“The Brimar CV4004″s in my Marshall 50watt master volume are to say the least,sweet”
“The Brimar CV4004 is a classic British sounding valve. Refined and well balanced and does every thing it should very well. ” Read
Tube Maze
Guides and reviews of vacuum tubes and audio equipment
The Brimar CV4004 is a rare gem from a brand that, while often overlooked in favor of names like Mullard, proves itself to be a top-tier contender in the vacuum tube world. This specific 12AX7 variant offers a superbly transparent sound profile that rivals the best, though it approaches clarity from a unique angle. Unlike the famous Telefunken “air,” the Brimar maintains a more grounded and balanced presentation, creating a listening experience akin to looking through a perfectly clean, open window.
Throughout my testing, the level of detail was through the roof across every genre, pulling nuances out of the recording with startling precision. Prospective buyers should note that this high-definition performance can be a double-edged sword, in certain setups, the sheer amount of information can lean toward harshness, particularly in the upper registers.
Final Verdict: An exceptional choice for listeners seeking unrivaled clarity and balance, provided their system can handle a very revealing top end.