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Mesa Boogie Walkabout Mega-thread part Four!

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The MP-600 isn't good at 2 ohms. I had mine thermal shutdown more than once.

Combine this with the Walkabout being a stout 300 watts at 4 ohms, and about 550 watts at 2 ohms...well, I kept the Walkabout and flipped the MP-600; which didn't sound near as good, to me.
 
Hi Guys! I'm new to this board, but man am I glad that I found it and this thread. Thank you all for the wealth of knowledge and information you have provided in my quest for a portable bass rig. Just thought I'd share a few of my experiences in this quest.

My main rig is this:
Amp/Preamp/Tuner: Markbass SA450, Peterson VSR Strobe Tuner
Cabinets:Mesa-PH212 paired with an Eden-D210XST. I also have a spare Mesa-PH210.
Guitars: 1-Musicman Sterling 4 string (not the cheapo Sterling line), 1 Musicman Sterling 5 String, 1-Godin A5 that I use for our unplugged shows. After purchasing the Godin, this is where my quest for a combo began.
Music we play: Everything from 70’6 funk to Tool and then some.
Our unplugged show is scaled down quite a bit, so I didn't want to lug a 60lb 210 cab and my amp rack, and my guitar. (Getting old!!) So I’m looking to carry 1 cabinet not 2. Also, even though we consider the show “unplugged”, we do get a bit loud. So I still need to play over the drummer. Just the nature of the beast I suppose!

Thanks to the GC and MF 30/45 day trial period I was able to experiment a bit with 3 combos.

1. Markbass CDM102P - Got this as a Level 1 return from MF for a good price . Sounded great in my practice hall but got lost in the mix when playing live. For some reason, my Markbass SA450 amp sounds much better than the LMII head in this combo and I wasn't a fan of the cabinets ability to produce the bottom I was looking for. I returned it.
2. Gallien-Krueger MB115 - Tried this combo in GC. Wasn't a fan of the tweeter or mid response of this combo, but figured I'd give it a shot. Played an unplugged show that night with it and returned in the next day. Why? Tweeter VERY hissy, couldn't get the mid punch regardless of how I eq'd, amp shut down 2 times (was nowhere close to pushing it) and finally the XLR out jack is installed backwards. I plugged the house cable in and couldn't get my finger in between the cabinet and plug to push the release!
3. Ibanez Promethean 1x10 – Got this as a level 1 return from MF for an excellent price. Man was I surprised at the amount of volume I could get out of this thing. Awesome design, but the tone is thin with when used as a combo. Not bad for 1 10” speaker though I must admit. Just for giggles, I coupled it with my Eden 210 and WOW. I could play our big show with this setup. The Promethean sound much better when delivering it’s full 500 into 4 ohms. Most likely because of Eden tone and the additional air I am pushing with the extension cabinet. Regardless, my goal is to carry 1 cabinet, not 2, and still get the bottom I need. So I’m still searching.

Enter, WA Scout 12. I’ve always wanted to try the WA, but was leery of purchasing a used one on ebay for $750 with no warranty! I lucked out this week and found a WA combo (4ohm) on the used GC board. I called GC and was told that the WA was purchased locally for a studio recording about 6 months ago and it was recently traded back for other gear. Apparently the salesman knows the person who owns the studio and states that he does this quite often. He said it is like brand new. New style black face and knobs, comes with remainder of the transferrable warranty (4+years), 4ohm version, not a scratch on it. Got it for $750 shipped to my door.

Well that’s my story. The WA should arrive this week and I’m really excited. Spent a little more $$ than I did on the Promethean, but I’m expecting it to do a better job with matching to my Godin A5 and give me the tone I am looking for. The cool thing is that I will be able to A/B them. Again, my goal is to carry 1 portable combo to our unplugged show, but who knows, if I like it as much as you guys do, I may sell off some of my big rig and buy another for our big show! Thanks again and any help you can give me with making the WA experience a positive one would be greatly appreciated!
 
Thanx for the replys.. I had a M-Pulse 600 2x10 combo which I really liked, but it was just too heavy.. It was my first introduction into Mesa's.. Then a Scout 12, but I felt the Scout 15 is better for a 5 string.. I also thought about using a 2nd Scout 15 for larger gigs, but maybe the thought of adding another 4 ohm cab and running it at 2 ohms may work as well..:bassist:
 
The MP-600 isn't good at 2 ohms. I had mine thermal shutdown more than once.

Combine this with the Walkabout being a stout 300 watts at 4 ohms, and about 550 watts at 2 ohms...well, I kept the Walkabout and flipped the MP-600; which didn't sound near as good, to me.



Yeah, I really don't need 2 ohm capability, since I opt for single cab solutions... Paired up with either my PH610, PH810, 215, Goliath SR, or an SVT810e, my M-pulse 600 has been more than enough for *my* needs... If I really need to run more than any of those cabs(highly unlikely), I'll either slave my 700rb-II or a spare PA amp off the M-Pulse to drive an additional cab/cabs...

