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Summary of Contents for Rockford Fosgate OEQ-1
- Page 1 OEQ- 1 OCTAVE EQUALIZER OEQ-1 Octave Equalizer...
- Page 2 Perfect Inter- face® division. To add the finishing touch to your new Rockford Fosgate image, order the Rockford P.O.P., which includes everything from t-shirts and jackets, to key chains and neon hats.
- Page 3 DESIGN NINE-BANDS: Eight Octave-wide bands and one two-Oc- tave band of boost and cut are employed in the OEQ-1. One- Octave bands are the minimum required for effective control over the bass and midrange; the two-Octave-wide 12kHz band controls the very high “tingle” region where tonal perception is less critical.
- Page 4 3.5 Volts RMS. Many sources put out over one Volt RMS, leading to less than 11dB or headroom. The OEQ-1 employs a fully isolated 36-Volt (plus and minus 18 Volt) supply. There is no DC path to chassis ground, so ground loops are eliminated.
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Page 5: Some Suggestions
Step 2: Feed one channel of the Octave Equalizer with pink noise from the pink noise generator. Step 3: Evaluate the unequalized response. Major system problems, for instance large response “holes” or “peaks”, should be solved by correcting speaker or system problems. Trying to equalize out large response errors (over 6dB) will result in overdriven amplifiers and speakers, and should not be attempted. - Page 6 EQUALIZER FREQUENCY BANDS 2 0 k 5.lk 2 . 6 k 1.3k 6 4 0 3 2 0 3 2 0 1 6 0...
- Page 7 EQUALIZER FREQUENCY SHIFT 1 6 0...
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Page 8: Power Wiring
Curve “D” illustrates reduced roll-off in the mids and highs. The OEQ-1 is deliberately restricted to 9dB of boost or cut per band. This is meant to discourage attempts to correct large system response problems with the equalizer. System... - Page 10 OEQ-1 SPECIFICATIONS Input level: 750 mV RMS Input Impedance: 20 k Ohms Output level: 750 mV RMS Output Impedance: 500 Ohms Signal-to-Noise Ratio: Over 90dB (A-Weighted) Distortion: Under .01% THD + Noise Filter Q: 2 typical (Bands l-8); 1 (Band 9)
- Page 11 ROCKFORD FOSGATE LIMITED ELECTRONICS WARRANTY Rockford Fosgate warrants all electronics to the original retail purchaser only, to be free from defects in materials or workmanship for a period of two (2) years parts and one (1) year labor providing the product was purchased from and installed by an Authorized Rockford Fosgate dealer.
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Page 12: Practice Safe Sound
PRACTICE SAFE SOUND™ CONTINUOUS EXPOSURE TO SOUND PRESSURE LEVELS OVER 100dB MAY CAUSE PERMANENT HEARING LOSS. HIGH-POWERED AUTOSOUND SYSTEMS MAY PRODUCE SOUND PRESSURE LEVELS WELL OVER 130dB. USE COMMON SENSE AND PRACTICE SAFE SOUND. Make your \q e* system complete with installation accesso- ries from G) whbrf#o, , a division of Rockford Corp.
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