Also I have to clear up a mistake in your post, even if the amp comes with some form of speaker emulation the tone coming out of the line out in no way will sound like the tone coming out of the speaker...however running that signal through an impulse in your computer will
@Guitarists - Handmade Valve Amps - Your Wishes
- Rad Grandad
- 38041 posts since 6 Sep, 2003 from Downeast Maine
sorry that's not everything, what is the price range expected to be? BTW because I own something very similar I would suggest a third pre-amp tube as right after I got my amp they added this option and I wish my amp had it.
Also I have to clear up a mistake in your post, even if the amp comes with some form of speaker emulation the tone coming out of the line out in no way will sound like the tone coming out of the speaker...however running that signal through an impulse in your computer will
Also I have to clear up a mistake in your post, even if the amp comes with some form of speaker emulation the tone coming out of the line out in no way will sound like the tone coming out of the speaker...however running that signal through an impulse in your computer will
The highest form of knowledge is empathy, for it requires us to suspend our egos and live in another's world. It requires profound, purpose‐larger‐than‐the‐self kind of understanding.
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- KVRian
- Topic Starter
- 838 posts since 22 Feb, 2001
Of course, the line out mistake, that's because we talked about so many different things on that day (also a combi; that's where that came from).
I cannot tell you the price range. I know roughly what the parts cost, but I can't give you the info at the moment because we are still looking at sources.
Klaus monitors this, but I will mention the third tube.
cheers
R
I cannot tell you the price range. I know roughly what the parts cost, but I can't give you the info at the moment because we are still looking at sources.
Klaus monitors this, but I will mention the third tube.
cheers
R
- KVRAF
- 20763 posts since 22 Nov, 2000 from Southern California
Groove Tubes used a 3-way power switch: full power (up) - off (middle) - half power (down). This way the amp is always turned off before switching to half power.bluelife wrote:3/7 Watts (we may increase this), switchable on the back (because you actually should turn the unit off before switching)
Definitely make this footswitchable!"Boost" button (perhaps switchable per footswitch, we didn't talk about that.)
I recommend you definitely use a spring. Personally, the digital reverbs keep me away from a lot of Marshall amps.Reverb (we are looking at a spring or a digital unit) with amount - and because of this we are not adding an FX send
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- KVRian
- Topic Starter
- 838 posts since 22 Feb, 2001
Hi,
good idea with the power switch.
I would also like a spring, the unit costs €30, we don't want to save, it's not the idea.
BTW 12 units will be made once it is developed, 10 for sale, 1 for the "show room" - it's a room Klaus is doing up as a kind of bar/meeting place at his farm.
I will have a chat with Klaus to see if he can name some kind of price, roughly.
Cheers
good idea with the power switch.
I would also like a spring, the unit costs €30, we don't want to save, it's not the idea.
BTW 12 units will be made once it is developed, 10 for sale, 1 for the "show room" - it's a room Klaus is doing up as a kind of bar/meeting place at his farm.
I will have a chat with Klaus to see if he can name some kind of price, roughly.
Cheers
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- KVRAF
- 3864 posts since 29 Feb, 2004
Fwiw, if you want to add reverb there's only one way to go imho, and that's a real, long Accutronics pan.
Cheap onboard digitals are useless imho as ITB verbs are meanwhile miles ahead.
With an amp this small you might as well spare the expense of footswitching as you can't use it live anyway.
And, just to make sure, the DI out should be post power amp.
Ymmv,
susiwong
edit: of course only personal opinion, not meaning to contradict you re switching, Eric, but I'd rather see the signal path as pure and uncluttered as possible in a recording amp like that
Cheap onboard digitals are useless imho as ITB verbs are meanwhile miles ahead.
With an amp this small you might as well spare the expense of footswitching as you can't use it live anyway.
And, just to make sure, the DI out should be post power amp.
Ymmv,
susiwong
edit: of course only personal opinion, not meaning to contradict you re switching, Eric, but I'd rather see the signal path as pure and uncluttered as possible in a recording amp like that
- Rad Grandad
- 38041 posts since 6 Sep, 2003 from Downeast Maine
I'm with Eric on the footswitch for boost, it does not impede the signal path and if there is a switch on the faceplate as well you have the option of either/or without losing any functions.
I do see your point susiwong, all my pedals are on my table and not the floor because I don't want to bend over to tweak them and recording I do not need a footswitch, in fact my xt live is at least 7 years old and besides the volume/wah pedal I dont think I have used the footswitches 25 times. However it is on the floor because I control it via gearbox on my computer...the knobs on the unit only get moved when I am cleaning the pod
Now that my pod is not in my DAW signal chain I still control it from my laptop and the unit itself is under my home entertainment center, if I had feet that big I would be dating supermodels, making pron or both
I do see your point susiwong, all my pedals are on my table and not the floor because I don't want to bend over to tweak them and recording I do not need a footswitch, in fact my xt live is at least 7 years old and besides the volume/wah pedal I dont think I have used the footswitches 25 times. However it is on the floor because I control it via gearbox on my computer...the knobs on the unit only get moved when I am cleaning the pod
Now that my pod is not in my DAW signal chain I still control it from my laptop and the unit itself is under my home entertainment center, if I had feet that big I would be dating supermodels, making pron or both
The highest form of knowledge is empathy, for it requires us to suspend our egos and live in another's world. It requires profound, purpose‐larger‐than‐the‐self kind of understanding.
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- KVRian
- Topic Starter
- 838 posts since 22 Feb, 2001
All noted.
These things will be looked at after the prototype is done.
