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Orion Car Audio DEQ 30 - page 1
DEQ 30 MANUAL HIGH PERFORMANCE CAR AUDIO HIGH PERFORMANCE CAR AUDIO ©2002 Directed Electronics, Inc. - All rights reserved - G41700 8-02 HIGH PERFORMANCE CAR AUDIO AMPLIFIERS, SIGNAL PROCESSORS AND LOUDSPEAKERS DESIGNED AND ENGINEERED IN THE USA ...
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Orion Car Audio DEQ 30 - page 2
NOTES INTRODUCTION Thank you for your purchase of the ORION DEQ 30. The latest technological advancement in car audio signal processing, the DEQ 30 is the worlds first stand alone digital 30 band 2 channel equalizer . The DEQ 30 processes all the equalization in the digital domain and comes equipped with both analog to digital and digital to analog ...
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Orion Car Audio DEQ 30 - page 3
2 51 WHA T’S IN THE BOX QTY Description 1 DEQ 30 1 4 conductor 12 gauge power connector 4 #8 Phillips Pan Head Screws 1 DEQ 30 Reference Manual NOTES ...
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Orion Car Audio DEQ 30 - page 4
TECHNICAL OVER VIEW Designed for the person who competes, the DEQ 30 is a must for all high-end systems. Either channel of the DEQ 30 can be adjusted individually or linked together . The DEQ 30 can accept direct digital inputs (TOSLINK or COAX), conventional RCA inputs or Mini-XLR™ balanced inputs. The DEQ 30 processes all equalizer functions in ...
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Orion Car Audio DEQ 30 - page 5
TECHNICAL OVER VIEW TRUE DIGIT AL EQUALIZA TION: All equalization is performed digitally by proprietary digital algorithms. Digital equalization achieves perfect phase response. The signal-to-noise ratio is unaffected by equalization adjustments. Frequency centers, boost levels and “Q” values are exact. There is no variance like analog circuits ...
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Orion Car Audio DEQ 30 - page 6
ANALOG OUTPUT SECTION: The analog output section uses dual wide dynamic range 18 bit continuous bitstream auto calibration digital-to- analog converters (made by Phillips) with 192 times oversampling. It has low total harmonic distortion devoid of crossover distortion and incorporates digital de-emphasis. The DEQ 30 has both RCA and Balanced (Mini ...
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Orion Car Audio DEQ 30 - page 7
CALL OUT FEA TURES 1. LED Display 2. Parameter Adjustment Key Pad 3. Parameter Selection Buttons 4. RS-232 Data Control Port 5. DSP Reset Button 6. Power connections 7. TOSLINK digital inputs and outputs 8. Digital input selection switches 9. COAX digital inputs and outputs 10. Balanced outputs 11. RCA inputs and outputs 12. Balanced inputs 13. Ana ...
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Orion Car Audio DEQ 30 - page 8
INST ALLA TION The installation of all ORION components will determine the overall performance result. Improper installation will not only limit the performance of your ORION system but also potentially compromise the reliability of this digital processor . T o ensure proper sonic results and component reliability , please refer to your Authorized ...
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Orion Car Audio DEQ 30 - page 9
POWER CONNECTIONS The above corrected response is not a perfectly flat curve. For good sound quality in a vehicle a flat curve may sound great when the vehicle is stopped and the engine is off. However , most people put systems in cars to listen to great music with the engine running while driving. The above response is not a mandate for good quali ...
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Orion Car Audio DEQ 30 - page 10
DEQ 30‘s power supply is an ultra-quiet balanced high-frequency supply . All power and signal grounds are isolated for complete noise rejection. • Power connections made through large four terminal removable connector . • Connect 12V+ to the battery through fuseholder . This connection provides +12V main power to the DEQ 30. • Power wire mu ...
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Orion Car Audio DEQ 30 - page 11
ANALOG INPUTS T ime alignment errors are caused by speakers that are located at different distances relative to the listening position. T ime alignment errors are difficult to detect only using an RT A. In some cases, time response errors can be indicated by a shelving effect of a particular driver (in the above situation the tweeters) in such a wa ...
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Orion Car Audio DEQ 30 - page 12
The DEQ 30 can accept either balanced (Mini-XLR™) inputs or RCA inputs. However , only one input can be chosen per installation. The DEQ 30 was not designed to be a multi-source input selector . The system designer/installer must determine which configurations will work and yield the best sound quality . The input sensitivity is adjusted with sep ...
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Orion Car Audio DEQ 30 - page 13
SETTING ANALOG INPUT LEVELS 1. Install DEQ 30 into your system. 2. With your source unit volume control set at a low position, test the function of the system. Once satisfied proceed to the next step. 3. T urn the gain controls of the DEQ 30, your amplifiers and other components in your system to their minimum positions. 4. Cue up the reference CD ...
