RE: [neonixie-l] OT: audio levels

2019-04-17 Thread johnk
this OT discussion too. Regards, John K From: neonixie-l@googlegroups.com [mailto:neonixie-l@googlegroups.com] On Behalf Of Tomasz Kowalczyk Sent: Thursday, 18 April 2019 04:04 To: neonixie-l Subject: Re: [neonixie-l] OT: audio levels W dniu wtorek, 16 kwietnia 2019 15:57:35 UTC+2

Re: [neonixie-l] OT: audio levels

2019-04-17 Thread Tomasz Kowalczyk
W dniu wtorek, 16 kwietnia 2019 15:57:35 UTC+2 użytkownik johnk napisał: > > Well, how do I say this Thomas? > > It is NOT to be called Watts RMS ! > > They left the vital word out – it is Watts [RMS derived]. They left out > “derived”. > > > > The RMS volts and RMS amps that you mention when

RE: [neonixie-l] OT: audio levels

2019-04-16 Thread johnk
: [neonixie-l] OT: audio levels W dniu piątek, 29 marca 2019 08:46:37 UTC+1 użytkownik charles napisał: On 2019-03-28 10:09 p.m., johnk wrote: based on teh RMS output (.707 of the peak) That would be 0,707 (1/sqrt(2)) voltage output on a resistive load. RMS power of a sine wave is 0,5 times

Re: [neonixie-l] OT: audio levels

2019-04-16 Thread Tomasz Kowalczyk
W dniu piątek, 29 marca 2019 08:46:37 UTC+1 użytkownik charles napisał: > > On 2019-03-28 10:09 p.m., johnk wrote: > > the FTC in the States started cracking down and said that any power > claims had to be based on teh RMS output (.707 of the peak) using a sine > wave with Specified

Re: [neonixie-l] OT: audio levels

2019-04-16 Thread Tomasz Kowalczyk
W dniu piątek, 29 marca 2019 08:46:37 UTC+1 użytkownik charles napisał: > > On 2019-03-28 10:09 p.m., johnk wrote: > based on teh RMS output (.707 of the peak) > That would be 0,707 (1/sqrt(2)) voltage output on a resistive load. RMS power of a sine wave is 0,5 times peak power. I like to

Re: [neonixie-l] OT: audio levels

2019-03-29 Thread Charles MacDonald
On 2019-03-28 10:09 p.m., johnk wrote: An aside: now that we are talking audio, I would love to get an argument going about Watts RMS ! I say this: the watts specified for an amplifier output are intended to be average power and not rms power. Any takers? I do recall that the merchants

RE: [neonixie-l] OT: audio levels

2019-03-28 Thread johnk
rofessional mixing consoles are examples of > professional line level equipment." > > > Done quickly, apologies for errors and omissions, John Kaesehagen > Australia > > > > -Original Message- > From: neonixie-l@googlegroups.com [mailto:neonixie-l@google

Re: [neonixie-l] OT: audio levels

2019-03-28 Thread jb-electronics
-Original Message- From: neonixie-l@googlegroups.com [mailto:neonixie-l@googlegroups.com] On Behalf Of jb-electronics Sent: Thursday, 28 March 2019 11:42 To: neonixie-l@googlegroups.com Subject: [neonixie-l] OT: audio levels Hello Nixie friends, I am thinking of building a simple all-in-one VU

RE: [neonixie-l] OT: audio levels

2019-03-28 Thread johnk
nics Sent: Thursday, 28 March 2019 11:42 To: neonixie-l@googlegroups.com Subject: [neonixie-l] OT: audio levels Hello Nixie friends, I am thinking of building a simple all-in-one VU meter using a microcontroller to visualize the audio signal on a headphone line (say, I feed the headphone

Re: [neonixie-l] OT: audio levels

2019-03-27 Thread David Forbes
Expect 0.1 to 1V peak-peak, depending on volume. On Wed, Mar 27, 2019, 6:11 PM jb-electronics wrote: > Hello Nixie friends, > > I am thinking of building a simple all-in-one VU meter using a > microcontroller to visualize the audio signal on a headphone line (say, > I feed the headphone output

[neonixie-l] OT: audio levels

2019-03-27 Thread jb-electronics
Hello Nixie friends, I am thinking of building a simple all-in-one VU meter using a microcontroller to visualize the audio signal on a headphone line (say, I feed the headphone output of my PC to my circuit, and then I install a pass-thru to connect to my headphones). What is the typical