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This section discusses the specifications, part numbers, and accessories for the
XTRA Series of audio power amplifiers. Topics that are covered, include:
Specifications
Part Numbers
Mounting
Specifications
Audio
Voltage gain
XPA 2002, XPA 2004 ............... 23x (27 dB)
XPA 2003C-70V/100V (ch. 1 and 2)
23x (27 dB)
XPA 2002-70V, XPA 2003C-70V (ch. 3 only)
57x (35 dB)
XPA 2002-100V, XPA 2003C-100V (ch. 3 only)
81x (38 dB)
Crosstalk ........................................ 75 dB (typical) @ 1 kHz
CMRR ............................................ 75 dB (typical) @ 1 kHz
Audio input
Number/signal type
XPA 2002, XPA 2002-70V, XPA 2002-100V
2 balanced/unbalanced
XPA 2003C-70V, XPA 2003C-100V
3 balanced/unbalanced
XPA 2004 ................................ 4 balanced/unbalanced
Connectors
XPA 2002, XPA 2002-70V, XPA 2002-100V
(2) 3.5 mm captive screw connectors, 3 pole
XPA 2003C-70V, XPA 2003C-100V
(3) 3.5 mm captive screw connectors, 3 pole
XPA 2004 ................................ (4) 3.5 mm captive screw connectors, 3 pole
Impedance ..................................... >10k ohms unbalanced/balanced, DC coupled
Nominal level ................................. +4 dBu (1.23 Vrms), balanced
Maximum level ............................... +21 dBu (8.69 Vrms), balanced
Input sensitivity .............................. +4 dBu (1.23 Vrms)
Input signal detection threshold ..... -40 dBu ±3 dB, balanced
NOTE: 0 dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV ≈ 2 dBu
XTRA Full Rack Power Amplier Series • Reference Information 18