HiFi tube amp and homebrew guitar preamp

Non-Rickenbacker Guitars & Effects

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HiFi tube amp and homebrew guitar preamp

Postby (Tube_Fan) » Wed Apr 26, 2017 7:59 pm

For guitar amplification, I've been mainly using a Seeburg model HFA1-L6 tube amp (6L6/5881 push-pull output) with a home brew Fender style tube preamp with spring reverb and paper cone speakers in an oak cabinet.
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guitar-preamp-closed.JPG
guitar-amp-preamp.JPG
Last edited by Tube_Fan on Wed Apr 26, 2017 8:02 pm, edited 1 time in total.
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Re: HiFi tube amp and homebrew guitar preamp

Postby (Tube_Fan) » Wed Apr 26, 2017 8:00 pm

Here's a close up of the tube amp.
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Seeburg2.JPG
Seeburg.JPG
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Re: HiFi tube amp and homebrew guitar preamp

Postby (Tube_Fan) » Sat Jun 10, 2017 8:29 pm

My latest stereo set up in my living room includes a McIntosh MC75 (in front) and an MC30. You can see two tubed Heathkit preamps on the right in the picture, too.
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Re: HiFi tube amp and homebrew guitar preamp

Postby (jps) » Sat Jun 10, 2017 10:48 pm

You're probably the only member here that would appreciate this:

Fireplace-1200_1568.jpg


Bozak 302-Grille Removed-1200_1579.jpg


It has been in our fireplace since the early '60s and used daily at high volumes by Shari's dad through the early '70s when he got bit by the stereo bug, finally! :mrgreen:

Once we are finished with our living room renovation I will connect it to the old, original KLH table radio we still have (her dad's, too), and still use to this day, to see if the Bozak still works okay.
"It is better to have talent and not be recognized for it than it is to be recognized as having no talent." - JPS
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Re: HiFi tube amp and homebrew guitar preamp

Postby (Tube_Fan) » Mon Jun 12, 2017 10:19 am

That looks like its designed as a back loaded horn or some kind of open back speaker. I'm using two back loaded horn speakers for bass and two Altec Lansing 811b horns for midrange and treble.
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Re: HiFi tube amp and homebrew guitar preamp

Postby (jps) » Mon Jun 12, 2017 11:24 am

We have never pulled the speaker out of the fire box, but after removing the bluestone mantel and clearing out lots of rocks, broken bricks, a marble, a drum stick, a 4 of Hearts playing card, and several long dead birds (!!!!!) I think the cabinet is just a mounted baffle, utilizing the firebox as the rest of the cabinet. I am reluctant to remove the baffle, fearing what else may be behind it! :shock: :mrgreen:
"It is better to have talent and not be recognized for it than it is to be recognized as having no talent." - JPS
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Re: HiFi tube amp and homebrew guitar preamp

Postby (Badanovski) » Mon Jun 12, 2017 6:30 pm

Jimmie Hoffa perhaps?
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Re: HiFi tube amp and homebrew guitar preamp

Postby (Tube_Fan) » Mon Sep 25, 2017 1:27 pm

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Re: HiFi tube amp and homebrew guitar preamp

Postby (Tube_Fan) » Sat Oct 14, 2017 10:24 am

I bought a new old incense burner.
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Re: HiFi tube amp and homebrew guitar preamp

Postby (jps) » Sat Oct 14, 2017 10:59 am

Cool. Does it match your hookah?
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Re: HiFi tube amp and homebrew guitar preamp

Postby (Tube_Fan) » Sat Oct 14, 2017 1:33 pm

What is a Hookah Bar Like?
https://www.verywell.com/what-is-a-hook ... ge-2824822

I found a brass hookah or water pipe in a thrift store years ago. I tried smoking some non-tobacco smoking mixture from an herb shop in it to see what at it was like, but haven't used it in years.
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Re: HiFi tube amp and homebrew guitar preamp

Postby (Tube_Fan) » Thu Nov 02, 2017 10:04 am

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Re: HiFi tube amp and homebrew guitar preamp

Postby (Tube_Fan) » Wed Mar 28, 2018 3:44 pm

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Re: HiFi tube amp and homebrew guitar preamp

Postby (Tube_Fan) » Sat Mar 31, 2018 10:03 pm

no negative feedback

Vox Pop - The Story of Dick Denney and the AC30 amp
https://www.youtube.com/watch?v=oQud4emaSek
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Re: HiFi tube amp and homebrew guitar preamp

Postby (Tube_Fan) » Sun Sep 30, 2018 11:09 am

discussion of 6L6, KT66, etc. tubes
http://www.jacmusic.com/KT88/kt88.htm
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