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The flagship of our range. The intelligence of the 1236A is seamlessly integrated into the finest example of acoustic engineering yet produced in more than 40 years of Genelec history.
Power and finesse
This is where power and finesse combine to create a truly extraordinary main monitor. Producing peak SPLs of over 130 dB, the 1236A’s staggering muscle is backed up with exquisitely precise imaging and a wide, neutral sweet spot that is the natural choice for satisfying multiple listeners in larger control rooms. All the vibe and energy you want, with detail to match.
Ultimate control
The 1236A offers new levels of control through its tight integration with our GLM calibration software. GLM analyses your room’s characteristics and intelligently tailors the monitors’ frequency response, level, distance delay and more to provide a truly optimised listening experience - and mixes that translate perfectly to other rooms and systems.
Package contains:
- 1 x 1236A main monitor
- 1 x individually calibrated RAM-XL amplifier unit
- 1 x mains cable 1,8 m
- 1 x RJ45 cable 5 m
- 1 x RJ45 cable 10 m
- 2 x 4-pole Speakon cable 10 m
- 1 x operating manual
Warranty:
- 2 years parts-and-labour (extended to 5 years with free registration).
GLM Calibration:
- Requires free GLM software and either our 9320A SAM™ Reference Controller or GLM Calibration Kit device (both sold separately) for calibration.
System Specifications
Frequency Response
21 Hz - 20 kHz (± 2 dB)
Low cutoff -6dB
17.5 Hz
High cutoff -6dB
26 kHz
SPL
Peak SPL
≥136 dB
Maximum peak acoustic output per pair in a listening room with music material at 2 m.
Short term max SPL
≥130 dB
Maximum short term sine wave acoustic output on axis in half space, averaged from 100 Hz to 3 kHz at 1 m.
Long term max SPL
≥125 dB
Maximum long term RMS acoustic output in the same conditions with IEC weighted noise (limited by driver protection circuit) at 1 m.
Self-generated noise
Self-generated noise
≤5 dB SPL
Self generated noise level in free space at 2 m on axis (A-weighted).
Weight
Weight
182 kg (401.2 lb)
Dimensions
Height
1180 mm (46 1/2 in)
Width
960 mm (37 3/4 in)
Depth
650 mm (25 5/8 in)
Enclosure
Enclosure material
MDF
Enclosure type
Reflex port
Drivers
Bass
Driver type
Cone
Count
2
Diameter
458 mm (18 in)
Midrange
Driver type
Cone
Count
2
Diameter
125 mm (4 7/8 in)
Driver type
Compression
Compression tweeter 50 mm (2 in) into 25 mm (1 in) throat
Diameter
25 mm (1 in)
Directivity
Vertical directivity
Horizontal directivity
Harmonic distortion
50...100 Hz ≤1 %
100 Hz...3 kHz ≤0.5 %
> 3 kHz ≤3 %
Group delay
The latency at high frequencies from the input to the acoustic output, measured in the analog input:
Extended Phase Linearity in GLM set to OFF
5.2 ms
In Genelec performance graphics, the time of converting the from an electronic input signal to the acoustic output in a Genelec monitor is described by two factors – latency and group delay. The group delay factor can be read in the graphics for a specific frequency. The total frequency-specific input-to-output delay is a sum of the latency and group delay factors. To understand the significance of this total delay, consider that moving a loudspeaker away by 1 meter creates an additional delay of about 3 ms.
Amplifier Section
Amplifiers
1236A bass amplifier
2 x 1000 W Class D
3U Rack mounted amplifier
Height
132 mm (5 1/4 in)
Width
483 mm (19 in)
Depth
286 mm (11 1/4 in)
Weight
11.2 kg (24.7 lb)
1236A midrange amplifier
2 x 400 W Class D
3U Rack mounted amplifier.
Height
132 mm (5 1/4 in)
Width
483 mm (19 in)
Depth
286 mm (11 1/4 in)
Weight
11.2 kg (24.7 lb)
1236A treble amplifier
250 W Class D
3U Rack mounted amplifier.
Height
132 mm (5 1/4 in)
Width
483 mm (19 in)
Depth
286 mm (11 1/4 in)
Weight
11.2 kg (24.7 lb)
Mains voltage
100-120VAC / 220-230VAC 50/60Hz
Power consumption
ISS Active
≤6 W
Idle
≤40 W
Full output
2400 W
Signal processing section
Connectors
Input
Analog signal input connector XLR female, balanced 10 kOhm.
Input
Digital signal input connector XLR female 110 Ohm.
Output
Digital signal output / Thru connector XLR male 110 Ohm.
2 x Control
Two CAT5 (RJ45) GLM Network connectors for computer control using the Genelec Loudspeaker Manager (GLM) software.
