MiniSPL User Manual
Contents
1. Response Output Peak Acoustic Input Noise Load Conditions Power Supply Dimensions Weight Temperature Humidity Conforms to the Normative Standards 1 2 omni directional pre polarized condenser free field transducer balanced 20 2 mV Pa unbalanced 10 1 mV Pa 1 kHz 20 C 0 05 dB C ace 1OE olloy 2eG lass tolerance curve is shown on typical calibration certificate balanced 130 dB 1 kHz 32 dB A weighted 20 200 kOhm balanced to achieve this always switch PHANTOM POWER off 1x AA battery 1 5 V battery lifetimetypical 300 hrs no phantom power supply phantom power resistant dia 22 mm length 180 mm dia 0 87 length 7 100 g 3 5 oz incl battery O20 45 32 to 1 13 F lt 90 R H non condensing EMC Directives Sees Se Seis Harmonized Standards EN 61326 12. a detailed description of the fault For contact details of the NTI representative please see our web page www nti audio com 100000 O O O N n ee OO mee One ee 6b mE o ed N Q rE S a T TO Q a oc z DA Ze J DO 5S o D2 oO VY Sa LL VU 2 Q o o r NO Q f my ap 19497 Frequency Hz MI E 2000 WE 05 07 MiniSPL Measurement Microphone 1 2 Capsule Omni directional Status LED Indicating On status Sleeve User Manual MiniSPL How to insert the battery e To insert the battery press the push pin in and slide the Sleeve off e Insert 1x 1 5V AA size battery according to drawing below The polarity is marked on the lable inside e Close the MiniSPL Turn the sleeve so that it is locked by the push pin Calibration label Push pin Note The MiniSPL does not operate without the battery Notes amp Warnings To avoid any problems during the operation of the instru ment follow the rules listed below e Use the instrument for the intended purpose only e Never use the instrument in a wet environment e Remove the batteries as soon as they are flat or if the instrument is not intended to be used for a longer period of time e The use of rechargeable NiCd or NiMH batteries is causing shorter battery lifetime than specified e Note the correct
3. Contact Details NTI AG Im alten Riet 102 9494 Schaan Liechtenstein Europe Tel 423 239 6060 Fax 423 239 6089 info nti audio com www nti audio com Content 1x Case MiniSPL 1x MiniSPL measurement microphone User Manual 1x Windscreen 1x Microphone holder Adapter 5 8 3 8 Warranty Terms NTI guarantees the MiniSPL and its components against defects in material or workmanship for a period of one year from the date of original purchase and agrees to repair or to replace at its discretion any defective unit at no cost for either parts or labor during this period This warranty does not cover damages caused through accidents misuse lack of care transit the attachment or installation of any components that were not provided with the product loss of parts connecting the instrument to a power Supply input signal voltage or connector type other than specified or wrongly polarized batteries In particular no responsibility is granted for special incidental or consequential damages This warranty becomes void if servicing or repairs of the product are performed by any party other than an authorized NTI repair center or if the instrument has been opened in a manner other than specified in this manual In case of malfunction take or ship prepaid the MiniSPL packed in the original box to the authorized NTI representative in your country Be sure to include a copy of your sales invoice as prove of purchase date and
4. polarity of the inserted battery e We recommend to calibrate the MiniSPL in yearly inter vals to fulfill the specified sensitivity MiniSPL with AL1 ML1 e Connect the MiniSPL to the AL1 ML1 e Approximately ten seconds later the Status LED will Start to flash periodically indicating that the MiniSPL has switched on e An empty battery will be indicated by the non flashing Status LED e Simply unplug the MiniSPL after completed operation Thus the Status LED will stop flashing indicating it is switched off MiniSPL as stand alone mic The MiniSPL may be operated as a stand alone microphone e g connected to a balanced audio line a microphone input or a sound card Note Follow the specified load condition to achieve the flat frequency response Phantom power causes a lower load condition so make sure to switch it off At inputs with high DC input resistance you may find the MiniSPL not switching on or the delay time until switching on may be too long In this case you have to build up an adapter according to the below circuit diagram Please note that both resistance R should be of equal values within 1 tolerance for good signal balancing At unbalanced inputs use pin 1 and 2 Pin 3 shall not be connected In this case the sensitivity will be halved 2 Life connect connect MiniSPL audio input Ground i R 10 kOhm 100 kOhm Return Technical Data MiniSPL Microphone Type Sensitivity Frequency
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