Phoenix Audio DRS-1R - Mono Class A Microphone Pre-Amplifier/DI in API 500 Series - Manual (Page 2)

DRS-1R Specifications
API 500 series compatible rack unit:
Class A (DSOP2) Output specs. Frequency response: 20Hz to 20kHz
+ 0.5dB,
Maximum Output = +26dBu @ 1kHz, Noise = -90dB @ 20Hz to 20kHz.
Input connections: TRS 1/4" Jack on front for DI input
Phoenix Audio’s unique Class A, transformer-less, True electronically
balanced Mic input stage.
Gain Range (Mic input): -30 to -70 in 5dB steps With 10dB more
available on the output fader.
Gain reduction: -30dB pad push-button Mic/Line switch (Mic input)
High Input Impedance DI: Mono 1/4" Jack on front panel
Gain Meter: LED Metering. ((Green = -2dbu, +4dbu & 10dBu,
Yellow = +13dbu Red= +16dBu)
Phantom Power: Switchable phantom on Push-button Switch
High Pass Filter: on Push-button Switch set at 120hz 6db roll off per
octave
Phase Reverse: on Push-button Switch
Mute : on Push-button Switch
Frequency Response Mic Input Stage: -0.4dB @ 40Hz, -0.3dB @ 25kHz
Frequency Response: DI Input Stage: -0.3dB @ 40Hz, - 0.5dB @ 25kHz
Typical Headroom: +24dB on Mic-Pre stage
DI Stage gain: Maximum of 20dB