As always, YMMV...


- georgestrings
 
Tried a bunch of preamp tubes today (left the stock Mesa driver tube in place)
Gain 11:00
Bass 12:00
Mid 11:00
Pulled a few dB of 50Hz.
Treble 12:00
Master 11:00 to 12:00 (depending on tube output)
1983 Stingray w/ slightly dead Sunbeams
Berg HT322

I could write pages of details; first impressions are based on about 2 hours of playing the same riff and changing tubes. Riff was a snappy I, IV, V that went from low E to high E. Amp is reasonably sensitive to tube brands.
As far as ranking, at the top end of the spectrum: they are all good; they sound slightly different, one could change their mind from day to day as to which is groovier; there were some that were decent but not the top group; there were a few that I just didn’t like.
I have a NOS JAN in the mail and a few cheapies that I haven’t gotten to (EH, Sovtek, Groove Tube, misc. no name brands from Japan and China)

Overall tone goal was in search of a very clear but warm tone; no strident high freqs, and, a deep and detailed soundstage, very open and 3-dimensional; these are the characteristics that I like when an SVT is set to play cleanly.

Didn’t like these; just seemed very small and compressed
* GE (USA) – This was a surprise; maybe a bad tube as the output was lower; worked fine but didn’t sound great
* Phillips (USA) – Long plates – another huge surprise; was waiting for all the long plates to win; worked fine but not great tone
* Raytheon (Japan) – NOS - Nothing wrong but nothing great; too bad as I have a bunch of these

Decent tubes- sound good; wide frequency range, low noise, dynamic
* Stock Mesa tube – This is probably the least expensive tube I tested (this go round); sounds fine, no worries; ironic that the driver tube was slightly microphonic but had them both in for a while
* Westinghouse - (USA) – Didn’t think Westinghouse made tubes so this could be a re-brand; didn’t have high expectations but this tube sounded very good to me; go figure
* National - Long plates; I have been told that these tubes came from a variety of sources, were never that great, and are inconsistent in tone and reliability; then again this batch came from 25 years ago when my pal Cesar Diaz was putting them in repairs and his own amps; at any rate these sounded very good in this amp; can’t comment on the reliability though

Top 3
** Telefunken (branded Dynaco) – Long Plates - like the cabinet gained an additional speaker; sounded the most 3D; even the thin G string from the SR was minimized; did everything right, tight, full, bottom, the least mud in the middle; clean, bright (yet warm) high end; became the reference standard and consistently sounded good during A/B comparisons; probably cures cancer; never tried one before but have read that grown men would trade their teenage daughters for NOS examples; now I get it.
* Mullard (marked Eico) – Have used these before and had a pretty good idea that it would be in or near the winner’s circle; sounds like the above only not quite as much; could never tell them apart blindly but I think I could tell the two apart in an A/B test; great stuff
* Holland – that’s all that is readable – assume it is an Amperex – Long Plates - didn’t put this in the top group at first but the second time through it sounded great; could be that I didn’t give it enough warm up time

Hope this helps anybody thinking about tube rolling these amps.
Would be very interested in hearing any thoughts on your own experience whether you agree or not.
 
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Welcome to the Walkabout 'club' Fudgegf. IMO the WA will do wonders for the stuff you're doing. I've used a Promethean (just a 1x10" combo) & while a damn nice amp/combo, the WA will nail it to the floor with it's gutsy bottom end. running the gain up around 12 o'clock will add some lovely tube 'fur' & the EQ-ing options on it are superb.
While it's not technically a 'lightweight' amp..... these days anyway, it's light weight enough for me to WISH I had enough $$$ for another to act as a 'back-up amp' just in case anything ever happened... Not that it has-well ONCE in my 30+ yrs of gigging.
But, playing big, important type gigs (I think ALL gigs are big & important) -so read "corporate" - & me being fussy about my sound,( I hate going thru the monitors), means, I like to have a decent 'back-up' .........'Just in case'
- at the moment it's a Mark Bass LMII, IMO another great amp, but for MY tastes- the Mesa WA 'does it' perfectly for me.

Hope you like yours as much as I do mine. Also- congrats on the buy!!!
 
JimC:
if you "care to throw more money at it," I have three recommendations for you:

JJ long plate, hi gain, and "regular"
Tong Sol reissue
The new Sovtek long plate (which is stock from mesa now)
Jan/Philips mil spec
 
Top 3
** Telefunken (branded Dynaco) – Long Plates - like the cabinet gained an additional speaker; sounded the most 3D; even the thin G string from the SR was minimized; did everything right, tight, full, bottom, the least mud in the middle; clean, bright (yet warm) high end; became the reference standard and consistently sounded good during A/B comparisons; probably cures cancer; never tried one before but have read that grown men would trade their teenage daughters for NOS examples; now I get it.
By "Long Plates", are these "Smooth Plates" (that's always been the terms I've seen... smooth vs ribbed plates.)?

