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    • NTI MR-PRO Minirator Audio Signal Generator

      NTI MR-PRO Minirator Audio Signal Generator

      MR-PRO Analog Audio Generator provides a complete set of analog audio test signals for the most demanding audio professional. In addition to all MR2 features, MR-PRO adds load impedance and phantom voltage measurements, user wave files, higher performance and cable test capability. Hand-held, using battery or external DC power supply, the generator offers a complete range of capabilities for a professional.

       

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      Item #: MR-PRO

      Availability: In Stock

      Our Price: $519.00

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    • NTi Audio 600 000 400 Exel Acoustic Set with M4260 Measurement Microphone Class 2

      NTi Audio 600 000 400 Exel Acoustic Set with M4260 Measurement Microphone Class 2

      The Exel Acoustic Set contains all instruments and accessories for precise acoustic measurements and analog audio testing. The set is available with the M4260 measurement microphone (Class 2). The System Case protects the complete set during transport.

       

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      Item #: NTI-600-000-400

      Availability: Direct Ship From Manufacturer

      Our Price: $2,349.00

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    • NTI XL2 Analyzer with M4260 Microphone

      NTI XL2 Analyzer with M4260 Microphone

      The XL2 Analyzer forms the unique combination of a state-of-the-art Sound Level Meter, a comprehensive Acoustic Analyzer as well as a powerful Audio Analyzer.

      The plug-on measurement microphones M4260 or M2210 form together with the XL2 a comprehensive sound level meter and acoustic analyzer. The microphones are 48 VDC phantom powered and include the pre-amplifier and an electronic data sheet. The M4260 or M2210 combine a high dynamic range and wide frequency range with low noise.

      • Sound Level Mete




       

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      Item #: NTI-XL2-M4260

      Availability: In Stock

      Our Price: $1,649.00

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    • Whirlwind QBOX Audio Line Tester

      Whirlwind QBOX Audio Line Tester

      The indispensable Qbox is the all-in-one audio line tester ideal for applications such as live sound, maintenance, installation work - anywhere audio runs down a cable. The Qbox includes a microphone, a speaker, a test tone generator, outputs for standard headphones, a 1/4" jack for line-in or a 2k Ohm (telephone) earpiece out. A handy clip attaches the Qbox to your belt or equipment rack.

      Simply generate into or listen to audio at any point in your system from the mics to the power amps to quick

         

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        Item #: WH-QBOX

        Availability: In Stock

        Our Price: $172.45

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      • NTI Audio XL2 Audio and Acoustic Analyzer

        NTI Audio XL2 Audio and Acoustic Analyzer

        The XL2 analyzer forms the unique combination of a state-of-the-art Sound Level Meter, a comprehensive Acoustic Analyzer as well as a powerful Audio Analyzer.

        • Flexible user interface
        • Wav-file recording
        • Voice notes
        • Visual limit indication of exceeding sound levels
        • Mini-SD card, 2 GB removable
        • Built-in real time clock
        • Built-in speaker
        • Rechargeable Li-Po battery included
        • Serial programmable I/O Interface
        • TOSLink output (optional)
        • Automated sensor detection reads electro

         

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        Item #: NTI-XL2

        Availability: In Stock

        Our Price: $1,279.00

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      • NTI ML1 Minilyzer Analog Audio Analyzer

        NTI ML1 Minilyzer Analog Audio Analyzer

        State-of the-art DSP technology allows NTI to provide customers with a pocket-size Audio Analyzer giving a comprehensive set of measurement functions, combined with excellent specifications at a very competitive price.
        As a commitment to our customers, our investment in expertise has enabled us to provide a design not just of decent but excellent and superior specifications in all aspects such as a level accuracy of <0.1 dB, residual THD+N of < -85 dB (0.005 %), fast measurement speed with more t

           

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          Item #: NEU-ML1

          Availability: Usually ships in 3-10 business days

          Our Price: $669.00

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        • NTI XL2 Analyzer and M2211 Microphone

          NTI XL2 Analyzer and M2211 Microphone

          The XL2 Analyzer forms the unique combination of a state-of-the-art Sound Level Meter, a comprehensive Acoustic Analyzer as well as a powerful Audio Analyzer. A range of measurement microphones with an electronic data sheet are available to suit your requirements.

