Nov 18, 2025 · DIY (Do it yourself): Cabinetry, speakers, subwoofers, crossovers, measurements. Jon and Thomas have probably designed and built as many speakers as any non-professionals. Who are …

Apr 3, 2022 · Quite interesting after cursory reading. They have an alu cone with a 5 kHz breakup and decrease distortion by adding a series notch that has about 45 Ohms impedance at 1650 Hz. Seems …

Sep 15, 2025 · OK, I was just being a little coy yesterday, anyone familiar with recent driver data or tests will recognize the PuriFi PTT8.0x04 woofer SPL plot, and of course the tweeter SPL is my own …

Oct 21, 2020 · The sound with just the input buffer of the Neurochrome adapter board is a bit laid back and less dynamic than with the Neurochrome Universal Buffer, but still with an edge over the Purifi …

Jan 5, 2022 · One of our members, Dhar, shared with me a project he's being working on for a friend- it's a build using a Joseph Crowe designed front baffle for the SB and PuriFi drivers, with a waveguide …

Jun 24, 2024 · Hi. I am looking for recommendations to complete my new system. I need a Dac new or used under $1500. Preamp is a used vac cla-1 mk3, amp is vtv purifi stero amp, speakers are EFE …

Mar 26, 2023 · Hmmm, looks like we'll need to do a comprehensive data sheet review... At the same time, I started looking at AMT style drivers for the tweeters, and was hearing things about B&G …

Nov 5, 2023 · Erin's review is interesting- it confirms my impression that the 4" PuriFi's are a bit of an odd duck, yet quite high performance in some characteristics. For a 4 ohm driver of this type, the …

Jun 14, 2024 · A good example was the PuriFi 8". I would caution you about the Cartesian Mid120. It has some attractive characteristics, but some raise concerns in my mind for the intended application. …

Nov 22, 2025 · For the connoisseur of fine audio. Whether 2 channel or multichannel format, solid state or tube electronics, discuss it here. Also, hardware related SACD, DVD Audio, vinyl, high end …