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Old 13th November 2011, 06:01 PM   #1
M Gregg is offline M Gregg  United Kingdom
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Default OTL guitar amp...

Just for interest,

OTL guitar amp..LMAO.

OTL-Gitarren-Amp - YouTube

I put it here because it may be of interest tube related.

Someone asked can't remember who what an OTL guitar amp would sound like...

I guess it will get moved to the Instruments forum...I think it would interest some here!

Its only for interest they can be made..

Regards
M. Gregg
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Old 13th November 2011, 09:25 PM   #2
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What he got is an old Philips SEPP with 2 EL86 was considered good HIFI when introduced.

But for guitar
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Old 14th November 2011, 04:35 PM   #3
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I've been doing OTL guitar amps for some time. Such as this one of many prototypes (my amps dont seem to get past the prototype stage)
Tube OTL by Devildogamps - YouTube
They are a little different than the classic transformer coupled pentode amps. The OTLs I build using triodes have very little 'tube compression' in the output stage. This is great for highly dynamic styles of playing, but can be a bit 'handful' for styles that require a more steady volume. Of course, that just makes for an excuse to get a good compression pedal, and one can't have enough pedals.

Atmasphere even had an OTL for guitar under the brand 'Rendition Audio' but I cannot find it when googling, so perhaps it no longer is?

Last edited by SemperFi; 14th November 2011 at 04:39 PM.
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Old 14th November 2011, 05:13 PM   #4
Bone is offline Bone  United Kingdom
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How about showing us some schematics?
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Old 14th November 2011, 05:21 PM   #5
kevinkr is offline kevinkr  United States
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Quote:
Originally Posted by M Gregg View Post
Just for interest,
<snip>
I guess it will get moved to the Instruments forum...I think it would interest some here!

Its only for interest they can be made..

Regards
M. Gregg
Yep, it will since that is where it belongs per forum policy..

It is interesting, and I'd encourage any members who are into guitars and amps to mosey over to the Instruments and Amps forum whenever they can..
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Old 14th November 2011, 10:46 PM   #6
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Quote:
Originally Posted by SemperFi View Post
I've been doing OTL guitar amps for some time. Such as this one of many prototypes (my amps dont seem to get past the prototype stage)
Tube OTL by Devildogamps - YouTube
They are a little different than the classic transformer coupled pentode amps. The OTLs I build using triodes have very little 'tube compression' in the output stage. This is great for highly dynamic styles of playing, but can be a bit 'handful' for styles that require a more steady volume. Of course, that just makes for an excuse to get a good compression pedal, and one can't have enough pedals.

Atmasphere even had an OTL for guitar under the brand 'Rendition Audio' but I cannot find it when googling, so perhaps it no longer is?
We still do. The website is being moved.
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