Re: [Harp-L] CR41 feedback

["Larry L. Ravlin" <sheepdip@xxxxxxxxxx>]

It's not going to do any harm, the power tubes don't care which 12 series
tube sends them a signal they are going to process it.  There is a whole
mess of tubes that can be used in the pre-amp section with no fear of damage
to the finals.

Larry


----- Original Message -----
From: Mojo Red <harplicks@xxxxxxxxx>
To: <dzeller@xxxxxxxxxxx>; <harp-l@xxxxxxxxxx>
Sent: Monday, April 25, 2005 6:58 AM
Subject: Re: [Harp-L] CR41 feedback


> Hi Kurt,
>
> I'm not sure about the specifics of your CR41 mic
> as I don't own one, but I'd be very leery of
> swapping the preamp tube that sits closest to the
> power tubes in the Blues Jr.
>
> I was told by the tube expert at Eurotubes that in
> the Blues Jr., you should leave the 12AX7 in that
> slot alone (or replace it with another 12AX7)
> because the power tubes are "expecting" a signal
> from a 12AX7. However, the other tubes are fair
> game for swapping.
>
> I have no idea what potential harm that could do,
> but since I'm no amp expert, I listened to him.
> BTW, Eurotubes sells the JJ brand which are an
> excellent value with quality approaching the NOS
> tubes. I'm using them in my own B.J.
> http://www.eurotubes.com/index.htm
>
> Harpin' in Colorado,
> --Ken M.
>
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