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TOA Electronics 8D manual

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Table of contents for the manual

  • Page 1

    6481 0412 6481 0414 Tannoy adopts a policy of continuous improvement and product specification is subject to change. Tannoy United Kingdom T: +44 (0) 1236 420199 F: +44 (0) 1236 428230 E: enquiries@tannoy.com Tannoy North America T: (519) 745 1158 F: (519) 745 2364 E: inquiries@tannoyna.com Tannoy Deutschland T: (04102) 888 393 F: (04102) 888 959 E[...]

  • Page 2

    2 3 1.0: IMPORTANT SAFETY INSTRUCTIONS 1.1 Introduction 2.0: THE BASICS 2.1 Unpacking and visual checks 2.2 Preliminary recommendation 3.0: PRECISION D SERIES FEATURES 3.1 Analog Input 3.2 Digital SPDIF Input 3.3 Connecting your speakers 3.4 User Controls 4.0: EQUALISATION POSSIBILITIES 5.0: GUIDE TO SETTING THE EQUALISATION 6.0: PLACEMENT OF THE S[...]

  • Page 3

    4 5 Tannoy’s core technology, the Dual Concentric ™ is unlike ordinary drive units in that it is effectively two drivers, properly merged into one. The high-frequency unit is positioned on the back of the low frequency driver so that they are on the same axis. As a result sound energy is propagated from the same point and delivered through the [...]

  • Page 4

    6 7 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 v[...]

  • Page 5

    8 9 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). Low Mid Contour: a shelving [...]

  • Page 6

    10 11 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 1[...]

  • Page 7

    12 13 1 1 1 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 -10dB +10dB 0dB re 2.8v @ 1 metre 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. T[...]

  • Page 8

    14 15 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) a[...]

  • Page 9

    16 17 8.0: TECHNICAL SPECIFICATIONS Frequency response (1) Maximum SPL (2) Distortion Dispersion (@-6dB) Drive unit LF/MID Dual Concentric ™ HF SuperTweeter ™ Shielded SYSTEM 59Hz – 51 kHz 116dB <0.5% 90 degrees 165mm (6") Dual Concentric ™ constant directivity driver with multi fibre paper pulp cone 25mm (1") titanium dome neo[...]

  • Page 10

    18 19 11.0: WARRANTY 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. For further information please contact your dealer or the distributor in your country. If you c[...]