Function
Input Z
(ohms)
Min
Input
Gain
Setting
Input Levels
Min** Nominal* Max
Balanced/
Unbalanced
Connector
Microphone
(150 ohms)
5K Max gain
(56 dB)
Min gain
(10 dB)
-72 dBu
-26 dBu
-52 dBu
-6 dBu
-34 dBu
+10 dBu
Balanced XLR Pin 1 Gnd,
Pin 2 (+),
Pin 3 (-)
Line
(10K ohms)
10K Max gain
(46 dB)
Min gain
(0 dB)
Insert
Return
22K N/A
(0 dB)
Stereo
Line
Input
20K Max gain
(20 dB)
Min gain
(0 dB)
Aux
Return
22K N/A
(0 dB)
Tape 10K N/A
(14 dB)
-62 dBu
-16 dBu
-42 dBu
+4 dBu
-24 dBu
+20 dBu
-16 dBu +4 dBu +20 dBu
-36 dBu
-16 dBu
-16 dBu
+4 dBu
0 dBu
+20 dBu
-12 dBu +4 dBu +20 dBu
-26 dBu -10 dBu +6 dBu
Balanced
Unbalanced
Unbalanced
Unbalanced
Unbalanced
1/4" TRS; Tip (+),
Ring (-), Sleeve
Ground
1/4" TRS; Tip Send,
Ring Return,
Sleeve Ground
1/4" Phono
1/4" Phono
RCA Jacks
0 dBu = 0.775V (RMS)
** Min input level (Sensitivity) is the smallest signal that will produce nominal output (+4 dBu) with sub and master controls
set for maximum gain.
* Nominal settings are defined as all controls set at 0 dB (or 50% rotation for rotary pots) except the gain adjustment pot,
which is as specified.
SRC
®
4018, 4026 and 4034
Sound Reinforcement Mixer Specifications:
Input Specifications:
Page 14