I see a couple prior posts. One wants a two channel brit style with full tone controls on each. Another mentions an overtone/plexi hybrid. What I am suggesting is along those lines: an unholy union between the Marshall and Dumble types.
What a two channel amp, each channel having it's own level and Drive controls, so a somewhat dumble style preamp. Only with a Marshall type voice. A smoother marshall type voice, I'm thinking Bonamassa and Eric Johnson. Channel 1 is low gain, lots of clean headroom, huge bell-like, chiming EL34 cleans, to maybe old style plexi gain. Channel 2 is the singing, searing marshall voice. Probably voiced a little darker than most modern marshalls, with responsive midrange controls. So, each channel has drive, level, treble, middle, bass, prescense and some appropriate switches for changing voicing. Of course a master volume, and a footswitchable boost. Oh, and plenty of low end. Some sort of boost as well. Maybe not a full tone stack bypass, but something that adds a little oomph without too much high end or a drastic change in volume.
HRM? probably, but the controls need to be "tamed" and put on the front of the amp.
There are other amps like this, Carol Anne OD2, maybe some two-rocks? However, this would not be a clone of anything. It would be Nik's own interpretation. Nik, are you up to a new challenge?
What about a late 60's Superlead clone with a Dumble-like smoothness and midrange complexity? I like how the Mid-Boost switch on my Overtone adds a nice gainy midrange boost to the sound without really changing the tone too much. I really dig the tones of EJ, Bonamassa, Cream-Era Clapton, etc. Specs: 100 watts (4xEL34 or 4x6L6), standard EQ +presence, 4 inputs like old Plexis, footswitchable Mid Boost like the Overtone, dark-normal-bright switch, Marshall style FX loop, post phase-inverter master volume. So basically a cheaper version of Joe Bonamassa's Category 5 signature amp.
yeah, it sounds like you are referring to Joe's Cat 5 or perhaps the Carol Ann OD2. Not speaking from experience, mind you, just from hearing Joe etc. From what I understand of the Category 5, it is described as a Super Lead with a bit more gain, and different mid voicing. I think a super lead with a 5 way mid sweep control, with sweet highs and maybe make it HRM. Sounds cool.
I've heard of the Dumble bluesmaster circuit before, but I'm not sure what it is supposed to accomplish. Is it to make the amp more open, with better low gain tones? Is the bluesmaster more in line with a Sonny Landreth type of tone? I guess we will have to wait and see.
Joe Bonamassa uses the silver Jubilee. I think the Slash model is very similar? So, make the silver jubilee and, along with the OTS, or maybe a two rock clone (he uses a CRS v1 as well) we'll see some big Joe B. multi-amp rigs for reasonable dough!
Bad Cat Panther: 2 channels, a 12ax7 channel and an EF86 channel, with some interesting tone controls. 4 6V6 tubes as the power section. described as class a/b, but all I really know is the clip:
So, the clever elves at Ceriatone can have some fun. Maybe start with the DC30 chassis, retune for 6v6's and more gain, at least on the EF86 side. Maybe a post OD tone stack on there too? What impressed me most about the tone was the very thick, furry tone, but still with excellent string separation and abundant harmonics. Kind of matchless Clubman like, only with 6v6s? Then again, maybe it's just Grissom. Some guys can make anything sound great. Reminds me in some ways of the clips of the Swart Super Space Tone. Must be the 6v6 tubes with a British influenced circuit.
First, my apologies to JZucker for the thread derailment. I just did not know where else to put it. I guess from what Wyatt mentioned, it should go in the 18 watt forum. Secondly, thanks Wyatt for the info. It definitely helps. I guess I will have to drop a request for a Panther like 6v6 ef86 bad boy in the Suggestions forum.
The 36-watt is essentially a 18-watt Marshall with twice the power. Before you say, "duh," let me add...
There is an online community (18watt.com) that has and does dedicate itself to late '60's 18-watt Marshall design. It's both the result and the catalyst to the huge renaissance in 18-watt Marshall designs; with maybe a couple exceptions I can think off, all the 18-watt Marshall-based designs available today, there most be three dozen or more came as a result of the work from 18watt.com.
