EF12 TUBE PDF

June 17, 2020 0 Comments

Buy EF12 vacuum tubes online, in stock and ready to ship! Find reviews, data sheets and specs to upgrade your tube amplifier. The EF12 is a pentode designed for RF or IF amplification at HF or MF. The wide metal tube envelope is 36 mm in diameter, and excluding the footless base . I found one blurry schematic for use with an EF12 tube, of which I have a a cleaner/readable copy of the EF12 schematic, validation that this.

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Started by sismofyt The Lab. Started by chefducuisine The Lab. Started by jeremycox The Lab. This is my first post here– sorry to dive right in with questions, but I do promise to stick around. Before my membership was approved, I lurked for a long time and I’ve read many wonderful threads here, using the search function, about DIY Ualike microphones.

Great forum you have here. Sredna Member Berlin, Germany Posts: January 05, I’m a member over there as well. Klaus runs a pretty tight ship, and is pretty passionate about having the discourse be ‘meaningful.

Peluso Microphone Grade Vacuum Tubes

I found this thread which has some good info. Ribbon microphone services http: Biasrocks on January 05, You even did the badge??

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MagnetoSound on January 05, We should all have our own logos and badges, IMO. Which tube is that again? Did you have a chance to compare it in a ‘shoodoud ziduation’? Very likely it’s also JAN like in Max’s kit, and the resistor looks like 3.

I have a load but have never really tested them properly in a mic. On the ‘to do in ‘ list. This is what I’m working with right now, so far. It’s the only part I have.

I got a pretty good buy on it, NOS, and I’ve been wanting to build a mic anyway. I’ve done a fair amount of reading, and everyone has a passionate opinion about tubes to use in “U47 Inspired” mics. I use the word “Inspired” because some people get extremely offended at the notion that a microphone without the VF could even be called a “U I don’t have enough personal experience to have a genuine opinion either way. However, the EF12 is or at least was at one time the “2nd place” tube of choice for Wagner and Grosser, according to what I read on the internet.

So I figured I’d go that tuge, as those two make nice mics. I certainly cannot afford a real VF I’ve built a couple of mics before, but not from scratch. I put together two of the “Royer mod” MXLs and they came out really really nice.

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So I’m not a total “rookie” ef1 I do view this project as a “probable learning experience. Thanks again for the links above. Hi there, For what i know of the ef12 in a u47, it has a reduced sensitivity and diferent heaters voltage. I preferred the EF12 slightly.

It sounded more “hi-fi” – which is a bad way to describe a microphone I think, but it is the world that comes to mind. Voltages are tuve its true.

Yes, the guys at Flea decribed the ef12 as being a litlle less agressive than the ef14 so more hi-fi is probably the best definition. I’m just hoping to end up with a good-sounding microphone.

Canon Extension Tube EF 12 II A B&H Photo Video

Sounding ‘exactly’ like a ‘real’ U47 is of secondary importance to me; however, I’d like to end up in that “zone. Gus Member NJ Posts: Nice odd looking EF12 tube mic on german ebay. June 27, May 03, May 10, July 07, ,