Tannoy TDX2 User Manual Download Page 29 | Manualshive

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Figure 4 - High pass filter curves.

Figure 5 - Low pass filter curves.

Figure 6 - Parametric filter with high 'Q' to achieve notch response.

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Summary of Contents for TDX2

Page 1: ...TDX2 USER MANUAL ...

Page 2: ...2 ...

Page 3: ...ing format output EQ output delay output gain and limiter settings Also used for designing a new X over Input Sub Menu Used for ganging inputs Security Sub Menu Used for locking various features of the unit with a unique 4 digit code System Sub Menu Used to view reports of the units status Other options include whether the parameters are displayed in Q or bandwidth and if the meters are pre or pos...

Page 4: ...4 ...

Page 5: ...4 7 2 Crossover Modes 14 7 3 Filter slopes 14 7 4 Time Alignment 14 7 5 Block Diagrams of X Over modes 16 7 6 Output Limiters 19 8 Function Screens 20 8 1 Parametric Equaliser Screen 20 8 2 High and Low pass filter Screens 21 8 3 Limiter Screen 22 8 4 Delay Screen 23 8 5 Polarity Screen 23 8 6 Gain Screen 24 9 Menu Options 25 9 1 X over Sub Menu 25 9 2 Input Set up Sub Menu 25 9 3 Security Sub Men...

Page 6: ...6 12 2 Grounding 31 13 Warranty 32 14 Appendices 33 14 1 Appendix 1 Limiter threshold 33 14 2 Appendix 2 Default Xover Settings 34 ...

Page 7: ...RIQUE NE PAS ENLEVER NE PAS EXPOSER A LA PLUIE NI A L HUMITE It should not be necessary to remove any protective earth or signal cable shield connections Do not defeat the purpose of the polarized or grounding type plug A polarized plug has two blades with one wider than the other A grounding type plug has two blades and a third grounding prong The wider blade and the third prong are provided for ...

Page 8: ... conventional products in a compact 1U high unit For ease of use the TDX2 is factory set for operation with Tannoy products In addition to this 19 user memories are available The latest preset files and Tannoy parameters can be obtained from your distributor or from the Tannoy website www tannoy com The TDX2 has 2 inputs and 6 outputs which can be configured in 5 basic modes 2 x 2 way 2 x 3 way 4 ...

Page 9: ...dependent control over High Low pass functions allows asymmetric crossover functions to be realised Three velocity sensitive rotary encoders provide a familiar and easy to use control format with all filter information displayed simultaneously on a backlit LCD display Delay of up to 650mS can be independently set for each output with a minimum increment of 2 6µS Comprehensive standard specificatio...

Page 10: ...d by pressing the BACK and NEXT keys or using the FREQ control 6 Enter Key Enters the chosen menu and confirms menu selections 7 Quit Key Exits the menu 8 Bypass Key Allows the currently displayed parametric section to be bypassed Note The High pass Low pass filters and limiters can not be bypassed 9 Parameter Controls The three velocity sensitive rotary encoders allow the relevant parameter on th...

Page 11: ...nel legend N B A spare fuse is located in this holder 3 Mains Power Connected via a standard IEC socket A compatible power cord is supplied with the unit 4 External RS232 via a 9 pin DIN DEE socket for connection to a PC 5 XLR Inputs and Outputs 3 pin XLR connectors are provided for each audio input and output All terminations are fully balanced pin 2 Hot pin 3 Cold and pin 1 Screen shield ...

Page 12: ...ssover will load automatically 6 3 Designing your own crossover Press MENU and use the BACK and NEXT keys to select Xover sub menu on the screen Press ENTER Use the BACK and NEXT keys to select Design a Xover then press Enter to select Follow the set up wizard to design your crossover The menu functions will be explained in the Section 9 When in a menu use the BACK and NEXT keys to display menu op...

