Amplifiers

The amplifier range of Hevos consists of a hybrid amps, the 400D, and 3 transistor amps, the 400S , the 1000S and the 400C build-in combo amplifier. The amps are built out of the best components, such as high end resistors and capacities, double sided PCB’s, Neutrik connectors and dustproof  potmeters. All these top components, and of course the design, make that HEVOS amps are very quiet and extremely stable.

The pre-amp in the 400D hybrid amsp is built with double triode tube 12AX7, that gives these pre-amps some nice properties, such as a wide dynamic range and the well known ‘warm’ tube sound. The tube is adjusted in a way that even at maximum power there is hardly any distortion. The power amp of the 400D is a class-D amplifier with Philips UcD technics. The class-D amplifier  is based on a a revolutionairy yet simple principle. The power MOSFETs do not amplify in the conventional way, but act as switches.

Advantage is that this power amplifier has an effinciency of >90%, which means that there is hardly any heat dissipation! Because of that it was possible to fit the whole hybrid bass amp into a 19″ case of only 1hu height !! The Philips Ucd technics provide the amp with high-end properties, such as an extreme low distorsion and a damping of >2000 at 4 Ohms and 1 kHz. For more information about class-D please read the “Bassics” page.

The 400S is a compact all transistor amp with a class-D poweramp of 400 Watts and a switched power supply. The 400S is a completely noiseless, powerful amplifier with extensive possibilities for both bass guitar players and double bass players. Because of the switched power supply the 400S weighs only 2 kgs.

The 1000S is comparable to the 400S, but has 2 power amplifiers. Because of this the 1000S delivers  2x 400 Watts /4 Ohms and in the bridged mode 800 Watts / 8 Ohms. Because of the switched power supply the 1000S weighs only 2 kgs.

The 400C is used in all Hevos combos. It is a compact all transistor amp with a class-D poweramp of 400 Watts and a switched power supply. The 400C is a noiseless, powerful amplifier with extensive possibilities for both bass guitar players and double bass players. Because of the switched power supply the 400S weighs only 2 kgs.

More information about the 400D, 400S , 1000S and 400C (click on the link or have a look at the menu.