Table of Contents
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Table of Contents
Related Manuals for Art Pro Channel
Summary of Contents for Art Pro Channel
- Page 1 Pro Channel TUBE MIC PREAMP / COMPRESSOR / EQUALIZER USER’S GUIDE...
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Page 3: Table Of Contents
FEATURES... 5 OVERVIEW ... 6 HY USE AN EXTERNAL PROCESSING CHANNEL ...6 ESIGN OTES SETTING UP ... 7 ...7 NPACKING AC P OWER OOKUP UDIO ONNECTIONS ...8 NSTALLATION AFETY RECAUTIONS ...8 OWERING FRONT PANEL CONTROLS AND INDICATORS ... 9 ...9 REAMP IRCUIT Gain Control...9... - Page 4 ... 13 NDICATOR QUALIZER IRCUIT Low Control ... 13 Low Switch ... 13 Lo-Mid Control ... 14 Lo-Mid (X 10/Norm) Switch ... 14 Lo-Mid (Narrow/Wide) Switch... 14 Hi-Mid Control... 14 Hi-Mid (X 10/Norm) Switch ... 14 Hi-Mid (Narrow/Wide) Switch ... 14 High Control...
- Page 5 ...21 ROUNDING TUBE REPLACEMENT ... 21 WE’RE ON-LINE! ... 22 WARRANTY AND SERVICE INFORMATION ... 22 IMITED ARRANTY ...22 ERVICE BLOCK DIAGRAM ... 24 A R T PRO CHANNEL SPECIFICATIONS ... 25 ...22 - 4 -...
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Page 6: Features
EQs you’ve ever used. Developed in partnership with studio and live sound engineers, the Pro Channel possesses a “sound” that is not available from any other product on the market – at any price! The Pro Channel was designed and constructed with the best components, assuring a lifetime of quiet, reliable performance. -
Page 7: Overview
The goal of any recording is to get the sounds right before you commit them to tape. The Pro Channel helps you get it right so you don’t have to “fix it in the mix.” Design Notes The Pro Channel is a multi-purpose tool for audio engineering and recording. -
Page 8: Setting Up
Audio Connections Audio connections to and from the Pro Channel are balanced XLR (Pin 2 = Hot (+), Pin 3 = Cold (-), Pin 1 = Ground) and unbalanced ¼” (Tip = Hot (+), Sleeve = Ground). -
Page 9: Installation
Pro Channel on before any monitoring levels or power amps are turned on. The Pro Channel has the ability to add over 80dB of gain to its input signal and can cause the unit to produce a “thump” on power up and power down. -
Page 10: Front Panel Controls And Indicators
Phantom switch on supplies power to pins 2 and 3 of the balanced XLR input jack. Note: Be sure to turn down or mute the output of the Pro Channel when turning phantom power on or off. Allow 30 - 45 seconds for the power to completely dissipate... -
Page 11: Phase Switch
Phase Switch The Phase switch is used to reverse the phase of the signal leaving the Pro Channel’s preamp section. The Phase switch reverses the polarity of the Preamp Output jack and everything after it in the signal chain. In the Normal position (out), the signal is in- phase. -
Page 12: Compressor Circuit
+10dB of gain (when turned fully clockwise). When setting up the preamp, start with the Preamp Output at its “0” position. Once you get the Gain control set the way you want it to sound, use the Preamp Output control to set the level out of the preamp (much like using the master volume control on a guitar amplifier). -
Page 13: Attack Switch
Type Switch This switch covers one of the more unique features of the Pro Channel. In the Optical position (out), the Pro Channel’s compressor employs A R T’s award-winning Vactrol®-based compression element from the Pro VLA. Switching to the “in” position engages the dual-triode, tube control element. -
Page 14: Clip Indicator
If you want to use the compressor to add more gain, use the VU meter to monitor the Pro Channel’s output level, or use the meter on your recorder or mixer to make sure you won’t clip the next piece of equipment in the chain. -
Page 15: Lo-Mid Control
“weight” or “beef” to a week vocal and cutting it can “thin out” a signal that takes up too much room in the low end. Lo-Mid Control The Lo-Mid control is a dual concentric pot (i.e., there are two controls – one outer and one inner). -
Page 16: High Control
“surgical” cutting of a frequency band without affecting adjacent frequencies too much. High Control The High control adjusts a shelving filter with a selectable corner frequency of either 6KHz or 18KHz. The two frequencies are selected with the High switch (see below). The high shelving filter affects all frequencies above the corner frequency when applying boost or cut. -
Page 17: Master Controls
A backlit, average reading VU meter can accurately monitor levels at several points in the Pro Channel. The “0VU” level is calibrated to +4dBu at any of the internal points and at the ¼” Output connector. For the same calibration on the XLR output, a 600Ω... -
Page 18: Rear Panel Connections
XLR GND Switch If you hear a hum when using the Pro Channel’s XLR output, a ground loop may be the problem. To remedy this problem, press the XLR GND switch in, to its “Lift” position, to disconnect the ground wire (pin 1) from the XLR output. -
Page 19: Preamp - Compressor Loop
Don’t forget that it is possible to use each section of the Pro Channel on a separate track. For example, the bass track can run through the compressor, the vocal track through the preamp, and the guitar track through the EQ –... -
Page 20: Applications
The Pro Channel has enough gain to be used in front of a power amplifier. To use the Pro Channel as an instrument preamp, simply plug the instrument into the Input jack and connect the Output jack to the power amplifier’s Input. -
Page 21: What Is The Best Way To Use Eq
What is the best way to use EQ? There are two schools of thought on EQ: 1) Use as much as you need to make things sound good. 2) Don’t use any EQ. Most people follow the suggestion of “if it sounds good, it is good.” You need to use your ears and judge for yourself as their are no steadfast rules for EQ’ing. -
Page 22: Special Effects
Purposely placing signals out of phase can also yield interesting results. No harm will come to the Pro Channel with this type of experimentation. However, be sure to have output and monitoring levels turned DOWN before “testing”... -
Page 23: We're On-Line
We’re on-line! For Product information, questions, applications, tips, answers and general discussion with ART employees, look for ART on the Internet. Email us at support@artproaudio.com and check out our Web Site at www.artproaudio.com. Warranty and Service Information Limited Warranty Applied Research and Technology(A R T) will provide warranty service for this unit in accordance with the following warranty statement. - Page 24 2) If you believe the ART unit is at fault, go to www.artproaudio.com. You may contact Customer Service for more assistance, or directly request a Return Authorization for service in the “resources” area of the website. 3) If you are returning the unit for service, pack the unit in its original carton or a reasonable substitute.
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Page 25: Block Diagram
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Page 26: A R T Pro Channel Specifications
Boost/Cut per Band Total Harmonic Distortion (THD) <0.1% (typical) Tubes Power Requirements The Pro Channel was designed and developed in the United States of America. ©1999-2008 Applied Research and Technology 6.5"D x 19"W x 3.50"H 12.0 lbs. XLR to XLR: 83dB, ¼” to ¼”: >100dB (20-20KHz) - Page 27 Pro Channel – Tube Mic Preamp / Compressor / Equalizer 215-5004-102 - 26 -...