User Manual MiniSPL
Contents
1. 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 Note Be sure to include a copy of your sales invoice as prove of purchase date and a detailed description of the fault For contact details of the NTI representative please see our web page www nt instruments com Contact Details Headquarter NTI AG Im alten Riet 102 9494 Schaan Liechtenstein Europe Tel 423 239 6060 Fax 423 239 6089 E mail info nt i2. ins 1 and 3 of the adapter need to be shorted 2 Life connect connect M iniSPL audio input i Ground p R 10 kOhm 100 kOhm Return Technical Data MiniSPL M icrophone Type Sensitivity Frequency Response Peak Acoustic Input Noise Output Impedance Power Supply Dimensions Weight Temperature Humidity Conforms to the Normative Standards 1 2 omni directional pre polarized condenser free field transducer 20 2 mV Pa 34 1 dBV Pa 1 kHz 20 C 0 05 dB C SPL balanced out acc to IEC60651 Type 2 tolerance curve is shown on individual calibration certificate 130 dB 1 kHz 32 dB A weighted 200 Ohm XLR balanced 1x AA battery 1 5 V battery lifetime typical 300 hrs no phantom power supply phantom power resistant Q 22 x 180 mm Q 0 87 x7 100 g 3 5 oz incl battery 0 to 45 C 32 to 113 F lt 90 R H non condensing EM C Directives 89 336 92 31 93 68 Harmonized Standards EN 61326 1
3. nstruments com Home www nt instruments com Subsidiary NTI North America 3520 Griffith Street St Laurent Quebec H4T 1A7 Canada Tel 1 514 344 5220 Toll free 1800 661 6388 Fax 1 514 344 522 E mail canada nt instruments com The MiniSPL package includes 1x Case M iniSPL 1x MiniSPL measuring microphone 1x Windscreen 1x Test Certificate with individual frequency response chart 1x Microphone holder 1x Adapter 5 8 3 8 1x User Manual M iniSPL NTI AG All rights reserved Subject to change without notice Release 1 1 October 2001 M inilyzer M iniSPL and M instruments are registered trademarks of NTI MP 2 01 E 100 N 09 01 Sleeve MiniSPL User Manual mo 1 2 Capsule Omni directional Status LED indicating On status How to insert the battery e To insert the battery press the push pin in and slide the sleeve off e Insert one 1 5 V AA size battery according to drawing below The polarity is marked on the sticker inside Push pin Calibration sticker Note The MiniSPL does not operate without the battery e Close the M iniSPL Turn the sleeve so that it is locked by the push pin Notes amp Warnings To avoid any problems during the operation of the instrument follow the rules listed below Use the instrument for the intended purpose only Never connect the instrument to a high voltage output such as a power amplifier mains power plug etc D
4. o not disassemble the instrument Never use the instrument in a wet environment 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 The use of rechargeable NiCd or NiMH batteries is causing shorter battery lifetime than specified Note the correct polarity of the inserted battery e We recommend to calibrate the M iniSPL in yearly intervals to fulfill the specified sensitivity MiniSPL with Minilyzer ML1 e Connect the M iniSPLto the M inilyzer M L1 e Approximately ten seconds later the Status LED will start to flash periodically indicating that the M iniSPL has switched on e An empty battery will be indicated by the non flashing Status LED e Simply unplug the M iniSPL after completed operation Thus the Status LED will stop flashing indicating it is switched off MiniSPL as stand alone mic The M iniSPL may be operated as a stand alone microphone e g connected to a balanced audio line a microphone input or a sound card In case phantom power is applied the M iniSPL will switch on immediately At inputs with high DC input resistance you may find the M iniSPL 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 perfect signal balancing At unbalanced inputs the p
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