SKU: 51336510605

Protec PB309CT Bass Trombone Contoured PRO PAC Case

Sale price$114.37 Regular price$127.08
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Ships within 48 hours · Estimated delivery Sep 25 - Sep 30

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Description

Protec PB309CT Bass Trombone Contoured PRO PAC CaseProtec PRO PAC Bass Trombone Case Overview The Protec PB309CT Contoured PRO PAC Bass Trombone Case is a lightweight, wood frame bass trombone case designed to provide the protection of a traditional case with the storage convenience of a gig bag. Built around Protecs patented PRO PAC concept (introduced in 1984), it uses a shock absorbing frame, a secure instrument fit, and a weather resistant ballistic nylon exterior, plus dedicated compartments for

Protec PRO PAC Bass Trombone Case Overview

The Protec PB309CT Contoured PRO PAC Bass Trombone Case is a lightweight, wood-frame bass trombone case designed to provide the protection of a traditional case with the storage convenience of a gig bag. Built around Protec’s patented PRO PAC concept (introduced in 1984), it uses a shock-absorbing frame, a secure instrument fit, and a weather-resistant ballistic-nylon exterior, plus dedicated compartments for slide, mouthpiece, and accessories—making it a practical choice for daily transport, rehearsals, and travel.

Protec PB309CT Bass Trombone Case Features

  • Instrument compatibility: Bass trombone
  • Weather-resistant exterior: Made of extremely durable 1680 ballistic nylon and reinforced with zig-zag stitching
  • Wood frame: Lightweight shock absorbing wood frame keeps your instrument safe
  • Padded handle wrap: Super comfortable and features a long-lasting hook and loop closure
  • Rope handles: Main and subway handles made of durable rope with reinforced stitching
  • QuickLock: Allows you to securely shut an empty case without zippering
  • Shoulder strap: Features a large non-slip adjustable shoulder pad and strong metal clips
  • Metal hardware: Strong and high-quality metal hardware designed to last
  • Rubber feet: Sturdy custom-designed rubber feet
  • Long-lasting zippers: Custom-designed strong zippers. Main compartment zippers feature a lock hole
  • Rubber runners: Protects corners and zipper from impact
  • Large gusseted front pocket: Perfect for storing smaller accessories. Can also fit a trombone stand
  • Built-in organizer: Located in the main pocket; features 3 pen holder sleeves and 2 zippered pockets
  • Soft lining: Interior is lined with breathable and non-abrasive, padded velvet
  • Instrument strap: Adjustable padded strap with buckle closure to keep your instrument in place
  • Slide storage: Located in roof of case with a padded cover and secure hook and loop closure
  • Large accessory compartment: Completely padded with zipper closure. Separate padded mouthpiece pouch with hook and loop closure located inside
  • Small accessory compartment: Elastic band keeps lid closed, with knob for easy opening

Protec PB309CT Specs & Fit Information

  • Fits most bass trombone makes and models
  • Accommodates bells up to 11" (279.4mm)
  • Fits most open or closed wrap horns

Condition 

Brand new with tags

Who the PB309CT Bass Trombone Case is For

The Protec PB309CT is a contoured protective case for bass trombone that balances secure, instrument-specific protection with the accessory capacity players expect from a gig bag. It is designed for students, freelancers, and working professionals who need a dependable everyday case for commuting, school, rehearsals, and pit work, especially when you want organized storage without moving to a heavy traditional wood case.

Within Protec’s PRO PAC line, the PB309CT stands out for its engineered fit, lightweight shock-absorbing wood frame, and practical transport features: rope handles (main and subway), a padded handle wrap, custom rubber feet and runners for impact protection, and QuickLock to secure an empty case without fully zippering. Storage is purpose-built for trombone use, including roof-mounted slide storage with a padded cover, a large padded accessory compartment, a small accessory compartment with an elastic closure, and a large gusseted front pocket that can also fit a trombone stand. Materials are responsibly tested to be free of Lead, DEHP, PAHS8, DBP, and BBP.

