0:17
Faulty preamplifier fed signal from audio line tester with distorted voice and radio chatter.
0:13
Faulty preamplifier fed signal from audio line tester powering on with a pop and click 2.
0:09
Faulty preamplifier fed signal from audio line tester powering on with a pop and click 1.
0:18
Faulty preamplifier fed signal from audio line tester at medium gain with electric hum.
0:18
Faulty preamplifier fed signal from audio line tester at low gain with phantom power and electrical hum.
0:15
Faulty preamplifier fed signal from audio line tester at low gain with electrical hum.
0:20
Faulty preamplifier fed signal from audio line tester at high gain with electrical hum.
0:10
Faulty preamplifier fed signal from audio line tester with gain adjustment, and electrical hum.
0:18
Faulty preamplifier fed signal from audio line tester with clicks and pops and electrical hum.
0:03
Faulty preamplifier fed signal from audio line tester with clicks and pops and electrical interference.
1:00
LFE test tone oscillator, 60hz, 60 seconds, 12db