Andrew Storlie Posted November 25, 2016 Report Posted November 25, 2016 ok so i see THD (total harmonic distortion) and S/N (signal to noise ratio) all over amps that im looking at. i have an alpine PDX-F6 on my doors and a alpine PDX-M12 on my sub. i see THD at .05% and S/N at 96db my buddy got an audiopipe amp and it says THD of .15% and a S/N of 70db, in the real world what does that mean for the average user when setting up a system and choosing parts????? my whole set up is dayton audio speakers and alpine amps as i want something with better sound then just being loud. hes going for loud noise on a budget.
Karkov Posted November 25, 2016 Report Posted November 25, 2016 You are bumping things every hour, give it time, it's the middle of the night...after a holiday...... 2007 Chevy Tahoe (SOLD) 12 ~ FI Audio X series 10" w/BP option 2 ~ DC Audio 5.0K @0.67 3 ~ DC Audio 5.0K @1.0 2 ~ PPI 3 way sets (not installed yet) 1 ~ RF T400-4, 1 ~ RF T600-2, 1 ~ RF T600-4 4 ~ CT Sounds 5.25" Strato comps (rear fill only) 1 ~ XS Power D4800 1 ~ XS Power D3400 8 ~ XS Power XP3000 160 stock alt, Mechman 370 Elite, 185 DC Power 320+ Sq. Ft. Sound Deadener Pioneer AVH-X5500BHS Youtube: https://www.youtube.com/user/knfjdkghjudfhsgkjdhf/videos?sort=dd&view=0&shelf_id=0
Mr DeeBeez Posted November 25, 2016 Report Posted November 25, 2016 Fi Team 18's (4) Crossfire 16k Crossfire 400.4 & 800.4 Pioneer AVH-X491bhs 140ah cmax CES 320's (2)
Soundfreezer79 Posted November 25, 2016 Report Posted November 25, 2016 Signal to noise ratio. The volume level at which a low level of hiss or "noise", any sounds that are nonmusical, becomes detectable in the music. So an HU with a S/n ratio of 100db is very high quality. Alpine and Eclipse used to make HU's with a s/n of 105 or 110 db's, very high quality. Today, its more like 90 or 95 db's s/n ratio on mst HU's. THD, or total harmonic distortion, is the tiny amount of distortion introduced into the signal by the amplifier itself. High quality amps will have a lower THD. Don't worry about these things too much if you run high quality equipment.
Soundfreezer79 Posted November 25, 2016 Report Posted November 25, 2016 Signal to noise ratio. The volume level at which a low level of hiss or "noise", any sounds that are nonmusical, becomes detectable in the music. So an HU with a S/n ratio of 100db is very high quality. Alpine and Eclipse used to make HU's with a s/n of 105 or 110 db's, very high quality. Today, its more like 90 or 95 db's s/n ratio on mst HU's. THD, or total harmonic distortion, is the tiny amount of distortion introduced into the signal by the amplifier itself. High quality amps will have a lower THD. Don't worry about these things too much if you run high quality equipment.
Soundfreezer79 Posted November 25, 2016 Report Posted November 25, 2016 Signal to noise ratio. The volume level at which a low level of hiss or "noise", any sounds that are nonmusical, becomes detectable in the music. So an HU with a S/n ratio of 100db is very high quality. Alpine and Eclipse used to make HU's with a s/n of 105 or 110 db's, very high quality. Today, its more like 90 or 95 db's s/n ratio on mst HU's. THD, or total harmonic distortion, is the tiny amount of distortion introduced into the signal by the amplifier itself. High quality amps will have a lower THD. Don't worry about these things too much if you run high quality equipment.
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