Oscar Trezzini (with an exciting twist…) « Guitar Salon International


It’s been awhile since we’ve heard from luthier Oscar Trezzini who has been on the move and making some very interesting changes these past several years. We first met him and took interest in his work in 2007 when he was then living in Switzerland.

Oscar is originally from Argentina, and started his life as a guitar maker in Buenos Aires in 1982, initially under the tutelage of luthiers Pedro Malossetti and Héctor Curto. His early efforts produced a dazzling variety of different guitar types before he gradually refined his techniques and settled on the classical model, which he has built exclusively ever since. Once in Switzerland, we were introduced to him by Dominique Field, and we had several of Oscar’s guitars here in the ensuing years before losing touch with him. He recently re-established contact with us to let us know that he has just settled on the Portuguese island of Madeira, off the northwest coast of Africa and set up a new workshop with an ocean view and controlled humidity. His first guitars are already coming out and what a surprise they are…

Oscar and Daniel Friederich on the left.

Turns out in the intervening years Oscar was able to meet and befriend Daniel Friederich and acquire from him some very interesting items from his workshop, including several partially-built Friederich soundboards, Honduran mahogany for necks, and even the workbenches of both Friederich and of Robert Bouchet! Additionally, he also has many of their handtools, measuring devices and power tools, each small saw or machine has handwritten notes with dates and usage tips. Oscar admits that while having these workbenches and tools won’t necessarily make his guitars better, having them will remind him daily of his great affection and admiration for Daniel, which does create a flair of inspiration that is likely to manifest somehow in his work.

With Oscar’s advice, we selected materials for the next guitar he is building for us. As you can see in the photos, we have an exquisite set of marbled CSA rosewood with sap elements intertwined in the plumes of the darker hartwood. But, it gets better – he is choosing now between two cedar tops, both started by Friederich – you’ll notice in the photos the penciled measurements in Friederich’s hand, which he did after conducting his physical tests on the wood to note the results of the longitudinal and combined tension in addition to the density. As you can see the rosette areas are already emptied to embed the rosettes, and so Oscar has modified his rosette design to accommodate Friederich’s measurements exactly when the time comes to inlay his rosette. Additionally, from Friederich’s stock our guitar will have his African ebony for the fretboard, CSA Rosewood for the bridge and Honduran mahogany for the neck. For the tuning machines, Oscar continues to use Rodgers.

Malosetti’s joining method

In one of the guitars, Oscar is going to use one of the pre-worked necks by Daniel Friederich, with wood dated from 1960. However, he is going to replace Daniel’s scarf head-joint in favor of his personal method that he has been using for more than 25 years. Originally, Oscar learned this method from his first teacher, Pedro Malosetti. The Malosetti joining method is very effective, but it’s not traditional. It’s not similar to Hauser’s method either. This method, visible in the video clip below, is inspired by a technique used by luthiers to adjust baroque string instruments to a modern setup. Old instruments tend to have joints between the scrolls and the neck. Therefore the name of this technique in lutherie is “scroll-graft”.

See the sneak peek photos below. Both instruments look wonderful! Oscar shared with us that the guitars are different, but it’s impossible to decide which one is better.

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