Art DUAL TUBE EQ manual

DU AL TUBE EQ PROFESSIONAL TWO CHANNEL TUBE P ARAMETRIC EQUALIZER U U S S E E R R ’ ’ S S G G U U I I D D E E[...]

T able of Contents Introduction 2 Features 2 Registration 2 Overview 3 EQ T ips 3-5 Unpacking 5 AC Power Hookup 6 Audio Connections 6 Installation 6 Safety Precautions 6 Powering Up 6 Front Panel Controls and Indicators 7 Gain Control 7 Clip Indicator 7 Low Frequency Control 8 Low Shift Switch 8 Lo-Mid Frequency Control 8 Low-Mid Shift x10 Switch 8[...]

Introduction Thank you for purchasing Applied Research and T echnology’s Dual T ube EQ. The Dual Tube EQ may be used anywhere you need equalization or frequency adjustments. Offering a superb level of sound quality , the Dual T ube EQ will enhance the sonic textures of your studio or audio system for years to come. Features The Dual T ube EQ is a[...]

Fill in the following for your future reference: Date of purchase: ___________________ Purchased From: ____________________ Serial Number: 258-________ Overview Great recordings and great mixes are made from great sounds. With the exception of some classical and environmental record- ings, equalization plays a large role in creating, tweaking and c[...]

track during mixing, the Dual T ube EQ is a better sounding and more flexible equalizer . It all comes down to economics: Mixer manufacturers need to make trade-offs to keep prices down while keeping performance up. The use of external processing (equalizers, preamps and com- pressors) has sonic and practical benefits when you consider that most re[...]

of the mid bands. Slowly sweep through the frequency range. When the really nasty sound jumps out at you (you’ll know it when it happens) turn the boost back to “0” (12 o’clock). Now put the track back into the mix and cut the frequency . Y ou’ll have to adjust the level of the instrument depending on how much you cut, but you may find th[...]

AC Power Hookup The Dual T ube EQ has an internal power supply designed to operate at 100 to 125V AC, 50 to 60Hz. Units manufactured for use outside of the United States of America have been modified to comply with the required electrical specifications. Under no circumstances should the power cable be altered. If the cable becomes cut or damaged, [...]

power down. Note: Like all tube-based equipment, the Dual T ube EQ needs to warm up before being used. Allow one to two minutes for the tubes to reach proper operating voltage before using. It is normal for the T ube EQ to be warm. The aluminum chassis is used for heat dissipation. It is recommended that the Dual T ube EQ be installed in an area wh[...]

Low Frequency Control The Low Frequency control adjusts a shelving filter with a selectable corner frequency of either 40Hz or 120Hz. The low shelving filter designed into the T ube EQ affects all frequencies below the corner frequency when applying boost or cut. In other words, cutting at 40Hz also cuts 30Hz, 20Hz, etc. The Low Frequency control h[...]

Hi-Mid Frequency Control The Hi-Mid control is a dual concentric pot (meaning there are two controls - one outer and one inner). The outer control is used to select a frequency while the inner control is used to apply +/-12dB of gain. The Hi-Mid control can cover two fre- quency ranges depending on the position of the Shift x 10 switch. These range[...]

Note: Y ou’ll notice the High Frequency and Hi-Mid Frequency controls overlap (meaning they cover the same frequencies). This is intentional and is one of the powerful features of the T ube EQ. This feature allows you the ultimate in flexibility . For example, on cymbals try boosting 18KHz with the High control while cutting 20KHz with the Hi-Mid[...]

switch is depressed the LED will glow red and all eight-bands of the Dual T ube EQ are active for the signal connected to chan- nel One’s input and output jacks (labeled channel 1/MONO on the rear panel). When this mode is used, the input and output level controls for channel two do not affect channel one. Another cool feature is that channel T w[...]

used simultaneously . However , when using the Dual T ube EQ to convert an unbalanced signal to a balanced signal (and vise- versa) you will experience a level difference between the input and output signals. This isn’t a big deal as you can compensate with the Input and Output Level controls, but the front panel “0” indicators will not be ac[...]

should give you a good place to start. APPLICA TIONS The T ube EQ is intended for use with line level sources. The proper placement of the Dual T ube EQ in a signal chain is: after a mic/line preamplifier , after a direct output or bus output from a console, after the output of a tape deck, or in the insert point of a mixer . The Dual T ube EQ has [...]

1 1 4 4 A R T Dual T ube EQ Specifications Dimensions: 5.25"D x 19"W x 1.75"H Weight: 7.0 lbs Frequency Bands: Low Shelf: 40Hz/120Hz Selectable Low-Mid Sweepable: 20Hz to 200Hz/ 200Hz to 2KHz High-Mid Sweepable: 200Hz to 2KHz/ 2KHz to 20KHz High Shelf: 6KHz/18KHz Selectable Gain/Frequency Band: +/- 12dB Dynamic Range: >90dB (no we[...]

W ARRANTY AND SERVICE INFORMA TION Limited W arranty W arranty service for this unit will be provided by Applied Research and T echnology , Inc. in accordance with the following warranty statement. Applied Research and T echnology , Inc. (A R T) warrants to the original purchas- er that this product is free from defects in workmanship and materials[...]

SERVICE The following information is provided in the unlikely event that your unit requires service. Use this procedure to return units in the United States only . For service outside the United States, please contact your authorized A R T distributor . 1) Be sure the unit is the cause of the problem. Check to make sure the unit has power supplied,[...]

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