Lexicon 480L | PDF - Freeverb3
Lexicon 480L | PDF - Freeverb3
Lexicon 480L | PDF - Freeverb3
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<strong>Lexicon</strong> <strong>480L</strong> Owner's Manual<br />
Setting Analog Output Levels<br />
The <strong>480L</strong> has digital oscillator programs to aid in<br />
setting system output levels.<br />
Set nominal output level to design center of receiving<br />
equipment as follows:<br />
2. A digitally-generated 1kHz should appear at all<br />
outputs (both analog and digital).<br />
Set the analog output level controls for both Main and<br />
Aux Out to register nominal operating level on the<br />
device receiving this signal.<br />
1. Load program 17.5 1kHz -12dB as follows:<br />
Press PROG<br />
Press BANK<br />
Press 1, then press 7<br />
Press PROG<br />
Press 5<br />
If additional headroom is desired, load program 17-4<br />
(1kHz -17dB).<br />
# Bits Dynamic Range<br />
in dB<br />
LARC Meters<br />
0VU or Design Center<br />
(Nominal Operating Level)<br />
1<br />
dBFS<br />
+12 dB<br />
2<br />
3<br />
4<br />
-6 dB<br />
-12 dB<br />
-18 dB<br />
+6 dB<br />
0 dB<br />
-6 dB<br />
HEADROOM<br />
+8 dBv (1.95 volts)<br />
+4 dBv (1.95 volts)<br />
-10 dBv (0.245 volts)<br />
5<br />
-24 dB<br />
-12 dB<br />
6<br />
-30 dB<br />
-18 dB<br />
7<br />
8<br />
-36 dB<br />
-42 dB<br />
-24 dB<br />
-12 dB headroom for Pop recordings<br />
9<br />
-48 dB<br />
10<br />
11<br />
-54 dB<br />
-60 dB<br />
-18 dB headroom for live recordings - Classical, Jazz<br />
12<br />
-66 dB<br />
13<br />
-72 dB<br />
14<br />
-84 dB<br />
15<br />
-90 dB<br />
16<br />
-96 dB<br />
17<br />
-102 dB<br />
18<br />
-108 dB<br />
Dynamic Range and Headroom Calibration<br />
2-10