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The super-compact dimensions of the 1238DF allow it to partner with an accompanying subwoofer to deliver main monitor performance in rooms where space is at a real premium.
Neutral and uncoloured
Ideal for music recording, post-production, broadcast and mastering, the 1238DF is the perfect blend of adaptable amplification, contemporary technology and classic design. With its controlled directivity, it offers all the neutrality and uncoloured performance of a large format Genelec monitor - but with a remote rack-mounting RAM-L amplification module that enables its amazingly modest and slimline cabinet size.
Configure, calibrate and control
The 1238DF is designed to partner with a complementary Genelec smart subwoofer, and integrates closely with our GLM software via which the whole system can be configured and calibrated for your listening environment, compensating for detrimental room influences to create a truly optimised monitoring solution. From simple stereo to complex immersive formats, the 1238DF and GLM combine seamlessly to help you produce mixes with exceptional translation to other rooms and systems.
Package contains:
- 1 x 1238DF monitor
- 1 x individually calibrated RAM-L 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
57 Hz - 20 kHz (± 2 dB)
Low cutoff -6dB
50 Hz
High cutoff -6dB
20 kHz
SPL
Peak SPL
≥124 dB
Maximum peak acoustic output per pair in a listening room with music material at 2 m.
Short term max SPL
≥117 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
≥107 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
≤10 dB SPL
Self generated noise level in free space at 1 m on axis (A-weighted).
Weight
Weight
36 kg (79.4 lb)
Dimensions
Height
610 mm (24 in)
Width
470 mm (18 1/2 in)
Depth
235 mm (9 1/4 in)
Enclosure
Enclosure material
MDF
Enclosure type
Sealed box
Drivers
Bass
Driver type
Cone
2 x 210 mm (8 in) cone
Count
2
Diameter
210 mm (8 1/4 in)
Midrange
Driver type
Cone
125 mm (5 in) cone
Diameter
125 mm (4 7/8 in)
Treble
Driver type
Metal dome
25mm (1 in) metal dome
Diameter
25 mm (1 in)
Directivity
Horizontal directivity
Harmonic distortion
60…200 Hz ≤1 %
> 200 Hz ≤0.5 %
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
5.1 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
1238DF Bass amplifier specs
500 W Class D
3U rack mounted amplifier (RAM-L)
Height
132 mm (5 1/4 in)
Width
483 mm (19 in)
Depth
240 mm (9 1/2 in)
Weight
6 kg (13.2 lb)
1238DF Midrange amplifier specs
250 W Class D
1238DF Treble amplifier specs
200 W Class AB
Mains voltage
100-240 VAC 50/60Hz
Power consumption
ISS Active
≤0.5 W
Idle
≤25 W
Full output
750 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.
Crossover
Bass/Mid
420 Hz
Mid/Treble
3000 Hz
