AMS 1073DPA User Manual - Page 8

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1073DPA & 1073DPD Mic Pre-Amplifier

DPD Headroom Level Setting

The following information covers later units that have been fitted with the Level Change
Switch.
If you have a unit which does NOT have this switch fitted and you need to change the level
setting please contact AMS Neve or your local distributor.
How to change the Headroom Level Setting
The unit can be set to one of two headroom settings; 18dB or 26dB. The headroom set is the
number of dB above 0dBu before the ADC clips. The clip led will still come on around 3dB below
clipping in either setting.
The headroom can be changed by operating the switch through the hole marked by the 'Headroom
Setting' label on the top of the unit - see diagram below.
For 18dB operation the switch should be in the down position.
For 26dB operation the switch should be in the up position (not operated).
-
Only use a non-metallic plunger tool to operate the level change switch.
Issue 2
1073DPD Top View
Front
User Guide
10
1
1073DPD
HEADROOM SETTING
Adjust with a non-metallic tool
Page 6