TLA EQ5013 manual - fra www.interstage.dk
Contents
1. Audio IVORY SERIES User Manual EQ 5013 VALVE EQUALISER Tony Larking Professional Sales Limited Letchworth England LA LAO AndNt Wenn MLSNI 39815 3g01al 8 9 8 LASNI HOLIMS THANN 13931 17 1 0 NIYI ROLIMS 178170 1 1 wan ane 1 Oa INIT Andina Wa mara CHOLIMS OLNU 103735 MLSNI 0 2018 TSNNUHID 1 514 INTRODUCTION The T L Audio Ivory Series consists of a range of hybrid valve signal processors which utilise low noise solid state electronics in conjunction with classic valve circuitry to produce audio processing units offering very high quality signal paths with the unique valve audio character The Ivory Series units offer comprehensive control facilities whilst remaining straight forward to operate and represent excellent value for money The 5013 Parametric Equaliser offers four bands of fully variable equalisation on each of its two channels Both channels feature balanced and unbalanced line level inputs plus a front panel auxiliary instrument input The block diagram of one of the channels is shown in fig 1 The balanced line input is connected via an XLR socket whilst the unbalanced connection is via a 0 25 TRS jack socket The nominal input levels are 4dBu and 10dBu on the balanced and unbalanced inputs respectively but these may be shifted to 182. hence headroom and signal to noise ratio of the unit The output is via a balanced XLR socket at a nominal level of 4dBu with an unbalanced output on a jack socket at a nominal level of 10dBu Complementary to the input level switch an output nominal level switch is located adjacent to the sockets to match the balanced and unbalanced outputs to a wide variety of equipment Please read this manual fully before installing or operating the Equaliser PRECAUTIONS The L Audio EQ 5013 Equaliser requires very little installation but like all electrical equipment must be taken to ensure reliable safe operation The following points should always be observed All mains wiring should be installed and checked by a qualified electrician Ensure the correct operating voltage is selected on the rear panel before connecting to the mains supply Never operate the unit with any cover removed Do not expose to rain or moisture as this may present an electric shock hazard Replace the fuse with the correct type and rating only Warning This equipment must be earthed INSTALLATION AC Mains Supply The unit is fitted with an internationally approved 3 pin IEC connector A mating socket with power cord is provided with the unit wired as follows Brown Live Blue Neutral Green Yellow Earth Ground All mains wiring should be performed by a qualified electrician with all power switched off and the earth c
3. wired as follows Tip Signal Phase hot Screen Ground Auxiliary Instrument Inputs A 2 pin mono jack plug is required which should be wired as follows Tip Signal Phase or Screen Ground The auxiliary input is suitable for direct connection of instruments including guitars and keyboards Good quality screened cable should be used particularly for microphone or low level sources to prevent hum or noise pickup Balanced Output The output is via a balanced 3 pin male XLR connector The mating connector should be wired as follows Pin 1 Ground screen Pin 2 Signal Phase hot Pin 3 Signal Non Phase or 1 Unbalanced Output An unbalanced line output is provided for each channel on a 0 25 mono jack socket Tip Signal Phase or hot Screen Ground Mounting The equaliser may be free standing or mounted in a standard 19 rack Always ensure that the cooling vents on the front and sides are clear of obstruction and do not subject the unit to an external source of heat by mounting immediately above a power amplifier for example If used free standing ensure that the equipment is protected against rain and spillage of liquid Rear Panel HOLIMS 4153735 7130371 LAdNI HOLIMS LAINE SSYOLIANNOD LONI lee 124135 3981100 SNIVW INANI TANNYHD 3 13 SNI
4. EN TANUd bse 8 913 HILIMS AAMOd JOYLNOD 15008 LN3 71041 03 ASNANGAA4 TOMLNGS NIYI LNdNI INdNI OXLNOD 9 LNAWASLSNI Q 836118093 samas 6 71 nwn etos 0 0 HILIMS NI 93 5031 933 ONY 041 02 730431 104100 44044 914 The rear panel connectors are identified in fig 3 Make sure that all settings mains and audio connections have been made as described above before attempting to operate the equipment OPERATION Front Panel The front panel controls are identified in fig 2 Line Input A line level signal should already be at about the correct operating level but check that the input level switch is correctly set An input gain adjustment may be made if necessary Aux Instrument Input The front panel auxiliary instrument input socket is suitable for low level sources such as microphones pick ups or passive guitars and higher level sources such as active guitars and keyboards The instrument input is also controlled by the input gain control Due to the wide range of the input a high level of gain is available in the equaliser and care should be taken not to apply excessive input gain to a high level signal DRIVE and PEAK LEDs The orange Drive LED provides a visual indication of the signal level through the valve stages and therefore the extent of warming or valve character being introduced The drive LED will g
