Hello,   I misplaced my RSA Predator 5V charger and my amp is out of battery.   Was finding alternate ways to charge the Preddy. The Charger rates 5V +/- 2% @ 2A.   Two questions: 1. Is it possible to fully charge the Predator over mini-USB? 2. Can I use a similar Charger that is...

Hi guys, I found 2 tubes in my closet recently and have no experience with tube amplifiers. Could you guys advise what make and model are the tubes, and if they are of any value? Thanks Gerald

Hi all, I am thinking of building a nice LOD for my iPod Touch 2nd Generation. There are many tutorials for the previous old version 1.0 LOD's but they do not work with iPod Touch 2nd Generation, and 3G iPhones. May I know what additional steps to take, to make the LOD work with the 2nd...

Hi everyone, My Heron finally arrived after a gruelling two day wait that seemed like two eons. Anyways, please enjoy the pictures and ask questions if you have any - I am happy to answer. And no, I will not resize them or they wouldn't be Hi-Resolution as stated in the title As...

Hi guys, I have an iBasso D2 Viper since last year and had a serious bout of upgradetis. Currently the Viper is in its stock configurations though I already have all the little opamps ready to roll once their browndogs come in. Using them with the UM2's, would anyone recommend the P3 over...

**Thread shifted to Portable Amps section, please click HERE to go there.** Hi guys, I just pulled the trigger on the Heron last night and it should arrive in a few days time. In the meantime, I've decided to create a thread specifically for the purpose of Heron opamp rolling - not for the...

Hi guys, I am completely new to soldering but have read some tutorials on this. May I know what tools and techniques should be used to solder these tiny opamps onto a dip8 converter? Thanks!

Hi guys, I am going to get a pair of UM2's either in Singapore or from the States (its much cheaper over there). Thing is, the shop in Singapore will offer me a one to one no question asked exchange of the UM2 should it ever spoil. I am curious to know if Westone will send me a sealed...

Hi everyone, Thank you! I have made up my mind and would be getting the UM2's locally in Singapore for about US$300.75 which is a very fair price considering the fact that the shop offers to replace me with a retail version of the UM2's should my pair ever break within one year of purchase...

My Etymotic ER-4P Review. This review is NOT COMPLETE. My initial impression on the red and blue er4p The first time I saw the er4p on the net, while reading up on in ear monitors, I thought that they were “crappy, cheap looking ****.”, seriously. I was convinced that I was not ever...