Recreating a microphone like the U67 takes some serious stones, and Wunder Audio is more than equipped to do it. More information coming soon...but our sources tell us that this is the 67-alike that everyone's been waiting for.
Seductively simple, the Wunder CM67 offers the presence you’d expect from Wunder Audio underpinned by the latest technology and ideas in PSU design. The K67 capsule, which since 1960 has become the most common and most copied condenser capsule in the world, utilizes a two-piece backplate, allowing the diaphragms to be tuned individually and then matched for equivalent response.
The tube is a vintage Telefunken EF86, a pentode wired into this circuit as a triode. It uses a 6.3V filament voltage, and is wired to the PCB via a Teflon socket.
The transformer in the CM67 is somewhat unique. It makes use of an elaborate feedback network known as a tertiary winding, which creates negative feedback through the capsule to the tube for its HF de-emphasis. It creates a roll-off in the HF response in order to compensate for the natural HF peak due to the original design of the K67 capsule.
It takes a very special transformer to accomplish this task while simultaneously achieving such an impressive sound. Some U67 recreations offer a quick fix to simulate the sound of the original, but most of the modifications that attenuate the top end achieve a less than desirable result. This is not exactly a good trade-off.
The CM67 is perfect for vocals where a smoother sound is desired as the 67s are prized for their “warmth.” The CM67 is also a terrific all-purpose microphone, as it works exceedingly well in a close-mic situation. The CM67 is excellent for drums (kick, snare, overheads, room) and guitar amp mics. Because it has a very nice top and bottom, and being very natural in the way it brings out the best from any source, the CM67 is a serious pro studio workhorse.
Designed without compromise, Wunder Audio’s new tube microphone Power Supply Unit is the result of complete creative and engineering freedom. Its proprietary design features a high voltage path that runs constant current and balances constant current against a shunt regulator. The result is a completely clean voltage to the microphone free of any RF interference.
The CM67 is supplied with its dedicated Power Supply Unit, shock mount, Tuchel microphone cable and quarter sawn oak case.
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