Audio Amplifiers
This topic is for test equipment that is designed for the testing of audio amplifiers.
See Also: Amplifiers, RF Amplifiers, Preamplifiers, Current Amplifiers, Voltage Amplifiers, Transconductance Amplifiers, Op Amps, Klystron, Instrumentation Amplifiers, Distribution Amplifiers
- Valhalla Scientific Inc.
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100-Amp Current Calibrator And AC/DC Transconductance Amplifier
2555A
World’s Leading Precision 100-Amp AC/DC Current Standard - For 30 years Valhalla Scientific’s design has proven rock-solid reliability in metrology labs worldwide. The 2555A is a calibration powerhouse with wide-ranging applications and unsurpassed quality.
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Signal Generator, Audio, Compact, Handheld, 1 Channel, 20kHz, FM, US Plug
72-490
Highly versatile compact audio generator is perfect for sound system and speaker component testing. Its high precision and remote VCO input make it suitable for the serious test environment, yet its compact size and low cost make it suitable for any tool box. This device is designed to be connected to the line level of any consumer or commercial designed audio amplifier. While it is designed to be used with unbalanced inputs, it is also suitable for balanced equipment
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DSP And Power Amplifier
DMPA12
The DMPA12 is a powerful digital audio processor and multi-channel power amplifier combined into a single rack space component designed to work with DM Series processors. The design represents a milestone in DSP technology in its basic architecture and in its processing speed and efficiency. The primary applications are sound reinforcement and teleconferencing in boardrooms, courtrooms, worship centers, distance learning systems, hotels and other applications with multiple microphones and loudspeakers. The design is ideally suited to mix-minus sound reinforcement systems.
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Headphone Amplifiers
A top-of-the-line headphone/earphone amplifier designed for precise professional audio monitoring.
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Distribution Amplifier
Also referred to as a splitter, the distribution amplifier sends one computer, video, or audio signal to multiple devices while maintaining signal integrity.
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Distribution Amplifiers
High-performance distribution amplifiers (DAs) for sending digital or analog computer, video, audio, and data signals to multiple devices.
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Analog Control Variable Gain Amplifiers (VGAs)
Analog Devices voltage controlled variable gain amplifiers provide continuous gain control over a wide dynamic range for a variety of audio and optical frequency bands. Our VGAs improve the dynamic range of a circuit by allowing users to adjust a signal’s amplitude in real time, which is invaluable for ultrasound, speech analysis, radar, wireless communications, and instrumentation-related applications.
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Professional Audio Test And Analysis Software
AudioExpress
Guangzhou Jumho Electric Co., Ltd.
AudioExpress contains a full range of audio solutions, including acoustic experiment, electro-acoustic analysis, environmental test, advanced signal processing, report generation, and data sharing. Electro-acoustic product test: amplifier, headset, cell phone, speaker, microphone, MP3
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A²B® Automotive Audio Bus Solution
ITD 1024
ITD 1024 is an off-the-shelf solution for A²B®, an emerging automotive audio bus. In combination with a comprehensive set of software tools, ITD 1024 allows rapid testing of various A²B® components such as audio speakers, amplifiers, microphone arrays, sensors, and actuators.
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PXIe Audio Analyzer
M9260A
M9260A is significantly different from the traditional general purpose PXI digitizer modules which are being used for today's audio measurement. In order to achieve fast test speed and high performance it comes with large one million sample arbitrary waveform buffer and one million sample "limitless" input buffer, as well as super-linear/low noise amplifiers and digital to analog converters. This enables M9260A's ultra-low residual distortion and high amplitude accuracy. M9260A is now an important part of Keysight Radio Test Solution, and may also be easily integrated into any audio related PXI test system with its developer-friendly drivers and commands.
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Automotive Products
Renesas has invested in key technologies to address the current mega trends within the automotive market such as environment, safety, information, and affordability. This effort has resulted in leadership positions in high-performance power conversions, state-of-the-art precision analog, cell balancing and battery charging ICs, power-efficient Class D audio amplifiers, and highly flexible TFT display controllers.
