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Table of Contents
Contest Giveaway
History
Overview
Photogallery
Interview with Greg Ladanyi
Additional Information
Contest Giveaway
To celebrate the shipping of the new ADL 600 High Voltage
2-channel Tube Preamplifier, PreSonus is giving away a brand spankin'
new ADL 600 to one lucky winner. Simply register your email address
with PreSonus (click
here to register) between September 15, 2005 and November 15, 2005
and you are eligible to win.

History
Several years ago, Anthony DeMaria, President of Anthony DeMaria Labs
and Jim Odom, President of PreSonus met at an AES show in New York. Jim
noticed a prototype microphone preamplifier lurking in the back of the
ADL booth and was intrigued. After chatting with Anthony about the
design - three tubes per channel, dual input/output transformers, 600
volt power rails - he had to hear it. Totally floored by the mammoth
sound and complete absence of noise, Jim was convinced this was a match
made in sonic nirvana. Designed by Anthony DeMaria, engineered and
manufactured by PreSonus in the USA, the ADL 600 is a microphone
preamplifier that has a sonic character like no other.

Overview The
ADL 600 is a high voltage two-channel original microphone preamplifier
designed by world-renown analog tube circuit designer Anthony DeMaria.
The ADL 600 utilizes a unique high voltage, Class A discrete design
with three vacuum tubes per channel for maximum headroom and tonality.
The ADL 600 is built by hand in the USA by PreSonus and utilizes the
finest components in the world including switched attenuators,
military-grade vacuum tubes, analog VU and LED meters, custom-designed
proprietary transformers, and the list goes on. No expenses are spared
with the ADL 600 down to the last polypropylene film capacitor. The ADL
600 is big, warm, smooth, and clear; a sound like no other. (Click here for
more...)
Features: - High-Voltage Class A Dual
Transformer Design
- >73dB Gain
- Selectable Microphone Input Impedance
- Switched Gain and Variable Fine Trim Controls
- Microphone, Instrument and Line Inputs
- Ultra Low Noise (-100dB S/N ratio)
- Variable High Pass Filter, 48V, -20dB Pad, Polarity
Invert
- Analog VU and Fast-Acting LED Metering
Photogallery
Click on images below to see a highres photo

Interview with Greg Ladanyi
Grammy Winning Engineer/Producer(Toto, Fleetwood Mac, Don
Henley)
PreSonus: What is it about the ADL
600 that makes it stand out from other tube, or for that matter, solid
state preamps?
Greg L: To
my way of thinking, the tube sound has come to represent all that we
like about analog recording. The sound of the ADL 600 is very pure,
with great response from top to bottom.
PreSonus:
On the single you recorded with The Terms most recently, you used the
ADL600 on a variety of different sources. What were your
thoughts?
Greg L:
It is a very versatile preamp, especially with its input impedance
matching. I used it on everything from drums to vocals and on
instruments. On a project I am working on now, I am actually running
the whole stereo mix through the ADL 600 and sending it back to my DAW.
It adds an amazing richness to the overall sound.
(Click
to read the complete interview...)
Additional Information Specs
Hookup
Applications
Interactive Tour
ADL 600 Website
PreSonus.com
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