[sdiy] Crosstalk between stages of Mesa Road King II guitar tube amplifier

[Barry Klein]

How about checking C7,8,16?

Sent from my iPhone

> On Feb 4, 2016, at 4:17 PM, cheater00 . <cheater00 at gmail.com> wrote:
> 
> Hi Nils,
> thanks for your email.
> Removing V5 yielded no improvement in the issue.
> 
> Thanks
> 
> On Fri, Feb 5, 2016 at 12:55 AM, Nils Pipenbrinck
> <n.pipenbrinck at hilbert-space.de> wrote:
>> Hi cheater00,
>> 
>> crosstalk between triodes in the same tube exist. On the internet I
>> found reports of crosstalk as worse as 48db in dual triodes.
>> 
>> Considering, that the V5b is running at a gain of approximately 30db
>> that could be the culprit.
>> 
>> In your case I would try out a few 12ax7 tubes and check if the
>> situation becomes better. If you don't have any at hand you may also
>> swap the existing tubes around.
>> 
>> Regarding a good tube forum: I hang around at
>> http://www.tube-town.de/ttforum/index.php almost daily. Very friendly
>> and lots of competent people there.
>> 
>> It's a German language forum, but everyone is fine with a thread in
>> English. We have quite a few international regulars who post in English.
>> 
>> Best,
>>  Nils
>> 
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