TANDBERG D14128.02 manual Audio Signal Levels tables, Microphone Inputs 1 to XLR female

Codec C90 System Integrator Guide

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Audio Signal Levels tables

Microphone Inputs 1 to 8

XLR female

Signal	Clipping level		Nominal
levels			level
Level
setting
[dB]	[mVpp]	[dBu]	[dBu]
0.0	275.0	-18.0	-36.0
1.0	245.1	-19.0	-37.0
2.0	218.4	-20.0	-38.0
3.0	194.7	-21.0	-39.0
4.0	173.5	-22.0	-40.0
5.0	154.6	-23.0	-41.0
6.0	137.8	-24.0	-42.0
7.0	122.8	-25.0	-43.0
8.0	109.5	-26.0	-44.0
9.0	97.6	-27.0	-45.0
10.0	87.0	-28.0	-46.0
11.0	77.5	-29.0	-47.0
12.0	69.1	-30.0	-48.0
13.0	61.6	-31.0	-49.0
14.0	54.9	-32.0	-50.0
15.0	48.9	-33.0	-51.0
16.0	43.6	-34.0	-52.0
17.0	38.8	-35.0	-53.0
18.0	34.6	-36.0	-54.0

This specification is valid for Mic 1–8 inputs if Microphone Level setting is selected.

	Line Inputs 1		to 8
	XLR female
Signal	Clipping level			Nominal
levels				level
Level
setting
[dB]	[Vpp]	[dBu]		[dBu]
0.0	34.7		24.0	6.0
1.0	31.0		23.0	5.0
2.0	27.6		22.0	4.0
3.0	24.6		21.0	3.0
4.0	21.9		20.0	2.0
5.0	19.5		19.0	1.0
6.0	17.4		18.0	0.0
7.0	15.5		17.0	-1.0
8.0	13.8		16.0	-2.0
9.0	12.3		15.0	-3.0
10.0	11.0		14.0	-4.0
11.0	9.8		13.0	-5.0
12.0	8.7		12.0	-6.0
13.0	7.8		11.0	-7.0
14.0	6.9		10.0	-8.0
15.0	6.2		9.0	-9.0
16.0	5.5		8.0	-10.0
17.0	4.9		7.0	-11.0
18.0	4.4		6.0	-12.0

This specification is valid for Line 1-8 inputs if Line Level setting is selected.

Line outputs 5 to 6

XLR male

Signal	Absolute max		Nominal
levels	output level		level
Level
setting
[dB]	[Vpp]	[dBu]	[dBu]
–18.0	4.4	6.0	-12.0
–17.0	4.9	7.0	-11.0
–16.0	5.5	8.0	-10.0
–15.0	6.2	9.0	-9.0
–14.0	6.9	10.0	-8.0
–13.0	7.8	11.0	-7.0
–12.0	8.7	12.0	-6.0
–11.0	9.8	13.0	-5.0
–10.0	11.0	14.0	-4.0
–9.0	12.4	15.0	-3.0
–8.0	13.9	16.0	-2.0
–7.0	15.6	17.0	-1.0
–6.0	17.5	18.0	0.0
–5.0	19.6	19.0	1.0
–4.0	22.0	20.0	2.0
–3.0	24.7	21.0	3.0
–2.0	27.7	22.0	4.0
–1.0	31.0	23.0	5.0
0.0	34.8	24.0	6.0

Line Inputs 1 to 4

Female RCA/phone

Signal	Clipping level		Nominal
levels			level
Level
setting
[dB]	[Vpp]	[dBu]	[dBu]
0.0	17.4	18.0	0.0
1.0	15.5	17.0	-1.0
2.0	13.8	16.0	-2.0
3.0	12.3	15.0	-3.0
4.0	11.0	14.0	-4.0
5.0	9.8	13.0	-5.0
6.0	8.7	12.0	-6.0
7.0	7.8	11.0	-7.0
8.0	6.9	10.0	-8.0
9.0	6.2	9.0	-9.0
10.0	5.5	8.0	-10.0
11.0	4.9	7.0	-11.0
12.0	4.4	6.0	-12.0
13.0	3.9	5.0	-13.0
14.0	3.5	4.0	-14.0
15.0	3.1	3.0	-15.0
16.0	2.8	2.0	-16.0
17.0	2.5	1.0	-17.0
18.0	2.2	0.0	-18.0

Notes:

1.Default levels are marked with white text on black

2.For the dBu value for input clipping level and absolute max output level, a sine waveform is assumed

3.If numbers in dBV are required, dBV value is 2.2 dB lower than the dBu value. Example: -10 dBu equals -12.2 dBV

D14128.02—NOVEMBER 2008 26