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Item # 108396771

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A Designs Ventura Microphone Pre/EQ/DI
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      A Designs Ventura Microphone Pre/EQ/DI (108396771)
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Fully loaded, combination dynamics processing unit.

The Ventura is a combination Mic Pre/EQ/DI from A-Designs, is inspired by the great Quad Eight vintage consoles from the 60’s to the 80’s. Run at optimal levels, its signal is clear and ultra transparent, with all the dimensionality, air, and extended bass you expect from high-quality analog. Push it a little harder and the Ventura’s custom-wound, ear-tested transformer responds with a more aggressive sound while still retaining the utmost clarity. To add its own special mojo, it features a 3-band EQ reminiscent of console EQs from the golden age of recording. And even if you’re one of those engineers who religiously avoid using equalization while tracking, you’ll find yourself looking for excuses to use this EQ—especially if you need midrange punch without harshness on guitars or snare. Plus, the Ventura’s EQ can be accessed via its own insert for sweetening tracks during mixdown. The Ventura also has a high-impedance instrument DI built to enhance the performance guitar and bass pickups.

The C12X Discrete Transistor Op Amp
The heart of the Ventura and source of its ultra transparent audio is the C12X, a discrete transistor operational amplifier designed by Carl Johnson. Operating on +/-30VDC rails, the C12X is a high-gain, fast-slew, stable audio block with virtually no DC offset over the audio spectrum. Plus, it’s capable of driving a 50-ohm load at 50Hz with very little current draw. It’s used in the microphone preamp, instrument input amp, and main output/EQ output stages. The mic preamp itself is a single-stage, transformer-coupled design with balanced I/O. It includes phase reverse, -20 dB pad, +48V phantom power with LED indicator, and conductive plastic gain control pot. The preamp section feeds both the EQ section and a preamp output mult simultaneously.

True Three-Band Parametric EQ
The Ventura’s three-band parametric equalizer is also a unique design featuring 33 frequencies with three bands of overlapping ranges from 50Hz to 15KHz. Both the frequency selection and the +/-12 dB boost/cut controls are stepped for precise, repeatable settings. Each band has a Q switch with three fixed positions: Sharp, Wide, and Narrow. The low and high bands are peak/dip, but flipping the shelf switch changes their characteristic to shelf type. The shelving switch disables the Q feature on high and low bands only. When in the up position, the high/low filters insert the fixed 12dB/octave high- and low-cut filters, which work whether the EQ is in or out. And finally, the equalizer’s input/insert return provides direct input to the EQ, bypassing both the mic pre and instrument input.

Guitar/Bass Pickup-Friendly D.I.
Separate from the mic pre, the instrument DI is a single-stage, single-ended, high-impedance preamp that also benefits from the C12X. Designed specifically to counteract the negative effects of guitar/bass-pickup loading, it includes a front-panel 1/4? jack and gain pot. This section also feeds the EQ and preamp output mult simultaneously.

Combining transparency and sonic versatility with the ability to use its three sections independently, the A-Designs Audio Ventura gives you a “desert island” preamp that will serve any and all recording applications: studio or live sound, rock band or orchestral ensemble.

A Designs Ventura Microphone Pre/EQ/DI Features:

  • Ultra transparent, solid-state mic preamplifier with 72db gain; instrument DI; and true, 3-band parametric EQ with high-and low-pass filters
    Mic preamp, EQ, and DI can be used together or independently
    Three specially designed discrete C12X operational amplifiers
    Jensen input transformer and custom Cinemag output transformers
    Toroidal power transformer
    Balanced TRS insert return/EQ input
    Separate gain controls for mic and instrument inputs
    -20dB pad, +48VDC phantom power with red LED indicator, phase switch, and on/off switch with blue LED indicator
    Balanced gold Neutrik XLR input, direct, and main output connectors
    Silver-contact, high-durability toggle switches with no relays
    Hand-built in the USA with audiophile-quality components including high-tolerance metal film resistors and high-quality polystyrene, polypropylene, COG, and bi-polar capacitors
    Single rackspace steel chassis


