Genuin FS 4 MK 2

Produced 2010-2015
Genuin Fascination for each livingroom: appassionate sound in small cabinet.

No compromises, coherent with the Genuin Series shares the character and the fascination with the other models. Ideal for people who love listening for long time and enjoy it.
Implements the technologies of Blumenhofer: this is the secrets of the convincing sound of this loudspeaker.
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Blumenhofer Acoustics Genuin FS 4.2 Birch Nut

Specifications of the Genuin FS 4.2

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Relative Dimensions Genuin FS 4.2
2-Ways loudspeaker


Rear ported Bass-Reflex
• 18mm Birch plywood
• High complex internal bracing


• 1" Compression Driver with Mylar membrane
• 17cm (6") Woofer with P2C® Membran
• Gold plated tellurium copper terminals


• Single-wiring-terminals
Tube Friendly
• 10 years Warranty

Technical data of the Genuin FS 4.2

Genuin FS 4.2
MaterialMaterialMaterialeBirch plywoodBirke MultiplexMultistrato di betulla
ThicknessMaterialdickeSpessore18mm / 0,75"
Internal BracingVerstrebungIrrigidimentoNo
Cross over chamberKammer für FrequenzweicheVolume separato per filtroNo
Frequency rangeFrequenzgangRisposta in frequenza45Hz - 20kHz ± 2dB
Bass CabinetBass GehäuseCabinet dei bassiBass Reflex
PortingBass ReflexCanaleRearNach hintenPosteriore
WooferTiefmitteltönerWoofer170mm / 6,5"
P2C® Sandwich
Cross over frequencyÜbergangsfrequenzFrequenza di taglio1800 Hz
MidhighMittelhochtönerMedioaltiCompression driverKompressionstreiberDriver a compressione
Horn ThroatHornDiametro tromba1"
Membrane dimensionsMembranendimensionDimensione Membrana35mm / 1,4"
Max RMS power inputBelastbarkeit RMSPotenza RMS massima (RMS)100 W RMS
EfficiencyWirkungsgradEfficienza88 dB
ImpedanceImpedanzImpedenza8 Ohm
Impedance linearizationImpedanzlinearisierungLinearizzazione d'impedenzaNo
MaterialMaterialMaterialeGold plated copperVergoldetes KupferRame placcato oro
FeetsFüßePiediAdjustable SpykesRegelbare SpykesSpykes regolabili
DimensionsMaßenDimensioni890 x 270 x 248 mm
35 x 10,5 x 9,75 in
WeightGewichtPeso15 kg
Packaging dimensionsVerpackungsmaßenDimensioni imballate
Loudspeakers per cartonLautsprecher per KartonPezzi pro cartone1
Packaging weightVerpackungsgewichtPeso imballate20 kg

Dimensions of the Genuin FS 4.2

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Picture gallery of the Genuin FS 4.2


In our workshop we can offer true-wood veneers.
Wood is a natural product and depending on several factors might have different color and structure. Color and structure variations of the surface are not to be considered flaws.