Datasheet

Features
• Mic input with stepless 10dB to 70dB gain
• Balanced Line input switchable
• LED output level and limit metering
• Prominent ‘overload’ LED
• Switchable phantom power with LED
• Switchable 75Hz high pass lter with LED
• Switchable polarity reverse with LED
• Switchable limiter with LED
• Limiter threshold control
• Line output control
• Balanced line output
Performance
• Frequency response linearity -0.5dB 20Hz to 20KHz
• Minimum gain: 32dB
• Maximum gain: 77dB
• Maximum output +22dBu oang transformer balanced
• Noise level (measured at 60dB gain) 128.6dB below input 20Hz to 20KHz
• Harmonic distoron (at 0dB output 1KHz) 2nd order 0.005%, 3rd order 0.03dB
• High Pass Filter 6dB/8ve 3dB down at 75Hz
Designed by Ted Fletcher and 100% made in the UK
Alice Ltd © 2020 - Alice 503 Mic Pre with Limiter www.alice.co.uk/support [e-mail]
15 +48v DC
14 -16v DC
13 0v
12 +16v DC
11 Line Input +
10 Mic Input +
9 Line Input -
8 Mic Input -
7 N/C
6 N/C
5 Audio GND
4 Output -
3 N/C
2 Output +
1 Chassis GND