5. as the audio signal being recorded and should therefore only be used if an output level in excess of the nominal 4dBu is required SPECIFICATIONS Balanced Line Input Electronically balanced unbalanced compatible with input impedance greater than 5Kohm Gain range 20dB to 20dB Nominal input level 4dBu Maximum input level 26dBu 3 pin female XLR connector Unbalanced Input Input impedance greater than 5Kohm Gain range 20dB to 20dB Nominal input levels 10dBu Maximum input level 12dBu 2 pole 0 25 jack socket Input Level Switch Converts the balanced and unbalanced line level inputs to 18dBu and 4dBu nominal respectively Instrument Input Gain control range 40dB Maximum input level 12dBu 2 pole 0 25 jack socket Equalisation Four bands per channel with overall EQ ON switch Each band fully parametric peaking response with continuously variable cut boost frequency and Q Cut and boost 15 Q range 0 5 to 5 Frequency range LF 30Hz to 1KHz LM 100 7 to 3KHz HM 1KHz to 12KHz HF 3KHz to 20KHz Output Gain Control OdB at centre 20dB gain variation Balanced Outputs Output impedance 47 ohms Maximum level 26dBu 3 pin male XLR connector Unbalanced Outputs Output impedance 47 ohms Maximum level 18dBu into 10Kohms 2 pole 0 25 jack socket Output Level Switch Converts the balanced and unbalanced line level outputs to 18dBu and 4dBu nominal re
6. dBu and 4dBu respectively by the input level switch This feature offers greater flexibility of connection to other equipment particularly the latest generation of digital recorders which require a comparatively high input level The line inputs have an overall gain range of 20 to 20dBu The front panel mounted auxiliary instrument jack socket allows direct access to the channel inputs The input is suitable for a variety of sources including guitar acoustic pickup and keyboard The instrument input is also controlled by the input gain potentiometer and will accept a wide range of sources from passive pickups to active guitars and keyboards The input stage is monitored by the Drive and Peak LEDs Drive is a variable intensity LED designed to indicate the signal level through the valve stages and thus the amount of warming applied to the signal Peak is a conventional warning that clipping is about to occur and will illuminate if there is an excessively high level present at any point in the signal chain Both channels feature a four band parametric equaliser All of the EQ bands comprise centre detented cut and boost control swept frequency and continuously variable Q controls Master level controls are provided post EQ These controls are also centre detented for ease of line up but may be varied in conjunction with the input gain controls to alter the operating level through the circuitry optimising the operating level and
7. he equaliser may be used to change between operating levels for example by connecting the unbalanced output of a semi pro mixing console to the equaliser s unbalanced input and taking the balanced output of the equaliser to the balanced input of a tape machine at 4dBu All line level inputs and outputs of the equaliser may be used simultaneously if required Balanced interconnection is always preferable to obtain the best headroom and noise rejection but can only be used if the other equipment in the chain e g the mixing console also has provision for balanced connections Audio Inputs Line Input The line level input is via a 3 pin female XLR connector suitable for balanced or unbalanced line sources at a nominal level of 4dBu The mating connector should be appropriately wired as follows for balanced or unbalanced operation Balanced inputs Pin 1 Ground screen Pin 2 Signal Phase also known as or hot Pin 3 Signal Non Phase or 1 Unbalanced inputs Pin 1 Ground screen Pin 2 Signal Phase or hot Pin 3 Signal Ground When using unbalanced signals the signal ground may be obtained by linking pins 1 and 3 in the mating XLR connector If this connection is not made a loss in level may result Unbalanced Line Inputs An unbalanced line level input at nominal level of 10dBu is also provided a 0 25 mono jack socket The mating plugs should be
8. onnection must be used Before connecting the unit to the supply check that the voltage selector switch on the rear panel is correctly set The unit may be set for 115V accepting voltages in the range 110V to 120V 60Hz AC or to 230V for voltages in the range 220V to 240V 50Hz AC Adjustment to the operating voltage should be made by sliding the selector switch left or right with a small screwdriver until the desired voltage is displayed The mains fuse required is 20mm anti surge 1 rated at 250V If it ever necessary to replace the fuse only the same type and rating must be used The power consumption of the equipment is 30VA Warning attempted operation on the wrong voltage setting or with an incorrect fuse will invalidate the warranty Audio Operating Level The equaliser is equipped with inputs and outputs suitable for connection to a wide variety of other audio equipment Generally the balanced XLR connections will be required for interfacing to other professional equipment where the operating level line up level or nominal level will be 4dBu or approximately 1 2V rms The unbalanced jack connectors are generally intended for interfacing to semi professional equipment and have an operating level of 10dBu or about 225mV rms However the input and output level switches allows these levels to be shifted by 14dB 1 to 18dBu on the XLRs suitable for high levels from a digital tape and 4dBu on the unbalanced jacks T
