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Re: New Production Tung Sol 6550, Penta KT88s [message #96297 is a reply to message #96296]

Sun, 22 January 2023 17:28

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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[Message index]

		New Production Tung Sol 6550, Penta KT88s By: positron on Wed, 18 January 2023 23:01
		Re: New Production Tung Sol 6550, Penta KT88s By: positron on Sat, 21 January 2023 18:24
		Re: New Production Tung Sol 6550, Penta KT88s By: Wayne Parham on Sat, 21 January 2023 20:48
		Re: New Production Tung Sol 6550, Penta KT88s By: positron on Sat, 21 January 2023 21:33
		Re: New Production Tung Sol 6550, Penta KT88s By: positron on Sun, 22 January 2023 17:28
		Re: New Production Tung Sol 6550, Penta KT88s By: gofar99 on Mon, 23 January 2023 20:25
		Re: Demagnetizing Tung Sol 6550, Penta KT88s By: positron on Mon, 23 January 2023 22:12
		Re: Demagnetizing Tung Sol 6550, Penta KT88s By: positron on Tue, 21 February 2023 22:45
		Re: Demagnetizing Tung Sol 6550, Penta KT88s By: positron on Mon, 26 February 2024 21:44
		Re: Demagnetizing Tung Sol 6550, Penta KT88s By: positron on Fri, 21 June 2024 17:29
		Re: Demagnetizing Tung Sol 6550, Penta KT88s By: gofar99 on Fri, 21 June 2024 20:50
		Re: Demagnetizing Tung Sol 6550, Penta KT88s By: positron on Fri, 28 June 2024 11:28
		Re: Demagnetizing Tung Sol 6550, Penta KT88s By: gofar99 on Fri, 28 June 2024 20:46
		Re: Demagnetizing Tung Sol 6550, Penta KT88s By: positron on Tue, 02 July 2024 00:14
		Re: Demagnetizing Tung Sol 6550, Penta KT88s By: positron on Thu, 16 March 2023 15:30
		Re: Demagnetizing Tung Sol 6550, Penta KT88s By: gofar99 on Thu, 16 March 2023 21:28
		Re: Demagnetizing Tung Sol 6550, Penta KT88s By: positron on Thu, 16 March 2023 22:17
		Re: New Production Tung Sol 6550, Penta KT88s By: Wayne Parham on Tue, 02 July 2024 13:50
		Re: New Production Tung Sol 6550, Penta KT88s By: positron on Tue, 02 July 2024 23:41
		Re: New Production Tung Sol 6550, Penta KT88s By: gofar99 on Wed, 03 July 2024 11:09
		Re: New Production Tung Sol 6550, Penta KT88s By: positron on Sun, 07 July 2024 20:26
		Re: New Production Tung Sol 6550, Penta KT88s By: positron on Wed, 28 August 2024 23:11
		Re: New Production Tung Sol 6550, Penta KT88s By: positron on Sun, 06 October 2024 22:36

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