Zinky Superfly Blog - Part 24: Any More Information

From: zinky@zinky.com
Subject: Re: Shipping Superfly chassis
Date: 16 April 2008 19:56:12 BST
To: david@dave.st

David, Yes, it's the same pan. That'll save you $20, and it will verify performance before the amp is re-assembled.

Tubes- We used to buy tubes in bulk, then sort them ourselves. The problem we found was a lot of tubes that biased really hot, which wouldn't last. (those are the ones that often hum, too). There were also the very cold tubes which didn't make power, as if they were pre-aged.

Only the 5881WGC tubes work properly. The others are merely 6L6 copies, and not nearly as good. The WGC is a military tube with SIMILAR specs, but they are not optimized for performance in 6L6 circuits. The Superfly wants to se the WGC tube.

I'll find the shipping cost for you, your cost = my cost. We typically use Fed X economy delivery, which takes about a week.

BZ

Bruce confirmed that I should send one of the reverb pans and some gave useful information about likely shipping time.

I still wasn't sure about the power tube explanation, but if Zinky could supply some tested tubes (especially having my amp to test them with), that should be fine?

I never did get the shipping cost, so after a few days I made my own enquiries and let Bruce know - see part 25.

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