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Hit-O-Meter Added 7-10-2014

On This Page I Will Post Questions And Answers
About Tube Driven Equipment Related Issues.
Come Back Often.

Filling Out And Submitting The Form At The Bottom

Is The Best Way To Contact Us With Your Questions


Before Filling Out Each Box On The Form,

Clear Each Box First One By One As You Go Along.

Then Fill In The Box With The Necessary Information.

To Clear A Box Simply Put Your Cursor Anywhere In The Box And Click CTRL A

To Highlight The Box. Then Click Delete And The Box Will Clear.

Fill out the form below with your questions and information
Then click the BLUE SUBMIT button at the bottom left of the form

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That You Provide Will Not Be Posted To This Site.
It Is Sent Directly To Lemon Studio, Laurence Amplifiers, and Wizzard Audio.

Only Your Questions & Our Answers will be posted here
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Question: If I change my 6L6 output tubes on my guitar amp to
KT88 tubes will my amp have more power?

ANSWER:  No! A KT88 tube is like a 6L6 on steroids!

You can swap in a KT88 in place of a 6L6 tube but not the other way around.

For example many Fender amps run 6L6 output tubes.

You can directly replace the 6L6 tubes with KT88 tubes. 

On the oposite side of the rainbow, an Ampeg SVT amp comes stock with

six 6550 output tubes. Basically the same as a KT88.

BUT You can not swap out your 6550 or KT88 tubes for 6L6's. 

KT88's and 6550's can, and often do, run higher plate voltages than the 6L6 tubes to obtain more RMS wattage to the speakers.

They were designed to run at higher voltages.

As always; replace your output tubes in pairs and hopefully with MATCHED PAIRS. 

!! Soon a new Web Site for Laurence Amplifiers will be created and linked here !!
Any Questions, Answers, and Information will be moved to the new site !! 

Laurence Amplifiers is the musical instrument amplifier division of Wizzardinc.
Laurence Amplifiers has been in "mothballs" so to speak since about 1985.
Once Laurence Amplifiers is resurected,
We will service, modify, design and build custom tube musical instrument amplifiers.
This service was offered as far back as 1964 but was "mothballed" for many years due to time constraints.
Only a select few clients were served! 

Questions, Questions, Questions...And Some Answers