KEYSIGHT U8903A AUDIO ANALYZER 10HZ-100KHZ

BRAND: KEYSIGHT | MODEL: U8903A BOTH CHANNELS TESTED OK FOR BASIC FUNCTIONALITY IN BALANCED AND UNBALANCED CONNECTORS. PASSES ALL SELF-TEST PROCEDURES. ALL FRONT PANEL BUTTONS AND CONTROLS WORKING OK. GOOD OVERALL PHYSICAL CONDITION. SOME TINY DISPLAY SCRATCHES. CABLES SHOWN IN PICTURES ARE NOT INCLUDED. KEY FEATURES & CAPABILITIES ALL-IN-ONE FUNCTIONALITY: COMBINES A DISTORTION METER, SINAD METER, FREQUENCY COUNTER, AC/DC VOLTMETER, AND FFT ANALYZER WITH A LOW-DISTORTION AUDIO SOURCE FREQUENCY RANGE: COVERS 10 HZ TO 100 KHZ PERFORMANCE: ±1% AMPLITUDE ACCURACY AND 5 PPM FREQUENCY ACCURACY FOR BOTH GENERATOR AND ANALYZER FUNCTIONS INTERFACE CAPABILITIES: 2-IN-1 SCREEN (DISPLAYS GENERATOR AND ANALYZER SIMULTANEOUSLY) WITH LXI CLASS C COMPLIANT USB 2.0, LAN, AND GPIB CONNECTIVITY LEGACY COMPATIBILITY: BUILT-IN CODE EMULATOR, BACKWARD-COMPATIBLE WITH CLASSIC HP 8903B PROGRAMMING CODES CURRENT PRODUCT STATUS STATUS: THIS MODEL IS OFFICIALLY OBSOLETE. SUPPORT: OFFICIAL CALIBRATION, TECHNICAL SUPPORT, AND REPAIR SERVICES REMAIN AVAILABLE THROUGH KEYSIGHT TECHNICAL SUPPORT. ELECTRICAL: 120/240 VAC, 1 PHASE | VOLTAGE: 120/240 VAC | PHASE: 1 PHASE