If so, your experiences definitely mimic mine. Those Telefunkens are getting harder and harder to find, as well as going up in price. I've seen them as cheap as $35 and as expensive as $150 depending on condition and branding.

In my case, they provided exactly what I like... unbelievable clarity and definition... that's why they're so popular with the tube "HiFi" (yeah, home stereo stuff) folks.

That tone won't be everybody's fave, but it was mine.
 
Long plate vs smooth/ribbed...

There are both smooth and ribbed long plates; and personally, I don't have enough experience to say "all long plates have thus and such characteristics, and all short plates have thus and such characteristics," or; smooth plates sound like this and ribbed plates sound like that.

The Teles are another nice choice.

I'm going to more or less dodge the "long ribbed plates for her pleasure" jokes.....
 
Interesting tube comparison from JimC. In looking up info about the Telefunken, it is apparent that they are indeed highly thought of by the folks who offer them up for sale. Seems like the vintage Mullards are not too far behind in price, which brings me to my quesiton. Jim, were you using a vintage Mullard or one of the new stock that can be bought for a pretty reasonable price? Also, didn't I stumble across another tube comparison for the Walkabout in some other thread in the forum? Any guidance to where that was would be appreciated. Thanks.
 
Jim, were you using a vintage Mullard or one of the new stock that can be bought for a pretty reasonable price? Thanks.

Thanks for the kind words guys.
I am using old, original Mullards that have the Eico brand on them. Same with the Tele as it was from some old Dynaco gear I had kicking around. I would think both are from the 60's but have no way to know for sure.
Out of the long plates, the National was a smooth plate and the Tele, Holland tube, and the Phillips were ribbed.
I had completely forgotten about that review Tom. In hindsight, it was better to do this with as few preconceived notions as possible.

Any thoughts as to how much the driver tube effects tone?
Thought I might post that question in the amps section to see if any of the tube gurus have tech experience for its' importance in a hybrid.

BTW, there are a few used Tele's on eBay for approx $40 each; the diamond pattern on the bottom of the tube seems to be a way for positive identification if you should stumble accross some potential candidates with the name rubbed off.
 
Thanks for the reply Rodl2005. I'm sure I'll be hitting this board up for some additional suggestions.

Got my fingers crossed this the WA, but based on the comments within this board, I'm certain I'll love it. As long as it fills our unplugged show with full bass and some punch when needed, I'll be happy. Then what to do with the Promethean!!??

FYI, I love my Markbass as well. Sounds like we have similar tastes! I'll post some comments when I receive the WA. Thanks again!
 
JimC;
yeah, the tube driver does indeed change the tone some too.
Play with it and check it out if you still have the lid off, and the time to futz with it.

Man, tubedepot had some Telefunkens they had priced a $1295.00
No joke.
That better make my rig sound...a lot. better.
 
Thanks for the reply Rodl2005. I'm sure I'll be hitting this board up for some additional suggestions.

Got my fingers crossed this the WA, but based on the comments within this board, I'm certain I'll love it. As long as it fills our unplugged show with full bass and some punch when needed, I'll be happy. Then what to do with the Promethean!!??

Oh it'll fill your unplugged show beautifully. Putting the full 300w into one 12" driver is asking for a fart out :spit:, My 8 ohm 12" combo is darn loud(for a 1x12") at 165w!!
But full, vintage sounding lush bass is what you'll get!

Goodluck
 
JimC;
yeah, the tube driver does indeed change the tone some too.
Play with it and check it out if you still have the lid off, and the time to futz with it.

Man, tubedepot had some Telefunkens they had priced a $1295.00
No joke.
That better make my rig sound...a lot. better.

Lid is still off as the JAN tube should be in tomorrow.
Here's a list from eBay with Telefunken 12AX7 & Buy it Now as the filters; used from $40 and NOS for over $800! Could these new units be for collectors as there is no guarantee that they would sound any better?
http://shop.ebay.com/i.html?LH_BIN=...ctronics_R2&_trksid=p3286.c0.m14.l1513&_pgn=1
 
Oh it'll fill your unplugged show beautifully. Putting the full 300w into one 12" driver is asking for a fart out :spit:, My 8 ohm 12" combo is darn loud(for a 1x12") at 165w!!
But full, vintage sounding lush bass is what you'll get!

Goodluck
Yeah, I knew that going in that I'd run the risk of a fart out. Never had a 4ohm cab! Worse case, I could purchase a 8ohm for $119. In my eyes, it's still a good deal. Hopefully I shouldn't have to drive the WA that much with the unplugged show. We'll see. We have a show this weekend and I should have the WA by then. Can't wait!
 
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