Gran Gioia

Back to the roots: horns, high efficiency, live feeling. True Joy!

Front loaded horn in a floor directed vented cabinet.
Back to the origin of music reproduction.
Speed and live feeling are the main arguments for this speaker which is able to transmit the full joy and emotion of music.
The Gran Gioia is able to fill even larger rooms without any concern.
What's the Gran Gioia? Big Joy.
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Blumenhofer Acoustics Gran Gioia

Specifications of the Gran Gioia

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Relative Dimensions Gran Gioia
High efficiency
2-Ways loudspeaker


• Front midrange horn
Floor ported Bass-Reflex
• 25mm Birch plywood
• Resonance and flow optimized bass reflex tunnel
Harmonic construction


• 1.4” Compression Driver with Titan membrane
• 38cm (16") Paper Woofer
• Gold plated tellurium copper terminals


• 2-1dB-steps level adjustment for the horn
• Bi-wiring- / Bi-amping -terminals
Time alignment
• Switchable impedance linearization for the crossover frequency
• Flat impedance curve
Tube Friendly
• 10 years Warranty

Technical data of the Gran Gioia

Gran Gioia
MaterialMaterialMaterialeBirch plywoodBirke MultiplexMultistrato di betulla
ThicknessMaterialdickeSpessore25mm / 1"
Internal BracingVerstrebungIrrigidimentoStructural bracing interactionStrukturelle interaktionInterazione strutturale
Cross over chamberKammer für FrequenzweicheVolume separato per filtro-
Frequency rangeFrequenzgangRisposta in frequenza35Hz - 20kHz ± 2dB
WooferTiefmitteltönerWoofer380mm / 15"
Bass CabinetBass GehäuseCabinet dei bassiHorn in bass reflex cabinetHorn in Bass Reflex Geh?useTromba in cassa bass reflex
PortingBass ReflexCanale ReflexFloorZum BodenA pavimento
Horn loadHorn RichtungCarico a trombaFrontNach vorneAnteriore
Cross over frequencyÜbergangsfrequenzFrequenza di taglio800 Hz
MidhighMittelhochtönerMedioaltiCompression driverKompressionstreiberDriver a compressione
Horn ThroatHornDiametro tromba1,4"
Membrane dimensionsMembranendimensionDimensione Membrana75mm / 3"
MaterialMaterialMateriale TitaniumTitanTitanio
Max power inputBelastbarkeitPotenza massima (RMS)150 W RMS
EfficiencyWirkungsgradEfficienza100 dB
ImpedanceImpedanzImpedenza8 Ohm
Impedance linearizationImpedanzlinearisierungLinearizzazione d'impedenzaYesJaSi
MaterialMaterialMaterialeGold plated tellurium copperVergoldetes tellurium KupferRame tellurio placcato oro
FeetsFüßePiediAdjustable SpykesRegelbare SpykesSpykes regolabili
DimensionsMaßenDimensioni1235 x 555 x 765 mm
WeightGewichtPeso100 kg

Dimensions of the Gran Gioia

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Picture Gallery of the Gran Gioia


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.