Quested SB10R

10′ Active Subwoofer


The perfect partner for your S series monitors.
The SB10R is the reference subwoofer that partners with the S Series. Delivering a powerful yet clean
bass response all the way down the 25Hz, the SB10R completes the S Series. A 10” driver is perfectly
matched to the cabinet volume and paired with its own dedicated remote power amplifier. The SBC250
amplified controller (250W) has all the features to allow perfect integration of the sub with any system.
It has a variable crossover from 40Hz to 135Hz, gain control from -14db to +6db, up to 160 degrees of
phase control, along with a polarity ± switch, output level metering and a bypass function, all in a 1U
rack unit. Remote power allows for a very easy setup, with all the controls you need at your fingertips.

Dimensions: Cabinet 600(w) x 332 (h) x 300(d) mm SBC250 Controller – 1U case 270mm deep
Weight: Cabinet – 19.8 kg / 43.4 lb
SBC250 Controller – 5.5 kg / 12 lb
Drivers: Bass cone 1 x 250mm (10”)
Frequency Response: User Adjustable. 25 Hz-200 Hz ± 2 dB / 17 Hz-200 Hz -6 dB
Maximum SPL: 116 dB continuous pink noise @ 1m Leq 1 minute half space
Connector: 2 off XLR and ¼ inch jack combo socket
Impedance: 10k W electronically balanced with RF filters

Pin 1 ground Sleeve
Pin 2 hot Tip
Pin 3 cold Ring

Left and Right Monitor 2 off XLR type male left & right outputs
Impedance 100 ohm electronically balanced
Wiring Pin 1 ground, Pin 2 hot, Pin 3 cold
Sub Bass Output: 1 pair binding posts

FILTERS: Left & Right Input Summed to Sub Output
Subsonic/High Pass: -3dB @ 14Hz, 24dB/oct or -3dB @ 28Hz, 24dB/oct (set by internal
Low Pass: -3dB @ 40Hz to 135Hz, externally adjustable @ 24db/oct or full range on CH A
Left & Right Input to Left & Right Output
Ultrasonic: -1dB @ 100k
High Pass: -3dB @ 40Hz to 135Hz, externally adjustable @ 24db/oct or full range on CH A

210W rms continuous
0.03% at levels up to 1dB below clip, 20Hz – 120Hz typ
0.005% @ 20W rms 100Hz
Hum & Noise: -100 dB referred to clip

POWER REQUIREMENTS: Set by internal plug: normal 115V or 230V setting: Min 160V (restricted output
power): Max 255V 115V setting: Min 80V (restricted output power): Max 127V

Quiescent: <30Wv
Typical use: 50W
Max: <200W
Note: 0 dBu = 775 mV into open circuit

This product is built to conform to the requirements for CE marking.

CONTROLS: Crossover Frequency 40 – 135Hz, front panel pot
Test (Band limited pink noise), front panel recessed switch (LED indicates when on)
Sub-bass bypass, front panel switch (LED indicates when bypassed)
Sub Gain –14 to +6, front panel pot (Sublevel indicated with LED Meter)

Sub Phase, front panel pot
Sub Polarity, front panel recessed switch (LED indication for positive and negative polarity)
Power, front panel switch
Left channel sub filter bypass, rear-mounted recessed Switch
Subsonic filter 14 or 28Hz, Internal jumpers


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