T+A HV Series User Manual page 65

Frequency bandwidth of the analogue reconstruction filter
Normal operation up to 60 kHz and 'Wide'-Mode up to 120 kHz
The 'WIDE' setting produces the best sound quality, but only with high-
quality amplifiers which are able to process signal frequencies up to 300 kHz
without generating distortion.
If you are in any doubt about the ability of your amplifier to deal with very
high signal frequencies up to 300 kHz, please check this with the
manufacturer of your equipment.
Alternatively you can set the switch to the WIDE setting, and simply listen to
the results. If you hear no interference, and if the sound image is better than
that in the NORMAL setting, leave in the WIDE mode.
Frequency bandwidth of the two settings
 The 'WIDE' setting can be used without restriction with all
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