Vacuum Tube RIAA Phono Preamp Design
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19:18
Phono preamp kit build and test - Elliott Sound Products
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25:05
EAR834 Clone Phono Stage Pre-amps: Why the Layout Matters!
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14:56
Design Your Own Tube Preamp
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18:21
Audiophiles are Full of CRAP! A Cheap Audio Man Rant
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27:43
Is this the best Preamp kit EVER?
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22:52
Phase Linear 400 Power Amplifier Refurbished
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10:03
A 300V Switching Power Supply for Vacuum Tube Preamplifiers
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12:19