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Presonus Central Station Monitor Controller - Used  From Presonus

Studio Monitoring System complete with multiple input/output sources (including two digital inputs).


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Manufacturer's Description from Presonus

The Central Station is the ultimate studio-monitoring interface for the modern digital studio.

The Central Station features three sets of stereo analog inputs to switch between input sources such as: DAW, mixer, CD/DAT/Tape player, or keyboards/samplers. Two stereo analog inputs feature TRS balanced and the third stereo input features RCA inputs with trim control for level matching of input signals. In addition, the Central Station will accommodate two digital inputs via S/PDIF or TOSLINK providing D/A conversion up to 24Bit/192kHz. This allows you to monitor DAW and CD/DAT outputs through the same professional quality converter for the most accurate A/B comparison and highest quality monitoring environment.

The digital to analog converter offers the highest possible audio quality with over 117dB dynamic range and ultra high quality analog circuitry. The Central Station features three sets of monitor outputs, each with their own set of passive trim controls. The monitoring section also provides MUTE, DIM and MONO switches. In addition, the Central Station includes a set of CUE outputs that can feed headphone amplifiers and a separate stereo MAIN line level output.

Purely Passive Signal Path

The Central Station features a PURELY PASSIVE SIGNAL PATH for ultimate sonic performance. The main audio path of the Central Station uses no amplifier stages including op amps or active IC's (integrated circuits) that add noise, color, distortion, and give that "pinched" sound. Distortion produced by op amps and IC's also gives added ear fatigue.

Signal routing in the Central Station is acheived utilzing 34 sealed mechanical relays (instead of active IC's) maintaining a minimal signal path design wherein extraneous electronics are hard-wire bypassed. Using relays ensures the most transparent signal path maximizing dynamic range, frequency range, and headroom, while minimizing noise and coloration.

The Central Station uses the highest quality passive components including military grade 1% tolerance metal film resistors, multi-element potentiometers and ultra-durable connectors to deliver the highest sonic performance.


The Central Station features dual fast-acting 30-segment peak/hold LED's for accurate metering. The front panel of the Central Station includes both dBu and dBfs scale as well as peak/hold clear switch and meter alignment switch for addtional metering options.


The Central Station has an onboard TALKBACK microphone which is routed through the CUE outputs for communication between artist and engineer. The Central Station also includes a Microphone XLR input on the rear panel for use with an external microphone. When TALKBACK is used the CUE mix is automatically "dimmed" for added ease of communication.


About Manufacturer

PreSonus Corporation, a developer of audio technologies for the professional and semi-professional digital audio markets, was founded in 1995 and presently has an active distribution network in place that reaches over 20 million audio consumers. PreSonus also manages a high traffic website, www.presonus.com that is experiencing over 100,000 hits per month. The Company has released 18 professional audio products that have shipped to over 41 countries. Presonus has received the Electronic Musician Magazine Editor's Choice Award for four different products. The Company's products have also been nominated several times for MIX Magazine's Technical Excellence in Creativity Awards (TEC). In all, over 150,000 PreSonus products are in use around the world. The Company's primary objective is to leverage its research and development ability, intellectual property portfolio, expertise in manufacturing, well respected brand, and established distribution channels to continue swift growth in revenue and profitability. PreSonus has exhibited consistent growth of an average of 48.6% per year over the past six years and predicts continued double digit growth rates for the next three years. PreSonus was founded on the precept of research and development in new technologies and discovery and exploitation of emerging multi-media markets. The Company has passed the 'proof of concept' stage and is presently utilizing its proprietary designs and patents to expand product offerings. PreSonus has extensive relationships in the music, technology, Internet, manufacturing and consumer electronics industries as well as a highly respected professional audio brand - PreSonus Audio Electronics. Competencies necessary to promote and support digital audio technology include qualified personnel in research, engineering, manufacturing, music and marketing as well as direct experience with branding and business development. PreSonus has developed a talented staff and exceptional reputation and is poised to take advantage of the burgeoning digital audio and digital media consumer markets.


Audio Inputs


TRS 1 & 2

    Type ¼" TRS Passive-Balanced
    Input Impedance 2-5 kΩ (Speaker load and Trim level dependent)
    S/N Ratio > 140 dB
    THD+N < 0.0005% (1 kHz @ 0 dBu)
    Frequency Response > 1 MHz


    Type RCA Active-Unbalanced
    Input Impedance 8 kΩ
    S/N Ratio > 115 dB (1 kHz @ 0 dBu, Unity gain)
    THD+N < 0.002% (1 kHz @ 0 dBu, Unity gain)
    Frequency Response 10 Hz-50 kHz, -0.5 dB
    Gain Range -90 dB to +20 dB


    Types RCA 75Ω coax and Toslink optical
    Dynamic Range 117 dB
    THD+N 0.0025% (1 kHz @ -1 dBfs)
    Maximum output +18 dBu (Active-Balanced)
    Sample Rates 44.1, 48, 88.2, 96, 176.4, 192 kHz

Note: All Input specifications (except Input Impedance) measured at Speaker A output, Trim and Main Level set to maximum.

Audio Outputs



    Type ¼" TRS Passive-Balanced
    Type-Mono Activated ¼" TRS Active-Impedance Balanced
    Trim Range -90 dB to 0 dB
    Main Level Range -90 dB to 0 dB
    Dim Attenuation -30 dB


    Type ¼" TRS Active-Balanced
    Output Impedance 51Ω
    THD+N < 0.0025%
    Frequency Response 10 Hz-50 kHz, -0.5dB


    Type ¼" TRS Active-Impedance Balanced
    Output Impedance 51Ω
    THD+N Less than 0.003% (1 kHz @ 0 dBu)
    Frequency Response 10 Hz-50 kHz, -0.5 dB
    Gain Range -90 dB to 0 dB
    Dim Attenuation -30 dB (Talkback activated)


    Type ¼" TRS Active Stereo
    Maximum Output 150 mW/channel @ 60Ω load
    THD+N 0.015% (150 mW/channel @ 60Ω load)
    Frequency Response 10 Hz-50 kHz, +1 dB



Dynamic Microphone Input

    Type XLR Female Balanced
    Input Impedance 2400Ω

Internal Microphone

    Type Electret Condenser
    Sensitivity -42 dB

Mic Preamp

    Gain Range 15-55 dB

Input Meters

    Type Dual 30 segment LED w/ Peak Hold
    Range -48 dB to +18 dB (-66 dBfs to 0 dBfs)
    Accuracy > 0.25 dB
    Frequency Range 10 Hz-22 kHz
    Calibrate Range ±18 dB

Power Supply

    Type External A.C. Transformer/Internal Linear
    Power Consumption 40 VA



Main Chassis

    Package Type 1U steel chassis
    Dimensions 19 (W) x 1.75 (H) x 6.25 (D) inches
    Weight 5.0 lbs

External Power Supply (factory configured)

    Package Type Molded Plastic
    Dimensions 2.5 (W) X 2.3 (H) X 4.0 (D) inches
    Weight 2.5 lbs