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General Lascala questions


Ray_pierrewit

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I've been living and learning with my 1975 Lascalas for the last
month now and I find them... interesting and engaging. They recently
opened WAY up after changing from a 70s Sherwood receiver to the Trends
TA10.1, it's quite promising. Much better seperation and imaging with
less opacity(???). I really hope to have found a speaker that can
follow me around for the next long while.

On that subject, I'd
like to hear from people who have had Lascalas for a long time. How
long have you had them? What kind of amps/sources have they outlasted?
What mods have been done to make them better or more attractive
(I've seen a few veneer jobs that are amazing)?

Also, I'd like
opinions on placement, more specifically the distance between the back
wall and the speakers. I'm still experimenting with their placement,
for the moment they are roughly 24" from the back wall and I find that
bass might be a bit compromised at that distance. What have you guys
found is a good distance to maximise soundstage and bass? Toe-in or not
(they are center to center 8' apart from one another and the listening
chair is equivalent)? Hockey pucks or 2x4s wrapped in a towel or
anything underneath? I know these are all rather subjective but I'd
like to hear from experts who have lived with them for a long time,
maybe find some short cuts...

Thanks for any imput,

dna

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That means you and your speakers form an equilateral triangle, with the speakers 60 degrees apart, which is a good starting point for stereo imaging. Are they roughly equal distances from the side walls?

As for toeing in, having the speakers face you directly, so you're on-axis, gives good sound in most rooms. I use a laser level to aim the speakers, which saves a lot of measuring and running back and forth.

After some experimenting, I placed my La Scalas fairly close to the front wall. They're angled toward the listening position, so the inner corners are nearest to the front wall, about 5" away, while the outer corners are about 15" away. Placing them closer to the wall than that gave uneven bass response, while moving them further out into the room gave no improvement, but did take up lots more space.

You won't get really deep bass with La Scalas, so most owners add a sub. A La Scala and sub combination can sound really good.

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The little Trends guy is a good sounding amp.

First priority I'd suggest is to get fresh caps in your crossovers. After thirty plus years, they are off spec. You will be amazed at the sound returned, essentially, to factory spec. Doesn't cost much to accomplish either.

IMO that's the single most important and cost effective improvement you can make

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How are they braced. Looking at a pic of the LaScala II

I think they braced them by making them out of 1" MDF instead of 3/4" plywood. I've been told (by Jim Hunter, among others) that if you can tame the sidewalls from resonating your LaScalas will sound more like the LaScala II's (go deeper).

I've owned a pair of them since 1979 and it took about 3 nanoseconds to tell the difference the stiffer sidewalls made (it's a good difference). You can evidently, brace them by adding little wedges in the mouth, between the cone & sidewalls or maybe you could glue/screw another panel on the outside of them if you are not worried about asthetics.

There are some pictures here of the wedges but I'm not sure where

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