Zieaz LCA1 Instruction Manual Download | Manualshive

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v1.0 January. 2022

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Summary of Contents for LCA1

Page 1: ...on Manual Company website Zieaz net Webshop Z microphones net EMC 2014 30 EU DS EN 55032 2015 Radiation Emission DS EN 55035 2017 RF immunity 3V m RoHS 2011 65 EU Waste from Electrical and Electronic Equipment WEEE 1 of 25 v1 0 January 2022 ...

Page 2: ...asic usage at 0 Deg Angle 12 Recording sounds of different types 13 Dynamic range online tools 13 A low loudness singer use of Pop filter Pop shield 14 A dilemma practical issue 15 Close Miking 16 Overhead Miking 17 Storage Handling 18 Plug in Unplugging 18 After usage 19 Transportation 19 When stored in small unvented bags or boxes 19 Cleaning Polish guide 20 Why 20 Natural patina Cosmetic ageing...

Page 3: ...crophone is build to balance usefulness and enough mechanical robustness to last for about 3 human generations In perspective of As many have measured postulated and foreseen regarding humans way of living on planet earth When we are producing a Zieaz product we strive to minimize our strain on earths natural resources And as a company we participate in deciphering our own and others cultural aspe...

Page 4: ...B 1kHz 1 THD into 1kΩ Signal Noise 90dB SPL Power Requirement Phantom P48 Output Connection 19 pin HDMI See pin schematic for 3 pin XLR connection Requires a Zieaz HDMI to XLR patch cable for use with standard music equipment Net Weight 182 Grams about 170g of Brass CuZn40Pb2 CW617N Other materials about 12g grid plug electronics etc Corporate Social Responsibility CSR information ECO Data Progres...

Page 5: ... Response Cardioid The polar response curve is a guideline for how to place the microphone at the sound source The curve around the microphone represents the response at different angles form the microphones centre The highest response at 0 centre slight reduction at 45 more reduction at 90 and almost no response at 180 degrees 5 of 25 v1 0 January 2022 4dB 0dB 4dB ...

Page 6: ...lectronic components in the cable device can be damaged permanently when connected to the Phantom P48 power from the audio device Warranty is voided for any device if connected to an digital device Info Active or Optical HDMI cable are typically are longer than 3 meters and cost about 10 times more than passive cables For longer distance from the microphone to audio equipment use a standard 3 Pin ...

Page 7: ...7 of 25 v1 0 January 2022 ...

Page 8: ...Zieaz HDMI to 3 Pin XLR schematic 8 of 25 v1 0 January 2022 ...

Page 9: ...earby noise signal generators as radio stations or faulty a device Please read the HDMI version 2 1 specification here https www hdmi org spec hdmi2_1 Text form the webpage It features exceptionally low EMI electro magnetic interference which reduces interference with nearby wireless devices HDMI 2 1 Testing and Certification All products must comply with Version 2 1 of the HDMI Specification and ...

Page 10: ...nal immunity Better immunity performance is likely for a LCA1 Microphone industrial grade or better Testing for the actual limit is very expensive at a specialised test centre We will only investigate the immunity limit upon sufficient demand Try to stress your setup before recording by streaming a video using mobile data close 1 to 50cm from your recording gear all wires act as antennas so it is ...

Page 11: ...ent wear on device protective components The LCA1 microphone requires P48 volts phantom power When using with devices with no P48 volts phantom power option an external phantom power supply is needed Make sure that the power supply can deliver 48Volts You can expect lower microphone sensitivity with lower than 48 Volts if using a battery powered solution when depleted low battery Warranty Is not c...

Page 12: ...determine the optimum gain for the microphone input is to produce the maximum sound level for the session while setting the gain so the clipping light just blink usually red light And then adjust a bit lower to minimize the chance of clipping distortion This will ensure the best signal to noise ratio And give the best options for processing the recorded live sound afterwards The input in analogue ...

Page 13: ... have provided at online tool to estimate where the limits are in therms of maximum sound pressure the microphone can handle the limits of various standard preamps specifications and optimum distance from the microphone to the sound source You have to check your preamp full scale level in dBu to use the online calculator Try it on https z microphones net db guide See examples from the online dB gu...

