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    Hard to navigate is a huge understatement... ...

    Hard to navigate is a huge understatement...

    Thanks for all the info and links...

    I found I had to just let go of the schematic after my last post, 21 days in a row and I was burned...I...
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    Help with ID of these two transformers & what they do

    38948389493895038951

    The Barvic had two transformers, the 119H is in speaker cabinet and brings signal in with jack, signal goes through and then to speaker (Note: in proving amp worked with...
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    Barvic schematic hybrid

    38929here is the latest Barvic Schematic incarnation...not sure if I have attached it properly, so this post is a check/test
    edited in later: okay, seems workable
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    up-date on Barvic Amp & "Wiring Diagram" & a question

    I have the Barvic up and running and the sound is pure, clean, clear...running it through the speaker that it came with (6" RCA from 1950's?) and the bass is excellent, and the treble & bass pots...
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    Thanks OC, glad you took a look, and you (once...

    Thanks OC, glad you took a look, and you (once again) nailed how I feel about completing and my hope it is of value to others...I hope to look at your links today to see what further mysteries your...
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    Barvic diagram (schematic)

    Well, after many weeks of strain, agony and enlightenment I have completed a reverse engineering diagram of the tube amp.

    I welcome feedback, and I realized during the process that my lack of...
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    James Grey1 day ago Hi, am am currently...

    James Grey1 day ago
    Hi, am am currently rebuilding a tube PA from 1962 (Barvic Eng.) and it has 8 of the "postage stamp" micas (areovox)...finding this vid was very helpful, and

    my question is...
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    Mica caps (postage stamp) for schematic

    I have been attempting to read the values of the postage stamp mica's, and I believe I have figured it out, for example, reading left to right, (all mine are JAN (first dot black)), so "black, red,...
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    thanks g1, I will follow that lead and see where...

    thanks g1, I will follow that lead and see where it takes me...
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    Does anyone know what this is?

    Cylinder on top

    38295

    On the top of the PA is a heavy round cylinder with "Barvic" on top, underneath it has 4 wires out, 2 going to the mic-in jack, 1 going to a valve and 1 more going to a...
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    Thanks...i measured the resistance and you where...

    Thanks...i measured the resistance and you where right, all the pots work, so I will trace the circuit next and see...

    a question: I have itemized the caps and went to BCRobotics and they can get...
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    Hello, Just a quick up-date...Am set up at...

    Hello, Just a quick up-date...Am set up at MakerSpace now...am applying OC's recommendations from post #6...just working my way through the material...currently am making a diagram of paper caps so I...
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    Thanks OC, I see some of what you are pointing...

    Thanks OC, I see some of what you are pointing out, and some of the knowledge from my Theory & Practice reading "lite-up" when reading your reply, giving the reading somthing to attach to in the...
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    15AM inside & valve ID's

    37976

    The tubes are in labeled sockets, while the tubes have a ID: I will list socket then tube:

    U709--EZ81

    729--EF86/Z729 (capped)

    N709--EL84
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    Well, this is exciting, thanks for the feed-back,...

    Well, this is exciting, thanks for the feed-back, and some of my excitement comes from what y'all write makes sense to me, I can "see" a direction now...will post pics as soon as I have digested what...
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    1960's Barvic 15AM tube amp with Lenco phono

    New to site and to electronics...bought amp 2 years ago as prep for hobby, am now engaged in learning the ropes.

    Can anyone direct me to info regarding the Barvic 15AM? what is it that I have,...
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