          Besides being an advanced, integrating Sound Level Meter, the XL2 measures RTA and FFT high-resolution spectra, RT60 Reverberation Time, Polarity, Delay and THD+N. Optional features are speech intelligibility STIPA, extended acoustics


           

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          Item #: NTI-XL2-M2211

          Availability: Usually ships in 3-10 business days

          Our Price: $2,299.00

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        • Whirlwind AES Qbox AES/EBU Audio Line Tester- 48/96/192 kHz

          Whirlwind AES Qbox AES/EBU Audio Line Tester- 48/96/192 kHz

          The AESQbox is designed to provide a portable means of testing various aspects of AES-3 and S/PDIF digital audio systems. It generates AES-3 or S/PDIF output signals over a sample frequency range from 32kHz to 192kHz. Audio sources available for the signal generator/transmitter function include a built-in microphone, a pair of tone generators (one for the left channel, the other for the right), or an external line-level stereo audio source, such as a portable MP3 player, CD player, or computer s






           

          2 Types Available

          Item #: WH-AESQBOX

          Availability: Usually ships in 3-10 business days

          Our Price: $489.75

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        • NTI MR2 Minirator Audio Generator

          NTI MR2 Minirator Audio Generator

          MR2 Analog Audio Generator provides a full set of analog audio test signals for set-up, maintenance and monitoring of professional audio equipment. Hand-held, using battery or external DC power supply, the generator is ergonomically packaged and has an intuitive user interface.

          • Low distortion sine wave (10 Hz - 20 kHz)
          • Selectable output levels (0.08mV - 2.0V RMS) in dBu, dBV or V units
          • Sine wave stepped sweep down to 1/12 octave steps with programmable step speed
          • White noise
          • Pink noise
          • Polarity test s

           

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          Item #: MR2

          Availability: Usually ships in 3-10 business days

          Our Price: $329.00

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        • RDL PT-AMG2 Portable Audio Signal Generator & Monitor

          RDL PT-AMG2 Portable Audio Signal Generator & Monitor

          This portable audio instrument is comprised of a precision audio oscillator, precision level meter and speaker.

          The 700 Hz oscillator section features two outputs. The balanced XLR output is front-panel switch selectable for MIC or LINE level (pro level). The unbalanced output operates at -10 dBV (consumer). Output stability is suited to accurate bench top audio testing.

          The audio metering circuit features two inputs, an LED meter and a monitor speaker. The balanced input is front-panel switch sel

             

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            Item #: PT-AMG2

            Availability: In Stock

            Our Price: $295.95

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          • NTI Audio STI-PA Speech Intelligibility Option for XL2

            NTI Audio STI-PA Speech Intelligibility Option for XL2

            Public address systems in buildings like airports, railway stations, shopping centers or concert halls have to clearly inform persons in danger about escape information and directions in case of an emergency,. The NTi Audio STI-PA analyzers measure the speech intelligibility of emergency systems in accordance with the standard 2003 IEC 60268-16.

            The STI-PA function measures the speech intelligibility of public announcement systems according the latest revision of IEC 60268-16:2003 standard. The X



             

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            Item #: NTI-STI-PA

            Availability: In Stock

            Our Price: $849.00

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          • NTI 600 000 411 Exel Acoustics Set with M2211 Measurement Microphone - Class 1

            NTI 600 000 411 Exel Acoustics Set with M2211 Measurement Microphone - Class 1

            The Exel Acoustic Set contains all instruments and accessories for precise acoustic measurements and analog audio testing. The set is available with the M2211 - Enhanced Performance measurement microphone with Class 1 frequency response according IEC 61672. The System Case protects the complete set during transport.

             

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            Item #: NTI-600-000-411

            Availability: Direct Ship From Manufacturer

            Our Price: $3,099.95

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          • Channel Talker CTD16-C 16 AES Channel Audio Tone Generator with Voice Over ID Full Feature

            Channel Talker CTD16-C 16 AES Channel Audio Tone Generator with Voice Over ID Full Feature

            The CTD-16 makes it possible for one person to setup or verify all the AES/EBU digital audio channels in his facility - easily, quickly, and accurately. The unit produces a hands-free audible sequential voice ID for each channel, eliminating the need for external generators or extra personnel to switch between sources. In addition to the voice ID's, the CTD-16 includes AUX channel tones allowing both narrow and wide band frequency response testing, and for spectrum analyzers, a pink noise genera




































               

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              Item #: VI-CTD16-C

              Availability: Usually ships in 3-10 business days

              Our Price: $1,868.22

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            • NTI DR2 Digirator Digital Audio Signal Generator

              NTI DR2 Digirator Digital Audio Signal Generator

              The Digirator DR2 is a reference grade digital audio signal generator with transformer balanced AES3, S/PDIF, TOS-Link and ADAT outputs.

