(Mezcalhead & Glimmertwins: I started to write my answer before yours and I'm too lazy to make a new global answer so I answered you at the end of this post

)
Thanks for all your answers.
@Starfish:
I know your solution is THE dream configuration of all guitar player but I'm afraid that's really not the one for me knowing how I'm making my music now... I should have explained why I need an amp that's not too loud and why I absolutely need a line out:
My current music project is a solo project in which I heavily rely on live self sampling using a software in a laptop. The laptop is providing the other instruments parts as well (drums, bass etc..).
I play a guitar line, sample a loop it in the computer and so on... So I need the direct guitar to be as loud as what's played by the laptop and playing through an amp as loud as the VOX AC30 would mean having a PA system (for the output of the laptop) way too loud for home.
That's why I was looking at small amps...
Sample a mic'ed amp would be difficukt too since the mic would record what's coming out of the PA as well... and little extra signal + little extra signal + little extra signal +little extra signal turn into a mud pretty quickly..
Thanks because you made me realize that maybe wanting to have the same rig for my solo project and for playing in a band configuration may be a desperate quest !
I know it might sound like the Pod is the solution for me but I'd really like a little more authenticity and I'd like to be able to gety feedback easily so I guess there are 2 solutions left:
1 - An amp with a power attenuator:
I didn't know power attenuators have a line out, this a is good news, I will check this out...
A question a bout this: is it possible to use a power attenuator with a combo ? or only with an head + cabs
2 - I buy a good tube preamp with an HP simulation for my actual music project and will buy an amp later for the band configuration.
Well I know what you think: that will not give me feedback easily BUT since yesterday, I digged a little more and found this:

An all tube (4x 12AX7 tubes) / 3 channel preamp with every output I will ever need:
- To Power Amp (0dBm)
- To FX Return (-10dBm)
- To Amp Input (-20dBm, filtered)
- To Recording (-10 dBm, with speaker simulation)
- To Headphones (0 dBm, with speaker simulation).
Thanks to the "to amp input" and the "To Recording", I'll be able to plug into the computer and into a small crappy amp at the same time and be able to get feedback easily..
Also the great thing that puts this one on top of every other preamp I heard about is this:
"All-tube single-ended 0.5 Watts Power Amp with Drive and Volume controls".
It's supposed to simulate power amp distortion... I guess I will not able to get closer to a "real" tube amp sound with a preamp !
..and I only read rave review about it so it worth give it a try ! (There's a store here that gives your money back if you're not satisfied by your purchase and send it back within 30 days, not reason asked so..)
One last thing: Now that I think of it, my settings on the Pod are probably quite far from the pure Vox or Matchless one ! (for exemple, there's a presence knob in the pod... not on the AC-30 ) and I've probably changed the cab too..
Too late now but I'll check tomorrow to see what my settings are... If I'm really far from those two amps, maybe I would better have to open my ears rather than focus exactly on those 2 amps... I'd rather focus on what I like in them.
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@mescalheadz:
You see now: I begun to realize I'll have to compromise...
mezcalhead wrote:
I can think of amps that fulfill all but one of your criteria, but not all.
I'll be happy to hear what they are and what criteria they match..
glimmertwin wrote:
How cheap is cheap? $300 cheap, $600 cheap, $1,000 cheap?
I haven't calculate exactly how much money I have for this (I'm selling and buying lots of stuff these days + I'll will be able to earn a litlle more money with the sale of the pod and another amp I have..), I'll do it and tell you.
I have no urge to swap the pod for an amp so, if I find the ideal amp for me and it's over my budget, I think it's wiser to wait to have the money necessary to buy it, no ?
glimmertwin wrote:
...on the other side, I think you might be very happy with one of the smaller Bad Cat amps. I just had a Cub and for 15/18ish watts, it was freaking LOUD but had a great master volume that you could dial in to the right spot. Your right that the EL84 amps tend to be a little more percussive with that quicker attack. I see the smaller Bad Cat amps go from $700-$1000 - with a little patience you might be able to snipe one of ebay for a reasonable price. Otherwise, the newer Vox AC30CC line and the AC15 line are both very good options. Our singer has the 2x12 version and it's a nice amp especially after he only paid $700. No line out, but what's more important here?
If you went with a real amp, you might want to invest in some sort of other device later on to get the line out feature - a reamp box of some kind might give you some line level ability or you can get a signal splitter and just keep the pod so one side goes to the amp and another side goes to the POD. One thing is for sure - you'll likely never find a line out on the back of an amp that soundsanything like what the amp sounds like in a room or even recorded in a room for that matter so don't expect to find a device that sounds the same in amp form that it does in a line level scenario.
I know i know, It's the line out need that complicates all but as I just explained I really need it for what I do now. And I know it will never sound the same as a real amp in a real room (It will allways miss the room!)
... That's why the more It goes, the more I think I will split my quest in two...
and the preamp I talked about previously would be a good complement to any good tube amp I think so it may be usefull even with the amp.
I will go check out the BadCat cub.. 15/18 watts seems to be the ideal power for me.
Wow !!

that's a loong post !!

Once you're lost in twilights's blue, you don't find your way. The way finds you...