Panasonic VP7721A Audio Analyzer

The Panasonic VP7721A is a high-precision audio analyzer designed for accurate testing and measurement of audio signals in professional and laboratory environments. Equipped with advanced analysis capabilities, it supports a wide range of applications, including audio equipment testing, broadcast system calibration, and R&D development.

Key Features:

• Wide Frequency Range: Covers 10 Hz to 110 kHz, allowing for precise low- and high-frequency measurements.
• Dual-Channel Operation: Enables simultaneous analysis of two audio signals for comparison and multi-channel testing.
• High Accuracy & Low Distortion: Ensures reliable measurements with minimal signal interference.
• Multiple Measurement Functions: Supports THD (Total Harmonic Distortion), frequency response, signal-to-noise ratio (SNR), and level measurement.
• Programmable Test Sequences: Automates testing procedures for efficiency and repeatability.
• User-Friendly Interface: Features a clear LCD display with intuitive navigation for easy operation.
• Versatile Connectivity: Equipped with analog and digital I/O, allowing integration with various audio systems and components.
• Compact & Durable Design: Built for laboratory, production, and field testing applications.

Applications:

• Audio Equipment Testing: Ideal for measuring the performance of amplifiers, speakers, microphones, and other audio devices.
• Broadcast & Studio Calibration: Ensures accurate signal levels and minimal distortion in professional audio environments.
• Research & Development: Supports audio engineers and manufacturers in designing and improving sound quality.
• Quality Control & Production Testing: Verifies audio performance in mass production environments.

The Panasonic VP7721A combines precision, versatility, and ease of use, making it an essential tool for audio engineers, manufacturers, and technicians who require accurate and reliable audio signal analysis.

Specifications

General Specifications

• Model: Panasonic VP7721A
• Type: Audio Analyzer
• Measurement Channels: Dual-channel (stereo)
• Frequency Range: 10 Hz to 110 kHz
• Frequency Accuracy: ±0.05%

Signal Analysis & Measurement

• Total Harmonic Distortion (THD) Measurement:
  • Range: 0.0003% to 100%
  • Measurement Bandwidth: 10 Hz to 110 kHz
• Signal-to-Noise Ratio (SNR): Up to 120 dB
• Level Measurement:
  • Voltage Range: 10 µV to 300 V
  • Accuracy: ±0.05 dB
• Frequency Response Measurement: Wideband analysis with high accuracy
• Intermodulation Distortion (IMD) Measurement: SMPTE/DIN/CCIF methods supported
• Wow & Flutter Measurement: For analog audio performance analysis

Input & Output

• Analog Input:
  • Impedance: 600Ω, 10kΩ selectable
  • Connectors: XLR and BNC
• Analog Output:
  • Level Range: -100 dBV to +30 dBV
  • Impedance: 600Ω
• Digital I/O (Optional): AES/EBU, SPDIF
• Harmonic Analyzer Output: Allows for external harmonic analysis

Display & Controls

• Screen Type: High-resolution LCD display
• User Interface: Intuitive menu system with programmable test sequences
• Markers & Cursors: For detailed frequency and level analysis
• Remote Control Interfaces: RS-232C, GPIB (IEEE-488) for automation and data logging

Physical & Power

• Dimensions: Approx. 430 mm (W) × 88 mm (H) × 350 mm (D)
• Weight: Approx. 6 kg (13.2 lbs)
• Power Supply:
  • Voltage: 100V–240V AC
  • Frequency: 50/60 Hz

Additional Features

• Programmable Test Sequences: Automate repetitive testing tasks
• Low-Distortion Signal Generator: Built-in precision signal generation
• Multiple Measurement Modes: Supports sweep, fixed, and statistical analysis
• Comprehensive Audio Testing Capabilities: Designed for R&D, production, and quality control applications

The Panasonic VP7721A is a powerful, versatile, and highly accurate audio analyzer, making it an essential tool for audio professionals, manufacturers, and researchers in need of precise signal measurements and analysis.