              Beside a comprehensive set of audio test signals, the DR2 also supports surround sound test sequences for verification and adjustment of professional Dolby Digital, Dolby E and DTS installations. The internal low jitter clock generator can be synchronized to AES3, DARS, Word Clock and Video signals. Measurement of channel transparency, channel propagation delay

               

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              Item #: NTI-DR2

              Availability: Usually ships in 3-10 business days

              Our Price: $1,749.00

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            • Ward-Beck XTM4 Extended Range Meter

              Ward-Beck XTM4 Extended Range Meter

              The XTM4 is a versatile test meter for the measurement of analog, AES-3 and SDI embedded audio signals over a wide range. Occupying two rack units of space, the unit is equipped with a high quality stereo VU and PPM moving needle meter pair. All meters are LED illuminated. Front panel controls and a bright dot matrix display allow the user to select between the various signal sources, the mode of operation and the sensitivity of the meter. The XTM4 may be field programmed to display customer

                 

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                Item #: WARD-XTM4

                Availability: Usually ships in 3-10 business days

                Our Price: $2,594.00

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              • NTI DL1 Digilyzer Digital Audio Analyzer

                NTI DL1 Digilyzer Digital Audio Analyzer

                The Digilyzer DL1 is a powerful but easy to use digital audio analyzer. Testing, monitoring and troubleshooting digital audio interfaces is fast and straight forward using this compact tool. Virtually all digital audio formats including ADAT and sampling frequencies up to 96 kHz are supported.

                With features like the DL1 unique integrity check, the integrated speaker, event & data logging, audio lens and many more digital audio becomes transparent and easy to debug.

                • Channel Status
                • The complete chan







                 

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                Item #: NEU-DIGILYZER

                Availability: Usually ships in 3-10 business days

                Our Price: $1,549.00

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              • NTi Audio 600 000 272 Digital Audio Set

                NTi Audio 600 000 272 Digital Audio Set

                NTi Audio Minstruments Digital Audio Set includes Digilyzer DL1, Digirator DR2 and accessories.

                • Digilyzer DL1 Functions
                • Digital Audio Analyzer
                • Testing, monitoring and troubleshooting of digital audio interfaces is fast and straight forward using the compact DL1.
                • Event Logger
                • Intermittent faults are usually hard to find. The event logger tracks every change of the input signal (carrier, channel status or audio related) and allows long term checking and highlighting of possible problems.
                • Audio Monitorin



                 

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                Item #: NTI-600-000-272

                Availability: Direct Ship From Manufacturer

                Our Price: $3,699.00

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              • NTI Audio Analyzer Mini SPL Measurement Mic

                NTI Audio Analyzer Mini SPL Measurement Mic

                The MiniSPL is the perfect accessory to the NTI Acoustilyzer & Minilyzer for acoustical measurements!

                The MiniSPL is a battery powered measurement microphone. Together with the Acoustilyzer or Minilyzer, it forms an acoustical analyzer and integrating sound level meter. Additionally it may be operated as a stand-alone microphone e.g. connected to a balanced audio-line, a microphone-input or a sound-card.

                • Battery powered
                  Factory-set sensitivity
                  No phantom power required
                  1/2" microphone, class 2 acc. I


                 

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                Item #: MINI-SPL

                Availability: Usually ships in 3-10 business days

                Our Price: $359.00

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              • NTI AL1 Acoustilyzer Audio Analyzer

                NTI AL1 Acoustilyzer Audio Analyzer

                The Acoustilyzer is a handheld sound level meter and acoustic analyzer for measuring and monitoring of sound pressure level at concerts, room acoustics and speech intelligibility STI-PA. The practical blend of electrical and acoustical functions, combined with computer connectivity, positions AL1 to be an indispensable tool for every sound/system contractor, installer and multi-media specialist. The sound level meter meets the standards DIN 15905-5 and SLV 2007. The AL1 requires a measurement mi












                   

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                  Item #: NEU-AL1

                  Availability: Usually ships in 3-10 business days

                  Our Price: $999.00

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                • Kaltman Creations RF Field Spectrum Analyzer HF4040 (100MHz - 4GHz)

                  Kaltman Creations RF Field Spectrum Analyzer HF4040 (100MHz - 4GHz)

                  We all rely on Blind Faith, Educated Guesses & Intuition when setting-up, installing or Spec'ing wireless systems. What if you could completely eliminate the unknown and unseen factors?

