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A question for you band or pro audio guys?


playntheblues

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Well, I can identify with the lust for tubes, but really the only reasonably affordable quality you'll find in this is to buy a decent small format mixer. As djk stated, there are vintage channel strips around. I've got a Ward Beck strip in a box, just waiting for me do something about it.

But still, if you don't want to spend too much & keep it simple, get something like an Allen&Heath PA12, which are really flexible and sound fantastic for the money. I much prefer them to similar Mackies. Then just patch in the tube power amps of your choice.

Or if you want to play with vintage tube stuff on the cheap, grab a few old 1/4" tape decks with working pres. They won't sound anything like modern gear, and you can always hook them up to a patch bay and use them when appropriate. Unbalanced connections will be the norm, though.

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Duke, the only place I've ever heard the Shure columns sound passable is the Colored Musicians' Club on Broadway. I think they've been in the same place for so long that they've somehow altered the laws of physics...

I see the crap all the time, though.

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What's the budget and what functionality are you looking for?

You mentioned a home rig so do you plan on recording anything? If so,

the Mackie Onyx mixers with the optional AD attachment will definetly

be the best bang for the buck, not to mention they actaully sound rather good.

But if you're looking for that "tubelike" liquid sound then I would

suggest nothing other than Allen & Heath. That or any of the newer

SoundCraft models (the older soundcraft I've mixed on sounds worse than

mackie, but every vintage A&H was amazing).

And by all means avoid the behringer gear - that's the equivalent to going with bose for HT! [;)]

Btw, you also want to go with a passive mixer - no doubt about it. If

you really wanted to, you could hook up any amplifier to your mixer

outputs and could even switch it up based on the type of listening

you're doing at the time. So if you want that tube sound, then just get

yourself a dedicated tube amp (and if you go with a mackie mixer, they

all have "tape outputs" from the main mix which would allow you to hook

into any "consumer" amp).

But until you give us a price range and design goals I don't see how we're going to be of much help.

Oh btw, give up on the tube mixer idea. If you want the tube sound then

run tube pre-amps and tube processing. But if you're not recording,

then why bother with the extra cost? Just get yourself a tube amp for

the mains (I think there are some relatively affordable and decent

sounding ones that will put out a good 70-100 watts).

Also, how big is this room and how loud will it need to get?

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The Allen & Heath gear is highly very underated. Built like tanks too.

The new Mackie Onyx gear looks to be good, especially if you have a

firewire card and software. Of course, they come with Tracktion, which

is really a great piece of software. I have a version 1.x something.

Once I got past the idea that the onsceen look didn't have to be the same as a

physical mixer I really like it.

Bruce

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Duke, what's so wrong about Scalas for PA? Too wide of dispersion?

Michael

well, Nothing given that it was thier intended purpose ...

but for his application, poor system match ..

all those vintage heads, are realy modded guitar heads ...

still replete with ultra high gain...

that combined with the 104dB,Scala's....

means feedback up tha a.ss

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The Duke is right on target, as usual. My buddy had an old SUNN tube board that he insisted on using. Worked OK for miking guitar amps, terrible feedback with vocals! We were even using Shure beta 58's and they still fedback with little volume. We now use a Mackie passive with JBL EON powered house mains. If nothing else, the difference in weight is worth it. That friggin' SUNN was HEAVY!

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nothing wrong with the lascalas as a PA speaker...from the few

listening tests I've done they seem to have a very smooth frequency

response with a controlled dispersion pattern which is what makes a

speaker less prone to feedback.

The reason the old antique gear would cause feedback is because they

have the occasional insane spike in the response. Single spikes like

this aren't very audible and even add to the cool timbre of the

instrument, but the problem is that particular frequency will feedback before all

the other frequencies. It basically has the same effect on the mix as raising the

noise floor. Even a "small" 6dB spike will lower your max SPL by 6dB.

Put your speakers in a small room with problems in the same frequency

range and you're looking at 10-20dB reduction in max SPL - at this

point it's not even going to matter what mains you're using - you be able to get them louder than the source.

Btw, system sensitivity has nothing to do with gain before feedback -

though it does mean that feedback will ramp up on you quicker. So if

you're one of those mixers that likes to have it on the brink of

ringing all the time then you're going to hate lascalas because you won't be able to respond fast enough. Though if

you're mixing like that then you've got other issues. It's one of my

pet peaves because you can totally bring the mix down 2-3dB and nobody

will notice - and you won't be fighting the ringing trying to keep it

masked behind the music.

sorry for the short rant - it just pisses me off when there's feedback

at a show because it is so easy to get rid of it: just fricken turn it

down.

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Drwho, thanks for your input as well. My room is about 25' by

25'. We have acoustic (egg crate) treatment on the ceiling and

front and back walls for sound reflection. The floor is 1/2"

thick rubber wall to wall. Since we are only hobbyists the room

is going to be more of a fun room than a studio. We are planning

to build a bar in there etc. I use the room for practice and when

we have friends over we play music (everyone want to be a singer

GEESCH). What I was trying to accomplish was a dual purpose sound

system based on the LaScalas. We need a mixer for the band and a

GOOD pre for the stereo in the room. The Allen & Heath looks

like a good piece. In between playing I have always had a hard

time listening to music through the PA. We use to have a Yamaha

10 channel and Yamaha club 5 speakers. Although good for bands

they sounded terrible for recorded music. Soooooooo I picked up the

LaScalas and plan to build a dual purpose system with both applications

being equally important.

One of my tweeters is blown in the LaScalas and I'm going to have Bob

Crites rebuild them with his new version as well as replace the old

crossovers with one of his new ones. I will probably even put a

good used DAC in the system. I have had good results with the

Teac 700p on my K-Horns, so if tubes are not going to work (wish they

would) what do you think of getting the Allen & Heath or a

mixer of equal or better quality and a pro Digital amp? Or would

it be just as good to get a powered mixer (if so what do you guys think

would sound the best without getting into stupid money)?

Its always fun researching this stuff and shopping for a system. Guy

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ew ew ew, don't even consider a powered mixer!

You will be fine with an A&H and probably most any PA amplifier. If

you're going to do some serious listening then I would highly recommend

finding an amp with no fan. You would probably get some of the best

results with the Crown K2 (for both listening to and playing

music)...though it's prob a bit on the expensive side.

Btw, there's nothing wrong with using a seperate signal chain for

listening to recorded music. Use your beefy fan powered amp for rockin

it out and then use your TEAC for nice listening. There are a bunch of

different ways you could wire this up to keep it feasible.

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