COLT Duo 90º acoustic end button for cello
COLT Duo 90º acoustic end button for cello
COLT Duo 90º acoustic end button for cello
COLT Duo 90º acoustic end button for cello
COLT Duo 90º acoustic end button for cello
COLT Duo 90º acoustic end button for cello
COLT Duo 90º acoustic end button for cello
COLT Duo 90º acoustic end button for cello

COLT Duo Acoustic End-button 90º

FASTER COLT DUO – Acoustic End-Button – Cello, has been developed from the FASTER PRO violin model and adapted to the acoustic characteristics of the cello. It features an elaborate, compact, and complex design that enhances the cello’s sound and tonal quality, combined with increased harmonics and improved acoustic emission.

By incorporating two specific silver tubes with internal compressors, the FASTER COLT DUO eliminates the residual air generated inside the cello’s soundboard, which limits its vibration capacity. It reproduces the vibrations of the lower area of the cello’s soundboard and other adjacent parts, generating a significant amount of acoustic power and contributing to the growth of harmonics, which are reinforced by increasing the intensity of the emerging air collected by the two silver tubes.

FASTER COLT DUO substantially inhibits vibration dispersion. works on the cello as an “all-in-one”:

  • Enhances radiated energy.
  • Amplifies sound production and acoustic projection.
  • Distributes and organizes the frequency spectrum.
  • Offers high acoustic stability under pressure and humidity variations.
  • Increases harmonic production.
  • Expands dynamic range.
  • Increases timbre quality.
  • Facilitates playing.
  • Increases response speed.
  • Reduces, in most cases, the production of wolf tones.
  • Eliminates, in specific cases, the production of wolf tones.
  • Prevents the loss of a large portion of the acoustic energy produced by the cello as well as the transfer of unwanted frequencies.
  • Transmits the recovered energy, acting as a passive amplifier.

The COLT DUO is the ideal complement to the FASTER Artica, Dorna, and Meiga acoustic end pins for cello, as well as the BELTON acoustic stoppers. The combination of these elements undoubtedly offers an abundant amount of quality sound and great playability.

When you need to install your COLT DUO on a different cello, simply purchase a replacement COLT Cone, adapt it to the new instrument, and attach your COLT DUO

1.240,00 €

Taxes / VAT and shipping not included

TECHNICAL CHARACTERISTICS                 

  • End-Button with a single size, suitable for any 10 mm diameter cello end pin.
  • Weight: ± 63gr.
  • Measurements and t: 3.5 x 3 x17cm.
  • Offers great comfort and precision in opening and closing, exerting a high degree of coupling force with approximately half a turn of the tightening knob.
  • Simple assembly system using an easily adaptable universal cone (from ∅ 28 to 25 mm) machined from insulating thermoplastic resin.
  • Dynamic interior blocking system against parasitic vibrations, made of elastic polymer with maximum mechanical resistance.
  • End-Button made of composite with high dimensional stability, excellent hardness, and density that favors the speed of sound propagation. This material offers high resistance to traction, deformation, and wear due to friction.
  • Two 935 silver tubes, 8.4 and 9.9 cm respectively, and 7 mm in diameter, with brass and silver compressors.

  • Mischa Maisky

    Cello soloist

    Dear José María,

    I am incredibly satisfied and surprised by the discovery of your sound enhancement creations. You have taken a different and brave path with your FASTER innovations and the result is amazing.

    Harmonics, volume, quality, ease, response, projection and, in short, a barrage of sound with FASTER Artica Cello endpin and BELTON Grafit & Ellic Cello Stoppers. I’ve never tried anything like it, nothing so overwhelming.

    This is renewable energy, don’t miss it on your cello!

  • Vadim Repin

    Violin soloist

    Dear Jose Maria,

    I have installed the FASTER Silver – Violin on my Stradivari and it instantly produced an immediate and amazing effect on the instrument. All potential of the violin in my view goes big step up.

    Bravo!

