From API Audio
The API 3122V is a compact, high-quality 2-channel preamplifier. It artfully combines API's proprietary transformers and the 2520 op-amp, creating a module that delivers the classic API sound while exhibiting the reliability, long life, and uniformity which is charactersitic of all API products.
Features:
- Front panel XLR input / Hi-Z 1/4 inch combo input, rear panel XLR input and output.
- Front XLR input source selector switch (the front XLR mic input is selected when engaged, rear when not
- The unselected XLR input source is disconnected from the preamplifier when not engaged
- The MIC switch must be engaged for either front or rear microphone input operation
- 48V phantom power is automatically removed from the unselected mic input
- Switchable input selector: when engaged -XLR input active, when disengaged - Hi-Z 1/4 inch input active
- Gain control: Mic preamp with gain range +34 dB to +68 dB
- Instrument / line preamp with gain range +14 dB to +48 dB
- 48V phantom switchable power
- Polarity switch inverts polarity of mic input signal
- Pad switch reduces input signal by 20dB
- Variable output level control knob (full clockwise rotation = unity gain)
- High-pass filter switch (50Hz, 12dB octave)
- 3:1 output transformer tap selector: when engaged - reduces output gain ratio from 1:3 to 1:1 (appx. 10 dB) when disengaged - output gain ratio 1:3
- VU meter for monitoring output level
Input Impedance
- Mic
- 1500 Ohms
- Hi-Z
- 470 kOhms unbalanced
- Output Impedance
- Less than 75 Ohms, transformer balanced
- Nominal Levels
- XLR channel output: +4dBu
- Frequency Response
- +/-0.5 dB, 20 Hz to 40 kHz
SNR
- Mic
- -128 dB
- Hi-Z actual
- -106 dB
- Gain Rance
- Mic input 14 dB min., 68 dB max
Hi-Z input -6 dB min., 48 dB max
- Metering
- VU calibrated for XLR output, 0VU = +4dBu PEAK LED calibrated to +18dBu at 312 amp output
Connections
- Front
- two female mic input XLRs, two Hi-Z instrument inputs
- Rear
- Two female mic input XLRs, two male line output XLRs
- Power Consumption
- 8 Watts
- Size
- 23.25" X 6.5" X 16.5"
- Actual Weight
- 9 lbs
- Shipping Weight
- 13 lbs
Free 3-Year Warranty
In addition to the standard included manufacturer warranty, virtually all new products carry our exclusive, industry-leading, absolutely free Sound Pure 3-Year Warranty, which includes parts and labor. It's our way of adding real value to the personal touch our small, dedicated team brings to every purchase.
Coverage exclusions live in Terms & Conditions, Section 27. Read the warranty →
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