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Hercules Fortissimo III 7.1 and Digifire 7.1

Fortissimo III 7.1: Input And Output Quality, Continued

The following results show the quality of Fortissimo III 7.1 recording via the line-in stereo input. The test line was: DMX 6Fire 24/96 Stereo Out - Fortissimo III 7.1 line in.

Right Mark Audio Analyser Results
Bande passante (from 40 Hz to 15 kHz), dB:+0.02, -0.07Excellent
Signal to noise ratio, dB (A):-81.0Good
Dynamic range, dB (A):78.4Average
Total harmonic distortion, %:0.0084Very good
Intermodular distortion, %:0.043Good
Stereo crosstalk, dB:-76.1Very good

Once more Fortissimo III comes off very well with excellent bandwidth compliance and a very good signal-to-noise ratio, even though it comes nowhere near the 95 dB and more of more music-focused cards.

From 20 Hz to 20 kHz, dB-0.40, +0.02
From 40 Hz to 15 kHz, dB-0.07, +0.02

RMS power, dB:-79.5-79.3
RMS power (A-weighted), dB:-81.0-80.8
Peak level, dB FS:-66.2-66.8
DC offset, %:-0.00-0.00

Dynamic range, dB:+76.8+76.7
Dynamic range (A-weighted), dB:+78.6+78.4
DC offset, %:-0.00-0.00

THD, %:0.0090.008
THD + Noise, %:0.0220.022
THD + Noise (A-weighted), %:0.0210.021

IMD + Noise, %:0.0430.043
IMD + Noise (A-weighted), %:0.0370.037

ParameterG <- DG -> D
Crosstalk at 100 Hz, dB:-71-72
Crosstalk at 1 kHz, dB:-73-75
Crosstalk at 10 kHz, dB:-63-63