Der 1238A ist unser größter Monitor mit drei Treibern. Er passt sich an Ihre Raumakustik an und liefert Präzision auf Referenzniveau auch bei hohen Schalldruckpegeln.
1238A
SAM™ Studio Monitor

Active Crossovers

Directivity Control Waveguide (DCW™) Technology

SPL
121 dB

Frequenzgang
30 Hz - 22 kHz (-6 dB)

Abmessungen
H 810 x W 480 x D 420 mm, (Anzeige in Inch)

Leistung und Präzision
Der 1238A basiert auf dem renommierten 1038 und bietet die gleichen bewährten akustischen Eigenschaften, jetzt aber mit allen Vorteilen der Smart Active Monitoring-Technologie. Und dank des integrierten Verstärkermoduls RAM-L - das außerhalb des Gehäuses im Rack montiert werden kann - eignet sich der 1238A auch als Hauptabhörsystem mit Wandeinbau, das unübertroffene Neutralität mit einem erstaunlichen Peak-Schalldruckpegel von 121 dB verbindet.

Wirklich optimiertes Hören
Zusätzlich zu seiner verlässlichen Transparenz lässt sich der 1238A mit unserer GLM Software steuern und kalibrieren. So werden störende Raumeinflüsse kompensiert, um eine wirklich optimierte Abhörlösung zu schaffen, von Mono bis Immersiv. Damit ist der 1238A die ideale Wahl für Profis in größeren Räumen, die auf eine perfekte Übertragung Ihrer Mischungen auf andere Studios und Systeme Wert legen.
Genelec
1238A SAM™ Studio Monitor
1 x 1238A Hauptmonitor
1 x Netzkabel 1,8 m
1 x RJ45 Kabel 5 m
1 x Frontplatte für Rackeinbau der Verstärkereinheit
2 x Rackmontagekit für die Verstärkereinheit
1 x Betriebsanleitung
1238A
Auszeichnungen
Technische Spezifikationen

SPL
121 dB

Verstärkerleistung
500 W Bass (Class D) + 250 W Midrange (Class D) + 200 W Treble (Class AB)

Frequenzgang
30 Hz - 22 kHz ("-6 dB")

Genauigkeit des Frequenzgangs
± 2.5 dB (35 Hz - 20 kHz)

Treiberabmessungen
⌀ 385 mm Bass + ⌀ 125 mm Midrange + ⌀ 25 mm Treble (Anzeige in Inch)

Abmessungen
H 810 x W 480 x D 420 mm, (Anzeige in Inch)

Gewicht
57 kg / 125.7 lb

Anschlüsse
1 x XLR Analog Input
1 x XLR AES/EBU Input
1 x XLR AES/EBU Output
2 x RJ45 Control
1238A SAM™ Studio Monitor
SAM™ Studio Monitor
Technische Spezifikationen
Der 1238A ist unser größter Monitor mit drei Treibern. Er passt sich an Ihre Raumakustik an und liefert Präzision auf Referenzniveau auch bei hohen Schalldruckpegeln.

Systemspezifikationen
Frequenzgang
35 Hz - 20 kHz (± 2.5 dB)
Low cutoff -6dB
30 Hz
High cutoff -6dB
22 kHz

SPL
Peak SPL Maximum peak acoustic output per pair in a listening room with music material at 2 m.
≥124 dB
Kurzzeitiger max. SPL Maximum short term sine wave acoustic output on axis in half space, averaged from 100 Hz to 3 kHz at 1 m.
≥121 dB
Max. Langzeit-SPL Maximum long term RMS acoustic output in the same conditions with IEC weighted noise (limited by driver unit protection circuit) at 1 m.
≥116 dB
Eigenrauschen
Eigenrauschen Self generated noise level in free field at 1 m on axis (A-weighted).
≤10 dB SPL
Gewicht
Gewicht57 kg (125.7 lb)
Abmessungen
Höhe
810 mm
Breite
480 mm
Tiefe
420 mm

Gehäuse
Gehäusematerial
MDF
Gehäusetyp
Reflex port
Treiber
Treiber-Typ
Cone
385mm (15 in) cone
Durchmesser
385 mm
Treiber-Typ
Cone
125 mm (5 in) cone
Durchmesser
125 mm
Treiber-Typ
Metal dome
25mm (1 in) metal dome
Durchmesser
25 mm
Richtwirkung

Harmonische Verzerrung
> 200 Hz ≤0.5 %
Gruppen-Laufzeit
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.

