Announcement

Collapse
No announcement yet.

Transformer has no center taps?

Collapse
X
 
  • Filter
  • Time
  • Show
Clear All
new posts

  • g1
    replied
    Originally posted by Enzo View Post
    OK, how about apse, nave, and narthex?
    Just nave with a K.

    Leave a comment:


  • olddawg
    replied
    Originally posted by MikeH View Post
    Too bad thereís no 5v tap, would actually make a decent PT for a low wattage tweed style amp.
    Couple of diodes.. doubt if it would make a huge difference. If its out of a R to R itís probably a single ended amp.

    Leave a comment:


  • Enzo
    replied
    I know what an ogee is. Ooh ooh, and a finial.



    OK, how about apse, nave, and narthex?
    Last edited by Chuck H; 04-29-2020, 03:49 AM.

    Leave a comment:


  • Chuck H
    replied
    Originally posted by Enzo View Post
    "tinnerman nuts"
    Show off.

    But really, that's cool. I use to work with a carpenter that knew the names for every type of trim appointment ever installed on a house. Who knows what an astragal is!?! It was fun.

    Leave a comment:


  • Enzo
    replied
    "tinnerman nuts"

    Leave a comment:


  • The Dude
    replied
    Originally posted by Chuck H View Post
    And with enameled bell covers and base mount.?. I'd remove the covers and see what internally grounded means. If the internal ground contact is visible and it didn't satisfy me I'd add a lead that could be soldered.
    Amen!

    Leave a comment:


  • MikeH
    replied
    Originally posted by g1 View Post
    I'm a bit surprised seeing those 'clip on' nuts like that for the mounting. There's no external wire to the casing?
    It may be under the bells, but yeah definitely seems like a sketchy ground connection. If I ever have the itch to use it Iíll take the bells off and see if there is a lead that is accessible.

    Leave a comment:


  • Chuck H
    replied
    And with enameled bell covers and base mount.?. I'd remove the covers and see what internally grounded means. If the internal ground contact is visible and it didn't satisfy me I'd add a lead that could be soldered.

    Leave a comment:


  • g1
    replied
    Originally posted by MikeH View Post
    It is indeed internally grounded. Seems like a lousy way to do it though. Makes the chassis connections really important.
    I'm a bit surprised seeing those 'clip on' nuts like that for the mounting. There's no external wire to the casing?

    Leave a comment:


  • MikeH
    replied
    Originally posted by Enzo View Post
    Got an ohm meter?


    (Gotta bring along those Ann Arbor guys...)
    Yeah I suppose I should have thought of that. It is indeed internally grounded. Seems like a lousy way to do it though. Makes the chassis connections really important.

    Too bad thereís no 5v tap, would actually make a decent PT for a low wattage tweed style amp.

    Leave a comment:


  • dmeek
    replied
    I've seen power transformers with internally grounded center taps. You have to hope the mounting bolts don't come loose.

    Leave a comment:


  • Enzo
    replied
    Is that a thing?
    Got an ohm meter?


    (Gotta bring along those Ann Arbor guys...)

    Leave a comment:


  • MikeH
    started a topic Transformer has no center taps?

    Transformer has no center taps?

    This is the power transformer I pulled from an old tube reel-to-reel unit:

    https://ibb.co/NT5TjK7

    Two wires for the primary, two wires for the HV secondary, two for the LV secondary. No center tap wires.

    Hereís the schematic (printed inside the unit):

    https://ibb.co/Kx5dNX0

    The PT is at the bottom, just right of center; youíll note that it shows both secondaries have grounded center taps. So what gives? Are the center taps internally grounded? Is that a thing?
Working...
X