Well, after everyone had mastered the 18-watt, they started playing with the design. One of these variations was one with twice the power amp for more gig-friendly headroom. Other variations was the TMB preamp, which was more plexi-based; the traditional 18-watt preamp is on the clean side, though it can be driven to great affect, it does not sound like the larger Marshalls (which was part of it's charm). Another preamp design includes the EF86 channel from the original late '50's Vox AC-15 (the "EF86" channel) to give a little Vox flavor to the amp.
So, the 36-watt isn't a real historical amp, but a modded 18-watt schematic.
I'm wondering the same thing. Frankly, I'm wondering what exactly is the 36 watt. Is it fixed bias? What other amp is it like? I recently heard a clip of David Grissom playing a Bad Cat Panther, a two channel amp, a 12AX7 side and an EF86 side, fixed bias, running 6v6's. The clip of course sounded fantastic. I also heard clips of the Swart Super Space Tone 30, which is a cathode biased amp running 4 6v6's. Again, fat and furry and killer sounding. I was wonderiing if the 36 watt EF86 with 6v6's instead of el84's could go there.
or the king cobra - based on the clubman but includes tremolo and reverb I think
My thoughts exactly. More gain on tap than the stock Clubman, and the extra goodies. Curious to know know what a top boost type channel would sound like with the EL34's, as well.
Outstanding!! I've heard some comments about the Dumble "Bluesbreaker" circuit. Maybe that's one other direction the non-hrm circuit could take. You are certainly getting some good mild overdrive tones out of yours.
Obviously, you are the only one who can make the final marketing decision. You may want to try to get an idea of the demand for the device before choosing. For example, how many Overtones has Nik shipped, and what is projected demand? Out of those, any way to guesstimate how many would want a klein'lator? Also, do you think Brownote users or other D stylists would be interested? I think the uber-snobs would only go with a tube unit, but the Overtone does not really pitch to that crowd. The fact that you made it a non-rack unit in my mind would increase it's appeal. After ballparking demand, decide if you could meet it on your own. If not, can you live with a long wait list? If the wait list gets too long, it's likely the unit would get copied and other makers would pop up.
Microsoft did pretty well with licensing, you may want to give it a try
Good to see you drop by and great to see the result of all those months of work since the early days on the Brownnote D'Lite forum. Interesting enough, I was just checking earlier today to see if Moss had his "mossleator"..lol.. ready to go, or not. I'd be very interested in one of yours, actually. Are you offering it as a complete build or a kit? I followed your threads on the build and would be pretty easy to put together. I've been meaning to build a dumleator but I hate sourcing the parts. Let us know what kind of pricing structure you have in mind. Personally, I'd be interested in a "bag-o-bits" an eyelet board(s), current schemo and layout, and drill my own chassis....like I said, I hate finding parts.
Cheers,
ChrisL AKA "candh" everywhere else
Hey Chris. As of right now, I have no plans to offer it as a kit. There are three options that are most appealing to me - 1) keeping it to myself and selling it as a finished product, 2) bartering with Nik or Moss to make the design theirs, 3) making the design 100% public domain.
If I choose #3, I'll also include a BOM that you can import directly into Mouser's BOM tool.
Count me in. David Grissom has some youtube video playing a Clubman and he sounds fantastic. Be nice if it could take EL34's or 6L6's, maybe 6v6's. Not sure if that's possible, but I think the 6v6 option would yield lower volumes.
So, 15 hours to save $300. That turns out to be about $20/hr. I think I am probably better off buying the completed amp without the head shell and building one. I have the tools to do that part of it, at least. Thanks again for the help.
I'm looking at the Overtone Special kit package #2, which goes for $650.00. What I'm wondering is, what still needs to be done to make it a working amp? It says "All components with assembled board, faceplate, chassis, OT and PT . Only tubes not included. Footswitch included. " I've never built an amp before, and, it's been a LONG time since I covered electrical theory in college physics, so I am starting off very much in the dark.
I'm assuming it would need: *PT, OT and choke installed and connected. *Pots connected. *tubes installed and biased. *chassis installed into a head cab.
What am I missing (other than knowledge and experience)?
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