A Designs Ventura Microphone Pre/EQ/DI Specifications:

  • Frequency Response: Better than 20Hz – 20kHz
    Gain Range: Microphone: -62dBV to +30dBV, Instrument: 70dB, Insert/EQ Input: 0dBV to +26dBV
    Input Impedance: Microphone: 1.4k ohm typical, Instrument: 20M ohm nominal, Insert/EQ Input: 15k ohm
    Noise (EIN): -120dBm
    Phantom Power: +48VDC
    Balanced XLR outputs: 600 ohm nominal
    Distortion: 0.01%
    Power Requirements 120/230VAC – 23W
    Dimensions: 19? x 1-3/4? x 10? (W-H-D)
    Weight: 14 lb.


A Designs Ventura Microphone Pre/EQ/DI

A Designs reserves the right to make improvements or changes at any time to this product. Warranty is void if opened by unauthorized personnel or enduser.

Published by: A Designs Audio
P.O. Box 4255
West Hills, CA 91304
U.S.A.

Edition 1.0 2005
Copyright 2005 A Designs Audio
All Rights Reserved.

1 Year Warranty Internal Parts, 30-Day Limited Warranty Labor

A Designs warrants that our hardware conforms substantially to the specifications contained in this manual when used in accordance these specifications for a period of 1 year from the date of original purchase from A Designs or its authorized dealers. In case of a valid warranty claim, your sole and exclusive remedy and A Designs' entire liability under any theory of liability will be, at its option, to repair or replace the product without charge, or, if not possible, to refund the purchase price to you. The warranty is not transferable and applies only to the original purchaser of the product.

For warranty service, contact A Designs Audio at 818-716-4153 to obtain a Return Merchandise Authorization (RMA) number. After obtaining the RMA number, ship defective product to A Designs Audio, P.O. Box 4255, West Hills, CA 91304. Write RMA number on outside of shipping box. Be sure to include your name, address, phone number, copy of original sales invoice and detailed description of the problem. A Designs Audio will not accept responsibility for loss or damage in shipping.
Warranty is void if product serial numbers have been removed or if the product has been damaged by abuse or unauthorized modification and repair. There are no user serviceable parts inside.

THIS WARRANTY IS IN LIEU OF ALL WARRANTIES WHETHER ORAL OR WRITTEN, EXPRESSED OR IMPLIED. A DESIGNS AUDIO MAKES NO OTHER WARRANTY EITHER EXPRESSED OR IMPLIED, INCLUDING WITHOUT LIMITATION, ANY IMPLIED WARRANTIES OF MERCHANTABILITY, UNLESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT. PURCHASERS SOLE AND EXCLUSIVE REMEDY UNDER THIS WARRANTY SHALL BE REPAIR OR REPLACEMENT AS SPECIFIED HEREIN. IN NO EVENT WILL A DESIGNS AUDIO BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL, INCREMENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM ANY DEFECT IN THE PRODUCT, INCLUDING LOST PROFITS, DAMAGE TO PROPERTY AND, TO THE EXTENT PERMITTED BY LAW, DAMAGE FOR PERSONAL INJURY, EVEN IF A DESIGNS AUDIO HAS BEEN ADVISED OF THE POSSIBILITIES OF SUCH DAMAGES.

A Designs, A Designs Audio, and PACIFICA are trademarks of A Designs. All other trademarks are the property of their respective owners.

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Pro Coverage includes:

  • Accidental damage protection (new gear only)
  • Expedited Repair
  • Free Shipping (for returns or repairs)
  • 100% Coverage for Commercial Use
  • Extended Return Period
  • Extended Price Protection
  • No Lemon Guarantee
  • Free Transfer of Coverage to a new owner
  • Repair Costs Covered for up to 3 years from date of purchase
  • Repairs Can Be Authorized Toll-Free by Phone or the via the web
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