QB1 XBD-A
Flagship active midfield main monitor system pairing a full-range master cabinet with a dedicated XBD low-frequency cabinet, with class D amplification built in. Aimed at high-end recording, mixing and playback rooms, soffit-mounted or free-standing.
- Active twin-cabinet main monitor: master plus XBD bass cabinet
- 8 x 250mm (10") carbon fibre/Nomex LF drivers per channel
- Frequency response 20Hz - 25kHz, peak SPL >132dB at 1m
- Balanced analogue and AES3 digital (96kHz/24-bit) inputs
- RJ45 desktop control with 4 user presets
- 20 year warranty with registration within 10 days
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The QB1 XBD-A is a twin-cabinet active main monitor. A full-range master cabinet is stacked with an additional XBD cabinet that adds four more piston drivers, so each channel uses eight 250mm (10") carbon fibre/Nomex bass drivers, a 75mm soft dome midrange and a 34mm soft dome tweeter with acoustic radiator. Bass loading is by PMC's Advanced Transmission Line (ATL), with an effective length of 2 x 2.7m. The crossover points are 380Hz and 3.8kHz.
Each channel is driven by PMC's independent class D amplifiers: 2 x 2400Wrms for the LF section, 2 x 2400Wrms for the LFX (XBD) section, 550Wrms for the mid and 275Wrms for the high frequencies. The stacked layout is stated to give 3dB more headroom than the single-cabinet QB1-A. Peak SPL is above 132dB at one metre.
Input is via a balanced analogue connection or AES3 digital (up to 96kHz, 24-bit). A wired RJ45 desktop controller with a backlit display and jog wheel gives access to user EQ settings and stores up to four user presets. A 20 year warranty applies when the product is registered within 10 days of purchase.
Specifikacije
- Znamka
- PMC
- Model
- QB1 XBD-A
- Kategorija
- Studio › Studijski monitorji
Audio
- Frequency response
- 20Hz - 25kHz
- Peak SPL
- >132dB @ 1 metre
- Crossover frequencies
- 380Hz & 3.8kHz
- Effective ATL length
- 2 x 2.7m (8.9ft)
Drive units
- LF
- 8 x PMC carbon fibre/Nomex 250mm/10" piston drivers
- MF
- PMC hand-built 75mm soft dome driver
- HF
- PMC 34mm soft dome tweeter with acoustic radiator
Inputs
- Analogue input
- Balanced
- Digital input
- AES3, 96kHz 24bit
- Input sensitivity
- Adjustable +4 to +20dBu
- Input impedance
- 20k balanced
Amplification
- LF amplifier power per channel
- 2 x 2400Wrms
- LFX (XBD) amplifier power per channel
- 2 x 2400Wrms
- MF amplifier power per channel
- 1 x 550Wrms
- HF amplifier power per channel
- 1 x 275Wrms
Connectivity
- Desktop control
- Wired RJ45 with backlit display and jog wheel
- User presets
- Up to 4
Physical
- Height
- 1640mm (64.6")
- Width
- 1092mm (42.9")
- Depth
- 523mm (20.6") max
- Weight
- Master 150kg (330lbs), LFX (XBD) 140kg (308lbs)
Warranty
- Extended warranty
- 20 years with registration within 10 days of purchase