512C

Mic Preamp with 65 dB of gain

Front and Back Panel Mic Input Access

Line/Instrument Preamp with 50 dB of gain

Front and Back Panel Line/Instrument Input

LED VU meter for monitoring output level

20 dB pad switch, applies to mic/line/instrument

48v Phantom switchable power

Traditional API fully discrete circuit design

Uses the famous API 2520 Op-Amp

Rear Connector:

Output on edge connector, MIC Input on edge connector, can be defeated

Front Connectors:

XLR MIC Input, HI-Z 1/4" Unbal Input

Gain Range

MIC: 34dB to 65dB (14dB to 45dB w/PAD)

HI-Z: 14dB to 45dB (-6dB to 25dB w/PAD)

Maximum Input Levels

MIC, +8 dBu

Unbal HI-Z Input, +36 dBu

Input Impedance:

MIC Input, 1500 Ohms (150 Ohm mic), HI-Z Unbal Input, 400 K Ohms (20 K Ohms with pad)

Output Impedance:

Less than 75 Ohms, Transformer Balanced

Clipping Level:

+30 dBu

Frequency Response:

+0, -.3, 30 to 20 kHz

Noise:

Equivalent Input Noise: -129, Mic In. -125, Un-Balanced In.

Actual Metered Noise:

Mic, -95 dBu, Un-Bal., -90 dBu

Distortion:

Less than .05% @ +4 Out, Less than .1% @ +28 Out

Power Consumption:

12/18 Volts/DC, @40 ma.

Size:

1.5" X 5.25" X 7" Deep

Size (Boxed for Shipping):

4.5" X 6.5" X 10.25"

Actual Weight:

1.41 lbs.

Shipping Weight:

1.94 lbs.