XR™684 SPECIFICATIONS
:
Input Specifications:
Function Input Z Input Gains Input Levels Bal/ Connector
(ohms) control Min** Nominal* Max UnBal.
Min setting
Lo-Z 2 k Max w/o pad -60 dBu -30 dBu -11 dBu Bal. XLR: Pin 1 Gnd,
(150 ohms) (50 dB) Pin 2 (+), Pin 3 (-)
Channel 1-8 Max. w/pad -35 dBu -5 dBu +13.5 dBu
(25 dB)
Hi-Z 100 k Max w/o pad -60 dBu -30 dBu -12 dBu Bal. 1/4" TRS: Tip (+),
(50 dB) Ring (-),
Sleeve Ground
Channel 1-4 Max w/pad -35 dBu -5 dBu +12.5 dBu
(25 dB)
Line Input 22 k Max. w/o pad -28 dBu +2 dBu +21 dBu Unbal. 1/4" TRS: Tip Send,
(30 dB) Ring Return,
Channel 5-8 Max. w/pad -3 dBu +27 dBu +46 dBu Sleeve Ground
(5 dB)
Tape 20 k Max. Gain -28 dBu +2 dBu +21 dBu Unbal. RCAJacks
Channel 9 (30 dB)
0 dBV=1V (RMS)
** Min input level (sensitivity) is the smallest signal that will produce nominal output (2 dBu) with channel and master
level controls set for maximum gain.
* Nominal settings are defined as all controls set a 0 dB (or 50% rotation for rotary pots)
XR 684 Output Specifications:
Function Minimum Load Z Output Level Bal./Unbal. Connector
(ohms) Nominal Max.
Main L/R 600 +2 dBu +21 dbu Unbal. 1/4" Phono Tip (+),
Sleeve Ground
Monitor 600 +2 dBu +21 dBu Unbal. 1/4" Phono Tip (+),
Sleeve Ground
Tape 10 k -10 dBu +10 dBu Unbal. RCA
+2 dBu = 0 dBV = 1V (RMS)
Gain: Mic Input to L and R Output
Hi-Z Input to L and R Output
Line Input to L and R Output
60 dB (Max. Gain)
60 dB (Max. Gain)
30 dB (Max. Gain)
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