  • Boris Garlitsky

    Concert Master of the London Philharmonic Orchestra, Guest Leader of the London Symphony Orchestra and Orchestra of the Royal Opera Covent Garden, Professor at the Paris Conservatory /CNSMDP/, Folkwang Universität der Künste Essen

    Dear Jose Maria, I must say that your FASTER is without a doubt the most amazing violin accessory I have ever owned.

    On my violin it makes the sound much broader and more complete. I’ve had a pretty big wolf on the G string. With the Faster it’s completely gone.

    I installed the FASTER Silver and adjusted the violin at the same time, and since then the sound of my violin has remained constant and unchanged despite travel and seasonal changes.

    Thank you very much and congratulations!

  • Jean-Guihen Queyras

    Cello soloist

    I am amazed by the FASTER Artica cello acoustic endpin!

    Full spectrum of sound, impressive edge! Enjoy!.

  • Alissa Margulis

    Violin soloist

    I am very grateful, impressed and unexpectedly surprised to have received my violin G.B. Guadagnini back, after great Luthier Mr. Lozano has done a new set up and introduced to me and my violin his incredible invention, the FASTER.

    I couldn’t believe during every day violin playing how much it improved and changed the sound to even fuller, more colorful, projecting sound, giving clearance and making sound production easier.

    Truly a miracle!

    I only can recommend and wish to all fellow string players to have the luck to experience the same.

    The FASTER is truly an unbelievable and visionary invention that will become very popular and perhaps inevitable.

    Thank you.

  • Giovanni Battista Fabris

    Concertmaster - Orchestra del Teatro Carlo Felice. Genova, Italy

    Dear José María, with FASTER, you have come up with a marvelous invention that has no adverse effects on the health and sound of the instrument.

    There is no physical alteration to the instrument since the setup method entails a conical adaptor that makes it unnecessary to modify the end button. Consequently, there is no reason not to try it.

    As regards sound, FASTER can enhance the harmonics of any amplitude because its task is to eliminate any conflict between tones. That brings about a large sound flow that comes quickly out of the violin, thus resulting in a more natural and relaxed manner of playing and the elimination of right-arm frictions.

    The lack of conflict during the tone production allows us to reach performing speeds that previously demanded effort, with total clarity. Besides, it softens or eliminates wolf tones.

    When playing double stops on the A and E strings, Tartini’s third tones are at all times noticeable, and they rarely are.

    The feeling of touching the strings with the bow is more pleasant, and you can put up more weight without disrupting the sound. You can increase bow speed without it slipping, and, likewise, achieve longer steady sounds. When you play chords, as in Bach, low tones keep persistently ringing.

    The quality of the sound becomes more beautiful. It might seem brighter, but that is an early impression, it is just more fluent and transparent. Besides, had the violin a nasal sound, FASTER gets to transform it.

    Try to play double-harmonic passages, and you will notice apparent ease of performance. I had that same feeling when I borrowed a Guarneri del Gesù for a year.

    I forgot something important: you can perceive a good amount of sound in the right ear because the sound projection is such that you can hear it from far away.

    Bravo, maestro, for your ingenuity, wisdom, and talent in going into the production and quality of sound.

    Much appreciated,

  • Asier Polo

    Cello soloist - Spain

    Since I started to use the FASTER Artica 600 Titanium and Silver cello endpins, I have noticed the sound of my cello more round, noble, and generous. They increase sound projection to a large extent, and also the quality of my instrument. Besides, I feel more comfortable at playing, allowing me to produce a malleable sound.

    They are undoubtedly the best endpins I have ever had, and I am sure many cellists will feel the same way when they get one.

    I am sure it will be my cello’s best ally for many years to come.

  • Enrico Dindo

    Cello Soloist & Conductor - Lugano, Switzerland

    Dear José María, I have tried the FASTER Artica 600 cello endpin, and I like it very, very much! It is still on my cello!

    My sensation is of more sweetness under my left fingers and faster string response under my bow. In the end, more colors, more sound projection.

    I will show it to all my students and fellow cellists!

    Congratulations, and thank you!