TDX2 USER MANUAL
Tannoy TDX2 Quick reference To access a channel press the appropriate channel’s ‘GAIN’ button. When you press the button once you will get that channel’s gain screen. To scroll through a channels’ parameters, use the ‘BACK’ and ‘NEXT’ keys. (If you press the gain button a second time, you will get the last parameter viewed. A third press will take you back to the default screen.) To enter the menus, press the ‘MENU’ key. Use the ‘BACK’ and ‘NEXT’ keys to take you to the sub-menu you require.
Contents Important Safety Information ................................................................................................. 7 1. Introduction ....................................................................................................................... 8 2. Unpacking the TDX2.......................................................................................................... 8 3. General Overview and Features..........................................................................
12.2. Grounding ............................................................................................................... 31 13. Warranty ....................................................................................................................... 32 14. Appendices.................................................................................................................... 33 14.1. Appendix 1 : Limiter threshold...........................................................................
An example of this equipment has been tested and found to comply with the following European and international Standards for Electromagnetic Compatibility and Electrical Safety: Radiated Emissions (EU): EN55013-1 (1996) RF Immunity (EU): EN55103-2 (1996) RF Immunity, ESD, Burst Transient, Surge, Dips &Dwels Electrical Safety (EU): EN60065 (1993) Important Safety Information Do not remove Covers. No user serviceable parts inside, refer servicing to qualified service personnel.
1. Introduction Thank you for choosing the Tannoy TDX2 loudspeaker system controller for your application. The TDX2 is an advanced digital electronic controller intended to optimise the performance of Tannoy loudspeaker systems. This manual explains how to configure the TDX2 to be tailored to your specific application. As well as technical specifications it also contains some helpful advice on how to use this controller and how to obtain the best possible performance from this unit.
• • • • • • • Six high performance limiters are provided, featuring a wide range of control over Attack, Release and Threshold parameters. The output meters shows headroom to the limit threshold. The meter time constants track the limiter time constants to show precise power usage. Variable High and Low pass filters for each output can be set for 12, 18 and 24dB per octave slopes with a choice of Bessel, Butterworth or Linkwitz-Riley responses.
4. Front Panel Functions 1. LCD Display - Shows menu options, output information and various parameters being adjusted. 2. Gain Keys - Two input and six-output ‘gain’ keys allow instant access to the gain screen for each channel. When a channel is selected the accompanying LED lights up. Pressing a second time selects the last function edited. 3. Next Key - Moves the display forwards through the list of available parameters for the current input or output channel. 4.
5. Rear Panel Functions 1. Power Switch. 2. Mains Fuse - Located in a finger-proof fuse holder adjacent to the mains inlet. Always replace this fuse with the correct type as shown on the rear panel 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.
6. Operating the TDX2 6.1. Preliminary Set-up The following procedure should be followed when first installing the TDX2. Connect the unit to a mains outlet with the mains cable provided, via the IEC connector located on the back of the unit. The unit is switched on by flicking the power switch. The unit will take several seconds to load. The menu is accessed by pressing the ‘MENU’ key. The relevant sub-menus are selected by using the ‘BACK’, ‘NEXT’ and ‘ENTER’ keys as described in the sections below. 6.2.
6.4. Menu Selections The following menu selections are available. To access menus, see instructions under preliminary set-up above. Xover Sub-Menu: Load a Xover: Loads a pre-defined crossover. Design a Xover: Set-up wizard for designing a crossover. Store a Xover: Stores all output settings as a defined crossover. Erase a Xover Mem: Erases a Xover from the list Input Set-up Sub-Menu: Allows ganging of inputs. Security Sub-Menu: Locks the unit with a unique user defined 4 digit code.
7. TDX2 Configurations 7.1. Introduction To simplify set-up of the TDX2, 5 crossover modes are menu selectable. These all have parametric equalisers, high and low pass filters, limiters, gain and delay. For detailed information on these modes please study the block diagrams along with the following descriptions. 2 x 3 way and 2 x 2 way crossover modes have the option available to provide precise 'ganged' parameter adjustment for stereo sources. 7.2. Crossover Modes Please see block diagram.
distance (System Sub-menu) and is adjustable in 2.6µS steps (1mm), or in 0.8mm (or 0.003 feet) steps. Alternatively, to convert from units of time (i.e. milliseconds) to units of distance use the following formula, or change 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.
7.5.
Tannoy TDX2 4 Way + 2 X-Over Tannoy TDX2 5 Way + 1 X-Over 17
Tannoy TDX2 6 Way X-Over 18
7.6. Output Limiters High performance digital limiters are provided for each output with control over attack time, release time and threshold level parameters (see Section 8.2, page 22). This level of control allows the user to balance the required subjective quality of the limiter against the driver protection requirements.
8. Function Screens 8.1. Parametric Equaliser Screen OP1+4 1K00Hz Low PEQ: 1 Ο B=.34 0.0dB All modes feature a total of 30 bands of fully flexible parametric equalisation (5 per output), with all sections selectable to Low or High frequency shelving response. Each parametric section can be positioned at a frequency from 20Hz to 20kHz and features a wide range of 'Qs’ to produce response curves ranging from broad to notch. The gain control ranges from +15dB to -30dB in 0.1dB steps.
