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KLH 17 - specs and dimensions?

drabina

AK Subscriber
Subscriber
Does anybody have specs and dimensions for the KLH 17 speakers?

Also, how do they compare to EPI 100s?
 
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Thanks for the info and link.

I was also thinking of reusing the KLH cabinets and put my EPI drivers in them as the EPI cabinets are in very bad shape. Looks like the woofer on both are 8" and tweeters are similar in size. As far as I know the only difference is volume but EPI would benefit from a bigger volume cabinet. The only problem is WAF as my wife already complains that the EPIs are big.
 
I have owned four sets of EPI 100's and three sets of Large Advents and sold them all. But my one and only set of KLH 17's remain. I have them paired with a set of Model 30's, and it's a perfect match. EPI's are very good speakers, and you certainly won't go wrong with them. I just happen to like the KLH sound better. BTW, the Model 17 has 10-inch woofers, so your EPI's won't fit unless you modify the cutouts.
 
BTW, the Model 17 has 10-inch woofers, so your EPI's won't fit unless you modify the cutouts.
I guess I will not be buying KLHs then. I still have Thiel Model 01 with 10" woofer and I am still torn between EPIs and Thiels. For now EPIs are connected to the stereo as the cabinets are smaller. Wish I could keep them all :-)
 
I guess I will not be buying KLHs then. I still have Thiel Model 01 with 10" woofer and I am still torn between EPIs and Thiels. For now EPIs are connected to the stereo as the cabinets are smaller. Wish I could keep them all :-)

I dunno, Model Seventeens can be had for not much money. I just paid $20 for a pair with dead tweets. Problem solved with $4 worth of caps from a local electronics store. About 2 years ago I bought a pair for $2 in working condition, trashed grilles and medium rough but restorable cabinets.

If you can find a cheap pair, slap some caps in 'em and see whether you like them. If you don't there's always a buyer for them.

John
 
I have owned four sets of EPI 100's and three sets of Large Advents and sold them all. But my one and only set of KLH 17's remain. I have them paired with a set of Model 30's, and it's a perfect match. EPI's are very good speakers, and you certainly won't go wrong with them. I just happen to like the KLH sound better. BTW, the Model 17 has 10-inch woofers, so your EPI's won't fit unless you modify the cutouts.

Shhhh! Ixnay on the irtiesthay! KLH's best kept secret! ;)

John
 
I dunno, Model Seventeens can be had for not much money. I just paid $20 for a pair with dead tweets. Problem solved with $4 worth of caps from a local electronics store. About 2 years ago I bought a pair for $2 in working condition, trashed grilles and medium rough but restorable cabinets.

If you can find a cheap pair, slap some caps in 'em and see whether you like them. If you don't there's always a buyer for them.

John

I would like to know how $4 worth of caps can solve the problem of dead tweeters.
 
I would like to know how $4 worth of caps can solve the problem of dead tweeters.

Easy, particularly when "dead tweeters" refers to a speaker where the tweeters produce no sound. Most times the problem with no sound from the tweeters on vintage speakers are that the caps are bad. I've bought many a pair of vintage speakers that had "dead tweeters." After a simple recap the tweeters come back to life.

KLH speakers are notorious for having bad caps. I've brought several pairs back to life just by recapping. Add some new dope to the woofer surrounds and the speakers sound great.
 
I would like to know how $4 worth of caps can solve the problem of dead tweeters.
I found a pair of 17s at a local GW that were in nearly pristine shape. Re-doping the surround (could see the threads) and putting new capacitors in it made a world of difference in how they sound. My work room speakers, often listen to them up close, maybe 3 ft if I am working on something on the 3x5' work table, a foot or two farther back if I am using the computer on the other side of the room. It is a cozy workroom.

I picked up a pair of Advent Baby IIs highs were dead. Rotted foam so I re-foamed them. Listening to them afterward noticed they were lacking in the highs. They used electrolytics and I had left the system running apparently the electrolytic caps reformed their films and the highs came in. Put some new caps in them and they were even better.
 
Easy, particularly when "dead tweeters" refers to a speaker where the tweeters produce no sound. Most times the problem with no sound from the tweeters on vintage speakers are that the caps are bad. I've bought many a pair of vintage speakers that had "dead tweeters." After a simple recap the tweeters come back to life.

KLH speakers are notorious for having bad caps. I've brought several pairs back to life just by recapping. Add some new dope to the woofer surrounds and the speakers sound great.

Actually, my post was slightly sarcastic because no amount of caps will revive a truly "dead" tweeter.

What is the proper way to dope the surround?
 
The proper method is to clean off the dust and crap from the old surround, either by brushing it away or with acetone, and then applying a coat or two of the new sealant with a brush. Give it some time to settle (a couple hours? a day?), and then hook 'em back up. Don't expect a 100% airtight seal unless you've tackled the foam/putty gasketing behind the woofer and tightened every screw, but it should at least return slower than it did before the reseal.
 
The proper method is to clean off the dust and crap from the old surround, either by brushing it away or with acetone, and then applying a coat or two of the new sealant with a brush. Give it some time to settle (a couple hours? a day?), and then hook 'em back up. Don't expect a 100% airtight seal unless you've tackled the foam/putty gasketing behind the woofer and tightened every screw, but it should at least return slower than it did before the reseal.

What is/are examples of "the new sealant"?
 
This is the only stuff to use, anything else will destroy the surrounds. Roy C, a member here, makes it. Contact him for details, he can sell it to you directly. Screenshot_20201023-102001_eBay.jpg
 
17's are an older design and like many Kloss speakers of the period, tend to have a sweeter, more forgiving (and highly musical) sound. The 'air spring' tweeter of vintage EPI's had a stronger, more balanced high end. I've owned both and an assortment of Advents and in terms of accuracy I would say a properly functioning 100 might be best. The Large Advent will have better bass, particularly doubled up. Of them all tho, I tend to like vintage KLH best (17's, 6's, 23's). Then Again I prefer to listen to music rather than speakers- somehow Henry's early designs seem to let me do that more easily than most.
 
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