PreSonus | Eureka - Techspecs

Microphone Preamp
Input Impedance, XLR Input	1.3 kΩ
Input Impedance, Line Level Input	10 kΩ
Connectors	Neutrik™ Combo
Gain	+12 dB to +52 dB
Noise Floor	-112 dBu (+12 dB gain)
EIN	-127 dB
THD + Noise (0% saturation)	<0.005%
THD + Noise (full saturation)	<0.5%
Microphone Input Connector	XLR
Microphone Input Impedance (selectable)	50Ω, 150Ω, 600Ω, 1.5 kΩ, or 2.5 kΩ
Instrument Input Connector	¼” TS
Instrument Input Impedance	1 MΩ
Send Connector	¼” TRS balanced/unbalanced
Send Output Impedance	51Ω
Return Connector	¼” TRS balanced/unbalanced
Return Input Impedance	10 kΩ
Metering (3-LED)	-20 dBu, 0 dBu, Clip
Line Input (switchable)	¼” TRS, 10 kΩ input impedance
Phantom Power (switchable)	+48V
Pad (switchable)	0 dB/-20 dB
Phase (switchable)	0, 180 degrees
High-pass filter (switchable)	-3 dB shelf at 80 Hz

Compressor
Threshold (variable)	-40 dBu to +20 dBu
Ratio (variable)	1-10 (1:1 to 2:1)
Attack (variable)	0.1 to 200 ms
Release (variable)	0.05 ms to 3 seconds
Makeup Gain	-20 dB to +20 dB
High-pass Sidechain Filter (variable)	10 Hz to 10 kHz
Metering	Analog VU (gain reduction / Output Level)

Master
Output Fader	-70 dB to +10 dB
Output Connectors	XLR balanced and ¼” TRS balanced/unbalanced
Output Impedance	51Ω
Output-level Meter	Analog VU (-20 dBu to +6 dBu)
Gain-reduction Meter	Analog VU (-20 dB to 0 dB)
Output Headroom	+22 dBu

Power
Internal supply, standard IEC connector	100 VAC to 120 VAC, 200 VAC to 240 VAC

Physical
Dimensions	1U rackmount
Height	1.75” (44.45 mm)
Depth	7” (177.8 mm)
Width	19” (482.6 mm)
Weight	8 lbs. (3.63 kg)
As a commitment to constant improvement, PreSonus Audio Electronics, Inc., reserves the right to change any specification stated herein at anytime, without notification.

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