
PMC
PMC QB1 XBD-A
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PMC QB1 XBD-A – Active 3-way twin-stacked monitor pair with eight 10″ carbon-fibre/Nomex™ LF drivers, additional XBD cabinet, 8 825 W Class-D amplification per channel, wired RJ45 desktop control, and ATL™ bass loading.
The PMC QB1 XBD-A elevates the flagship QB1-A design with a second XBD cabinet housing four extra 250 mm piston drivers, each powered by 1 000 W Class-D amps for a total of 8 825 W ultra-clean power per channel. This twin-stack configuration delivers 3 dB more bass headroom, limitless dynamic range from 20 Hz to 25 kHz, and ultra-low distortion. User-friendly RJ45 desktop control provides access to parametric EQ, shelving filters, delay, phase, level trim, and storage for four presets via a backlit display and jog wheel.
KEY FEATURES
- Active 3-way twin-stacked monitor pair
- Eight 250 mm carbon-fibre/Nomex™ piston LF drivers
- One 75 mm hand-built soft-dome midrange driver
- One 34 mm soft-dome tweeter with acoustic radiator
- Total amplifier power: 2×2400 W LF + 2×2400 W LFX + 550 W MF + 275 W HF = 8 825 W per channel
- Effective ATL™ length: 2×2.7 m (8.9 ft)
- Frequency response: 20 Hz – 25 kHz
- Maximum in-room headroom: +3 dB over single-cabinet QB1-A
- Wired RJ45 desktop control with backlit display and jog wheel
- Store up to four user presets (EQ, shelving, delay, phase, level trim)
- Upgradeable soffit- or stand-mounted configuration
TECHNICAL SPECIFICATIONS
- Available finishes: Studio black (colours POA)
- Crossover frequencies: 380 Hz & 3.8 kHz
- Dimensions (H×W×D): 1 640 × 1 092 × 523 mm (64.6″ × 42.9″ × 20.6″ max depth)
- Drive units:
- LF: 8×250 mm carbon-fibre/Nomex™ piston drivers
- MF: 75 mm soft-dome
- HF: 34 mm soft-dome with acoustic radiator
- Effective ATL™ length: 2×2.7 m (8.9 ft)
- Frequency response: 20 Hz – 25 kHz
- Impedance: 20 kΩ balanced input
- Input connectors: Balanced analog + AES3 digital (24-bit/96 kHz)
- Weight:
- Master cabinet: 150 kg (330 lbs)
- XBD cabinet: 140 kg (308 lbs)
- Amplifier power per channel:
- LF: 2×2400 W RMS
- LFX: 2×2400 W RMS
- MF: 1×550 W RMS
- HF: 1×275 W RMS