21
FX
™
Series Specications
Inputs
Function Input Z
(Ohms min)
Input Gain
Setting Min* Nominal** Max
Bal/
Unbal
Connector
Microphone
(150 Ohms)
2.2k
Max Gain
(60 dB)
Min Gain
(0 dB)
-76 dBu
-16 dBu
-56 dBu
+4 dBu
-40 dBu
+20 dBu
Bal
XLR Pin 1 Gnd
Pin 2 (+)
Pin 3 (-)
Line
(10 k Ohms)
20k
Max Gain
(40 dB)
Min Gain
(-20 dB)
-56 dBu
+4 dBu
-36 dBu
+24 dBu
-20 dBu
+40 dBu
Bal
1/4" TRS;
Tip (+)
Ring (-)
Sleeve Ground
Stereo Line
(direct to L/R)
10k
Max Gain
(20 dB)
Nominal Gain
(0dB)
-26 dBu
-6 dBu
-16 dBu
+4 dBu
+2 dBu
+22 dBu
Unbal 1/4" TS;
Tip (+)
Sleeve Ground
Stereo Line
(via channel)
10k
Max Gain
(20 dB)
Nom Gain
(0dB)
-36 dBu
-16 dBu
-16 dBu
+4 dBu
+2 dBu
+22 dBu
Unbal 1/4" TS;
Tip (+)
Sleeve Ground
Channel and
Group Insert
Return
22k
N/A
(0dB) -16 dBu +4 dBu +22 dBu Unbal
1/4" TRS; Tip (send)
Ring (return)
Sleeve Ground
EFX2 Return 20k
Max Gain
(10 dB)
Nom gain
(0dB)
-16 dBu
-6 dBu
-6 dBu
+4 dBu
+12 dBu
+22 dBu
Bal
1/4" TRS; Tip (+)
Ring (-)
Sleeve Ground
Media In 10k
Max Gain
(10dB)
Nom Gain
(0db)
-16 dBu
-6 dBu
-6 dBu
+4 dBu
+10 dBu
+20 dBu
Unbal
RCA Jacks
Input Levels
0 dBu=0.775 V (RMS)
* Min Input Level (sensitivity) is the smallest signal that will produce nominal output (+4 dBu) with channel and
master faders set for maximum gain.
** Nominal settings are dened as all controls set at 0 dB (or 50% rotation for rotary controls) for nominal output.
Microphone gain control is as specied.