LaChapell Audio 983s Two Channel Rackmount Tube Preamp - Manual (Page 4)

Internal Gain (microphone):
Internal Gain (Hi-Z):
Maximum Output:
Frequency Response:
THD+N:
Noise: (EIN)
SNR:
Input Impedance (microphone):
Input Impedance (Hi-Z):
Output Impedance:
Tube Compliment/Type:
Specifications:
3
SAFETY PRECAUTIONS:
supply, the 983S will get warm. Blocking or defeating any existing vent(s) is not recommended.
has the 3 rd prong for ground missing or defeated be used with the power supply.
contact with the 983S. If you notice fluids or moisture present inside the unit DO NOT turn power
on! Contact LaChapell Audio for direction.
72dB
52dB
+26dBu (1% THD+N, 22Hz to 20kHz)
10hz to 50kHz (-3dB)
Variable: 0.050% to 10% (per input gain control)
-122dB or better (22Hz to 20kHz w/150ohm load)
87dB (30dB of gian, 22Hz to 20kHz)
1500 Ohm
100K Ohm
8 Ohm
1/ea 12AX7 (per channel)