Viet's XRK-amp makes Stereophile
Our XRK (aka Viet) has made Stereophile with a postive review. Congrats X. https://www.stereophile.com/content/living-sounds-audio-discovery-warp-1-power-amplifier dave
View ArticleClass D Amp Photo Gallery
There are plenty of cool pictures in the photo gallery threads posted in the other forums, so it only seems right that there be such a place to post your amp photos in the class d forum as well. It...
View ArticleWhat amp board to use with a SMPS500R?
So back in 2016 I build myself an amplifier using an SMPS500R and a pair of L-15D-PRO (IRS2092) boards. While I'm not really dissatisfied with the amp in any way apart from maybe some hiss from the...
View ArticleThe Boominator - another stab at the ultimate party machine
First a picture of the finished beast on the scales (it weighs 26 kilos with batteries). An externally hosted image should be here but it was not working when we last tested it. Then a couple from the...
View ArticleFosi Audio BT20A PRO - The Small Performer
Hi guys, I've had the opportunity to get this amp and test it, with stock 32V power supply; with original op-amps and with upgraded OP2134 op-amps. I've tested it on my three systems using Bluetooth or...
View ArticleTI TPA3255EVM
Does anybody know why the supply voltage limit is set to 53.5 V instead of, e.g., 53 V or 54 V? Does the supply need to be regulated, or mustn't the supply limit be exceeded at full output power only?...
View ArticleTPA3221
Hello, Some threads and mulitple users mentionned the high sound quality of the TPA3221 (Texas instrument). Main advantages over TPA3251 or TPA3255 are : - build in or external LDO - differential or...
View ArticleHas anyone tried the Dayton Audio KAB-2150 2 x 150W amp?
Has anyone tried the Dayton Audio KAB-2150 2 x 150W amp? I couldn't find reviews about it. I would like to buy it, but I don't know whether it is worth it. Here's the amp:...
View ArticleTPA3116d2 Help needed
Hi this is my first ever Class-D Build...the schematic is almost same as datasheet and according to gain table the gain should be 32db if i'm not wrong but my mob volume is higher than the volume i got...
View ArticleDual PAM8320 Mini Amp Build
As a lockdown project I'm building a mini amp based around two PAM8320 mono class D amps and a TDA7439 three-band digitally controlled preamp/input mux/processor, and I thought I'd share it here. I'm a...
View ArticleTPA3255 amp cutting out
Hey guys first time poster long time lurker.. lol I just purchased a Wuzhi zk-3002 amp based on the tpa3255 and a 48v 10a smps to go with it. I have tried it hooked up to a pair of 8ohm speakers and a...
View ArticleTrue Wireless Stereo (TWS) Bluetooth for Speakers
True Wireless Stereo (TWS) Bluetooth for Speakers Hi Folks, I am looking for a way to have two physically separated wirelss Bluetooth speakers play stereo. I do not want a wire connection between the...
View ArticleThe New Hypex Fusion Plate amps
Hi Guys, Just seen a recent press release on the new Hypex Fusion plate amps. Look like game changers for active speaker technology. I can't wait to try these babies out. Press release here: Hypex...
View ArticleCheapest Purifi/Hypex for home use
A simple minded folk here. I want to implement latest Hypex 500 or Purifi Eigentakt to fit my living room for tv watching(LG OLED) with a couple of speakers and a center channel (all of which yet to be...
View ArticleTPA3255 - all about DIY, Discussion, Design etc
TI high power amp chip from tpa3251 family
View Articlewondom jab5 4x100w hiss noise
Hi....I am using a wondom jab5 4x100w for my two way 6"woofer + 1" tweeter project and am noticing a strange problem. When going all 4 channels I am getting a lot of hiss noise from amp. If I use a...
View ArticleTying SD-pins together on IR-drivers ?
Hi OK, this is a longshot, but maybe one of you have experience with this. Background: I have some odd/random failures in a FB (full-bridge) classD amp based on IR2184. I have build HB (half-bridge)...
View ArticleAiyima TPA3251 Modification Build Thread !
I'm starting this TPA3251 Modification Build thread so that everyone has a direct path for any and all modifications they wish to explore. Like many of you Class D fans, I purchased the Aiyima TPA3251...
View ArticleDIY Digital Class-D with Post-Filter NFB
Hi everyone, I've recently started messing around with FPGAs, and, though this is possibly very naive, wanted to try my hand at digital class D. I found an IEEE paper titled A Class-D Amplifier with...
View ArticlePre Amp for TV hookup? (Hypex/Purifi)
Hypex Nilai 500 or Purifi Eigentakt Amp for my living room setup for everyday use. Would I need a Pre Amplifier? Thanks in advance
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