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By admin on September 10, 2020 0 Comments

The other drive diaphram that can play loud looks good. I have taken both apart and the driver that is not loud has finger marks on the diaphram and it is also off set to one side. Could not find the spec sheet for the NE, not I could find them on the web. Due to their unknown history and unequal playing levels i would again stress re-charging the magnets in these drivers before optimum performance should be expected from them. Yes, my password is: I used the Altec “Bridged-T” filter in a prototype for another design just last week.

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I used the Altec “Bridged-T” filter in a prototype for another design just last week. EarlKMay 10, Gang-TwangerMay 7, Sawdust is my co-pilot. The obvious tilt of the voice-coil “off-of-perpendicular” shown in 802dd above picture just about guarantees that this diaphragm is rubbing within the gap which helps explain its lower output.

Altec D | Audiokarma Home Audio Stereo Discussion Forums

Yes, my password is: You should model your network on one of Altecs that are known to work with the components you have. If the is 16 ohm you will probably have to build your own crossover. I am considering buying a tim rawson gainclone as they are fairly cheap and could always use it in a different system if ever i’m not completely satisfied, but it would be nice to know the sensitivity and recommended power before I make a move.


All times are GMT Altec’s crossovers in those dark days were fairly straight forward 2nd order units if I remember correctly. Hanging from the porch of the ranch house, they’d make a worthy dinner bell to call the hands, but firmly secured, that’s what the holes are for, resonances are minimal. HiFiCanadaMay 7, Hopefully the diaphragm is an Altec phragm, I’ve run into too many that are cheapo aftermarkets that aren’t any good. Share This Page Tweet.

Originally Posted by Ed Kreamer.

I had a friend who later built the Altec using 2 ‘s ans the Hf driver rather than the ‘s. The d I don’t know. I just noticed in your last post that the efficiency was for a limited bandwidth so I guess I wont be able to rely on a SPL meter to make sure I don’t damage the drivers if I am to use them with live music, right? I wired mine this way for 16 ohms and bi-ampit works, but is this okay?

Call GPA for a quote on remagging and installing new phragms, you might be pleasantly surprised, you might also inquire about current price, and the new re-release of the alnico G and it’s price.

Here’s a similar thread for reference! Altec Adiaphrams mine.

Overdriving alnico magnet-ed drivers will make them lose some of their charge. I think they are suppose to be on the, side were it mounts on the horn, but both are D’s, the other one has the the screen on the horn side and in good conditon.


A partial refundenought to cover replacing the diaphrams in both would make me happy, I guess that’s as much as I can expect right now. I will need to send them to GPA, as they will need to remove the magnet and wipe it and the housing clean. No, create an account now. Sofor all 16 ohm components you pretty much are stuck with copying the NF with an additional HF contour circuit if the stock network doesn’t have enough HF to suit your taste.

Altec 802D

Is this type of diaphram any good for hi-fi? EarlKMay 13, Oh one more thing, be sure 802e bolt the to some wood to dampen the ringing. Originally Posted by Earl K.

But it will still cost me as I can not get out the steel screen particals, the magnet is to strong, I have tryed high presure air and sticky tape. HiFiCanadaMay 15, The time now is