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Orion Car Audio DEQ 30 - page 14
8. Disconnect the output of the DEQ 30 from the rest of the system. 9. Leaving the source units volume control alone, slowly increase the left gain of the DEQ 30 until the “CLIP” LED indicator becomes illuminated. The output of the DEQ 30 is currently clipped. 10. T urn down the left gain control until the LED goes out. HINT! The closer the gai ...
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Orion Car Audio DEQ 30 - page 15
DIGIT AL INPUTS Roll-off response errors are caused by deficiencies in driver performance, driver placement, enclosure design and vehicle acoustics. This type of response error usually is inaudible in all but the most demanding music. However for competition systems potential points can be lost with a system that has deficiencies in these areas. No ...
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Orion Car Audio DEQ 30 - page 16
The DEQ 30 can accept a direct digital signal from a Compact Disc, Mini Disc or DA T source unit (44.1 kHz and 48 kHz sampling frequencies). Both TOSLINK and COAX connectors interface with a professional grade SPDIF receiver . That allows direct access to the digital processor inside. SELECTING DIGIT AL INPUTS The Analog/Digital push button selecto ...
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Orion Car Audio DEQ 30 - page 17
ANALOG AND DIGIT AL OUTPUTS Off-screen response problems are often a result of a system with a large quantity of woofers. In some situations, this may be a desirable result. If so, look for smooth transition from octave to octave. If your goal is competition, you must have all the bands on display at one time. This problem is very similar to the Ou ...
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Orion Car Audio DEQ 30 - page 18
The internal analog to digital converter uses dual 18 bit resolution bitstream auto calibration digital-to-analog converters made by Phillips. It has 192 times oversampling and features low harmonic distortion, no crossover distortion and digital de-emphasis for smooth highs and controlled low frequency response. The 18 bit wide dynamic range D/A c ...
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Orion Car Audio DEQ 30 - page 19
USER INTERF ACE The user interface controls are designed to be concise and user friendly . Listed below are the descriptions of the user interface functions. DIGIT AL DISPLA Y ZONE Indicates which preset Zone you are working in. There are four preset zones that store all information. T o access the different zones, simply press the button marked ? ...
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Orion Car Audio DEQ 30 - page 20
USER INTERF ACE LED INDICA TORS “CLIP“ - When illuminated, indicates the EQ has clipped its output. There are three solutions to this problem: Reset input gains, turn down source unit (if using analog input) or lower boost on boosted frequencies. “L” & ”R“ - Indicates which channel is to be equalized. In the default setting, both LE ...
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Orion Car Audio DEQ 30 - page 21
USER INTERF ACE CONTROLS Output Level Incompatibility Problems are caused by a miss-match in output levels between woofers, midranges and tweeters. In the above graph, the midrange output level is lower than what is needed to match the woofers and tweeters. This is usually an easy problem to solve without the use of an equalizer . Non-Equalizer Sol ...
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Orion Car Audio DEQ 30 - page 22
• Pressing the left and right sides of the main user interface button selects one of 30 frequency bands in 1/3 octave increments from 25 Hz to 20 kHz. • Pressing the up and down sides of the main user interface button changes the output level of selected frequency band from -12dB to 12 dB in 1 dB steps. • Pressing the “ZONE” button select ...
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Orion Car Audio DEQ 30 - page 23
BASIC EQUALIZA TION The DEQ 30 is a highly advanced signal processor . However , “highly advanced” does not mean difficult to use. There are two different levels of use for the DEQ 30. This section explains the basic utilization of the DEQ 30. T o proceed, it is important that you familiarize yourself with the user interface display information ...
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Orion Car Audio DEQ 30 - page 24
Before you begin equalization it is strongly recommended that you accomplish the following: • Choose good quality speakers (ORION, of course). • Determine the best location for the midrange and tweeters. Speaker placement will make the most difference in sound quality , imaging, etc. • Choose a woofer enclosure that best achieves your sonic a ...
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Orion Car Audio DEQ 30 - page 25
BASIC EQUALIZA TION When given the choice of boosting certain frequencies or cutting others, it is always better to cut frequencies. Boosting the equalizer requires the amplifier to produce more power . Boosting the equalizer 6dB is asking the amplifier to produce 4 times the power . It is easy to see how an amplifier can be overdriven at higher li ...
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Orion Car Audio DEQ 30 - page 26
While listening to your reference music, listen for irregularities in your system. These irregularities can best be described as tonal qualities your hearing finds offensive or irritating. T o better locate a particular frequency range that needs correction, boost individual frequency bands (one at a time) until you find the offensive band. Remembe ...
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Orion Car Audio DEQ 30 - page 27
ADV ANCED EQUALIZA TION PERFECTL Y FLA T CURVE This section is designed for people who will use the DEQ 30 in competition or people who desire the ultimate performance in their system. The DEQ 30 not only performs all of the equalization in the digital domain, it also has the ability to adjust equalization independently for the left and right chann ...
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