It's true in some ways that a footswitch maybe too much, but then we'll see.
@Hink - of course I meant the sound from the DI is the same as the one going to the speaker.
@su, yes, these are the ones we are looking at:
http://www.tubeampdoctor.com/de/shop_Ha ... verb_Cans/
cheers
These things will be looked at after the prototype is done.
It's true in some ways that a footswitch maybe too much, but then we'll see.
@Hink - of course I meant the sound from the DI is the same as the one going to the speaker.
@su, yes, these are the ones we are looking at:
http://www.tubeampdoctor.com/de/shop_Ha ... verb_Cans/
cheers
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Dean Aka Nekro Dean Aka Nekro https://www.kvraudio.com/forum/memberlist.php?mode=viewprofile&u=162100
- KVRAF
- 6178 posts since 4 Oct, 2007 from Escaped At Last
No Series FX Loop and Onboard Reverb are deal breakers for me. However, Ah well I am sure it will be a good unit but just not for me/my somewhat specific needs and WANTS 
Still will be keeping a eye out though as still am interested and until i hear one in action i can not totally rule anything out. As there is more than just this amp planned like hand wound pickups or pickup rewinds (although i have Bareknuckle pickups on these shores whom offer all that, Actually they are maybe worth checking out as 'competition' as when i bought my Warpigs they were still a sample company/not well known name but over the years they are definately quite a big name without compromising on quality
)
Nice one Richard and catch you again soon
Dean
Still will be keeping a eye out though as still am interested and until i hear one in action i can not totally rule anything out. As there is more than just this amp planned like hand wound pickups or pickup rewinds (although i have Bareknuckle pickups on these shores whom offer all that, Actually they are maybe worth checking out as 'competition' as when i bought my Warpigs they were still a sample company/not well known name but over the years they are definately quite a big name without compromising on quality
Nice one Richard and catch you again soon
Dean
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- KVRAF
- 3864 posts since 29 Feb, 2004
These are perfect.bluelife wrote:@su, yes, these are the ones we are looking at:
http://www.tubeampdoctor.com/de/shop_Ha ... verb_Cans/
May I recommend the RV-9AB2A1B, it's something like the gold standard, check the references.
Makes it easy to find a suitable send/return circuit for it, too, the slightly higher price is well worth it imho.
Ymmv,
susiwong
- Rad Grandad
- 38041 posts since 6 Sep, 2003 from Downeast Maine
which is awesomebluelife wrote: .
@Hink - of course I meant the sound from the DI is the same as the one going to the speaker.
The highest form of knowledge is empathy, for it requires us to suspend our egos and live in another's world. It requires profound, purpose‐larger‐than‐the‐self kind of understanding.
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- KVRAF
- 3864 posts since 29 Feb, 2004
Since these will be handbuilt I could imagine a non-reverb version being easy, asking won't hurt.Dean Aka Nekro wrote:No Series FX Loop and Onboard Reverb are deal breakers for me. However, Ah well I am sure it will be a good unit but just not for me/my somewhat specific needs and WANTS
A loop would be handy in case you want to mic the amp, agreed.
At least an insert point pre-reverb
Ymmv,,
susiwong
- Rad Grandad
- 38041 posts since 6 Sep, 2003 from Downeast Maine
bypassing an onboard reverb is not all that difficult, however it seems to me having an onboard reverb that you choose to bypass gives you the chance to add your own fx loop mod 
However I am not a fan of onboard reverb anymore myself
However I am not a fan of onboard reverb anymore myself
The highest form of knowledge is empathy, for it requires us to suspend our egos and live in another's world. It requires profound, purpose‐larger‐than‐the‐self kind of understanding.
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- KVRAF
- 3864 posts since 29 Feb, 2004
Afaik you can't use a spring interface as a loop, incompatible levels/impedances.Hink wrote:bypassing an onboard reverb is not all that difficult, however it seems to me having an onboard reverb that you choose to bypass gives you the chance to add your own fx loop mod![]()
Leaving the complete verb circuit out when building should be possible though, dunno.
Ymmv,
susiwong
- Rad Grandad
- 38041 posts since 6 Sep, 2003 from Downeast Maine
I said an easy mod and was thinking of thissusiwong wrote:Afaik you can't use a spring interface as a loop, incompatible levels/impedances.Hink wrote:bypassing an onboard reverb is not all that difficult, however it seems to me having an onboard reverb that you choose to bypass gives you the chance to add your own fx loop mod![]()
Leaving the complete verb circuit out when building should be possible though, dunno.
Ymmv,
susiwong
http://taweber.powweb.com/store/modkits.htm#effects last kit down for 40 dollars

The highest form of knowledge is empathy, for it requires us to suspend our egos and live in another's world. It requires profound, purpose‐larger‐than‐the‐self kind of understanding.
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- KVRAF
- 3864 posts since 29 Feb, 2004
Yeah, that's a generic buffered loop, but how to do it properly without negative side FX can differ considerably between amps.Hink wrote:I said an easy mod and was thinking of this
http://taweber.powweb.com/store/modkits.htm#effects last kit down for 40 dollars
Some topologies are more picky than others.
Ime a simple insert point is a good (and free) compromise, doesn't mess with the amp's tone when not in use, will work fine with decent 19" gear and can be made to work with almost anything using external buffering (C-lator-, Dumbleator style), depending on the player's needs.
I wrote a bit about a real world scenario in the pedalboard thread:
http://www.kvraudio.com/forum/viewtopic ... 39#4522239
Ymmv,
susiwong