![]() ![]() It's a single construction steel frame with 2 layer mesh (R-F-T was 3) and a slightly elongated front opening to better position the capsule. Keep in mind that all changes were made for sonic or mechanical improvement. Sorry if this gets a little technical, it's hard to avoid. Here’s an overview of the improvements of the Alchemy Series from where we left off with the R-F-T Series. ![]() Interested in the TF47- how does it differ soundwise to the AK47? Are the new versions considered a straight improvement of sound, or just different/a variation? I owned an AR51 for a time, and it was a pretty classy mic on a few singers I recorded (albeit too bright for my own personal vocals, so I sold it). JamesCool, I’m glad that they’ve seen some upgrades or modifications. TF51 has the same CK12-style capsule as the AR-51.Īll are built in our South Windsor, CT, USA facility, just like RFT.” TF47 has a K47-style capsule, not used in any RFT mics. TF39 has a dual membrane version of the TF29 capsule. “TF29 has the same single membrane capsule as the CU-29. I love the 260’s and could be interested in the tf51, but at the price I’d have to know more about what’s different from the RFT. I’m not looking for disclosure of proprietary info, but it’d be nice to know how these mics are different from the RFT series. Additionally, tele hasn’t really said what these tweeks are and how they affect the sound. I only know that because I’ve read the other thread from where the below quote originated. JamesThanks for chiming in, but could you please disclose a bit more info on these threads so people don’t assume misinformation?įor example, not all of the mics have new capsules. But why in the holy hell name it after an assault weapon? Stupid. If you have any other questions I'll check back in on this thread, otherwise there is plenty of information on our website. The Copperhead is our unique design, and that lives on in an improved form with the cardioid-only TF29 and the multi-pattern TF39. But, the TF47 and TF51 do borrow heavily from the U47 and 251E respectively, and the sonic similarities are obvious. We do not say they are clones, because they aren't. There is plenty of information about the Alchemy Series and each model on our website: Alchemy Series - TELEFUNKEN Elektroakustik We're very proud of how they all came out and we cannot wait to start shipping. And of course, these microphones are built in our South Windsor, CT, USA facility with all of our other microphones. That includes circuit tweaks, some component/capsule/tube changes, better accessories, an American-assembled power supply, a headgrille redesign, a better case, etc, etc. This was a ground up reevaluation of everything that could be improved with R-F-T we left no stone unturned. Updated January 31, 2013.This is so much more than a simple renaming. Is the target for auto advert insertion -!> Thanks to Frank Philipse for supplying the above PDF datasheet. See also 1957 adverts.Ībsolute Maximum Operating Conditions ¶ Pentode The thin glass tube envelope is 9 mm in diameter and, excluding the B8D base wires, is 36 mm tall. Another application area is as a microphone pre-amplifier built into condenser microphones. As it will maintain its emission when used with long periods operating at cut-off, application in computer circuits are a possible use. ![]() These applications include military equipment and industrial applications. The 5840 was designed for wide band HF amplification under adverse conditions where good reliability is required. It appears to be an updated version of the EF72. The 5840 is the special quality version of the EF732 pentode.
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