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itu
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Posts posted by itu
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Switching the battery on and off while the bass is connected to an amp is likely to pop loudly.
Consider finding a double pot for the bass and treble (or make a tilt eq from them) and you dont have to drill more holes.
I soldered a push switch to my former Modulus Graphite, but put it under the back cover. If a battery was empty, the instrument cable fit the small hole to push the override switch. Then I put the cable back to the amp, and continued. No pops, just funk.
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5 hours ago, chyc said:
... I believe the confusion stems from the fact that you can pair an active preamp with passive pickups, as with the Sandberg you own. For active pickups, you need an active preamp, but one specifically designed for such a scenario...
How is this true?
The difference between low impedance (lo-Z), and hi-Z ("passive") pickups is the impedance. If this was the thing that separates preamps from each other, what's the Z that divides the models?
Yes, there are very high Z input transducer preamps, like those built for piezos. But as battery powered EMG pickups and others alike are very lo-Z, they actually fit better to any preamp.
I do not see any reason why an EMG pickup wouldn't work with a John East, or any other preamp. Just like they work with your or my amp's input.
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When you get an idea of the friction of the wire, I would love to hear about it. I suppose it has to be there, but the amount is probably very small.
These seem to be somewhat bigger units:
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Very rough idea of the strings:
- flats have that short, flat sound, and they last and last...
- groundwounds/halfrounds are slightly sharper in sound, but still close to flats
- nickel is good for a fretless, too, and their response is more even than ->
- stainless steel (SS) has a sound that reminds the smiley eq curve when new, thin sets are for slapping twangmen
Material choices are only few (steel, coated steel, and polymers) despite marketing people tend to disagree. Gauges vary a lot, and may mean a lot in playability, as well as how the bass sounds and interacts.
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Well, someone needed that, why not? Nice colour.
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Meghan Trainor - All about the bass (the Kate Davis version)
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Standing in the shadows of Motown: stories, music, CDs...
Beneath the underdog, a tough Mingus bio
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CD is 80 minutes and 700 MB. I don't think you need more than 2 channels.
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Please use some uncompressed format (PCM, wav...) to record your test. Any coding may ruin results.
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Very interesting, T-shop seems to have it on stock.
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That bass looks wonderful. I love dark, unlined necks. The top is also very neat.
Is the body chambered, do you have any hint of the weight? 10 or 8 lbs.?
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How about pink noise and one meter distance from the cabs? Looper is of interest, but I still would add some pink.
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3D printing gives us possibilities to do something that's not possible to do with ordinary/old ways. These include carving, machining etc. 3D printing is very feasible for short (and in some cases long!) production series. But printing is at its best when you are not able to do something with basic tools.
Costs... well, if printing enables something, it's worth it. There are pages where you can up- and download new designs to print, but I still believe we are only in the beginning. Metal printing is evolving, spare parts can be made to age old machines (classic cars, anyone?).
I really think that personalized stuff will be available to all of us sooner than later. Refining a bass body or a neck profile will be easier than ever. That does not exclude those beautiful wooden instruments made by top luthiers, but maybe a few PLA based trials and errors are much easier, and faster to do before doing the deep dive.
Long live beautiful basses.
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3 hours ago, Stub Mandrel said:
Personally I am interested in the potential 3D printing offers to incorporate wild designs and textures ...
...but most of the people want something that Leo did.
There's something similar with meat and those protein based particleboards. So many try to imitate meat, although I would love to see/taste something totally different. Meat is there for carnivores, what would there be for you, @Stub Mandrel, and me? Something personal instead of bulk products?
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Didn't Lincoln Goines have a good book about latin bass? This one:
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The set weighs approximately 64 lbs., where the Love Bomb, and Echorec are around 39 lbs., maybe?
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He has been here so long, I was interested to see some new work of his. Are these creations something like electric contra basses?
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Find a student of some music school. Their prices are decent, and enthusiasm at good level. If the first doesn't fit, try another student.
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Have tried/measured them side by side, or putting ends together? 0.5 degrees is not much.
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My favourite at the moment is KMA Queequeg 2. It is simplistic looking, but very powerful. I think I like it even more than my Cog T-16.
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There's a Status/Trace bass for sale at the moment that would fit well to this thread.
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The top looks exotic, and nicely carved (note the slap'n'pop shape between the neck and the pickup). Electronics include XLR output, so this has to be handmade and high quality, Alembic style. Price has been far over £1000.
Check this out for the FB pages:
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But that looks like it will be showed in some woodworking fair! In other words, one really good looking board.
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Sandberg TM4 - Pick up change?
in Repairs and Technical
Posted · Edited by itu
Signal levels from the power amp, and line level are decades away from each other. Not comparable.
But pickup outputs are not so very different, or the amp inputs should be very different. We already know that hi-Z pickups may be higher in output than lo-Z ones, but the ballpark is the same. The impedance (Z) can vary more.
If the pickup has some non-bypassable circuitry, it still does not affect the functionality of a (battery powered) preamp, does it? No battery, no sound, this is obvious. Bypassing a bass' pre then gives the sound of the pickups, no?
If we look at the system, it looks like this:
pickup (hi-Z) - tone stack - output
OR
pickup (hi-Z) - buffer (lo-Z) - tone stack - output
The first option's output is hi-Z, if the tone stack is hi-Z. If the stack is battery powered, output is lo-Z.
(The output impedance can be tweaked with certain choices in the preamp.)
A buffer can, and pretty often is, a voltage follower, i.e. the voltage stays the same, only the output impedance will be lower. EMG uses lower winding in the coils, so the circuitry amplifies the signal slightly. Then the output is in the same ballpark, as its hi-Z siblings.
The battery powered tone stack has buffers - usually a few - by nature. Now we add one more from the pickup, how are the preamp choices reduced?
This is how I understand bass' electronics. But true, it is quite some time from the university lectures.