Chameleon Labs 7603-XMod Microphone Preamplifier and EQ

On Switch: Turn Pre Amp On - VU Meter Light
300Ohm / 1200Ohm Switch: Switch between 300Ohm and 1200Ohm input impedance for the mic input
48V Power Supply Switch: On/Off
DI Switch: Direct Input with 100KOhm input sensitivity
EQ Switch: Engages audio high pass filter and equalization circuits
Polarity Switch: Reverses the polarity of the audio signal
Mic/Line Sensitivity Switch: +20dB to +70dB of mic boost and -30dB to +20dB of line level adjustment.
High Pass Filter: Provides a 15dB/octave high pass filter at 40Hz, 80Hz, 160Hz and 320Hz
Low Frequency Equalization: Provides +/-15dB of Boost or Cut at 35Hz, 60Hz, 110Hz or 220Hz
Mid Frequency Equalization: Provides +/-15dB of Boost or Cut at 360Hz, 700Hz, 1.6kHz, 3.2kHz, 4.8kHz or 7.2kHz
High Frequency Equalization: Provides +/-15dB of Boost or Cut at 3.4kHz, 4.9kHz, 7kHz, 12kHz or 16kHz

- Microphone (XLR): Transformer balanced input, RF isolated
- Line (XLR): Transformer balanced input, RF isolated
- Direct In (1/4" TRS): High impedance instrument input

Input Impedance:
- Microphone: 300Ohm or 1200Ohm
- Line: 10kOhm line bridging from 600Ohm or lower source impedance
-Direct Input: 100kOhm

- Microphone: From -70dBm to -20dBm in 5 dB steps for 0dBm output
- Line: From -30 dBm to +20 dBm in 5 dB steps for 0 dBm output

Noise Specification: Better than -125dBm EIN between -80 and -40 dBm referenced to 600 Ohm input impedance, SNR 116dB at maximum output
Output Type: Transformer balanced and floating to drive 600 Ohm load
Maximum Output: +28dBu into 600Ohm load impedance
Frequency Response: 10Hz - 20kHz -0.5dB 10Hz - 50kHz -1dB
Indicators VU Meter Light: Power ON
Red Input Gain: Input Overload
Red Output Gain: Output Overload
Power Supply 100V - 240V (50/60Hz):
Switch mode power supply, fully shielded 3 amp peak output capability, quiescent consumption 0.5 Watts

- 1RU Steel enclosure
- Aluminum front panel
- Laser etched graphics
- Milled aluminun knobs
Dimensions and Weight in Packaging
Base Item
Shipping Weight: 15.75 lbs
Shipping Dimensions: 21 x 17 x 5 in
Manufacturer Part Number (MPN): 7603Xmod
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