All Hevos cabinets are vented box types. A vented-box is a cabinet with a so called vent, usually placed at the front side of the cabinet. This vent connects the interiour of the box with the outside. Here you see a schematic drawing of a Hevos cabinet. The vent is at the bottom and is an integrated part of the cabinet.
Wrongly, many people think that the purpose of this vent is to lead the air inside the cabinet to the outside. Reality is a bit more complicated. The air mass inside the vent is triggered at a specific frequency by the moving air energy from the back of the loudspeaker frame and is going into resonance. The whole secret is to make this air mass move at the right time and at the right frequency. Crucial in this matter are the position and the dimensions of the vent. Within certain limits the cabinet designer can choose at which frequency the vent is tuned. Continue reading
Hevos 400D hybrid bass amp. High end tube pre amp (front), 400W class-d power amp (center), extreme stable power supply ( top right and left).
German magazine Gitarre&Bass wrote: “Beyond all doubt is the flawless and transparant sound of studio quality delivered by the hybrid amplifier, even at very high volumes. Moreover, the 400D manages to create this translucent and detailed sound reproduction by no means in a cool, but rather a well balanced warm way. These are real top qualities!“.
Read the review and more specs at http://www.hevos.nl/en/400d/
Special edition: Power 2×10″ + 1×18″ ! The 2×10″ cab has a continuous power handling of 800 Watts AES, the 1×18″ of 1000 Watts AES. Designed and made on demand for a hardrock bassist. Wow, what a massive bass !! And yet easy to handle.
Hevos at Facebook : https://www.facebook.com/hevosbassamps
Midget combo , waiting to be shipped abroad
Delivering amps at the bass centre of Adrian Kuban-Maruszczyk (near Aachen, Germany), one of the largest bass centres in Europe.
Type: transistor class-D, high end
Power: 400 Watts/4 Ohms
Damping: >2000/1 kHz/4 Ohms
Inputs: 2x, independent gain
Tone control: 4 band active
Protection: short circuit, open output, DC-protection output, temperature protection, mismatch, clip, delayed switch on
Divers: mute-out, headphone output, -6dB switch, phase turn switch, symmetrical line-out with pre-post switch
Output: 2x Speakon
Weight: 2 kgs
Hxwxd: 7x23x20 cm
Made in Holland
The hybrid (tube preamp, Class-D power amplifier) bass amplifier 400D is available again with a new power amplifier! This power amplifier has even better specifications and is completely high end.
German magazine Gitarre & Bass wrote about the 400D: “Beyond all doubt is the flawless and transparant sound of studio quality delivered by the hybrid amplifier, even at very high volumes. Moreover, the 400D manages to create this translucent and detailed sound reproduction by no means in a cool, but rather a well balanced warm way. These are real top qualities!”
Read specifications and test reports about the 400D here.
Price: € 1295,- incl. BTW
For the 400D a matching 1U flight case is available.
Oh what a cold and rainy spring we have this year. We need some positive stimulus! Therefore Hevos gives a discount reduction in the price of the existing stock of as much as 10%! This offer will run until the 1st July. After that the sun should take over from us. The offer applies to all amplifiers, speaker cabinets and combos being in stock. As long as stocks last.