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AC701 tubes are now selling for $2,750 ea?
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elambo
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#1
13th January 2011
Old 13th January 2011
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AC701 tubes are now selling for $2,750 ea?

Is this really the going rate for an unused Telefunken AC701?
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13th January 2011
Old 13th January 2011
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elambo
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13th January 2011
Old 13th January 2011
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That's the old price and they've been sold out for a looong time.

And we're talking unused here - not used and de-soldered.
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elambo
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13th January 2011
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Klaus Heyne posted this on his forum only a few days ago:

"I know of a few European collectors who each sit on excess of 1000 AC701."

If that's true, and they're asking $2,750 with a straight face, then they're holding back their stock and creating an astronomical artificial value for this tube.

Rare? Expensive? If we're understanding Klaus correctly, it's all merely hype.
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13th January 2011
Old 13th January 2011
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elambo
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13th January 2011
Old 13th January 2011
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#7
13th January 2011
Old 13th January 2011
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I think its like $700
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13th January 2011
Old 13th January 2011
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Much like metals and commodities during times of fiat value nose-dives:
Old NOS vacuum tubes will only go UP in price from here.
They are not making any more and the ones they have made will be slowly
consumed and used, therefore making current stocks rise in price as supplies dwindle.
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13th January 2011
Old 13th January 2011
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Nope, $2500 is not the price.

Just buy in DE for $100. I know a place that has upwards of 500 NOS AC701K.

No big deal.
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elambo
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13th January 2011
Old 13th January 2011
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Quote:
Originally Posted by Stitch333 View Post
They are not making any more and the ones they have made will be slowly
consumed and used, therefore making current stocks rise in price as supplies dwindle.
Unless Oscar fires up his equipment and starts rolling out AC701s, which I'm sure he will do once the supply tappers off.
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13th January 2011
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Quote:
Originally Posted by elambo View Post
Unless Oscar fires up his equipment and starts rolling out AC701s, which I'm sure he will do once the supply tappers off.
If its anything like the "WE 408 in the VF14 case" trick,
the originals will double in value when these come to market...

I've heard stories of original filament material being sourced, but
I'm skeptical that there will be anything sonically close, if at all, made.
elambo
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13th January 2011
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There's no shortage of AC701 fakes.
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13th January 2011
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salomonander is offline
i dont know where you guys are buying your tubes. but i bought a matched pair for 400 euro two days ago. tested and NOS. you might want to ask some nice german repair guys and not the crazy vintage ripp off tube dealers in the states....
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14th January 2011
Old 14th January 2011
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Quote:
Originally Posted by Plush View Post
Nope, $2500 is not the price.

Just buy in DE for $100. I know a place that has upwards of 500 NOS AC701K.

No big deal.
no...its not that cheap im afraid. most of them are not usable for mics. so you need to get them tested by someone who knows about the right SN ratios. obviously they get a little more expensive once tested and selected....but the 2 grand figure is way off. around 300 euro is a normal price right now...
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16th January 2011
Old 16th January 2011
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in case there is still any question, I confirmed with the seller that the $2750 is for 4 tubes.
elambo
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16th January 2011
Old 16th January 2011
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Quote:
Originally Posted by Piedpiper View Post
in case there is still any question, I confirmed with the seller that the $2750 is for 4 tubes.
Which makes the price-per-tube typical, assuming they're good tubes.

After hearing that several thousands of these tubes still exist I've decided to pass, for now.
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16th January 2011
Old 16th January 2011
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yup. Although $700 may be typical, they seem to be available for significantly less, although QC is always a question...
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17th January 2011
Old 17th January 2011
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Quote:
Originally Posted by Piedpiper View Post
yup. Although $700 may be typical, they seem to be available for significantly less, although QC is always a question...
True. There are two tiers: a) acceptable quality for recording, b) not acceptable quality for recording. There seems to be no shortage of 701s which were originally discarded, but are now being sold as "b" and they might not tell you that up front.
elambo
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3rd March 2011
Old 3rd March 2011
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Thanks but because there are so many of these around the world, and because they seem to last a long time, and because mine are showing no signs of wear (knock on wood) I've decided to pass on the purchase. But if one starts to fade I'll again start looking.
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3rd March 2011
Old 3rd March 2011
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I paid $500 one year ago, for your info.
elambo
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4th March 2011
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I've discovered that great deals can be had.
#22
8th April 2011
Old 8th April 2011
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Electrosurplus is offline
no longer for sale (was AC701 NIB, NOS)

Last edited by Electrosurplus; 26th April 2011 at 12:51 PM.. Reason: removed the offer on AC701
#23
1st January 2014
Old 1st January 2014
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rmburrow is offline
AC701's are going like the Schoeps M221...I am looking for a M221 but refuse to pay inflated price...
Email or write Eurotubes (Eurotubes - Vacuum Tubes by JJ Electronic - ECC83, 12AX7, 6L6. 6L6GC, EL84, EL34, KT77, KT66, KT88) or JJ Electronic (www.jjelectronic.com)...JJ Electronic could probably build the AC701 if they become aware there is a market for this tube even if they charge $100 a pop for them. I ordered two EF806s tubes from them for U67's...they just arrived so I haven't tested them yet.

Make certain the AC701 heater is set for 3.8 to 3.9 volts (dc) at the mic. Test (by substitution) resistors, etc. before blaming the AC701. The AC701 is too expensive to blame before checking the other components first.

The only other alternative is to NEATLY and REVERSIBLY mod the mic for a 7586 nuvistor or a 5703 submini. You then have to mark power supplies so they never get interchanged with AC701 mics.
#24
1st January 2014
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Which is exactly why I bought a U67 (with ubiquitous EF86 tube) and not an M269. A couple AC701 tubes & you've bought a new microphone! A mildly out of spec 50 yr old power supply voltage & you shorten the life of those exorbitant tubes. No thanks. I'll just add some high-frequency air-band back to my U67 with an EQ.
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#25
2nd January 2014
Old 2nd January 2014
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salomonander is offline
yes its really bad with ac701s... hardly any supply. and the little stock that is still around is mostly tubes rejected by neumann and hardly usable. argh....
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