Page 13: ...n page 24 System Sub Menu System Status Displays unit information including software version and temperature LCD Contrast Adjusts LCD contrast LED Brightness Adjusts LED brightness Temperature Alarm Sets a temperature warning value in Centigrade Wake up Time Sets the unit wake up time and whether or not the unit starts up in mute Output Meters Selects output meters to be pre or post mute Filter Q ...

Page 14: ...should also be noted that the turnover frequency displayed on the TDX2 is the 3dB point for all slopes except 24dB Linkwitz Riley where the 6dB point is shown If the 6dB point is to be used for the Bessel or Butterworth filter take the required crossover frequency multiply this by the appropriate factor from the following table and then select the closest available frequency on the TDX2 s display ...

Page 15: ...ge the input method in delay time distance in the System Sub Menu 1 millisecond 343mm 1 126ft 20 C 68 F or to calculate time delay for a known distance use Time delay Distance in meters 20 06 x 273 C Were C is the temperature in C Or to simplify this equation at 20 C Delay time in milliseconds Distance in meters x 2 192 Or delay time in milliseconds Distance in feet x 0 955 N B Centigrade Fahrenhe...

Page 16: ...16 7 5 Block Diagrams of X Over modes Tannoy TDX2 2 2 Way 2 Mono Sum X Over Tannoy TDX2 2 3 Way X Over ...

Page 17: ...17 Tannoy TDX2 4 Way 2 X Over Tannoy TDX2 5 Way 1 X Over ...

Page 18: ...18 Tannoy TDX2 6 Way X Over ...

Page 19: ...n attack or release time will result in excessive low frequency distortion In design a crossover sub menu there is an option for automatic limiter time constants In this mode the time constants will be automatically set from the High pass filter frequency See table below 7 7 Table of automatic attack and release times The time constants are set by the high pass filter frequency for that channel Hi...

Page 20: ...ry narrow band notch filters maximum Q of 128 can be achieved and unlike analogue filters these tight Q filters are entirely stable The maximum notch depth is 30dB Parametric filters are carefully implemented using Double Precision processing This method is costly in terms of processing power but yields substantial benefits in terms of the TDX2 s exceptional noise performance and greatly improved ...

Page 21: ... through to 16kHz and Low pass filters have a range of 22kHz through to 35 1Hz in 1 36 octave steps HPFs and LPFs can be asymmetrical set To adjust HPF LPF settings Select relevant channel by pressing the channel GAIN button Use the BACK and NEXT keys to select HPF and LPF screens Use the FREQ control to adjust the frequency Use the Q control to select the slope Note The low pass filter frequency ...

Page 22: ...he time constants will be set from the High pass filter frequency A table of dB to Vrms is in appendix 1 The output meters are linked to the time constants of the limiters so true output metering is achieved To adjust the limiter settings Select relevant channel by pressing the channel GAIN button Use the BACK and NEXT keys to select the limiter screen Use the FREQ control to adjust the attack tim...

Page 23: ...Use the Q control for fine control 2 6µS steps N B To show delay in distance mm or feet rather than time go into the system sub menu select DelayTime Distance select Metres or Feet 8 5 Polarity Screen Each output has an independent polarity screen This gives the flexibility to reverse the phase of individual outputs rotate by 180 N B When the outputs are ganged the polarity screens remain individu...

Page 24: ...o 40dB adjustable in 0 1dB steps and the inputs have a range of 6dB to 40dB again adjustable in 0 1dB steps To adjust the gain Select relevant channel by pressing the channel GAIN button Use the BACK and NEXT keys to select the gain screen Use the GAIN control to adjust the gain in dB O P1 3 LOW Gain 0 1dB ...

Page 25: ...T keys Press ENTER to confirm There is only Gang Inputs in this menu This gangs A and B inputs so that precise adjustments can be made to both inputs simultaneously 9 3 Security Sub Menu Press MENU and select Security Sub menu using the BACK NEXT and ENTER keys Press ENTER to load one of the four selections See below A four digit security code will then be asked for This can be entered by using th...