9. price of the equipment and excludes any consequential damage or loss Please include proof of purchase date if claiming repair under warranty For your own records please complete the following details Serial Date HF MIN MAX RESPONSE gt gt 1 Mia Hh A Se 10 100 1000 10000 10000 Freauenev Hzl LF MIN MAX RESPONSE mi EAE TNT 20 0 10 10000 TYPICAL CUT VARIATI La N
10. radually illuminate as the input level or gain is increased over the range OdB to 12dB The red Peak LED operates as a conventional warning that clipping is about to occur The operating level of the entire signal chain is monitored and the LED illuminates when there is less than 5dB of headroom remaining If the input and output gain controls set to their centre OdB positions and there is no EQ boost applied the Peak LED will illuminate some 8dB after the Drive LED has reached its full intensity However it is possible to add gain further down the chain EQ boost or output level gain which will cause the Peak LED to illuminate at a lower level of Drive This situation implies that a high level of clean signal is present without driving the valves at a high level Equalisation Before switching the EQ into circuit it is advisable to set the cut boost controls to their centre or flat position The EQ is brought into circuit with the overall EQ IN push switch signalled by a green LED Both channels feature four bands of equalisation all with fully variable cut and boost controls offering 15dB of range swept frequency and variable Q The Q of the filter is a measure of the shape of the frequency response curve and is closely related to the bandwidth or range of frequencies controlled by the filter High Q settings about 5 at the maximum setting on the 5013 result in sharp narrow bandwidths generally u
11. sed for audio correction or effects Intermediate settings say to 3 are generally used to enhance or reduce a broader range of frequencies typically to make an instrument or vocal stand out or recede into the mix Finally low Q values down to about 0 5 on the 5013 provide more gentle contouring or sweetening of the response The four bands of EQ per channel are nominally designated as LF low frequency LM and HM low and high mid frequency and HF high frequency However the frequency variation available on each band allows overlapping of two or more bands into the same frequency range This arrangement affords maximum flexibility allowing for example reduction of a narrow band whilst simultaneously boosting an overlapping broader band of frequencies Used individually or in combination the filter bands allow comprehensive equalisation of any audio signal Typical response curves and the effect of control setting variations are shown in the specification section of this manual Note the wide 10Hz to 40KHz bandwidth of the 5013 Output Level The output level control is centre detented for OdB gain with 20dB of gain available The additional gain may be useful if the output of the equaliser is connected directly to a digital recorder which requires a high level of modulation Note that applying additional gain at the output will not increase the dynamic range of the signal but will increase the noise level as well
12. spectively Frequency Response 10Hz to 40KHz 0 Noise 80dBu 22Hz to 22KHz line input selected at OdBu input and output gain equaliser on and flat Dynamic Range 106dB Line input OdB gain Dimensions 19 rack mounting 2U high 483mm wide x 88mm high x 200mm deep Weight 2 5Kg Power Requirements Rear panel selectable for 220 240V 50Hz or 110 120V 60Hz operation Rear panel fuse 20mm 1AT 250V Power consumption 20VA typical Detachable 3 pin IEC connector mating connector and cable supplied Front panel On Off switch with green LED The above specifications are subject to change without notice SERVICE Should the equaliser require service it must be taken or posted to an authorised dealer Please retain the original packing for possible future use and ensure the unit is suitably protected during transit The manufacturer cannot accept responsibility for damage caused during transportation The equaliser is supported by a limited warranty for a period of one year from the date of purchase During this period any faults due to defective materials or workmanship will be repaired free of charge The warranty excludes damage caused by deliberate or accidental misuse operation on the incorrect mains voltage or without the correct type and value of fuse fitted It is the user s responsibility to ensure fitness for purpose in any particular application The warranty is limited to the original purchase
Download Pdf Manuals
Related Search