Thomann proBONE 4 GM Bb-/F-Tenor Tromb

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Thomann proBONE 4 GM Bb-/F-Tenor Tromb

Thomann

proBONE 4 GM Bb-/F-Tenor Tromb

4.9 Expert Rating

Product Info

Article Number: 413660
Brand: Thomann
Model: proBONE 4 GM Bb-/F-Tenor Tromb
Price: $1,065.90

* Prices may vary. Check retailer for current pricing and availability.

The Thomann proBONE 4 is a surprisingly capable instrument, offering a good balance of quality and affordability. The gold brass bell provides a pleasing, focused tone that’s great for student to intermediate players and those needing a reliable, versatile trombone for a variety of musical situations. It's a solid choice for school bands or players looking for a dependable workhorse.

Product Description

  • Thomann proBONE 4 GM Bb-/F-Tenor Tromb
  • Bb/F Tenor Trombone
  • Bore Ø: 13.34 mm (0.525")
  • Bell made of gold brass
  • Bell Ø: 203 mm (8.0")
  • Exterior made of nickel silver
  • Tuning slide made of gold brass
  • Solid leadpipe
  • With clear lacquer finish
  • Includes a mouthpiece
  • Reka cleaning set
  • Super Slide and a case
PROS
  • • Gold brass bell delivers a warm, resonant tone with excellent projection
  • • Solid leadpipe improves response and intonation across the range
  • • Nickel silver exterior offers durability and a professional appearance
  • • Includes accessories like a cleaning set and Super Slide for immediate usability
CONS
  • • The 13.34mm bore might feel a bit tight for advanced players accustomed to larger bores
  • • Nickel silver exterior, while durable, can be prone to minor scratches
  • • The included mouthpiece is a decent starter, but an upgrade will likely be desired

Product Video

Key Features

Bore Size 13.34 mm (0.525 in)
Bell Size 203 mm (8.0 in)
Material Gold brass bell, nickel silver exterior, gold brass tuning slide
Valve Type F-attachment
Finish Clear lacquer
Mouthpiece Generic Thomann mouthpiece (model not specified)
Weight Approximately 4.5 lbs (2.04 kg)

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Frequently Asked Questions

The 13.34mm bore produces a slightly more focused and controlled sound than larger bores, which might feel a little less 'open' but can be easier to manage for developing players.
Nickel silver is relatively resistant to tarnishing, but regular polishing with a suitable silver polish will keep it looking its best and prevent any build-up.
The Super Slide helps reduce friction and improve smoothness, making slides easier to manipulate and potentially improving intonation, though its impact will be most noticeable with regular use.

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