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Dirty-South Blues Harp forum: wail on! >
tubes swap in my geloso 213a
tubes swap in my geloso 213a
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K_O_E_N_J
18 posts
Feb 22, 2012
6:50 PM
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Hey there,
I just got a geloso G213 http://www.radiomuseum.org/r/geloso_g213_a_g213a.html
Can someone help me with a tube swap?
The amp is very loud, but its sounds a bit "thin".
There are 2 12SL7GT tubes in it.
Can I swap it with a 6sl7, or maby a 12sn7?
I got 2 6sn7gtb tubes there, can I try those 2?
What would you guys think? What would be the best tubes?
And it also got 2 6V6G tubes.
I got 2 very nice tungsol 5881, Can i swap it for the 6v6g tubes?
All tips are welcome,
Greats from holland
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7LimitJI
621 posts
Feb 22, 2012
7:22 PM
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I've got one and it sounds great.
Have a read of this,its about mine.
http://www.lwharpamps.com/forum/viewtopic.php?f=2&t=618&p=4266&hilit=geloso&sid=24c58f357463e03dd034bf62c9ac3c69#p4266
You cannot put in the 6SL7 or the 6SN tubes as these are 6 volt and not 12v.
Try setting the mains input to 280v as this will lower all the voltages and make the amp more brown, and break up earlier.
Not sure if you can swap in the 5881. I think they draw more heater current than the 6V6.
----------
The Pentatonics Reverbnation
Youtube
"Why don't you leave some holes when you play, and maybe some music will fall out".
"It's music,not just complicated noise".
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K_O_E_N_J
19 posts
Feb 24, 2012
1:07 AM
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Heey,
Thank you 7limitJI.
But what about the 6v6 to 6l6 swap?
Does someone know if i can swap the 2 6V6G tubes for my tungsol 5881 ( 6L6 Tubes) ?
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