Common Questions about the Protec PB309CT

Will the Protec PB309CT fit my bass trombone?

The PB309CT fits most bass trombone makes and models, accommodates bells up to 11 inches, and is designed to work with most open-wrap and closed-wrap instruments.

How protective is the PB309CT compared to a traditional wood case?

The PB309CT uses a lightweight, shock-absorbing wood frame paired with a contoured instrument fit, padded interior lining, and an internal strap to help keep the horn secure during transport.

What storage does the PB309CT include for slide and accessories?

It includes dedicated roof-mounted slide storage with a padded cover, a large padded accessory compartment, a separate padded mouthpiece pouch, a smaller accessory compartment, and a large gusseted front pocket with a built-in organizer.

We are proud to be an authorized Protec dealer

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 51336510605

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Ramr Imari
Battle Creek, US
★★★★★ 5
Excellent Air filter - Easy installation.
Style: BE-743 1-Pack
Excellent AC and Heater Cabinet odor defense air filter. I noticed immediately the smell coming out of the vents was fresher and the musty smell that was coming from the vents was crisper and cleaner. Very easy installation that you can do yourself and don’t need to pay a shop to do. The price is one of the best online and coms in quickly. It’s very sturdy, filter quality is excellent and it definitely improves the air quality and flow in your car. Fits perfectly like any OEM filter, this is a great buy for the price of an installation that will take you Les then 10 minutes to do yourself.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
K
Verified Purchase
Khaleesi
Alexandria, US
★★★★★ 5
Great filter and easy installation
Style: BE-159 1-Pack, Style: BE-159 1-Pack
For my 2016 Hyundai Sonata Hybrid Limited. I cannot believe I paid so much more for a brand-name filter that does the same thing as this one. It is made of the same material as the dealer one I took out. Very easy to install, cant believe I paid for this to be done in the past with oil changes. Requires no tools and did not get dirty at all. No mechanical skills needed, especially if you run into trouble and can use YouTube. PROS - great quality, cannot tell that it is after-market - very professionally made, not irregularities seen - excellent fit in position, no adjustment needed - very easy to install, cannot believe I paid to have this done in the past - no mechanical skills needed to install - great price compared to what big name productions want for the same thing - cannot tell the difference in air quality between this and the dealer filter I took out - removes outside odor completely - did not require tools are getting dirty CONS - None
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Reviewed in the United States on May 30, 2026
J
Verified Purchase
JimXeod
Boise, US
★★★★★ 5
Fits perfect and works as designed. Flows like OEM and looks well made.
Style: BE-553B 1-Pack
This filter is very comparable to the stock filter. Fits the BMW G20 just like OEM. I would not say it is two times "heavier" as advertised on the box, but it is very comparable to stock. It's the same weight and similar construction. BMW has a very robust cabin filter. This will be my go to. I did purchase another aftermarket cabin filter that fit well, but was thin, flimsy and had a bad chemical odor. This one is fine and airflow is the same as OEM. I change them every year or so. I don't worry too much about longevity with cabin filters personally.
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Reviewed in the United States on May 15, 2026
S
Verified Purchase
S. Phillips
Boise, US
★★★★★ 4
Good quality but it was slightly longer than original and needed modification.
Style: BE-182 1-Pack
Bought this cabin filter for a 2023 Acura TLX. While the filter seems to be made of quality material, it was just a little too long (about a 1/16 of an inch, so I had to trim it to make it fit so the cover would fit snug. I was able to do that without compromising the filter itself. But this might be an issue for some people
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Reviewed in the United States on May 8, 2026
K
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Keith Granholm
San Leandro, US
★★★★★ 5
Fits my Chevy 2021 Bolt Premier perfectly.
Style: BE-966 1-Pack
Installation was a breeze, fir nicely and the air in teh car now smells fresh and clean. The old filter has developed a musty smell so this new one is great. Had it replaced in under 3 minutes.
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Reviewed in the United States on May 18, 2026

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