PreSonus Eureka Pro Microphone Preamp and Channel Strip

Plug a microphone, instrument, or line-level input into the Eureka preamplifier, or insert it as a compressor/equalizer on a single channel during mixdown. The Eureka also has balanced send and return jacks so that you can insert your favorite outboard processor before the compressor/EQ to further enhance and customize your sound. The Eureka gives you the sonic performance and control you need in the real world to produce professional-quality audio.

Features:

- Class A high headroom transformer coupled microphone preamplifier
- Variable microphone input impedance
- Variable SATURATE control (simulates tape saturation and tube warmth)
- Fully variable compressor with hi-pass side chain
- 3-band fully parametric equalizer
- EQ pre or post compressor
- High headroom output section
- Very low noise design
- Internal power supply
- Optional 24-Bit/192k digital output card
- Transparent, wide range performance

The Eureka is a professional recording channel strip containing a discrete class A transformer-coupled microphone preamplifier, FET compressor, and three-band parametric equalizer. The microphone preamplifier features variable input impedance so that the Eureka can be matched and "tuned" for all types of microphones and recording applications.

The Class A transformer-coupled microphone preamplifier also features "SATURATE" which adjusts the drain current on the input FET amplifier to simulate of the effects of tape saturation and tube "warmth". The Eureka's ultra fast FET compressor has both soft and hard knee compression as well as a separate make up gain stage and hi-pass side chain compression to deliver hard pumping to ultra transparent compression and everything in between.

The Eureka's 3-band fully parametric EQ gives you variable Q (bandwidth) on each band as well as an EQ pre COMP switch to put the EQ before the Compressor in the signal path. The equalizer has overlapping frequency selection on each band for total tonal control and shaping.

Same Day Music is an authorized dealer of PreSonus products.

- Channels: One
- Dynamic Range: >115dB
- Headroom: +22dB
- Frequency Response: 10Hz to 50kHz
- Internal Operating Level: 0dBu = 0B

Microphone Preamp
- Gain: +12dB to +52dB
- Noise Floor: -112dBu (+12dB gain)
- EIN: -127dB
- THD + Noise (0% saturation): <0.005%
- THD + Noise (full saturation): <0.5%
- Microphone Input Connector: XLR
- Microphone Input Impedance (selectable): 2.5k, 1.5k, 600, 150, 50 Ohms
- Instrument Input Connector: 1/4 in. TS
- Instrument Input Impedance: 1 Meg Ohm
- Send Connector: 1/4 in. TRS balanced/unbalanced
- Send Output Impedance: 51 Ohms
- Return Connector: 1/4 in. TRS balanced/unbalanced
- Return Input Impedance: 10k Ohms
- Metering (3-LED): -20dBu, 0dBu, Clip
- Line Input (switchable): 1/4 in. TRS, 10k Ohm Input Impedance
- Phantom Power (switchable): +48V (pin 1, pin 2 XLR)
- Pad (switchable): 0dB/-20dB
- Phase (switchable): 0, 180 degrees
- Hi-pass filter (switchable): -3dB shelf at 80Hz

Compressor
- Threshold (variable): -40dBu to +20dBu
- Ratio (variable): 1-10 (1:1 to 2:1)
- Attack (variable): 0.1 to 200 ms
- Release (variable): 0.05 ms to 3 S
- Gain Make-up: -20dB to +20 dB
- Hi-pass Side Chain Filter (variable): 10Hz to 10kHz
- Metering: Analog VU (gain reduction / Output Level)

Equalizer
- Low Band (+/-13dB): 20Hz to 300Hz
- Mid Band (+/-13dB): 200Hz to 3kHz
- High Band (+/-13dB): 2kHz to 20kHz
- Q (variable all bands): Q=0.4 to 2 (3 octave to 2/3 octave)

Master
- Output Fader: -70dB to +10dB
- Output Connectors: XLR balanced and 1/4 in. TRS balanced/unbalanced
- Output Impedance: 51 Oms
- Metering (output level): Analog VU (-20dBu to +6dBu)
- Meter (gain reduction): Analog VU (-20dB to 0dB)
- Output Headroom: +22dBu

Physical
- Power Supply: Internally Regulated Linear Type
- Power Requirements (factory configured): 100VAC to 120VAC, 200VAC to 240VAC
- Size: 1U Rack
- Dimensions (W x H x D): 19 x 1.75 x 7 in.
- Weight: 8 lbs.

Same Day Music is an authorized dealer of PreSonus products.

Shipping Weights and Dimensions

Base Item

Shipping Weight: 11 lbs

Shipping Dimensions: 24 x 15 x 5 in

Class A mic pre, FET compressor and parametric EQ in one unit@Variable impedance on mic input@Instrument input for use as DI

Same Day Music is an authorized dealer of PreSonus products.

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