Our target was to be able to deliver the Blumenhofer sound in an elegant outfit. Keeping speed, horn and power. Transmitting the goosebumps and the intention of the musician. All technologies developed in the last years have been implemented in these loudspeakers. The construction is quite complex but highly effective.

  • Category: Corona



• High efficiency
• 2-Ways loudspeaker


• Bassreflex cabinet with midrange horn
• New waveformer technology
• Front ported Bass-Reflex
• Resonance and flow optimised bass reflex
• Harmonic construction


• 1.4” Compression Driver with Titan membrane
• 4x 180mm (6,5") Paper or P2C Woofers
• Gold plated tellurium copper terminals


• Bi-wiring- / Bi-amping -terminals
• Time aligned
• Switchable impedance linearisation for the crossover frequency
• Tube Friendly
• 10 years Warranty

Technical Data

Corona 2x220Corona 4x180 P2CCorona 4x180 P
MaterialBirch plywood
Thickness18mm / 0,75"
Internal BracingStructural bracing interaction
Cross over chamberNoYes
Frequency range36Hz - 20kHz ± 2dB
Bass CabinetHarmonic
Bass Reflex
PortingFront, behind horn

Woofer2x 20cm / 8"4x 17cm / 6,5"
P2F® Sandwich
P2C® Sandwich
Cross over frequency850 Hz1000 Hz

MidhighCompression driver
Horn Throat1,4"
Membrane dimensions75mm / 3"

Max power input300 W RMS300 W RMS250 W RMS
Efficiency96 dB94 dB
Impedance4 Ohm
Impedance linearizationYes
MaterialGold plated tellurium copper

FeetsAdjustable Spykes
Dimensions450 x 630 x 1130 mm
17.75 x 24.8 x 44.5 in
425 x 605 x 1190 mm
16.75 x 23.8 x 46.8 in
Weight50 kg
Packaging dimensions2x 70x60x103 cm
1x 39x39x115 cm
Packaging weight2x 45 kg
1x 25kg