JP133LR/MLR Tenor Trombone Bb/F

$1,149.00 NZD inc. GST

JP133LR/MLR Tenor Trombone Bb/F –┬áMedium Large and Large bore available

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The JP133LR/MLR Tenor Trombone Bb/F Is John Packer’s medium bore and medium large bore tenor trombone perfect for school ensembles, training bands and for those players who require a reliable Bb/F trombone but can’t justify the cost of a more expensive instrument. Well respected in developing high performing but affordable instruments, JP Musical Instruments have equipped the JP133LR/MLR with a rose brass bell giving it a fullness and maturity in tone that is usually not found at this level. The JP133LR/MLR also features a durable string rotor mechanism ensuring the development of players is supported as much as possible. Recommended by Andy Berryman of the Halle Orchestra, the JP133LR/MLR were described as “excellent value for money and ideal for the aspiring trombone player. I could get away with either of these on a Halle gig.”

The JP133LR Bb/F large bore tenor trombone boasts a slightly larger bell (8.5″) compared to its medium bore counterpart (8″) and features an increased bore measuring .547″ versus the .525″ bore of the JP133MLR. Both models feature a bell ring providing a robust structure and a rose brass bell ensuring a full, dark sound.

The JP133LR/MLR Bb/F Tenor Trombone is supplied with a JP605 mouthpiece and lightweight case. The case features backpack straps and a shoulder strap and includes a small external storage pocket enabling players to store small accessories and sheet music with their instrument.

Manufactured to a high quality standard as is expected with all JP Instruments, The JP133LR/MLR Bb/F Tenor Trombone is guaranteed for 12 months against faulty manufacturing or materials and is fully tested prior to sale.


  • Key: Bb/F
  • Bore: JP133LR: .547″ JP133MLR: .525″
  • Bell: JP133LR: 8.5″ Rose brass bell JP133MLR: 8″ Rose brass bell
  • Slide: Yellow Brass
  • Valves: Bb/F Rotary valve
  • Waterkeys: 1
  • Finishes: Lacquer
  • Additional features: Bell ring
  • Supplied with: JP605 mouthpiece, lightweight case

Andy Berryman, Principal Trombone Halle Orchestra, Professor of Trombone Royal Northern College of Music “The build on the Bb is exceptional and yet the Bb/F is even better. It feels as you would expect a professional model to feel. The sound is a little more centred than the Bb. The valve has a free, quick and precise action and all the notes work well. The F side notes are great all the way down to bottom D’s and the pedals below.

The case has a very high specification (based upon the current Bach Stradivarius cases) and this also comes complete with rucksack straps for greater convenience.

Both instruments (the JP131 too) represent excellent value for money and are ideal for the aspiring trombone player. I could get away with either of these on a Halle gig.”

Additional information

Bore Size

Medium Large, Large


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