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Countermeasures Amplifier
CMA-100
CMA-100 Countermeasures Amplifier is a high gain audio amplifier used to detect and identify certain types of surveillance devices attached to building wiring such as telephone wiring, LAN and server systems, AC power, and alarm wire. The CMA-100 Countermeasures Amplifier functions employ a sophisticated automatic gain control circuit that is superior to most audio amplifiers.
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Audio Amplifiers
An electronic device that increases the strength (amplitude) of audio signals that pass through it.
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SparkFun I2S Audio Breakout
MAX98357A
The SparkFun I2S Audio Breakout board uses the MAX98357A digital to analog converter (DAC), which converts I2S (not be confused with I2C) audio to an analog signal to drive speakers. The I2S Audio Breakout converts the digital audio signals using the I2S standard to an analog signal and amplifies the signal using a class D amplifier which can deliver up to 3.2W of power into a 4Ω load. The board can be configured to output only the left channel audio, right channel, or both.
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SigmaDSP Audio Processors
SigmaDSP® processors are fully programmable, single chip audio DSPs that are easily configurable through the SigmaStudio™ graphical development tool, and are ideal for automotive and portable audio products. SigmaDSP chips are available with integrated sample rate converters, A/D converters, D/A converters, and output amplifiers.
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Microphone Pre-Amp Audio Interfaces
Analog Devices mic pre-amp audio interfaces provide a high fidelity, high performance solution for audio products. Specifications for this family include ultralow 1.5 dB noise figures, 140 dB gain range, and high gain capability. Operating in an extended industrial temperature range of –40°C to +85°C, this portfolio of mic pre-amp audio interfaces supports many applications, including precision instrumentation, active filters, low noise amplifier front ends, surveillance systems, computerized vo...show more -
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Amplifier Dyno
AD-1
The AD-1 Amplifier Dyno is a tool that is designed to be used any place an amplifier exists. It can be used in a lab or production line to test true amplifier power output, quickly and easily. It is simple menu driven, does not require a computer, and cannot be cheated as the load banks are internal. It can be used in an automotive audio install shop to test true amplifier output while the amplifier is installed in the customer's vehicle.
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Distortion Detector PLUS
DD-1+
The purpose of this tool is to enable the installer to set the gain of an audio amplifier to match the source unit's output level, accurately and quickly. It can also be useful for detecting distortion in the audio signal caused by poorly designed or malfunctioning audio equipment. Sets audio system gain overlap, continuously variable from 0.0dB - 15.0dB in 0.1dB steps Checks gain overlap of an audio system without making any adjustments to the existing settings Verifies that the gain overlap of an install hasn't been tampered with after install Features our Patent Pending Distortion Detection system plus digital microcontroller and our proprietary firmware
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USB Controlled Loudspeaker & Microphone Test Interface
AmpConnect™ ISC
AmpConnect ISC is an all-in-one audio interface that simplifies your test setup and operation. It is a single, rugged, rack-mountable piece of hardware containing a high-accuracy audio interface, impedance box, amplifier, headphone amplifier, 2 microphone power supplies and digital I/O. It replaces multiple hardware devices, connecting to your computer via a single USB cable, and it is fully controlled by SoundCheck. This simplifies setup and calibration, eliminates cabling and reduces connectivity errors, as well as reducing overall system cost.
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Matrix
HLX
The HLX™ System is easy to configure to your exact requirements. It distributes HDTV signals up to 1,000 feet away to convenient zone receivers mounted wherever televisions are to be located. For audio systems, the HLX offers DSP and volume control per output (more about HLX for audio). Optional audio zone cards feed multi-channel amplifiers to distribute music to zones. Its robust back plane design allows up to 12 sources to distribute component video up to 1080p, along with analog stereo audio...show more -
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MOSFETs For Amplifier
These are enhanced power MOSFETs with excellent frequency characteristics. They are ideal for audio amplifier output.
