Speaker Impedance
measure of resistance a speaker puts on an amplifier.
See Also: Speaker, Microspeaker, Loudspeaker, SPL
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Product
Speaker Component Checker
Cab Driver
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Whirlwind Music Distributors, Inc.
The CAB DRIVER is a test device for checking the operation of the speaker components within enclosures. A pink noise signal source is sent through pushbutton selectors to an assortment of speaker connectors, including Speakon NL8 and NL4, 1/4" TS and banana jacks. Speaker/ Polarity/ Impedance/ Pink Noise Generator
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Product
Speakers
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Selection of ceiling mount, surface mount, and pendant speakers designed to meet a wide variety of needs.
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Product
Impedance Analyzers
MTZ-35.
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An impedance analyzer with the features and specifications necessary for working on a the broad range of applications in the field of materials research.
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Product
Impedance Matching Pads
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These impedance matching pads are resistive networks that can be used to match 2 devices with different nominal impedances. The resistive network used in these impedance matching pads has a 5.7db theoritical insertion loss; true loss is 5.7db plus the normal other losses. common use is to connect 50 ohm sma's to 75 ohm f's. There are also 75 ohm versons of N's, BNC's, & SMA's.
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Product
Impedance Analysis
S96041B
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Make impedance analysis measurements of Surface Mount Device (SMD) components on the E5080B vector network analyzer with 16198A-010 10 GHz SMD test fixture.
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Product
Impedance Measurement
CITS880s
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Finer geometries and thinner copper can present a challenge for fabricators measuring impedance on leading edge PCBs. The CITS880s answers that challenge with the introduction of Launch Point Extrapolation (LPE). LPE extrapolates the TDR response back to a point close to the start of the transmission line effectively allowing to users more accurately to measure the instantaneous or incident impedance of the line.
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Product
Controlled Impedance Analyzers
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HYPERLABS Controlled Impedance Analyzers can be used with various probes and adapters to quickly and reliably characterize impedance on PCB test coupons. These Test Systems are designed to comply with IPC-2141A standards for PCB coupon testing, and can be customized to meet specific customer needs.
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Product
FC Impedance Meters
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designed for testing of the fuel cell with the small current (5 A or less), and not only the current-voltage characteristic test, the KFM2005 can easily measure for the impedance of a fuel cell using the AC impedance method, and the Cole-Cole plot. Using the measurement data of the Cole-cole plot, it is possible to calculate the circuit constant of the approximate equivalent circuit of the fuel cell. The built-in DC load (60W) is capable to operate from 0 V, and it can perform the test for the fuel cell up to 20V and 5A.
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Product
Impedance Analyzer 1MHz-20Hz
IA1000
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Frequency range20 ~ 1MHzFrequency accuracy0.005%Frequency resolution0.001% in all frequency rangeTest signal level0.05 ~ 2.0 VrmsTest signal resolution0.001 VrmsTest signal output impedance100ΩImpedance Z range; basic accuracy0.0000Ω ~ 99.99
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Product
Impedance Analyzer, 1MHz to 500 MHz/1 GHz/3 GHz
E4991B
Impedance Analyzer
The E4991B Impedance Analyzer has a frequency range of 1 MHz to 3 GHz. The E4991B provides 0.65% basic accuracy over a wide impedance range with a 40 V built-in DC bias source (Option 001). The equivalent circuit analysis function supports seven different multi-parameter models and helps you to simulate your own equivalent parameter values of components.
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Product
Battery Impedance Tester
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Weshine Electric Manufacturing Co., Ltd
The DC test method is adopted to simulate the actual use of the battery in a real and objective way, which can effectively eliminate the hidden dangers such as deficiency, deficiency and connection failure between batteries while measuring the internal resistance of the battery.
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Product
High Impedance Preamplifier
1671
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The Model 1671 is a single ended low noise field effect transistor
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Product
High Impedance Active Probes
35
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The Picoprobe Model 35 has been engineered to meet the stringent demands of advanced high frequency circuit designers.
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Product
Battery Impedance Meter
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Operation is fast and simple. Just press the spring-loaded probes onto the two poles of the battery. After 1.5 seconds, the unit beeps (indicating good contact) and displays the battery voltage and either the number of siemens or milliohms, depending on the knob setting. The display continues to show these numbers after the probes are removed; it resets only when the probes are pressed onto the next battery. The impedance and voltage of any battery between 1.2 and 60 volts can be read. Because of the wide range of voltages, even single low-voltage cells, such as NiMH, can be measured. The manufacturers of some batteries specify impedance in milliohms while other specify in siemens (one divided by the resistance in ohms). This meter will display both types of impedance for any given battery. Accuracy is +/- 2% of the value.