8.2. High and Low pass filter Screens OP1+4 < 10Hz Low Bessel HPF 24dB Each output has an independent high pass filter and an independent low pass filter. Both filters have a range of selectable slopes, which are Bessel 12dB, 18dB and 24dB, Butterworth 12dB, 18dB and 24dB, and Linkwitz-Riley 24dB. High pass filters have a range of <10Hz (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.
8.3. Limiter Screen OP2+5 Mid Limiter Atk:4.0mS Rx16 +22dB Each output has an independent high performance limiter. All limiters have an attack range of 0.3mS to 90mS, release times are 4, 8, 16 and 32 times the attack time and thresholds range from +22dB to –10dB in 1dB steps. If the automatic limiter time constant option is in use, all limiter screens will say ‘automatic’ and the time constants will be set from the High pass filter frequency. A table of dB to Vrms is in appendix 1.
8.4. Delay Screen OP1 Low Delay = 1.003mS Each output has an independent delay time control. This can be adjusted in 2.6µs steps and in 1ms steps giving complete control over driver time alignment. Input delay (base delay) is adjustable in 1ms steps only. To adjust the delay settings: Select relevant channel by pressing the channel ‘GAIN’ button. Use the ‘BACK’ and ‘NEXT’ keys to select the delay screen. Use the ‘FREQ’ control for coarse control. (1mS steps) Use the ‘Q’ control for fine control. (2.
8.6. Gain Screen O/P1+3 LOW Gain = 0.1dB Each output and input has an individual gain screen. The outputs have a range of +15dB to –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.
9. Menu Options 9.1. X-over Sub-Menu Press 'MENU' and select X-over Sub-menu using the ‘BACK’, ‘NEXT’ and 'ENTER' keys. Four options are available in this sub-menu which are: Load a Xover : Loads a stored crossover. This includes factory preset files. Updates can be obtained from your distributor or from the Tannoy website, www.tannoy.com Design a Xover: Opens a wizard to design a crossover. Options include format type, ganging of outputs, routing and automatic limiter time constants.
including all menus. Changes + view: This option locks all parameters and the viewing of them on the LCD including all menus. Changes + mutes: This option locks all parameters, including all menus, and disables all mute keys. Everything: This option locks all parameters and the viewing of them, including all menus, and disables all mute keys. To 'unlock' the security system, press the 'MENU' key and enter correct code.
when downloading 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.
10. Equalisation Curves Figure 1 - Parametric filter gain curves. Figure 2 - Parametric filter 'Q' curves. Figure 3 - Parametric filter High and Low shelf curves.
Figure 4 - High pass filter curves. Figure 5 - Low pass filter curves. Figure 6 - Parametric filter with high 'Q' to achieve notch response.
11. Specifications Inputs Impedance CMRR Two electronically balanced. u > 10k ohms. >65dB 50Hz - 10kHz. Outputs Source Imp Min. Load Max. Level Six electronically balanced. u < 60ohms. 600ohm. +20dBm into 600 ohm load. Frequency Resp. Dynamic Range Distortion Maximum Delay Output gain Input gain ±0.5dB 20Hz - 20kHz. >110dB 20Hz -20kHz. Unwtd. < 0.02% @ 1kHz, +18dBm. 650 mS. (Increment 2.6 µS) adjustable +15dB to -40dB in 0.1dB steps and mute. Adjustable +6dB to -40dB in 0.1dB steps.
12. Operating Notes 12.1. Operating Level With any audio signal processing equipment it is necessary to ensure adequate signal level is used through the device, to avoid sacrificing noise performance. The TDX2 features a menu selectable choice of operating levels to reduce this problem (see section 8.6) It is suggested that the operating level chosen should give adequate level to just light the -6dB LED on the headroom meter with maximum program level being used.
13. Warranty No maintenance of the TDX2 is required. If servicing is required, it must only be carried out by qualified personnel. Do not remove the top cover, as there may be a risk of electric shock. All Tannoy electronic components are guaranteed for a period of one year from the date of shipment, 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.
14. Appendices 14.1. Appendix 1 : Limiter threshold Limiter threshold in dB to Vrms lookup table. 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.
14.2. Appendix 2: Default Xover Settings Default X-over settings and names for all formats. X-over 2x2 way+Ms Output 1 Output 2 Output 3 Output 4 Output 5 Output 6 Low High Low High Msub Aux 120Hz – 1k82Hz 1k82Hz – 22kHz 120Hz – 1k82Hz 1k82Hz – 22kHz 24.8Hz – 120Hz <10Hz – 22kHz 2 x 3 way Low Mid High Low Mid High 22.1Hz – 120Hz 120Hz – 1k82Hz 1k82Hz – 22kHz 22.
Tannoy Preset Parameters and the latest downloadable preset files are available from your Tannoy distributor or from our website: www.tannoy.com Tannoy Limited, Professional Division, Coatbridge, Strathclyde, ML5 4TF, Scotland. Tel: +44 (0) 1236 420199 Fax +44 (0) 1236 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.
