Mono Block Power Amplifier Krell S 150

Not only strong, but the motto for the development of Krell said S quickly 1505400 euros the pair), and so the Yanks are characterised by wonderful free MIDs and highs.

  1. Mono block power amplifier Krell S 150
  2. Data sheet

Mono blocks? S 150 by Krell appear rather stick-shaped and once abandon puzzles to the music lover. He could juxtapose five pieces for the opinion of a surround speakers set, the American manufacturer recommends.

With 5 x 8.6 = 43 cm wide would give a course HiFi level then. The cautious owner of S_150 shakes his head but, because certainly not unimportant cooling slots have power amplifiers narrow Hanse, who beat euros per pair with 5_400, also on the side.

But what the heck, the true eternal placed his favorites already on the floor right next to the boxes. As such, he recognizes also the benefit of exclusive design: the Krell engineers ordered the toroidal power transformer, which can permanently implement 310 Watts, on the front of the power amplifier. So, the input electronics, who sits at the other end on the rear, must be ever safe from magnetic stray fields of the alternator. Especially since eight thicker Electrolytic Capacitor power storage and two smaller shielding between them are.

When deepened the admiration. To the treatment of the positive and negative supply voltage, Krell took separate diode quartets here, and two more for the corresponding precursor potentials. For the latter, make stabilization circuits that work with energetic power transistors, absolute tranquility and cleanliness.

The same 14-amp strong Semiconductors (2 SA 1860_ / 2SC4886) three in the push-pull – also in the power amplifier can be found – twice. Further two act as driver and additional control also the connected loudspeaker systems with their excess forces.

Not only strong, but the motto for the development of the 150 was quickly, and so the Yanks are characterized by wonderful free MIDs and highs. And a gorgeous wide space which they filled with life in a fluent and elegant, never Sharply intrusive way. So, Vienna Teng appeared staggered a step backwards, with particularly good mood and relaxed on “National territory”. The wild percussion of “Radio” aired and never pinched in the ears. The bass pulsed uninhibited happy to do so. Only if there was thick, the foundations of bass were a little shaken. The rating count for 55 points had to remain so – still the slender Monos deserve most sympathy.

Krell S 150

Manufacturer Krell
Price €5400.00
Rating 55.0 points
Test procedure 1.0

Technical data and test results

Dimensions: per B: 8.6 x H: T: 14.4 x 22.0 cm
Weight: each 15,4 kg
Measured values
RMS power at 8 Ω / 4Ω 180,0 / 276.0 W
Damping factor
100 Hz / 10 kHz
Signal to noise ratio 109.0 dB(A)
Standby consumption 13,6W
Short conclusion Carefully constructed, flagella compact Mono blocks, which nominally properly deliver performance with the latest technology. Blades very finely and place in but not too sturdy bass Foundation
Sound Top-class
Sound points
(maximum 70 points)
Measured values
(maximum 10 points)
Practice amplifier
(max. 15 points)
(maximum 10 points)
Overall rating (maximum 120 very good 82
Price / performance good – very good
tested in issue: 6 / 10