Abschnitt Verstärker
Verstärker
500 W Class D
Höhe
132 mm
Breite
483 mm
Tiefe
252 mm
Gewicht
6 kg
(13.2 lb)
250 W Class D
200 W Class AB
Netzspannung
100-240 VAC 50/60Hz
Stromverbrauch
ISS aktiv
≤0.5 W
Leerlauf
≤25 W
Volle Leistung
750 W
Abschnitt Signalverarbeitung
Anschlüsse
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.
Produktvarianten
Produktcodes
Weitere technische Details finden Sie in der Anleitung.
Schlüsseltechnologien

Active Crossovers

Directivity Control Waveguide (DCW™) Technology

Intelligent Signal Sensing (ISS™) Technology

Protection Circuitry

Optimised Amplifiers

Smart Active Monitor (SAM™) Systems
Active crossover operating at low signal levels.
Audio electronic crossovers allow the audio signal to be split into separate frequency bands that are separately routed to individual power amplifiers, which are then connected to specific transducers optimised for a particular frequency band.
Active crossovers come in both digital and analogue varieties. Genelec digital active crossovers include additional signal processing, such as driver protection, delay, and equalisation.
Genelec analogue active crossover filters contain electronic components that are operated at low signal levels suitable for power amplifier inputs. This is in contrast to passive crossovers that operate at the high signal levels of the power amplifier's outputs, having to handle high currents and, in some cases, high voltages.
In a typical two-way system the active crossover needs two power amplifiers — one for the woofer and one for the tweeter.
The active crossover design offers multiple benefits:
- The frequency response becomes independent of any dynamic changes in the driver's electrical characteristics or the drive level.
- There is increased flexibility and precision for adjusting and fine-tuning each output frequency response for the specific drivers used.
- Each driver has its own signal processing and power amplifier. This isolates each driver from the drive signals handled by the other drivers, reducing inter-modulation distortion and overdriving problems.
- The ability to compensate for sensitivity variations between drivers.
- The possibility to compensate for frequency and phase response anomalies associated with a driver’s characteristics within the intended pass-band.
- The flat frequency response of a high-quality active loudspeaker is a result of the combined effect of the crossover filter response, power amplifier responses and driver responses in a loudspeaker enclosure.
Using the active approach enables frequency response adjustments and optimisation of the full loudspeaker system, placed in various room environments, without expensive external equalisers. The end result is a simpler, more reliable, efficient, consistent and precise active loudspeaker system.
Directivity Control Waveguide (DCW™) for flat on and off-axis response.
A revolutionary approach was taken by Genelec in 1983 with the development of its Directivity Control Waveguide (DCW™). We have developed and refined this technology over more than 30 years to greatly improve the performance of direct radiating multi-way monitors.
The DCW technology shapes the emitted wavefront in a controlled way, allowing predictable tailoring of the directivity (dispersion) pattern. To make the directivity uniform and smooth, the goal is to limit the radiation angle so that the stray radiation is reduced. It results in excellent flatness of the overall frequency response as well as uniform power response. This minimises early reflections and provides a wide and controlled listening area achieving accurate sound reproduction on and off-axis.
Minimised early reflections and controlled, constant directivity have another important advantage: the frequency balance of the room reverberation field is essentially the same as the direct field from the monitors. As a consequence, the monitoring system's performance is less dependent on room acoustic characteristics.
Sound image width and depth, critical components in any listening environment, are important not only for on-axis listening, but also off-axis. This accommodates not only the engineer doing their job, but also others in the listening field, as is so often the case in large control rooms.
DCW™ Technology key benefits:
- Flat on and off-axis response for wider usable listening area.
- Increased direct-to-reflected sound ratio for reduced control room coloration.
- Improved stereo and sound stage imaging.
- Increased drive unit sensitivity up to 6 dB.
- Increased system maximum sound pressure level capacity.
- Decreased drive unit distortion.
- Reduced cabinet edge diffraction.
- Reduced complete system distortion.
Intelligent Signal Sensing (ISS™) for power consumption reduction in stand-by mode.
Introduced early 2013, Genelec’s Intelligent Signal-Sensing technology has been developed to meet with both European Union ErP Directives and Genelec's own ambitious sustainability standards.
