ALLEN & HEATH XONE V6 User Manual page 40

RIAA
This graph shows the equalisation curve of the
channel RIAA input. This compensates for the response of
the pickup cartridge to result in a flat music response.
20.00 Hz 100.00
40
RIAA Response
1000.00 10000.00
Valve channel distortion
harmonic distortion associated with the valve preamp. The
1kHz test tone is shown, together with a strong second
harmonic distortion. This accounts for the 'musical warmth'
associated with valve circuits.
dBr dBu
20.00
-0.00
15.00
-20.00
10.00
-40.00
5.00
-60.00
0.00
-80.00
-5.00
-100.00
-10.00
-120.00
-15.00
-20.00 -140.00
20000.00 20.00 Hz
This graph shows the
FFT of Valve Input
100.00 1000.00
XONE:V6 User Guide
10000.00 20000.00