Re: [Harp-L] lower mu tubes
- To: "Harp- L" <Harp-L@xxxxxxxxxx>
- Subject: Re: [Harp-L] lower mu tubes
- From: "Splash!" <celtiac@xxxxxxxxx>
- Date: Tue, 2 Nov 2010 12:59:21 -0500
- Cc:
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- References: <64588A3F-C595-40CE-B72F-276405605ACC@comcast.net><AANLkTiko3b0=6b3-AL0krw681oxJmnbcfMFNjmkD=P+M@mail.gmail.com><708BE3CEB4D8444795BA3515F02F99B7@DainePC> <571159.72690.qm@web87016.mail.ird.yahoo.com>
That's why I prefer vintage 12AU7s. They might have less 'gain' but provide
more 'power' because of their larger current. Ohms - It's the Law!
Splash!
----- Original Message -----
Subject: Re: [Harp-L] getting high gain... no feedback
In some, unique circumstances, lower mu tubes can let you push the amp
harder,
but the idea that you are pushing the output harder is TOTAL BS, unless you
are
measuring a bigger output voltage at the speaker...even if you are, the
softening of the sound can still mean that regular mu tubes kick out more
sound.
In most cases output will only be nominally different. Low mu tubes run
lower
plate voltages, which sound less harsh, they also bring down the SE
distortion
component (even order harmonics) which makes amps sound smoother...I'm not
against their use, far from it, but they deliver a smaller signal to the
power
tubes, which in turn typically distort less at comparable power levels.
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