8381A Master Edition
Discover every detail of sound
 
                Relax, entertain and feel
Meet The Ones
When ideal sound from loudspeakers and wall reflections arrives coherently at our ears, no matter where we are in the room, we are touched by the full emotional impact and healing powers of audio. Genelec The Ones are all built to deliver this experience, with the 8381A 'The Main Ones' model standing at the pinnacle.
 
                Your home at its best
With sound like the artist intended
Depending on positioning within the room, the sound of uncalibrated loudspeakers changes. With the 8381A, automatic calibration is included, so the loudspeaker system adapts with ease to sound neutral in your room – allowing you to freely choose the position. The calibrated sound can be set according to professional music studio standards, cinema standards, or simply to your personal taste. The choice is yours, and presets can be easily stored and switched.
 
                Built on passion and innovation
The apex of Genelec design and technology
The five-way, full-range 8381A incorporates advanced, high SPL evolutions of our phase-coherent, point source MDC™ Driver and Adaptive Woofer System – proprietary technologies that have revolutionised the world of audio forever. Born of the expertise we've gained over more than 45 years as the world's leading manufacturer of studio monitors, this pioneering high-end solution represents the very finest in Genelec engineering.
 
                Dressed to impress
A shining beacon of excellence
Celebrated Finnish Industrial Designer Harri Koskinen has once again collaborated with Genelec to ensure that while every element of the 8381A Master Edition is crafted for absolute acoustical excellence and premium quality, the loudspeaker also looks the part.
 
                Assured sustainability
Genelec's award-winning approach
At Genelec, sustainability and repairability are at the heart of everything we do. At our lakeside factory in the idyllic town of Iisalmi, Finland, we work tirelessly to reduce our carbon footprint, recycle waste, and use renewable energy and materials, following the highest environmental, social and industrial standards.
Like all our loudspeakers, the 8381A is lovingly built to last a lifetime and optimised to minimise consumption wherever possible, making it a truly gratifying investment – capable of igniting your audio passion for decades to come.
Technical Specifications
 
SPL
126 dB
 
Amplifier Power
2 X 5926 W Full range (Class D)
 
Frequency Response
20 Hz - 35 kHz ("-6 dB")
 
Accuracy of Frequency Response
± 1.5 dB
 
Driver Dimensions
2 x ⌀ 381 mm Bass + ⌀ 381 mm Bass + 4 x ⌀ 127 mm Midrange + ⌀ 127 mm Coaxial Midrange + ⌀ 25 mm Coaxial Tweeter (view in inches)
 
Dimensions
H 1458 x W 500 x D 694 mm, (view in inches)
 
Weight
235 kg / 518.1 lb
 
Connections
2 x XLR Analog Input
2 x XLR Analog Output
2 x XLR AES/EBU Input
2 x XLR AES/EBU Output
4 x RJ45 Control
8381A
SAM™ Adaptive Point Source Main Monitor
Technical Specifications
Our 8381A empowers engineers and creators to perceive every sonic detail, offering true-to-life sound level and dynamics – with the full flexibility of free-standing monitor placement and advanced room adaption.
 
     
   
System Specifications
Frequency Response
(± 1.5 dB)
                    Low cutoff -6dB
                        20 Hz
            
                            High cutoff -6dB
                            
                                    35 kHz
                            
                        
 
                    SPL
            Peak SPL Maximum output per pair.
            ≥129 dB
                    
                        
            Short term max SPL Mean SPL in range 100 Hz - 3 kHz,
            ≥126 dB
                    
                        
THD < 10 % f < 200 Hz, THD < 3 % f > 200 Hz
Short term sine wave, at 1 m, on axis, in half-space.
            Long term max SPL Maximum long term RMS acoustic output, IEC-weighted noise (limited by protection circuit) at 1 m, half-space.
            ≥121 dB
                    
                        
Self-generated noise
Weight
Weight235 kg (518.1 lb)
Dimensions
            Height 
            1458 mm
            
        
            Width
            500 mm
            
        
            Depth
            694 mm
            
        
Enclosure 1 dimensions: 880 x 694 x 500 mm Enclosure 2 dimensions: 570 x 694 x 500 mm Packing dimensions: 1076 x 1200 x 1000 mm
 
                    Enclosure
                        Enclosure material
                            MDF 
                        
                
Drivers
                    Driver type
                        Cone 
            
Double Low Woofers
                                            Count
                                            2
                                        
            Diameter
            381 mm
            
        
                    Driver type
                        Cone 
            
Front Woofer
            Diameter
            381 mm
            
        
                    Driver type
                        Dome 
            
Quad Midrange System
                                            Count
                                            4
                                        
            Diameter
            127 mm
            
        
                    Driver type
                        Cone 
            
Coaxial Midrange
            Diameter
            127 mm
            
        
                    Driver type
                        Dome 
            
Compression tweeter voice coil 25 mm (1 in), throat 13 mm (0.5 in)
            Diameter
            25 mm
            
        
Directivity
 
                             
                            Harmonic distortion
Amplifier Section
Amplifiers
2 x 5926 W Class D
                    
                         2 X Class D amplifiers.
 19 in rack mount, 3U high. Each amplifier is uniquely calibrated to a cabinet at Genelec factory in Iisalmi.
Total amplifier power is 5926 W.
                                    Weight
                                    11 kg
                                    (24.3 lb)
                                
Mains voltage
100-240 VAC 50/60Hz
Power consumption
                        ISS Active
                            ≤1.2 W
                        
                
                        Idle
                            ≤140 W
                        
                
                        Full output
                            2200 W
                        
                
Signal processing section
Connectors
                                    2 x Input Analog signal input connector XLR female, balanced 10 kOhm.
                                
                                    
                            
                                    2 x Output XLR output connectors, 10 kOhm.
                                
                                    
                            
                                    2 x Input Digital signal input connector XLR female 110 Ohm.
                                
                                    
                            
                                    2 x Output Digital signal output / Thru connector XLR male 110 Ohm.
                                
                                    
                            
                                    4 x Control Four CAT5 (RJ45) GLM Network connectors for computer control using the Genelec Loudspeaker Manager (GLM) software.
                                
                                    
                            
Crossover
Lower Woofer/Front Woofer
50-100 Hz (variable)
Front Woofer/Quad Midrange System
150-250 Hz (variable)
Quad Midrange System/Coaxial Midrange
500 Hz
Coaxial Midrange/Tweeter
1800 Hz
Product Variants
Product codes
For even more technical details please see product operating manual.
Register your interest
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