4-25-12 BK 1477 triangle waves-xy ckt- closing.avi
B&K1477 2-12-12 unit prt 2.avi
1477 hz triangle
1477 hz
14777 hz triangle
Oscilloscope triggering problem
18160 hz triangle
square 1477.Hz (1.477kHz)
1477 hz saw
19836 hz triangle
Grounding and bonding arrangements of Radio station
811 Hz Sine Tone Amplitude 1
MJL 240KHz
Speaker Sound Test 1336Hz
Sine 1477Hz Audio Only
Speaker Sound Test 697Hz
Speaker Sound Test 1478Hz
Speaker Sound Test 1633Hz
Speaker Sound Test 1366Hz