Page 14: ... to get a good distortion free recording Using a Pop filter Pop shield at a distance of about 10 15cm as on the picture to the right Will greatly reduce plosive or moving Pop winds When saying singing English words with p t k like pat kid bag usually those Pop sounds can overload the the signal for a brief time Plosive in other languages may be different This would risk of distortion and or the ne...

Page 15: ...crease the distance of the microphone to the trombone to match the 10dB Pad limit of about 56cm A dilemma practical issue humans perception of sound intensity level is logarithmic The waveform of the trombone is compressed for our perception when we listen to it directly Because the recording gear is a linear system and the dominant constant frequencies for a tenor trombone are E2 82 4 Hz to Bb4 4...

Page 16: ...witch on the preamp if available and 0dB Gain is a good setting Importance to Pad Gain level in the analogue domain Since the Max dB at 0cm is around 129dB the peak voltage at peak sound pressure in the LCA1 microphone will reach about 5 2 dBu 1 4 Volts RMS so when connected to a 4dBu 0 49 Volt RMS full scale preamp the signal from the microphone needs to be reduced before the gain stage in the pr...

Page 17: ... instruments sound to be captured When recording the whole sound of a symphony orchestra placement of overhead microphones 2 or more needs to be placed so they capture as many of the instruments as possible Usually an experienced sound engineer knows how to place low loudness instruments and high loudness instruments in appropriate distance to the microphones Working with microphone placement is i...

Page 18: ...plugged from the HDMI cable by pulling from the sides on the back green circles in a straight motion to minimize stress on the plug and the HDMI cable Plug in Unplug To reduce fingerprints on the brass body while unplugging use a dry cotton cloth or paper kitchen towel Please be aware that you can easily drop the microphone when unplugging as the microphone is slippery and relatively small in size...

Page 19: ...ing a optional 3D Printed TPU TPE case for the LCA1 microphone will protect the microphone against drops that can damage the the microphone add dents and or scratches When stored in small unvented bags or boxes To minimize condensation from air temperature changes place a standard Silica Gel bag can prolong the lifespan of the microphone and reduce the natural development of patina on the brass bo...

Page 20: ...ed by patina It is up to the owner to evaluate the need for polishing Some like patina on their brass products as some other have different preferences for Procedure When cleaning polishing use a cloth that has a low release of fibres as they would build up near the diaphragm at the grid If using a wet wipe the amount of wetting liquid could make foam that will enter the microphone though the grid...

Page 21: ...ocedure does not promise a desirable result as scratches dents cannot be recovered by polishing And very stubborn patina requires specialized recovery work at a Zieaz authorized workshop Visit our webshop for guidance for our cleaning polishing and diaphragm replacement services at https z microphones net shop 21 of 25 v1 0 January 2022 ...

Page 22: ...ly fall and drop on the floor ground Using wet wipes will clean the surface gently with low risk of applying scratches The kitchen towel will prevent generation of foam from the wet wipe and provide a soft underlay Hold one each end of the wet wipe About half of the opening is free this way there will not build up high air pressure while polishing Using printer copy paper can produce a high gloss ...

Page 23: ...ed 1 The finish cannot be quantified or generalized as each product has unique features due to the manufacturing process and normal use wear of untreated brass generates natural patina colouration changes 1 Before purchase Review the images of each individual LCA1 s identified by the unique serial number An image collection is saved at Zieaz for reference 2 If design or appearance is factor for us...

Page 24: ...eaz product guarantee as Zieaz is unable to verify or test the altered product 1 If the product is passed on to a new owner please inform the new owner about any user upgrades or modifications that violate the warranty Return policy Please visit our website for a detailed return policy and procedure for returning https z microphones net or https zieaz net 24 of 25 v1 0 January 2022 ...

Page 25: ... zieaz net or https lca earth for recycling and reward information Disassembly s guidelines if applicable available Material recycling guidelines for Brass CuZn40Pb2 CW617N Semiconductors electronic components Plugs and cables Accessories with non biodegradable substances Zieaz European office Zieaz Microphones Street name Kastanievej 1 Post code 4690 City Haslev Country Denmark CVR 32208746 VIES ...

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