1091A

The Genelec 1091A active subwoofer incorporates the amplifier and all crossover electronics needed to combine it with the 1029A loudspeakers. It reproduces frequencies 38 - 85 Hz (± 2.5 dB), and the sonic quality is maintained by a steep crossover filter (24 dB/octave). The subwoofer has two input connectors and adjustable sensitivity.

Driver
The 1091A has one 210 mm (8") cone driver, capable of producing high SPL's. The driver is housed in a 15 litre vented cabinet. It is specially front loaded to improve both the passband efficiency and stopband rejection.

Amplifier
The amplifier unit, integrated into the cabinet, consists of the active crossover filter, driver overload protection circuits and a power amplifier. The amplifier produces 70 W of output power, with very low THD and IM distortion. It is mounted on thick aluminium with excellent heat dissipation. Driver overload protection, power-on signal muting, thermal overload and short circuit protection are included in the amplifier circuitry.
Retail $999 CAD (Each)
Our Price $569 US (Each)
Our Price $875 CAD (Each)

System Specifications
Free field frequency response of system (± 2.5 dB): 38 - 85 Hz
Maximum short term sine wave acoustic output in half space, averaged from 45 Hz to 80 Hz @ 1m: > 103 dB SPL
Self generated noise level in free field @ 1m on axis (A-weighted)
< 10 dB
Harmonic distortion at 95dB SPL @ 1m
on axis in half space (40...85Hz):
 < 3%
Drivers:
210 mm (8")
Weight:
10.2 kg (22.4 lb)
Dimensions:
Height
Width 
Depth  		505mm (19 7/8")
251mm (9 7/8")
230mm (9")
Amplifier
Short term amplifier output power:
(Long term output power limited by protection circuitry) 		70W (16ohm)
Amplifier system distortion at nominal output:


THD < 0.08%
SMPTE-IM < 0.08%
CCIF-IM < 0.08%
DIM 100 < 0.08%
Signal to Noise ratio, referred to full output: > 90dB
Mains voltage:
100/200 or 115/230V
Voltage operating range:  ± 10%
Power consumption (average):  Idle
Full output 		9VA
100 VA
Crossover
Subsonic filter 18 dB/octave below:
38Hz
Crossover frequency sub/main monitors (24dB/oct)
85Hz
Midband rejection, freq. > 400 Hz:
> 50 dB
Bass roll-off control operating range
in -2 dB steps ref 1029A output
from 0 to -8dB
Input
Input connectors:

XLR female
pin 1: gnd
pin 2: +
pin 3: -

1/4" jack
sleeve
tip
ring

Input impedance:  2 x 33kOhm balanced
Input level for 100dB SPL output
@ 1m in full space:  		variable
-23dBu to  -15dBu
in 2dB steps

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