Page 26: ...mperature ever reached LCD Contrast Adjusts the LCD contrast from 0 to 100 LED Brightness Adjusts the LED brightness from 1 to 15 Temperature Alarm Sets a temperature warning between 20 and 80 C The default screen will flash ALARM Temp n C when the specified temperature is reached N B the warning does not affect the units performance in any respect Wake up Time Sets how the unit starts up with one...

Page 27: ...wnloading new presets 9 6 AES EBU Sub Menu Connection of AES EBU signals is via the existing rear panel XLR connectors Menu Selections With the AES EBU option fitted AES Receive and Diagnostic modes are provided ...

Page 28: ...28 10 Equalisation Curves Figure 1 Parametric filter gain curves Figure 2 Parametric filter Q curves Figure 3 Parametric filter High and Low shelf curves ...

Page 29: ...29 Figure 4 High pass filter curves Figure 5 Low pass filter curves Figure 6 Parametric filter with high Q to achieve notch response ...

Page 30: ...ains 15dB in 0 1dB steps High and Low pass Filters Filters 1 of each per output Frequency HPF 10Hz 16kHz 1 36 octave steps Frequency LPF 60Hz 22kHz 1 36 octave steps Response Bessel Butterworth 12 18 24dB per octave and Linkwitz Riley 24dB per octave Limiters Threshold 22dBu to 10dBu Attack time 0 3 to 90 milliseconds Release time 4 8 16 or 32 times the attack time Display 2 x 20 character backlit...

Page 31: ...e clipping point for that option not a safe operating level Always ensure that this clipping point is no lower than that for the following equipment in the signal chain and allow extra margin if equalisation sections are boosted 12 2 Grounding The Screen shield pins on all audio connectors are normally connected directly to the ground pin of the IEC mains inlet The chassis is also directly connect...

Page 32: ...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 cannot locate your distributor please contact Customer Services Tannoy Ltd Professional Division Rosehall Industrial Estate Coatbridge Strathclyde ML5 4TF Scotland Telephone 44 0 1236 420 199 Fax 44 0 1236 428 230 Email prosales tannoy com DO N...

Page 33: ... dB Vrms dB Vrms 22 9 75 5 1 38 21 8 69 4 1 23 20 7 75 3 1 09 19 6 90 2 0 98 18 6 15 1 0 87 17 5 48 0 0 77 16 4 89 1 0 69 15 4 36 2 0 62 14 3 88 3 0 55 13 3 46 4 0 49 12 3 08 5 0 44 11 2 75 6 0 39 10 2 45 7 0 35 9 2 18 8 0 31 8 1 95 9 0 27 7 1 73 10 0 24 6 1 55 Calculation Vrms 0 7746 x 10 dBu 20 ...

Page 34: ... Low Mid High Low Mid High 22 1Hz 120Hz 120Hz 1k82Hz 1k82Hz 22kHz 22 1Hz 120Hz 120Hz 1k82Hz 1k82Hz 22kHz 4 way 2 Low LoMid HiMid High Aux Aux 15Hz 149Hz 149Hz 1k31Hz 1k31Hz 8kHz 8kHz 22kHz 20 1Hz 22kHz 20 1Hz 22kHz 5 way 1 Sub Low LoMid HiMid High Aux 15Hz 80 3Hz 80 3Hz 180Hz 180Hz 1k31Hz 1k31Hz 8kHz 8kHz 22kHz 20 1Hz 22kHz 6 way LoSub Sub Low LoMid HiMid High 15Hz 80 3Hz 80 3Hz 149Hz 149Hz 1kHz 1...

Page 35: ...35 ...

Page 36: ... 428230 e mail prosales tannoy com Website www tannoy com Tannoy TGI North America Inc 335 Gage Avenue Suite 1 Kitchener Ontario Canada N2M 5E1 Tel 519 745 1158 Fax 519 745 2364 e mail infoplease tgina com or litplease tgina com Website www tannoy com Tannoy Nederland b v Anthonetta Kuijlstraat 19 3066 GS Rotterdam Tel 010 286 0554 Fax 010 286 0431 e mail info tannoy nl Website www tannoy nl Tanno...

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