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 …

Sep 24, 2019 · A new Danish company, founded by Bruno Putzeys, Lars Risbo, and Peter Lyngdorf will be making its first public presentation to the industry in Munich 9-12 May, …

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 …

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 …

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, …

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, …

May 18, 2023 · Just ask firms like PuriFi and BlieSMa for example. And ask me why I bought an Audio Precision APx555. I don't think I've ever seen Troels do a distortion measurement, even …

Jun 6, 2023 · The Purifi looks like a fine driver. Nice to have another well above average stroke 7" midbass with solid engineering. I just see nothing to get me excited about, audibly, from an …

Feb 1, 2023 · The main breakup modes are at 5kHz and 10kHz, and can be surpressed with notch filters (even as described in PuriFi application note) at 5kHz (series, last circuit to …

Dec 10, 2024 · While a bit less expensive than several Purifi drivers of the same diameter, I would have to think the newer Purifis would be a better value. It's diagnostic due to frequency …