Demeter 1200 watt Bass Amplifier /Need Bass community input on design

#21
J.Wolf said:
I dont mind a fan if its not like a jet engine. I had an Aguilar DB750 that sounded GREAT but I couldnt use it in the studio or on quiet gigs, even though it sounded OK at low volumes because the fan was a killer.

Dude, HBP lunchbox with the 1200w module is sounding REAL good right about now. My HB600 is just awesome but I sure wouldnt mind getting that feature set in a light weight lunchbox format.
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You have a HB-600? that is very rare we only made 20 of them. We have replaced the 600 watt amp with two of our 800 watt modules making it a HBP-1600 for a few customers.
 
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#22
hennessybass said:
Thanks for asking @JKdemeter
I like the lunchbox format you've got. It looks great, and has a cool old school vibe, yet still a good size for today's modern player.
I don't think 1200w is too much. Just about right if you ask me.
I say PLEASE keep it simple. There is just something so beautiful about a simple amp that looks good, sounds good, and can handle any gig. Guys today use pedals anyway - so let them pick their compressors, Para-EQs, and other flavors that they want.

I think a lot of players today, studio and stage, want a great DI built in. I know for a lot of guys, a separate control is pretty important. Guys want to make stage adjustments without having to worry about the house.

I have had my eye on your amps for a long time, and this has really re-excited me.
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Our stock amps come with a DI that is switchable Pre- or Post EQ. We offer the Jensen Transformer as an option for the ultimate in isolation. Our DI sound grey and these Amps don't have to be connected to speaker so they can be used as a tube DI as well as an amp.
 
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#23
bucephylus said:
I’ve been mainly gigging ampless the past 14 months (continues to be a work in progress); but, I hauled my amps and cabs out a couple days ago; and the main thing that stood out to me is that the VTBP-201 preamp is still head and shoulders above the rest for being my favorite bass sound. Timeless. Right up there with the SVT for having that something special.

So, I found a used VTDB that I’m going to try to replace the Mesa Subway Preamp/DI I’ve been using for the ampless feed. The Subway is a very well designed unit, and has some EQ capability for the FOH feed. But, I massively prefer the VTBP-201 thing. Sure do wish I had the VTBP-201 tone stack in the VTDB format. Anyhow, just a thought.

Jim, regarding the 1200W power section, while it seems to be true that bass can never have too much power, I must admit that I never get close to maxing out what the 800W section delivers. My ONLY problem with the Class D output sections is that they tend to be a bit more noticeably sensitive to power sags. Probably not much to be done about that; but, from a player perspective, that’s the ONLY downside I’ve experienced. If the 1200W unit was a little more robust in that respect, that would be better.
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The 1200 Module seems to be very robust. I don't think it would sage. We are working on a VTBP- peadle Pre-amp with Two studio outs, one that is Flat and one that is switchable Flat or EQ as well as a TRS Amp out.
 
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#27
JKdemeter said:
You have a HB-600? that is very rare we only made 20 of them. We have replaced the 600 watt amp with two of our 800 watt modules making it a HBP-1600 for a few customers.
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I picked it up here on a whim, based on how much I love the HBP1 preamp. It is a fantastic amp, and very loud for the 600w rating. I feel lucky to have found it, and although I had sworn off rack sized gear with so many great sounding micro options, there is just some serious mojo in that unit.
 
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#30
JKdemeter said:
At NAMM 2018 we showed a pro to type of a 1200 watt Bass amplifier. It was based on our Bass 800 pre-amp board and the new ICE 1200 watt power Amplifier module. It sounded wonderful, but before we start production I thought we should get input from the Bass community as to how we should package it and what features are wanted. The prototype was build in an amp head style similar the the VTBP-M-800D and the Bass 800D only a bit bigger. That head box does add about $100 to the retail cost, would a simple metal box with a handle be better? The proto-type also had our stock Bass 800 Tube passive front end, treble, middle, Bass/ with EQ switch, and presence as well as a Bass boost and bright, Dark, and normal mode switch also active/ Passive inputs, Loop and studio out on the back, would adding parametric EQ and or Optical compression be a good idea or should we keep it simple? Is 1200 watts too much? What other features would be wanted. Please let me know, Thanks to all. Attached is a preliminary Data sheet and Photo of the Prototype.
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I say skip the parametric...keep it simple and pure
 
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#32
I'm down for the HBP setup, as well. Metal box is fine. Compressor I could take or leave (probably leave if it meaningfully saves cost/space/weight). I do like an FX loop, especially when recording. Also, 2 or at least 2.67 ohm capability is a requirement for me on any modern amp, really, but especially when we're talking about that kind of power, as so many of us are using modular rigs with 3-4 smaller cabs as needed instead of just 1-2 big boys these days.
 
#33
Pbassmanca said:
Controllable high pass/low pass filters are a great feature. Simple metal box is a good idea. Low mid and high mid controls are nice as well as a bass control. An onboard compressor with ratio and threshold controls is also great. Might as well make it 2 ohm switchable while you're at it. 1200 watts is a beast but there's lots of cabs that can take it...:D
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I second your comment on filters particularly the HPF to control low end frequency's, for me this is a key onboard feature that I currently use F Deck for but would love to have in the head
 
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#37
FWIW I have run one at 2.67 and it didnt break a sweat. Not that its empirically safe according to the manufacturer, but in my anecdotal experience, it was just fine. My understanding is that the way the 1200 is designed, it has pretty great self protection designed into it, so it will just shut down and come back on when the problem goes away.

This is my personal experience and in no way represents the Demeter product.
 
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#39
J.Wolf said:
FWIW I have run mine at 2.67 and it didnt break a sweat. Not that its empirically safe according to the manufacturer, but in my anecdotal experience, it was just fine. My understanding is that the way the 1200 is designed, it has pretty great self protection designed into it, so it will just shut down and come back on when the problem goes away.

This is my personal experience and in no way represents the Demeter product.
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I found that true too as we ran it at 2.6 at NAMM. I think if I added a limiter it would be fine at two ohms.
 
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