ALLEN & HEATH XONE V6 Guide de l'utilisateur télécharger pdf (Page 40)

40 XONE:V6 User Guide

20.00 Hz 100.00 1000.00 10000.00 20000.00

-20.00

-15.00

-10.00

-5.00

0.00

5.00

10.00

15.00

20.00

dBr

RIAA Response

20.00 Hz 100.00 1000.00 10000.00 20000.00

-140.00

-120.00

-100.00

-80.00

-60.00

-40.00

-20.00

-0.00

dBu

FFT of Valve Input

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.

Valve channel distortion This graph shows the

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.

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ALLEN & HEATH XONE V6 Guide de l'utilisateur Page 40