Unlocking Speaker Secrets with TOA’s Obvious: From SPL to Amplifier types
Why focus on speaker size and wattage when there are more crucial factors to consider? Join us on this enlightening episode of the Toolbox podcast as we sit down with Obvious, the technical and training manager of TOA Africa, to decode the secrets behind selecting the perfect speakers. Discover how sound pressure level (SPL) and sensitivity trump size and wattage, and learn why SPL, measured in decibels from one meter away with one watt of power, is the true measure of a speaker's efficiency and performance. Through a comparison with TOA's high SPL-rated speakers, we dismantle the myth that bigger is always better.
In our deep dive into audio concepts, we get to grips with the nuances of speaker specifications like RMS, continuous power, and PMPO. Obvious clarifies why RMS stands out as a more reliable indicator of a speaker's capability, compared to misleading metrics like PMPO. We also explore how frequency response affects the suitability of speakers for different applications—from speech to live bands—and discuss the critical role of impedance in speaker performance. To top it off, terms like full-range speakers get demystified, offering you a well-rounded understanding of what makes a speaker excel in various scenarios.
Finally, we break down the complexities of amplifier classes and the innovative realm of self-powered speakers. Learn why Class D amplifiers are the go-to choice for efficiency and performance, and how self-powered speakers, especially those enhanced with Digital Signal Processing (DSP), offer unmatched versatility in security and public settings. Obvious also sheds light on the importance of speaker intelligibility and efficiency, ensuring that your audio system delivers clear and understandable communication, while being cost-effective in the long run. Don't miss this comprehensive guide that promises to transform your perspective on purchasing speakers.
TOA Generic training:
https://www.toa.eu/service/training-c...
TOA Online Training School: (Technical)
https://toasa.talentlms.com/index
TOA Online Data Library:
https://www.toa-products.com/internat...
TOA Africa Youtube:
/ @toaafrica
Timecodes
0:00 Intro
0:17 Our Guest intro
1:17 How to buy a speaker
4:40 SPL / Sensitivity - what do they mean?
7:29 PMPO
8:47 RMS / Continuous power
10:37 Frequency response
12:50 Application of speakers
13:53 Impedance of speakers
17:18 HOW (Houses of Worships) Speakers COD (Cause of Death)
19:53 Amplifier types
25:25 Speaker cable - Thickness
29:11 TOA - Spare parts
30:39 Active Horn Speaker
34:20 TOA's HX Speakers
37:30 Intelligibility - Sound clarity
39:59 Houses of worships - Sound
41:57 Power consumption of Sound systems
44:23 TOA Training
46:33 Summery