User`s guide

Introduction
Thank you for purchasing Applied Research and Technology’s
Dual Tube EQ. The Dual Tube EQ may be used anywhere you
need equalization or frequency adjustments. Offering a superb
level of sound quality, the Dual Tube EQ will enhance the sonic
textures of your studio or audio system for years to come.
Features
The Dual Tube EQ is a unique product. While every EQ gives
you the ability to alter the frequency characteristics of a signal,
very few sound really good when doing so. Developed in part-
nership with studio and live sound engineers, the Dual Tube EQ
possesses flexibility and “sound” that is not available from any
other product on the market - at any price! The Dual Tube EQ
was designed and constructed with the best components,
assuring a lifetime of quiet, reliable performance. The Dual
Tube EQ offers:
- The award-winning A R T “SOUND”!
- Tube-based four-band (or eight-band!) equalization
- Selectable Low shelving filters - 40Hz or 120Hz
- Selectable High shelving filters - 6KHz or 18KHz
- Sweepable Lo and Hi mid-frequency bands
- Mid-frequency bands overlap from 200Hz to 2KHz
- Mid-frequency bands sweepable from 20Hz to 20KHz
- Hand-selected 12AX7a tubes
- XLR balanced inputs and outputs
- 1/4” TS unbalanced inputs and outputs
- Custom extruded aluminum chassis
- Independent input and output level controls
- Detented rotary controls
- >90dB dynamic range
- Internal power supply
- Three year warranty
- Designed and manufactured in the USA
Registration
If you haven’t done so already, please take the time to fill out
the User Registration Card for your purchase. Having you in our
database allows us to keep you informed of updates, applica-
tion notes, and new product introductions. It only takes a
moment, and it will ensure that you are constantly up to date
with your purchase.
22