Bullfrog passive

2-way Monitor with 15″/1″ Driver
set up as a stable phase point source
(concentric arrangement)

set up as a stable phase point source Crossover frequency 650 Hz

Power handling: 450 W max.
Frequency response: 30 Hz – 20 kHz
Impedance: 8 Ω

Compact two-way monitor15” Bass, with a central spherical horn,
very linear, plays loud and low volumes.

Is mainly used for studio monitors worldwide.

The compact size (45 x 45 x 45 cm and 24 kg weight)
makes it easy to handle and simple to transport.

Surfaces are freely available and range from simple to deluxe.
Internal or external passive crossover.

The point source makes it particularly suitable for smaller and ‘difficult’ rooms. Very clear and delicate acoustic pattern, virtually free from discolouration and also optimal for voice and music.

Because of its universal areas of application, it is equally suited to operation with smaller thoroughbred valve amplifiers as well as being able to deliver unbelievably from large power amps.

Optional extras are:
side handles, high stand suspension, bar mounting, resonance-damping feet, Flight cases.

Datasheet as PDF

  • 2016-bf-with-black-stand-red-pianopaintmail
  • 2014-klavierlack-heller-schnitt-gespiegelt-klein
  • dsc3647kl-mailjpg
  • sw-nase-bf-kirsch-gutmail
  • 2016-bf-grau-mail
  • 2016-bf-rot-kl-lackprodmail
  • 2017-bf-sattelmayermail


Now we come to the best sound of the show. The big Martion Orgon four way horn speaker is really something special. Electrostatic resolution with real life dynamics, give me more, please.


read the article