Total harmonic distortion: 0.1 % max. (1 kHz, 1 Watt)
Attenuation factor:
Transmission: 10 Hz - 20 kHz +/-0.5 dB
Frequency response:
Signal-to-noise ratio: > 95 dB
Stereo channel separation:
8 ohms: 300 watts
4 Ohm s: 600
8 Ohm :
4 Ohm :
here, if available
Audio Issue 9/2005; 2 products in the test: "outstanding" (high-end class; 100 points)
"The extremely dynamic amps can also control load-critical boxes. a956e985535b8d57732d14dfa0e4c71ated symmetrically, they sound even more precise."
Stereo Issue 6/2005; Single test: Sound level: 92%
Price/performance: "outstanding"
"...technically and sonically almost perfect monoblocks with almost endless power, vitality and sovereignty at an unrivaled price."
Hifi Test TV Audio Issue 2/2005; Single test: 1+; "Reference class"
Price/performance: "excellent"
"Plus: excellent sound quality; fancy design; very good build quality."
LP Issue 2/2005; Single test: Pulse rate: 135
"... It plays in regions far above its price range, but the favorable cost price relativizes with the electricity bill."
Area DVD 4/2007; Individual test: "outstanding"
Price/performance: 9 out of 10 points
"... also acoustically very delicate. In any case, the two SP-998s refute the prejudice of body builders who can no longer walk because of strength with effortless ease. ..."
"The extremely dynamic amps can also drive load-critical boxes. a956e985535b8d57732d14dfa0e4c71ated symmetrically, they sound even more precise."
Price/performance: "outstanding"
"...technically and sonically almost perfect monoblocks with almost endless power, vitality and sovereignty at an unrivaled price."
Price/performance: "excellent"
"Plus: excellent sound quality; fancy design; very good build quality."
"... It plays in regions far above its price range, but the favorable cost price relativizes with the electricity bill."
Price/performance: 9 out of 10 points
"... also acoustically very delicate. In any case, the two SP-998s refute the prejudice of body builders who can no longer walk because of strength with effortless ease. ..."