Happy Jack Posted December 31, 2018 Share Posted December 31, 2018 https://www.thomann.de/gb/the_t.racks_dbmeter.htm Seriously. It has no microphone (that I can see) so can only measure the strength of the signal passing through it ... on the way to the powered PA units with their own volume controls. Erm ... Quote Link to comment Share on other sites More sharing options...
Drax Posted December 31, 2018 Share Posted December 31, 2018 I don't understand either. 3rd listed feature 'Produces interesting lighting in your amplifier rack' - Sold ! 1 Quote Link to comment Share on other sites More sharing options...
Monkey Steve Posted December 31, 2018 Share Posted December 31, 2018 from the specs: This device is intended to be used as a level indicator for audio line signals So not a dB meter at all then... Quote Link to comment Share on other sites More sharing options...
Huge Hands Posted December 31, 2018 Share Posted December 31, 2018 2 minutes ago, Monkey Steve said: from the specs: This device is intended to be used as a level indicator for audio line signals So not a dB meter at all then... Probably dBu or dBV of the line level, not dBSPL in terms of acoustic energy. As someone said, a fancy lighty up thing for your rack.... Quote Link to comment Share on other sites More sharing options...
paul_c2 Posted December 31, 2018 Share Posted December 31, 2018 dB is a dimensionless unit which measures the relative level of two signals. When people talk about "the dB of sound" its actually compared to a scientifically defined reference level. In a similar way, in the audio world dB can mean a number of things but one of them is as a relative amount to the industry-standard reference voltage on a professional line level signal, which I think is 0.7V or 1V or something like that. See https://en.wikipedia.org/wiki/Line_level for more info on the science. Quote Link to comment Share on other sites More sharing options...
ahpook Posted December 31, 2018 Share Posted December 31, 2018 (edited) 7 minutes ago, paul_c2 said: dB is a dimensionless unit which measures the relative level of two signals. When people talk about "the dB of sound" its actually compared to a scientifically defined reference level. In a similar way, in the audio world dB can mean a number of things but one of them is as a relative amount to the industry-standard reference voltage on a professional line level signal, which I think is 0.7V or 1V or something like that. See https://en.wikipedia.org/wiki/Line_level for more info on the science. Exactly. The dB isn't a measure of audible volume, it's a measure of any signal strength when compared a standard. The unit in question seems to measure the signal strength going through it...and then does a Christmas tree impression to Festivise™ your bass amp Edited December 31, 2018 by ahpook 1 Quote Link to comment Share on other sites More sharing options...
Drax Posted December 31, 2018 Share Posted December 31, 2018 For £34 it's almost worth it for the lights alone. 1 Quote Link to comment Share on other sites More sharing options...
Jus Lukin Posted December 31, 2018 Share Posted December 31, 2018 (edited) - Edited March 2, 2022 by Jus Lukin 1 Quote Link to comment Share on other sites More sharing options...
Raymondo Posted December 31, 2018 Share Posted December 31, 2018 You don't need to know all the technical stuff ….it has lights people....FLASHING LED LIGHTS😍😜😎 2 Quote Link to comment Share on other sites More sharing options...
jezzaboy Posted December 31, 2018 Share Posted December 31, 2018 Ooooooo shiny thing, with lights! Absolutely no use to anyone. Mine arrives next Monday! 4 Quote Link to comment Share on other sites More sharing options...
Roger2611 Posted December 31, 2018 Share Posted December 31, 2018 7 hours ago, Jus Lukin said: I'll say! I'll look cooler with that behind me than with a new pair of trainers! Boring answer- if you don't need one, it's worthless, and there's very little point in one in a bass or guitar rack. In a studio there are countless gain stages which might need monitoring, so something like this to patch in where needed makes a lot of sense. It will need calibrating to the situation to give the required reading, and may be one of those bits of gear which sits unused for ages, right up until it becomes invaluable for 5 minutes. Studios are full of that kind of thing! Certainly a lot easier to read than a VU meter, too! https://en.m.wikipedia.org/wiki/Peak_programme_meter It looks great but reading the few reviews that are there for it, it doesn't sound like it is very accurate even as just a peak level display, so it will just have to be cool flashing lights in your studio rack! Quote Link to comment Share on other sites More sharing options...
taunton-hobbit Posted December 31, 2018 Share Posted December 31, 2018 I had one of these (or its brother) built into a nasty Jap 'Orange'amplifier about twenty years ago (no, not THAT Orange) very pretty.........I'm wondering whether I want another (very different from 'need') 😎 Quote Link to comment Share on other sites More sharing options...
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