Ventura SE Solid-State Mono Mic Preamp with 3-Band EQ + DI + Pad + 48v


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  • (3) separate discrete Inputs for each section
  • (3) separate discrete Outputs for each section
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Proudly hand-made in the US, and built upon the foundation of the original Ventura model inspired by the great Quad Eight consoles, the Ventura SE from A-Designs is like having 3 different high-end audio processing units in one small, affordable package. With a versatile 3-input/3-output design, it's adept as a microphone preamp, as an instrument preamp, and as an EQ – with individual inputs and outputs (I/O). It's designed to let the user route and/or patch effects into the signal path in a variety of ways. You can employ it simply or - you can patch in external devices as you may choose or - you can implement each section individually while still maintaining very high audio fidelity. At its heart and the source of its ultra-transparent audio is the C12X, a discrete transistor operational amplifier used in all 3 major sections of the unit. The C12X is a high-gain, fast-slew, stable audio block with virtually no DC offset over the audio spectrum.

The 3 major sections are:

  • Microphone Preamplifier: A balanced single-stage discrete opamp/transformer-coupled design. It comes equipped with discrete controls for: phase reverse, -20 dB pad, +48V phantom power with LED indicator, and a gain control knob as well. The preamp section feeds both the EQ section and a preamp output simultaneously.
  • 3-Band Parametric EQ: A 3-band modified Quad Eight-style Parametric Equalizer features 33 frequencies, with 3 bands of overlapping ranges from 50 Hz on up to 15 KHz. The frequency selection and the boost/cut controls are both stepped to enable precise and recallable settings. Each band has its own discrete Q switch with 3 fixed positions of Narrow, Sharp, and Wide. The low and high bands are a peak/dip type with switches to change their characteristic to a shelf type. The shelving switches disable the Q feature on high and low bands only. Plus, the Ventura SE's EQ can be accessed via its own insert for sweetening tracks during mixdown.
  • Instrument Input Preamplifier: With the Venura-SE, there's no need for a Direct Box/DI, as it includes a high-impedance unbalanced preamplifier that's designed for – and works great with – guitar/bass pickups along with keyboards such as vintage synthesizers. The instrument preamplifier section is independent from the mic-pre, and also uses a single-stage discrete C12X opamp. It comes with a ¼" TS Switchcraft front-panel input jack with a gain pot, and on the back panel, a Hi/Low gain switch. The addition of a separate unbalanced instrument direct output jack is also featured that breaks the signal feed to the Output Mult and EQ sections. This allows the Instrument section to be truly independent. The Source Switch has no effect when using this output jack.

All-inall, whether in the studio or onstage, the Ventura SE is borne of a “no frills, no compromise” audio philosophy for pure sonic capture and reproduction.

A-Designs Ventura SE Features:

  • (3) separate discrete Inputs for each section
  • (3) separate discrete Outputs for each section
  • Hi/Low Gain Switch for the Instrument section
  • Black texture coat finish Faceplate
  • Independent Microphone Preamp/Equalizer/Instrument Preamp
  • Specially Designed Discrete Operational Amplifiers
  • Jensen Microphone Input Transformer
  • Insert Points Between Mic Preamp, Instrument Preamp and Equalizer
  • Metal Film Resistors, Polypropylene, C0G, and Bipolar Capacitors
  • Silver Contact Toggle Switches (No Relays)
  • Cinemag Transformer Balanced Outputs – Main and Direct/Mult
  • External Switchable Line Power from 110VAC to 220VAC
  • Neutrik XLR Connectors
  • 1RU Steel Chassis
  • Aluminum Knobs
  • Made In The USA

A-Designs Ventura SE Specifications:

  • 1RU Rack Space Steel Chassis
  • Cinemag Output Transformers
  • Jensen Input Transformer
  • (3) Specially Designed Discrete Operational Amplifiers
  • Solid-State Design
  • Neutrik XLR Input and Output (I/O) Connectors
  • Individual I/O for Each Section: Mic, Instrument, and EQ
  • Separate Gain Controls for Mic and Instrument Input Sections
  • Output Gain Switch for the Instrument Section
  • -20 dB Mic Pad Switch
  • +48Vdc Phantom Mic Power
  • Phase Switch for the Mic
  • Blue LED Power Indicator
  • ON/OFF Switch
  • Toroidal Power Transformer
  • Discrete Mic Preamplifier with 72 dB of Gain
  • Discrete Instrument Input Preamplifier
  • Red LED Phantom Indicator
  • True 3-Band Parametric Equalizer
  • (2) Filters - High Pass / Low Pass
  • TRS Balanced Insert Return / EQ Input
  • Silver Contact, High-Durability Toggle Switches
  • Input Impedances:
    • Microphone - 1.4 kOhms
    • Instrument - 20 MOhms nominal
    • Insert / EQ Input - 15 kOhms
  • Gain Input Ranges:
    • Microphone -62 dbv to +30 dbv
    • Instrument - 70 db
    • Insert / EQ - 0 dbv to +26 dbv
  • Noise (EIN): -120 dbm
  • Phantom Power: +48VDC
  • Balanced XLR Outputs: 600 ohms nominal
  • Frequency Responses - better than 20 Hz to 20 kHz
  • Distortion: 0.01%
  • Power Requirements: 120 / 230 VAC - 23 Watts
  • Dimensions: 19" x 1.75" x 10"
  • Weight:
    • Unit:14 lbs.
    • Shipping: 16.5 lbs.

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.

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