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CONTENTS 1.0: IMPORTANT SAFETY INSTRUCTIONS 1.0: IMPORTANT SAFETY INSTRUCTIONS 1.1 Introduction 2.0: THE BASICS 2.1 2.2 Unpacking and visual checks Preliminary recommendation 3.0: PRECISION D SERIES FEATURES 3.1 3.2 3.3 3.4 Analog Input Digital SPDIF Input Connecting your speakers User Controls 1. 2. 3. 4. 5. 6. 7. 8. 9. 4.0: EQUALISATION POSSIBILITIES 10. 5.0: GUIDE TO SETTING THE EQUALISATION 6.0: PLACEMENT OF THE SPEAKERS 7.0: PERFORMANCE DATA 6.1 6.2 6.3 6.4 6.
AS THE COLOURS OF THE WIRES IN THE MAINS CABLE MAY NOT CORRESPOND WITH THE COLOURED MARKINGS IDENTIFYING THE TERMINALS IN YOUR PLUG, PROCEED AS FOLLOWS: The wire which is coloured GREEN AND YELLOW must be connected to the terminal in the plug which is marked either by the letter E, the earth safety symbol, or coloured GREEN or GREEN and YELLOW.
An A/V 80Hz high pass filter switch provides instant conversion to 5.1 and higher order systems where a separate subwoofer below 80Hz is required. Filter characteristics are according to the international standards for this setup. This response is also shown diagramatically in Figure 1. Listening to well recorded male or female spoken word or vocals at the normal listening position is a good way to check and optimise the available settings.
Low Mid Contour Frequency: A shelving filter can be set to the flat anechoic response or set to shelve at frequencies of 800Hz, 400Hz, or 200Hz in combination with the low mid contour amplitude (below) to correct half space (pi/2), quarter space (pi/4) and very difficult close field boundary conditions (pi/8 space).
Hi-Mid Shelf Boost/Cut: a shelving filter between 1kHz and 3KHz can be set to +2, +1dB, flat, -1dB, -2dB, to take account of room characteristics and personal preference. Editing news broadcast material is often easier with an increased output in this band. Figure 6 shows the range of adjustment in this area controlled by DIP switches 11 to 14. LF EQ Low Mids Hz Assess the monitoring conditions and consider these 4 main factors: 1.
Quarter Space (Pi): An example of quarter space would be with speakers mounted on stands in a corner, or on the meter bridge against a wall or mounted on small stands or shelves against a wall. Also typical PC/Mac editing in a confined space on a desk near a wall. This is usually also a close field situation. Follow the DIP settings below for Quarter Space and adjust for the listening distance accordingly. Adjust the LF-Q settings to balance the system.
MID AND HIGH EQ SETTINGS RT60 Decay Time: An estimation of the RT60 decay time above 1kHz within the monitoring environment will help to set the mid and high frequency equalisation. Hard surfaces in general and particularly if close to the speakers will increase the amount of reverberent energy to direct energy above 1kHz (RT60 above 500mS) and may justify setting the mid or high EQ (or both) to -1dB.
8.0: TECHNICAL SPECIFICATIONS SYSTEM 9.0: DIMENSIONS P6D P8D 59Hz – 51 kHz 43Hz-51kHz 116dB 119dB Distortion <0.5% <0.
.0: SERVICING 10.1: CABINET FINISH 11.0: WARRANTY To remove marks and scuffs use a soft brush. If necessary, a little warm water and detergent can be used but under no circumstances use a solvent or abrasive cleaner. NO MAINTENANCE OF THE PRECISION 6D & 8D MONITORS IS NECESSARY. All components are guaranteed for a period of one year from the date of manufacture, subject to the absence of, or evidence of, misuse, overload or accidental damage.