - B173 Quad Black Lion Audio
What is the B173 Quad?
The B173 Quad is a four-channel microphone preamplifier and EQ designed by Black Lion Audio, delivering classic British tone in a compact 19-inch rack unit.
How many independent channels does the B173 Quad have?
It has four fully independent channels, each with its own preamp, +48V phantom power, phase flip, and high-pass filter.
Does the B173 Quad provide phantom power?
Yes, each channel has a dedicated +48V phantom power switch, allowing safe use with condenser microphones.
What type of EQ is on each channel?
The EQ is a 3-band design modeled after classic British consoles, featuring a low shelf, a mid band, and a high shelf with user-friendly fixed frequencies.
Can I connect a guitar or bass directly to the B173 Quad?
Yes, the DI input (direct injection) accepts an instrument-level signal on the front panel, so you can plug in a guitar or bass without a separate DI box.
What is the gain range of the preamp?
The preamp offers a wide +10dB to +80dB gain range, making it suitable for ribbon, dynamic, and quiet condenser microphones.
What output connections are available?
Each channel provides balanced XLR and TRS line outputs, giving you flexible routing to interfaces, analog desks, or converters.
Is the B173 Quad rackmountable?
Yes, it is built into a 19-inch 1U chassis and includes rack ears, so it can be mounted in a standard equipment rack.
How should I clean and maintain the B173 Quad?
Use a soft, dry cloth to clean the front panel and chassis. Do not use solvents or spray liquids. Keep the unit free of dust to avoid overheating.
What is the warranty period and service availability?
The B173 Quad comes with a 1-year limited warranty. For repairs and spare parts, contact your authorized Black Lion Audio dealer or the manufacturer's service center. Modular construction makes many components replaceable by trained technicians.
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USER MANUAL B173 Quad Black Lion Audio
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Product information
Brand : Black Lion Audio
Model : B173 Quad
Category : Receiver