Main Stream - Master Class Dynamic Parallel AC Line Conditioner

I purchased the duo and initially had to wait around three weeks for delivery due to component supply issues in their warehouse
Notwithstanding, Mark went out of his way to keep me informed of progress all the way until they arrived on my door step in Adelaide Australia
I plugged the Snubway into the wall socket and the Mainstream into the first socket on my power board - both have been working for just over a week now but I have not yet finished installing my hi-fi system so can’t comment at this stage regarding that However, my flat screen TV is on that board and I have noticed a significant improvement in the sound quality now that the units have had a chance to “burn in”
Once I’ve finished the hi-fi installation I will report again on how it goes
In the meantime I really must commend Mark for his top line service and attention to my needs
The many 5 star reviews are well deserved given my experience so far

There are two dedicated lines supplying power to my stereo. Each line has a Core Technologies power conditioner. I added a Main Stream to one line and a Snubway to the other. After two weeks of burn -in I can say with confidence that the results are positive and pronounced. There is more space around instruments and voices. The sound stage is deeper and wider. Most importantly to me is the entire presentation is more clear and focused. Best $600 I've spent on this rig!

Improvements were immediately noticeable. I haven't paid enough attention to whether they improved further in time.
What the mainstream did: a feeling of more power behind everything, especially noticeable in the bass and impact of drums. It feels correct and better, not just different, and the improvement is pretty significant.
What the snubway did: a more subtle improvement. First thing I noticed is a more accurate location of sounds. In general there's more subtle detail.
For context, I do have a computer with a switching power supply on the same group that I use to play music. Other than that it's only audio devices with lineair power supplies. I use the snubway to protect those, and use the mainstream for everthing. I did a few tests with positioning and this seems to work best. Mainstream: directly in a wall socket. Snubway: in the power distributor for audio devices.

I’ve had unit installed about 4 weeks now and really happy.

They are as effective in lowering noise and revealing detail as the many I have tried in the past. However, they are making a little additional magic that no other plug-ins could provide. Music flows with ease and smoothness, but it is more than that. The PRaT was at its best playing from all my sources, and the music became more engaging. I also noticed the soundstage and instrument separation turned better and became more believable.

Didn't think the Main Stream would make a positive difference since I live in the boonies, with no neighbors. My home has a dedicated transformer on the utility pole. I was wrong. The Main Stream improved detail and the instruments have more color. Thankfully it doesn't decrease dynamics. Highly recommended.

The delivery was done a long time ago, but due to the internet line at home being down, I was only able to set it up and test it today. It’s truly impressive. It feels like the sound has come alive. I can’t believe how much of a difference this one thing can make.

Back in my audio years (70's 80's and 90's) no one talked about AC line filtering. We sold a "power conditioner" from Monster Cable but all it really did was compress the music! I don't think anyone really knew anything about what was on the AC line and how it affected a system's sound quality. But back then, customers balked when we suggested that they upgrade to a 12 gauge power cord for an extra $45!

I have auditioned a few of your competitor's products and while they did "something" none of them made as big a difference as your two filters. You have every right to be proud of your products as they really make a significant difference. I wish you every success in marketing your filters in a field that is crowded with voodoo clones some of which selling at stupidly high prices!

Using it in 2 systems, paired with the Snubway. In both systems, a 2.1 and an 11.2 Home Theatre, I’m getting more dynamic music and soundtracks, with dead silent backgrounds. Brighter, cleaner, and immensely enjoyable.

I used this in conjunction with the snub way noise defender. Bass is fuller, treble is sweeter and instrument separation is enhanced. Overall a noticeable improvement in all aspects of sound quality. My system is: Zu Audio DW6 superfly speakers, HiFi Rose RA 280 amp, Denon DCD1700 ne CD player, Eversolo DMP A6 streamer, Schitt Jotunheim II headphone amp and Audio Technica ath WP-900 headphones. Cables/interconnects are Zu Audio Mission II's.