                  Introducing the Spectran HF4040, the world's first low-cost, handheld field spectrum analyzer which eliminates all of the guess work. The Spectran HF4040 is a true 10MHz to 4GHZ spectrum analyzer allowing you to view all RF activity and potential interference in the wireless bands. No more Channel Selection Guessi


                     

                    2 Versions Available

                    Item #: HF4040

                    Availability: Direct Ship From Manufacturer

                    Our Price: $1,423.45

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                  • Greenlee 701K-G Professional Tone & Probe Tracing Kit

                    Greenlee 701K-G Professional Tone & Probe Tracing Kit

                    • Tone Probe
                    • Adjustable volume control
                    • Replaceable tip
                    • LED Signal Indicator
                    • Test Telephone Port
                    • Headset Jack
                    • LED Flashlight
                      Tone Generator
                    • Continuity & Polarity LED
                    • External warble select
                    • RJ11 & RJ45 Socket
                    • Short Circuit LED/Beeper
                    • Dual line modular LED
                    • Alligator Connector Clips
                    • Probe
                    • Gain (nominal): 30 db
                    • Input Impedance (nominal): 100 M Ohms
                    • Metal tip resistance: 0 Ohms
                    • Plastic tip resistance: 300 Ohms
                    • Headset: 3.5 mm stereo plug: 8ohms mimimum
                    • Battery: 9 VDC (NEDA 1604, JIS 006P, or IEC 6LR61)
                    • Battery Life (Nominal

                     

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                    Item #: GRL-701K-G

                    Availability: Usually ships in 3-10 business days

                    Our Price: $115.10

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                  • NTI MR-PRO 70V/100V Protective Adapter

                    NTI MR-PRO 70V/100V Protective Adapter

                    Protects Minirator MR-PRO against accidentally applied voltages during impedance or power testing at distributed 70V/100V speaker systems.

                    The adapter includes bidirectional crowbar limiters and two fuses. The fuses will be blown if high voltage sare accidentally applied, thus protecting the Minirator MR-PRO output against damages.

                    The MR-PRO 70V/100V Protective Adapter does not prevent users from coming into touch with high voltages. In some failure cases, e.g. one fuse blown, parts of the MR-PRO

                     

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                    Item #: MR-PRO-PA

                    Availability: In Stock

                    Our Price: $144.00

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                  • Goldline Impedence Meter Plus Protection Relay

                    Goldline Impedence Meter Plus Protection Relay

                    The ZM1P measures the impedance of loudspeakers and entire distributed loudspeaker systems as well as individual components. It will also calculate the wattage that will be produced on an installed loudspeaker system. The ZM1P also has an Overload Protection Circuit that prevents the meter from being damaged from amplifier overloads up to 120 VAC and a Tone Generator to improve system testing and performance.

                     

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                    Item #: ZM-1P

                    Availability: Direct Ship From Manufacturer

                    Our Price: $572.49

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                  • NTI XL2 Extended Acoustic Pack

                    NTI XL2 Extended Acoustic Pack

                    The Extended Acoustic Pack offers additional features for sound level- and acoustic measurements:

                    • Percentiles: 1%, 5%, 10%, 50%, 90%, 95%, 99%
                      Time Weighting: Impulse
                      Sound Pressure Levels LIeq, Sound Exposure Level LAE
                      Clock-Impulse Maximum Level (TaktMax) and values as specified in DIN 45645-1
                      Recording of WAV-files (24 bit, 48 kHz)
                      High-resolution Zoom-FFT up to 0.4 Hz steps in the frequency range 5 Hz - 20 kHz
                      Reverberation time RT60 in 1/3 octave resolution

                     

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                    Item #: NTI-XL2-EAP

                    Availability: Usually ships in 3-10 business days

                    Our Price: $669.00

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                  • TOA ZM-104A Impedance Meter

                    TOA ZM-104A Impedance Meter

                    The TOA Impedance Meter, ZM-104, has been designed to measure impedances in the speaker lines in sound systems. It is fully portable and is operated from internal batteries. This handy meter provides accurate direct readings in the manner of a circuit meter, simply by disconnecting the speaker line from the amplifier and connecting it to the measuring leads.

                    The range selector switch allows selection of three ranges, from five to one hundred thousand Ohm. Each time the range selector switch is tr

                       

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                      Item #: ZM-104

                      Availability: Direct Ship From Manufacturer

                      Our Price: $412.65

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                      Audio Test Equipment

                      How do you know that cable is bad unless you have a cable tester? How do you know how to treat a room unless you have a frequency analyzer? And how do you know how loud the PA is unless you have a Sound Pressure level Meter to measure the decibles? Audio Test Equipment runs the gamet and we at Markertek have just what you need. From Pink noise generators to multi-format connector and cable testers we carry Audio Test Equipmentfor just about any application. So, whether you're on the road or in the field doing an install, check here first for that piece of Audio Test Equipment that's missing from your toolbox.