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HDMI Audio Extractor with Audio Amplifier, RS-232 and IP Control
EMX-I-AMP
The EMX-AMP is a 4K HDMI Audio Extractor with built-in 50 watt audio amplifier for direct connection of 8 ohm speakers. The device also provides line-level stereo Aux audio input and allows audio mixing of HDMI audio with the Aux input. Volume can be controlled from the front panel, RS-232, or external digital rotary pot (encoder) that can be mounted on a wall-plate.
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Audio Line Drivers and Receivers
Analog Devices audio line driver and receiver solutions feature differential-output buffer amplifiers and differential input buffer amplifiers to support a wide range of applications. By using low noise thermally matched thin film resistors and high slew rate amplifiers, these parts maintain the sonic quality of audio systems by eliminating power line hum, RF interference, voltage drops, and other externally generated noise commonly encountered with long audio cable runs. Applications involving this product portfolio include ADC drivers, high performance audio, sine/cosine encoders, and other professional and consumer uses.
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Power Amplifiers
Amplifiers with Extron patented CDRS™ – Class D Ripple Steering technology which supports high signal fidelity and clear audio.
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Spectrum Analyzer
SA-S
RF Frequency Range: 1 Hz to 4.2 GHz. Low noise amplifier available above 500 KHz. Wide dynamic range: -151 dBm to +10 dBm. Resolution bandwidths (RBW) of 0.1 Hz to 250 KHz and 5 MHz. Includes a High Dynamic Range Measuring Receiver. 0.25 dB relative accuracy. 0 dBm to -125 dBm, 150 KHz to 1 GHz. 0 dBm to -115 dBm, 1 GHz to 4.4 GHz. Adjustable digital audio filters. Accurate AM and FM measurements
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SparkFun Mono Audio Amp Breakout
TPA2005D1
This tiny audio amplifier is based on the Texas Instruments TPA2005D1. Its efficient class-D operation means low heat and long battery life. It can drive an 8-Ohm speaker at up to 1.4 Watts; it won't shake a stadium, but it will provide plenty of volume for your audio projects.
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The SoundCheck Amplifier
SCAmp Audio Test Amplifier
SC Amp is the world’s only dedicated audio test amplifier. Specifically designed for the audio test market, it incorporates several features unique to the needs of audio test and measurement, and unnecessary features found in regular audio amplifiers have been eliminated to keep production line operation simple and error-proof.
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Operational Amplifiers
Operational amplifiers from ams are ideally suited to audio applications. These CMOS devices are available as single, quad or differential amps. They feature good common-mode rejection, have low input bias currents, good gain bandwidth, low total harmonic distortion and an excellent rail-to-rail output-drive capability of 200mA peak.
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Class-D Audio Amplifiers
Analog Devices is a leader in Class-D audio amplifiers and audio signal processing, and we deliver audiophile-level performance with our proven analog and digital technology. We offer a wide range of audio amplifiers, including industry-leading microphone preamps, microphone drivers, line drivers, and receivers. Our Class-D amplifiers, in particular, are among the lowest power and lowest distortion in the industry. Our portfolio includes Class-A, Class-B, and Class-D audio amplifier offerings, a...show more -
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Digital Control VGAs
Analog Devices digital controlled variable gain amplifiers provide discrete levels of gain control over a fixed number of control bits for a variety of audio and optical frequency bands. Our VGAs improve the dynamic range of a circuit by allowing users to adjust the amplitude of a signal in real time, which is critical for a number of applications involving ultrasound, speech analysis, radar, wireless communications, and instrumentation. We also offer a portfolio of voltage controlled VGAs to provide you with continuous gain control over a wide dynamic range.
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Digital AC milli Volt meter
PGP Electronics Private Limited
PGP Electronics Digital AC Mill voltmeter is a very versatile and general purpose equipment for the measurement of audio frequencies. It is useful in measuring low amplitude signals over a wide band of frequencies with precision. Its has a wide band width and sensitivity is 10uV. This instrument is useful for all amplifiers/ audio system manufacturers, college laboratories to measure input/output of any amplifier as well as frequency response of that amplifiers. .
