محصولات صوتی بلندگو

Product Attributes

Features

• Test components in a free field or a test room with a minimum floor area of 2m×2m and height of 2m.
• Distance between speaker and SPL meter: 10cm.
• Trigger signal: square wave at 10Vₚ₋ₚ, 50% duty cycle.
• Trigger signal sourced from function generator FG100, trigger voltage adjusted to constant 10Vₚ₋ₚ (under load).
• Frequency response curve (sine wave, 0.15W, 10cm test).
• Endurance test: square wave for 240 hours, asymmetric 50% duty cycle, Un = 8.9Vₚ₋ₚ, f = 2048Hz, temperature cycling -40...+85°C, cycle duration 4 hours; 10-second on/off.
• High-temperature endurance: per IEC 60068 Part 2-2, +85°C, 1000 hours.
• Low-temperature endurance: per IEC 60068 Part 2-1, -40°C, 500 hours.
• Humidity endurance: per IEC 60068 Part 2-3, 40°C, 93%RH, 56 days.
• Thermal shock endurance: per IEC 60068 Part 2-14, low temperature -40°C, high temperature +85°C, 30 minutes each, transfer time from low to high temperature <10 seconds, 100 cycles.
• Shock test: per IEC 60068 Part 2-27, 3 sine wave shocks of 100g in each of 3 mutually perpendicular free directions.
• Vibration test: per IEC 60068 Part 2-6, sinusoidal excitation; 8...300Hz, 2g, 1 octave/minute; test duration 16 hours per axis.
• Additional requirements: solderability and solder heat resistance per VDON 4.3643.001, X-ray solder joint inspection per VDON 4.4814.001, no-clean process, cadmium prohibited per DIN 5.5000.1.
• Wave soldering.