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Double Bass Fifths Tuning!

Great advice on the Evah Slap E! Pirastro just solved the G string problem for the Evah set.

If you want a C string that blends better with Evahs than a Spirocore C I recommend the Obligato rope core C for fifths tuning. I thought it sounded less mushy than the standard fifths tuning string.

I calculated tension for this set on my bass:

Obligato rope core C for fifths tuning - 62.7 lbs
Evah Pirazzi Slap E tuned to G - 63.7 lbs
Evah Pirazzi Orchestral D - 63.3 lbs
Evah Pirazzi Solo A - 68.5 lbs

They sounded very similar - lots of fundamental but also an articulate edge on the D and A when pushed.

As the A string was a little tight, I tried an Obligato Solo A @ 64.6 lbs.

While its tension matched the other strings nearly perfectly - its tone did not. It lacked the bassy fundamental that Evahs had, and sounded 'thin'. I can see why people like obligato for pizzicato though - that A string pizzicato was amazingly clear with loads of 'mwah'. But it did not match the darker and thuddier tone of the Evahs. The arco tone was also horrid - raw and unrefined, unlike the Evahs. I suppose if I played it longer it would calm down, but I was so unhappy with it I switched back to the Evah Solo A.

I have a Permanent solo A and orchestral D on order to try with Spirocore Red Mitchell 3/4 C and G. String tensions look extremely close, and Edgar Meyer sounds great for both pizzicato and arco on a blended Spirocore / Permanent set, so I am looking forward to trying these.

Spirocore Red Mitchell 3/4 C -69.0 lbs
Spirocore Red Mitchell 3/4 G - 68.6 lbs
Permanent Orchestral D - 66.6 lbs
Permanent Orchestral Solo A - 67.2 lbs
 
I'm based in the Netherlands and the only place that I can find 3986 sets for sale in Europe at the moment is directly from Thomastik-Infeld. I noticed the price discrepancy at their online store. Bassico in Germany has stocked 3986 sets in the past but currently has only 3985 sets and some leftover 4/4 weichs (which are no longer made and not the tension that I'm after). When I've bought Red Mitchell Spiros in the past (as recently as last year), 3/4 and 4/4 mittels were always the same price. Gollihur's is a fantastic shop but it seems a little bit environmentally irresponsible to ship EU made strings back from USA (plus there are those tarrifs)...
 
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Ok.
FWIW, Pirastro is also offering the Obligatos in fifth tuning sets.
And they feel looser than Spirocores. (but don't last that long unfortunately... :)
Thanks. My style of playing doesn't work well with Obligatos. Last time I bought a set they were falling apart after six months. I've been tempted to try the temperas but after pouring over the TB threads I have some reservations about their longevity as well. Perhaps I just need to chill the f out and play more gently lol.

I was a devoted gut player when I switched to fifths (almost 10 years ago now?!?). At that time I bit the bullet and got Sonores. Incredible strings but during covid I just wasn't making enough money to commission a new set. On a lark I purchased the Red Mitchell Spirocores and to my surprise, discovered that I Iove their sound for both arco and pizz. Plus they can take a lot of agressive playing and don't break the bank when they get broken. I seem to get around 1.75 - 2 years out of the Red Mitchell Spiros before they lose all their overtones or break.

Anyway, I was just curious why Thomastik Infeld are now pricing the RM 4/4 sets significantly higher than the 3/4. It's probably supply/demand. At least today I figured out that an internet search in German turned up a few other European supliers still selling them at the old price. It might be time to stock up...
 
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