The Intelligent Signal Sensing, ISS™ circuitry tracks the signal input of the loudspeaker and detects if it is in use. If the ISS circuit does not find any audio on the input for a period of time, it sets the loudspeaker to a low-power sleep state and the loudspeaker will consume less than 0.5 watts. When an input signal is detected, the loudspeaker immediately turns itself on.
Additionally an ‘ISS Disable’ switch is located on each product’s back plate next to the other room response controls. First, when the mains power switch of the loudspeaker is set to 'ON', the ISS™ auto-start function (low-power sleep state on/off) of the loudspeaker is active.
If this function is not desired, the ISS™ function can be disabled by setting the 'ISS Disable' switch on the back panel to 'ON' position. In this mode, the monitor is only powered on and off using the mains power switch.
Note that the mains power switch will always turn the monitor off completely.
Sophisticated drive unit protection circuitry for safe operation.
When working in critical audio production environments it is essential that monitoring systems remain reliable and functional at all times. One of the main reasons behind Genelec’s excellent success in broadcasting environments is the reliability of our products and a key element behind the reliability is the internal protection circuitry found in all products since 1978.
The protection circuitry prevents driver failures by detecting signal levels, and in case of sudden peaks or constantly too high levels, taking the signal level down automatically. Of course this feature does not affect the sound quality in any way when working within the specifications of the loudspeaker, but only prevents inadequate input signals from breaking the loudspeaker.
Protection circuitry features and benefits:
- Reduces the output level when required, (e.g. when driver voice coil temperature reaches the safe limit), which highly improves system reliability.
- Appropriate protection circuitry design in every loudspeaker and subwoofer enables the maximisation of system output sound level.
Each transducer is driven by its own optimised amplifier.
Audio electronic crossovers allow to split the audio signal into separate frequency bands that can be separately routed to individual power amplifiers, which are then connected to specific transducers optimised for a particular frequency band.
In a typical 2-way loudspeaker system, the active crossover needs two power amplifiers — one for the woofer and one for the tweeter. The power amplifiers are connected directly to the drivers of an active loudspeaker, resulting in the power amplifier’s load becoming much simpler and well known. Each driver-specific power amplifier has only a limited frequency range to amplify (the power amplifier is placed after the active crossover) and this adds to the ease of design.
The active design principle offers multiple benefits:
- The power amplifiers are directly connected to the speaker drivers, maximising the control exerted by the power amplifier’s damping on the driver’s voice coil, reducing the consequences of dynamic changes in the driver electrical characteristics. This may improve the transient response of the system.
- There is a reduction in the power amplifier output requirement. With no energy lost in the passive crossover filter components, the amplifier power output requirements are reduced considerably (by up to 1/2 in some cases) without any reduction in the acoustic power output of the loudspeaker system. This can reduce costs and increase audio quality and system reliability.
- No loss between amplifier and driver units results in maximum acoustic efficiency.
- Active technology can achieve superior sound output vs. size vs. low frequency cut-off performance.
- All loudspeakers are delivered as a factory aligned system (amplifiers, crossover electronics and enclosure-driver systems).
Referenzen
How GLM™ (Genelec Loudspeaker Manager) Software Works
How GLM™ (Genelec Loudspeaker Manager) Software Works
Frustrated that your material doesn’t sound so great on other systems? In this video we show you how to calibrate the Genelec SAM™ monitors with the Genelec Loudspeaker Manager (GLM™) Software to get the most out of your room and ensuring that your mixes translate perfectly.
LowBeats magazine's online review of Genelec 1238A studio monitor and 7380A studio subwoofer. The review is in German.
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Dokumentation
Dokumente
Operating Manual 1238A 1238 三分频智能有源监听音箱 - Chinese SAM™ Series Full Line Catalogue In-Room Product Performance Immersive Solutions BrochureLowBeats magazine's online review of Genelec 1238A studio monitor and 7380A studio subwoofer. The review is in German.
LowBeats magazine's review of Genelec 1238A studio monitor and 7380A studio subwoofer. The review is in German, and it is written by Jürgen Schröder. It was published on LowBeats website in September 2018.
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