Simpelstark PLUS V1.3 kit (2 x PCBs + parts)

Regular price $229.90

Building guide for this product is available in the Downloads section.

Simpelstark amplifier opens our Delicate Sound amplifiers family.

A specialty of this design is high linearity of every stage and low amount of global negative feedback - only 18db of ODNF error correction. The amp is particularly good for acoustic music - jazz, classics, guitars, vocals, drums, cymbals, etc.

The amplifier is dead silent at idle, which is a big advantage for listening at the low volumes and/or with some high-sensitivity speakers.

The full building manual will be available soon, meanwhile - if you order the kit we provide all necessary documentation and of course - our support for the build.

Key specifications with +/-50V rails (VHex+ Classic):

  • Maximum output power: 100W @ 8 ohm; 160W @ 4 ohm
  • Voltage gain 29db
  • Input impedance 47 Kohm
  • THD: 1KHz - 0.007%, 10KHz - 0.05%, 20KHz - 0.07% (measured at 50W @ 8 ohm)
  • IMD: 14+15KHz - 0.007% (measured at 50W @ 8 ohm)

The board dimensions: 180 x 100 mm