jayrosc Posted August 27, 2016 Report Share Posted August 27, 2016 After looking for almost a year I finally found a pair of tweeters for my Alison Fours last month. Lo and behold, I see that another pair was just sold on eBay the other day! When it rains it pours. How someone here got them. They looked mint. Link to comment Share on other sites More sharing options...
newandold Posted August 28, 2016 Report Share Posted August 28, 2016 That's funny how you put it "when it rains it pours" 2 VERY nice pair after an entire year!! So it goes with finding parts for Allison that are not all banged up. Still I keep that EBay search going because you never know.... Bill Link to comment Share on other sites More sharing options...
jayrosc Posted August 28, 2016 Author Report Share Posted August 28, 2016 I'm now looking for 2 tweeters for a pair of Two's I have here. Afraid it will be another several months before the next huge wave of pristine parts rolls in. Link to comment Share on other sites More sharing options...
jayrosc Posted August 28, 2016 Author Report Share Posted August 28, 2016 Gotta admit, I'm looking forward to a set up of the the fours and twos. Link to comment Share on other sites More sharing options...
newandold Posted August 28, 2016 Report Share Posted August 28, 2016 35 minutes ago, jayrosc said: I'm now looking for 2 tweeters for a pair of Two's I have here. Afraid it will be another several months before the next huge wave of pristine parts rolls in. Ha Ha (perfectly stated)?. The right ones will show and when they do you better jump. One option you have that's not ideal but would work is using Allison two way tweeters in the Model Two. Those are ferrofluid cooled while the three way tweeter uses silicone grease. The opposite however (three way Allison in the two way system is a bad move. Could burn out in relative short order. Bill Link to comment Share on other sites More sharing options...
newandold Posted August 28, 2016 Report Share Posted August 28, 2016 41 minutes ago, jayrosc said: Gotta admit, I'm looking forward to a set up of the the fours and twos. Surround? 1 minute ago, newandold said: Ha Ha (perfectly stated)?. The right ones will show and when they do you better jump. One option you have that's not ideal but would work is using Allison two way tweeters in the Model Two. Those are ferrofluid cooled while the three way tweeter uses silicone grease. The opposite however (three way Allison in the two way system is a bad move. Could burn out in relative short order. Bill Link to comment Share on other sites More sharing options...
jayrosc Posted August 28, 2016 Author Report Share Posted August 28, 2016 7 hours ago, newandold said: Surround? Nope. Just want to run them all in a 16 x 26 room to really fill the space with Allison sound. But now that you mention it, these would make a great surround set up if I found a center channel speaker that matched them. Link to comment Share on other sites More sharing options...
newandold Posted August 29, 2016 Report Share Posted August 29, 2016 19 hours ago, jayrosc said: Nope. Just want to run them all in a 16 x 26 room to really fill the space with Allison sound. But now that you mention it, these would make a great surround set up if I found a center channel speaker that matched them. I speak from experience it would be great for sure. I'm running 3 pairs of Allisons in a room with nearly identical dimensions. I must measure again since the setup (at least the speaker placement) has been unchanged except for the center channel for 16 years. Bill Link to comment Share on other sites More sharing options...
BillI Posted August 31, 2016 Report Share Posted August 31, 2016 On 8/28/2016 at 0:27 PM, newandold said: Ha Ha (perfectly stated)?. The right ones will show and when they do you better jump. One option you have that's not ideal but would work is using Allison two way tweeters in the Model Two. Those are ferrofluid cooled while the three way tweeter uses silicone grease. The opposite however (three way Allison in the two way system is a bad move. Could burn out in relative short order. Bill Using the two way tweeters in the Model Two is not ideal because of a different frequency response or because you would need four or because...? Thanks. Link to comment Share on other sites More sharing options...
newandold Posted August 31, 2016 Report Share Posted August 31, 2016 9 hours ago, BillI said: Using the two way tweeters in the Model Two is not ideal because of a different frequency response or because you would need four or because...? Thanks. The ferrofluid two way tweeter has slightly different dampening characteristics and operates with the two way crossover in a broader frequency range normally, so yes but in the two the difference should be minimal. Anyway, 40 years later, choices need to be made with tweeters so tough to find. Some have found an Audax tweeter to be a suitable aftermarket replacement. Check out Madisound.com if you like Bill Link to comment Share on other sites More sharing options...
newandold Posted August 31, 2016 Report Share Posted August 31, 2016 https://www.madisoundspeakerstore.com/sb-acoustics-soft-dome-tweeters/sb-acoustics-sb26stac-c000-4-1-textile-dome-tweeter/ this better perhaps Link to comment Share on other sites More sharing options...
jayrosc Posted August 31, 2016 Author Report Share Posted August 31, 2016 I'm not into throwing some aftermarket Tweeters in these speakers. Those interested should stay tuned. Because if I can't find actual Allison Tweeters then I will sell off the parts of the speakers that I have. I hate to do that, but face it, they really have a special sound, and if the parts from mine can bring back the original sound of others, so be it. Link to comment Share on other sites More sharing options...
newandold Posted August 31, 2016 Report Share Posted August 31, 2016 Yep I'm with you 100 percent on that.....simply reporting what some others have done! Bill Link to comment Share on other sites More sharing options...
jayrosc Posted August 31, 2016 Author Report Share Posted August 31, 2016 13 minutes ago, newandold said: Yep I'm with you 100 percent on that.....simply reporting what some others have done! Bill I know Bill. I guess If I had the resources I would buy some other tweeters just to see how they do. But I'm a purest, for better or worse. Link to comment Share on other sites More sharing options...
