Small and Simple
Thanks to @Palidan97 and his amazing Incubus, along with
Jason's support of DYI, I decided to build a 300B amplifier. Parts and a few family issues (all good) delayed completion, at least until now. I wanted to share my impressions of small vs: big. My main system consists of a Freya S into a pair of Vidars, connected to Apogee Duetta Signature Speakers, that I purchased new. Prior to this, was Sumo equipment. The system sounds great, a big lush presentation with plenty of dynamics.
The small system is the 300B amp roughly based on a JC Morrison design, with some changes developed by
Stephanie at Skunkie Designs. This thing is all power supply, with a 12H choke, feeding separate L/R HV supplies. PS and Output transformers are Edcor.
For speakers, I decided on going fullrange, avoiding any form of crossover. Inspired
Pearl Acoustics, I settled on Markaudio Alpair 7.3 drivers, in a 1/4 TL cabinet. (An aside - I contemplated rebuilding the Apogee crossovers; the cost easily exceeded what I spent on the 300B and Drivers)
This 6 Watt system compares surprisingly well with the Apogee's! Although not as dynamic, I'm really enjoying the clarity and detail of the fullrange drivers, bass extension is also very satisfying. After experimenting with dacron damping (the speakers are very well braced), I ended up placing them further back than shown in the photo, the drivers very close to the Apogee tweeter ribbons - seems to be the room's sweet spot.
A couple of curious neighbors stopped by last evening while I was listening to the 300B, both wondered what the "little speakers sounded like"! Looking forward driving these with a Gj as well.......