Home » Audio » Thermionic Emissions » New Production Tung Sol 6550, Penta KT88s (Concerning Audio Quality)
Re: New Production Tung Sol 6550, Penta KT88s [message #96297 is a reply to message #96296] Sun, 22 January 2023 17:28 Go to previous messageGo to previous message
positron is currently offline  positron
Messages: 113
Registered: May 2020
Viscount
Another tidbit is the frequency response change of 1/1,000,000 equates to
-114 to -120db down from the fundamental (one to one on the steepest part of the signal slope).

Even though small, the change covers octaves of bandwidth. Rane Corp found a change covering 1/3rd octave or less is generally not perceived.

A spec of +/- 0,1db equates a change of only about -54db. Not surprising to me that we notice sonic differences of different manufacturer's components even though the frequency response are the same, +/- 0,1db 20 to 20khz.

Cheers

pos
 
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