JKent Posted September 1, 2016 Report Share Posted September 1, 2016 I faced this problem with a pair of Fours I was working on. I was advised to use these https://www.madisoundspeakerstore.com/audax-soft-dome-tweeters/audax-tw025a2-1-textile-dome-tweeter-4-ohm-by-aac/ Nice tweets, they're used in the Spica TC50 Like you jayrosc, I was fortunate and eventually found some original Allison tweets (I used Fives but they are perfect replacements). But they are few and far between. It's my understanding that all tweeters from 2-way systems are interchangeable although some are front-wired, some are back-wired, some have metal faceplates, some plastic. Same goes for the 3-ways but you should not use a 3-way tweet in a 2-way system. All of that gets a bit murky however because you "can" use a 2-way tweet in a 3-way system and apparently all of the tweets produced by the later Kentucky-based Allison were interchangeable. -Kent Link to comment Share on other sites More sharing options...
jayrosc Posted September 1, 2016 Author Report Share Posted September 1, 2016 9 hours ago, JKent said: I faced this problem with a pair of Fours I was working on. I was advised to use these https://www.madisoundspeakerstore.com/audax-soft-dome-tweeters/audax-tw025a2-1-textile-dome-tweeter-4-ohm-by-aac/ Nice tweets, they're used in the Spica TC50 Like you jayrosc, I was fortunate and eventually found some original Allison tweets (I used Fives but they are perfect replacements). But they are few and far between. It's my understanding that all tweeters from 2-way systems are interchangeable although some are front-wired, some are back-wired, some have metal faceplates, some plastic. Same goes for the 3-ways but you should not use a 3-way tweet in a 2-way system. All of that gets a bit murky however because you "can" use a 2-way tweet in a 3-way system and apparently all of the tweets produced by the later Kentucky-based Allison were interchangeable. -Kent Yeah, from what I've learned doing all the research I could, you have the correct take on this issue. Good news is I actually have one extra tweeter for my pair of Fours, but it's one of the plastic faced ones with the leads wired in the back. Installing it requires a little work on the cabinet to make room for the wires. I "could" put this in the Allison Two along with a 4 ohm resister to cover the other bad one and wait for a tweeter, but I think I'll just wait before doing anything. I'm not reforming the woofers until I solve the tweeter issues. Gotta watch the $ on these. Lets face it, they are almost worthless without those tweets! Link to comment Share on other sites More sharing options...
JKent Posted September 1, 2016 Report Share Posted September 1, 2016 56 minutes ago, jayrosc said: Good news is I actually have one extra tweeter for my pair of Fours, but it's one of the plastic faced ones with the leads wired in the back. Installing it requires a little work on the cabinet to make room for the wires. I had no problem IIRC. Here's a plastic-faced back-wired Allison: Five tweet in the Four cab. I could have left the spring terminals but plugged the holes instead with brass machine screws. The plastic pins on these were meant to keep the plastic grille from being pushed in and damaging the paper center cap (which is why I had to replace the tweets). You need to be a little careful tightening the mounting screws because it is plastic, but it really worked out fine. -Kent Link to comment Share on other sites More sharing options...
jayrosc Posted September 1, 2016 Author Report Share Posted September 1, 2016 I left the brass posts in when I added the same tweeter that you show into my set of Fours. Only issue was I needed to use a 3/8's of an inch drill bit on the cabinet in two places to make room for the spade connections on the back of the "new" tweet. Not a big deal. Once that was done I just cut the wires in the speaker very close to the binding post and attached the tweeters wires with wire nuts. Came out great. I will need to do the same procedure on the Two's. Link to comment Share on other sites More sharing options...
newandold Posted September 1, 2016 Report Share Posted September 1, 2016 1 hour ago, jayrosc said: I left the brass posts in when I added the same tweeter that you show into my set of Fours. Only issue was I needed to use a 3/8's of an inch drill bit on the cabinet in two places to make room for the spade connections on the back of the "new" tweet. Not a big deal. Once that was done I just cut the wires in the speaker very close to the binding post and attached the tweeters wires with wire nuts. Came out great. I will need to do the same procedure on the Two's. I also did this, but with the midrange driver when I had my Allison Ones (same procedure). Amazed how time flies....that was back in 1994. The company was still around, but no more wood bezel mids were forthcoming. When the plastic one with the protective screen arrived, I thought at first they had sent me the wrong part. When I sold the A1s, I took that driver out and replaced it with an original wood bezel that I bought later on. Reason being, the aesthetic match for the IC 20, as a spare. Bill Link to comment Share on other sites More sharing options...
Recommended Posts
Archived
This topic is now archived and is closed to further replies.