henry4841

El-34 tubes are my favorites as well. Right now I am using 6L6 tubes in two of my amplifiers which use the EL-34 family of tubes. The KT-88 is supposed to have better bass and I am using them in an amplifier specifically made for KT-88's but do not find a lot of difference in sound form the EL-34 or 6L6 tubes. No experience with the 150's but as Shu said more power that is really not needed for most with horns.

As you probably know this subject is very subjective but if you do some reading you can get an idea of what sellers have to say here. In there search engine you have to hit enter to do a search. https://www.tubesandmore.com/products/vacuum_tubes

All of the above. Lucky guy to be able to hear the magic of a 300B.

I love looking at all these different tube amplifiers. Just like art to my eyes. Keep them coming.

I can agree with that statement when comparing speakers in an A/B situation unless one is just awful and one sounds a lot better. But let's get real guys, most can remember sounds like they do sight. If not how does one tell the name of a song from just a few notes.Then there are those that can tell a positive wave 2nd harmonic from a negative wave 2nd harmonic. If short sound memory how does one do that? This discussion is going nowhere and I will agree there are some that do not hear or remember much of anything. On that I think we can agree.

One thing is peoples voice changes with age so the voice you remember is not the one you hear now.

Is this something you know or something you have read? If entirely true no one would remember a loved ones voice years later. Just saying not to disagree with anyone. Certainly hard to do comparing different equipment if not done quickly but one does have a sound memory.

Leaky capacitors should be replaced. I am going to guess and say you have the big can capacitors. If so why not replace them with same type which are motor run capacitors readily available that are used in refrigeration. Just be sure and get motor run and not motor start. Then there are many options and brands to choose from at PartsExpress. https://www.parts-express.com/speaker-components/crossover-components/crossover-capacitors/metalized-polypropylene-crossover-capacitors

More post about replacing capacitors then those that say not to. Not my opinion just fact. Perhaps you need to do some research before saying just my opinion.

Just repeating what other technicians that restore audio equipment have said. And this is from technitions that know and understand what they are doing.

There are many phenolic drivers available for those that like to experiment in sound to purchase. Not that expensive to try and such an easy swap. https://www.parts-express.com/speaker-components/pro-woofers-tweeters-horns-horn-drivers/horn-drivers

If you are happy with sound why? You many not like the sound after capacitor change but then you may. Crap shoot. Most on this forum think it necessary which I believe comes from being told so by those that sell crossovers and caps on this forum. Lots of stories of unhappy campers after doing so but many that are happier after change. In my opinion changing caps just creates a different sound just like different new caps can and do sound different form each other. Most restorers of 50 year old electronic equipment that I know just change the electrolytics and many of the restorers do not believe in changing all of them. The thought being you will change the character of the original sound.

It depends on the speaker being used and does vary from one to another. What I meant is you make an amplifier with a damping factor of 100 when the woofer is well controlled with 20 the extra 80 will not be noticed.

Probably necessary with limited heat sinking. Fan cheaper then heatsink.

I would expect the wattage to be over rated being no real specifications listed. But for those on a budget or who have fell on hard times with Klipsch speakers and present amplifier has issues it might be a good one to consider. For many it would be good enough but I would not expect it to be around a few years down the road. A decade ago I was in that situation and bought a $100 receiver to tide me over till better times came around. Here it is 11 years later and I now have more amplifiers then I can count.

I have not been following this thread and have not read the whole thing either and yes 12 grand is a lot of money for some people including myself. It does sound like buyer remorse. I bought my LaScala's new many years ago for retail price and in today's dollar it would be much the same as the price you paid. For years after I bought them they too were selling for a 1/3rd the price I paid. But now on the used market they are selling for as much or more than I paid for them. Klipsch heritage speakers are in investment. Much like a car they do depreciate but as you stated on your first page you did not want to buy on the used market. There is always some hype promoting a new line in anything but I doubt there is a significant difference in the sound from the previous version you could have bought used. All said the first generation LaScala sounds excellent and this is not saying there has been improvements. You could have saved money buying used but you want the newest and best and one has to pay the price for wanting that. Just the way things are.

If designed properly should not matter. Both do the same thing. If either one is not designed properly one might hear a swishing sound from the vent if too small an opening.

Personally I would not sweet it too much. No one but yourself will ever notice. Supposedly book matched is something Klipsch just started a few years ago. Shipping back and taking luck on new ones received without damage to me would be a worse situation. Miss the days when one just went to store and bought speakers in stock.

I agree using Crites. Son has probably been running the show for a number of years. That being said if you like the sound of your speakers now why try and fix something that is not broken? Film caps last much longer than most think. Sure you could test them and the the spec's may be off some but what one measures and what one hears are two different things. Testing is just a tool, not the final word. If you decide to replace caps be sure and save your old ones just in case.

Sounds like you made some excellent choices. From everything I have read the Forte 1V's are a perfect choice in sound for size. Most have to keep the boss of the house happy and let's face it the K'horns, LaScala's, and Cornwalls do not fit most women's décor.

This is your friend, https://www.diyaudioandvideo.com/

If I am not mistaken ClaudeJ has both the N-core and the TPA3255. Maybe in the future he can do a comparison and give his opinion.

This guy at the 7 minute mark talks about some amplifiers you might want to consider.

Damping factor determines how the amp controls the bass speaker. After a certain amount any more will not be be noticeable.

Nothing wrong with experimenting changing taps and listen to what you like best. What you like is all that really matters. Use ears instead of brain.