Vintage Quad 33 Preamp & 303 Power Amp - Service & Bench Testing

Contribute to Novalux Stereophonic on Patreon   / novaluxstereophonic   Pedro's Channel:    / @deaudiofilosylocos   Products Featured in This Video https://amzn.to/4nMKjeK 00:00 Introduction 01:06 Initial Inspection of the 303 Amplifier 06:17 120/240 Input Voltage Verification on the 303 12:59 Initial Bench Testing of the 303 15:40 Diagnosing the Ailing Left Channel 21:38 Preventative Maintenance 30:56 Initial Inspection of the 33 Preamp 40:41 Final Adjustments on the 303 48:49 Bench Testing the 303 After Repairs & Adjustments 50:42 DC Balance Final Tweaks 53:21 Balance Issues in the 33 Volume Control 57:52 Conclusion