Acoustic Guitar magazine did a review of these a while back. They have a Seagull S6 which they keep around the office as a benchmark for comparison with similar acoustics. The upshot of the review was that the AG reviewer was of the opinion that the Power Pins 2.0 install improved the sound of the Seagull. I have a 1994 Seagull S12 (12 string). I've had it since around 2002. My Seagull S6 was stolen and I found the S12 in a pawn shop for 1/3 of the price of a new one. It has a cedar top and laminated wild cherry back and sides. Last year, I bought a set of StewMac nut files and a blank bone nut and made a nut for a six string guitar. Imo, the cedar-topped Seagull is not as bright as my Yamaha which has a spruce top and laminated back and sides. But, hey, that's just me; other factors may be in play here as well. I'm the last guy you want to ask for advice or opinions on acoustics, lol. I also have a Gibson J45, a 1994 Tacoma DM10-E, and a new Simon & Patrick Showcase dreadnought. Not surprisingly, compared to these guitars, the Seagull doesn't come close. Even taking this into account though, the Seagull sounded a little dead. A few days ago, I installed the Power Pins 2.0 after removing the strings. It's pretty straightforward. There are a couple of videos on YT. I put on a new set of strings: Martin Marquis M2000 Phosphor Bronze Extra Light 10s (0.10"-0.47"). My conclusions? Waaay brighter sound and more sustain. Bear in mind though that this is just my opinion and that of a 70 year old guy with some hearing loss at certain frequencies. Hmmm (mumbles to self), "Maybe I have too much time on my hands. Naaah!" I took a few photos with my iPhone.