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Product
Antenna Impedance Converter
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The low noise impedance matching equipment has a high impedance input with minimized capacity. With the 50 Ω output it can be used with common EMI receivers or spectrum analyzers to measure the emissions received by an antenna on a vehicle.
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Product
High Impedance Differential Clock Divider
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Alliance Support Partners, Inc.
he ASP-DCD-00 board is a high impedance input clock divider circuit. It is designed to provide minimum load to a clock source for frequency measurement. It accept single ended (Unbalanced) or differential (Balanced) signals with amplitudes as little as 100mV rms; it divides the input signal frequency from 2 to 256 times depending on shunt jumper selections on J3. The board requires 5VDC 500mA power source to operate. The output is capable of driving 5V TTL logic levels.
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Product
Controlled impedance test system
CITS900s4
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CITS900s4 is the seventh generation of Impedance test system from polar, and typically the most popular model for customers who are new to impedance control. CITS900s4 provides both differential and single ended measurement capability along with 4 channels to provide flexible probe connection.
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Speaker Test
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Determines speaker polarity by analyzing a proprietary signal. See our new demo video of this module. Measures woofers, midrange, and tweeter drivers.
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Stationman Speaker Probe
250 SSP
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This probe is designed for those technicians that want the best tool available. The Model 250SSP is supplied with a cone-shaped tip and a duckbill tip that is longer and flatter, permitting insertion into larger cables, or cables under tension where slack cannot be obtained. Another feature is the built in speaker for audio without the need for a butt set or headset. The speaker is operated by a slide switch that has a "lock" position for continuous monitoring.
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Product
High Impedance Active Probes
7A
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An unterminated version, can be used for capacitance and resistance measurements or in low to medium speed signal applications where a 50 ohm termination is not required. A flexible coaxial cable length of 6 feet in length is standard on the Model 7A; however, when used for capacitance measurements, GGB Industries, Inc., recommends using a shorter 3 foot cable. If a shorter length of cable is desired for capacitance measurements, please specify it when ordering (Model 7A-3ft.). Please note that Model 7A uses Model 7 replacement tips.
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Impedance Matching Pads
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Surface mount and coaxial 50 Ohm / 75 Ohm impedance matching pads for CATV systems, broadband networks, test setups and more!
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Product
Audio Impedance Testers
1106 IM
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Standard Electric Works Co., Ltd
Large LCD : 68 × 34mm (2.677" × 1.338"). True measurement of speaker systems actural impedance at 1kHz. Three test ranges allow testing of home theater and commercial sound systems. Measures transformer impedances. Battery operation. Low battery indication. Data hold function. 0Ω adjustment.
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Product
Audio Impedance Testers
1107 IM
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Standard Electric Works Co., Ltd
● Large LCD : 68 × 34mm(2.677" × 1.338").● True measurement of speaker systems actural impedance at 1kHz.● Three test ranges allow testing of home theater and commercial sound systems.● Measures transformer impedances.● Battery operation.● Low battery indication.● Data hold function.● 0Ω adjustment.
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Product
Short Circuit Loop Impedance Meter
AMZC-306
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Voltage measurement up to 750V and up to 250V with resolution 0,1V ; Measurements using Uni-Schuko adapter or test wires 1,2; 5; 10 and 20m ; Loop impedance measurement with resolution 0,01Ω and much more
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High Impedance Transformers
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Osborne high impedance transformers are used to step-up, step-down and isolate voltages in single phase and three phase circuits. A properly designed high impedance transformer can be used an an equivalent to an isolation transformer connected in series with an inductor. The high impedance characteristic may be employed as a current limiting feature in both the primary and secondary circuity.
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Product
Overhead Line & Cable Impedance Test Sets
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T&R Test Equipment Overhead Line & Cable Impedance Test Sets
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Product
Nodal Impedance Analyser
QT-Hi1
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Qmax Test Technologies Pvt. Ltd.
QT-Hi1 is an innovative Nodal Impedance Analyzer, which uses the industry’s proven V-I trace techniques of learn and compare of nodal impedances which are represented as VI Curves. It uses innovative Auto Best Curve fit technique an intelligent software alogorithm which enables automatic selection of the best fit value of Voltage, Source Impedance and Frequency of the stimulus waveform. The compact size with re-chargeable battery makes it an ideal companion for on-field applications. The wide 8” touch screen graphical display makes this tool more valuable in test and repair industry at all times.
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Product
System for Determination of Materials Impedance in Impedance Tubes
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System for determination of materials impedance in impedance tubes is used for evaluation of material’s acoustic properties.
