Vintage Asylum Classic gear from yesteryear; vintage audio standing the test of time.

---

[ Follow Ups ] [ Post Followup ] Thread: [ Display  All  Email ] [ Vintage Asylum ]

---

[ Alert Moderator ]

---

RE: DC Voltage and leaving amp on.....24/7

Posted by walkstoslow (A) on February 21, 2022 at 12:00:50

In Reply to: RE: DC Voltage and leaving amp on.....24/7 posted by JonM on February 21, 2022 at 11:21:17:

Yes, I have the factory schematic, and can read it.

I did not touch the bias adjustments, I found the test points,
a couple of male pins,

I hooked up my VOM to check voltage, and could not get a reading,

I checked probe iput sensitivity, and made sure the range was correct.

Still no reading, so I decided to try another time...and talk to you folks
first,

Do I need to readjust the dc voltage with a speaker hooked up to the
output?

The readings bounced a bit,3-4 mv...

I recorded the highest value,

I am thinking that the speaker stabilizes the circuit and makes adjustment easier.

So bias adjustment will affect the dc adjustment and vice versa?

Thank you for your sharing of knowledge...and time...

Edits: 02/21/22

This post is made possible by the generous support of people like you and our sponsors:

Parts Connexion

---

[ Top of Page ] [ Contact Us ] [ Support/Wish List ] [ Copyright © 2025, Audio Asylum, all rights reserved ]

---

[ General ] [ Speakers ] [ Tubes ] [ Vinyl ] [ Digital ] [ Hi-Rez ] [ Video Asylum ] [ Cables ] [ Tweaks/DIY ] [ Music ] [ Films ]

---