






















Backun Q-Series Bass Clarinet Overview
The Backun Q-Series Bass Clarinet with range to low C is a professional bass clarinet built for advanced ensemble, orchestral, chamber, and solo performance. Crafted from grenadilla with a matching grenadilla neck and bell, this instrument is designed for a focused, resonant core, stable intonation, and consistent response across the full range. Its low-C extension provides secure sub-register playing, while the double-vent register mechanism supports a smoother break and a clearer upper register. Gold-plated posts, silver-finish keywork, waterproof pads, and modern ergonomics make this Q-Series a refined, practical choice for players stepping into a professional low-C bass clarinet or seeking a dependable performance instrument.
Backun Q-Series Bass Clarinet Specifications
- Key: Bb
- Range: Low C
- Model: BCLBBQG-C-SKG
- Body Wood: Grenadilla, also known as African blackwood
- Neck and Bell: Matching grenadilla neck and bell
- Keywork: Nickel-silver mechanism with silver finish and gold-plated posts
- Register System: Double-vent register mechanism
- Pads: Premium waterproof pads
- Case: Original case with shoulder and backpack straps
- Accessories: Adjustable floor peg, swab, cleaning cloth, cork crease (no mouthpiece)
- Serial number: QLC-0544
Condition & Setup
Lightly used instrument in superb condition. It has been professionally serviced, set up, and play-tested by our woodwind specialists to verify response, pad seal, key regulation, and overall mechanical function. May show light handling evidence from use. Inspected for performance reliability before sale.
Who the Q-Series Bass Clarinet Is For
The Backun Q-Series Bass Clarinet is a professional low-C bass clarinet designed for advanced students, conservatory players, doublers, and professional woodwind players who need a stable, orchestral-ready instrument with modern keywork. Its tonal profile is warm and centered, with a resonant grenadilla core that supports both blended section playing and clear solo projection.
This model is especially appropriate for players moving up from a school or intermediate bass clarinet who need improved intonation, quicker articulation, and more secure low-register response. The low-C extension gives the instrument authority in the sub-register, while the even scale, comfortable hand position, and double-vent register system help technical passages feel controlled across the break and into the upper clarion.
Common Questions About The Backun Q-Series
Is the Backun Q-Series Bass Clarinet suitable for professional use?
Yes. The Backun Q-Series Bass Clarinet is built as a professional low-C bass clarinet with grenadilla construction, a precision bore design, modern ergonomics, and stable response across the full range. It is suitable for orchestral, wind ensemble, chamber, solo, and doubling work.
What does the low-C extension add for an advanced bass clarinetist?
The low-C extension expands the written range below low Eb, allowing the player to perform modern orchestral, wind ensemble, chamber, and solo repertoire that requires low D, Db, and C. On this Q-Series model, the low-C register is designed for a confident seal, centered pitch, and stable response.
How does grenadilla affect the sound of this bass clarinet?
Grenadilla gives the Q-Series Bass Clarinet a dense, focused tonal core with refined overtones and quick articulation. Compared with many student composite instruments, it offers a more complex orchestral color and stronger resonance for advanced playing situations.
We are proud to be an authorized Backun dealer
In stock! Ships within 1-2 business days.
30-day risk-free trial
2-Year Warranty
Complimentary shipping for all U.S. orders over $99
Backun Q-Series Professional Bass Clarinet in Grenadilla with Silver Keys/Gold Posts
Backun Q-Series Bass Clarinet Overview
The Backun Q-Series Bass Clarinet with range to low C is a professional bass clarinet built for advanced ensemble, orchestral, chamber, and solo performance. Crafted from grenadilla with a matching grenadilla neck and bell, this instrument is designed for a focused, resonant core, stable intonation, and consistent response across the full range. Its low-C extension provides secure sub-register playing, while the double-vent register mechanism supports a smoother break and a clearer upper register. Gold-plated posts, silver-finish keywork, waterproof pads, and modern ergonomics make this Q-Series a refined, practical choice for players stepping into a professional low-C bass clarinet or seeking a dependable performance instrument.
Backun Q-Series Bass Clarinet Specifications
- Key: Bb
- Range: Low C
- Model: BCLBBQG-C-SKG
- Body Wood: Grenadilla, also known as African blackwood
- Neck and Bell: Matching grenadilla neck and bell
- Keywork: Nickel-silver mechanism with silver finish and gold-plated posts
- Register System: Double-vent register mechanism
- Pads: Premium waterproof pads
- Case: Original case with shoulder and backpack straps
- Accessories: Adjustable floor peg, swab, cleaning cloth, cork crease (no mouthpiece)
- Serial number: QLC-0544
Condition & Setup
Lightly used instrument in superb condition. It has been professionally serviced, set up, and play-tested by our woodwind specialists to verify response, pad seal, key regulation, and overall mechanical function. May show light handling evidence from use. Inspected for performance reliability before sale.
Who the Q-Series Bass Clarinet Is For
The Backun Q-Series Bass Clarinet is a professional low-C bass clarinet designed for advanced students, conservatory players, doublers, and professional woodwind players who need a stable, orchestral-ready instrument with modern keywork. Its tonal profile is warm and centered, with a resonant grenadilla core that supports both blended section playing and clear solo projection.
This model is especially appropriate for players moving up from a school or intermediate bass clarinet who need improved intonation, quicker articulation, and more secure low-register response. The low-C extension gives the instrument authority in the sub-register, while the even scale, comfortable hand position, and double-vent register system help technical passages feel controlled across the break and into the upper clarion.
Common Questions About The Backun Q-Series
Is the Backun Q-Series Bass Clarinet suitable for professional use?
Yes. The Backun Q-Series Bass Clarinet is built as a professional low-C bass clarinet with grenadilla construction, a precision bore design, modern ergonomics, and stable response across the full range. It is suitable for orchestral, wind ensemble, chamber, solo, and doubling work.
What does the low-C extension add for an advanced bass clarinetist?
The low-C extension expands the written range below low Eb, allowing the player to perform modern orchestral, wind ensemble, chamber, and solo repertoire that requires low D, Db, and C. On this Q-Series model, the low-C register is designed for a confident seal, centered pitch, and stable response.
How does grenadilla affect the sound of this bass clarinet?
Grenadilla gives the Q-Series Bass Clarinet a dense, focused tonal core with refined overtones and quick articulation. Compared with many student composite instruments, it offers a more complex orchestral color and stronger resonance for advanced playing situations.
We are proud to be an authorized Backun dealer
Pairs well with
In stock! Ships within 1-2 business days.
30-day risk-free trial
2-Year Warranty
Complimentary shipping for all U.S. orders over $99

Backun Q-Series Professional Bass Clarinet in Grenadilla with Silver Keys/Gold Posts
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
-
Shipping Information
Orders valued over $99 ship via FedEx 2-Day within the U.S. and via DHL internationally. A physical address (no P.O. Boxes) and signature are required. Smaller accessories ship via USPS (2–5 day service) and do not require a signature if valued under $99. Please see our FAQ for additional details.
-
Return Policy
We offer an unconditional 30-day return policy to ensure you’re completely satisfied. If you’re unhappy for any reason, return the item for a full refund or full exchange credit (reeds and other consumables are non-returnable once opened). Every instrument we sell is guaranteed to be free of mechanical defects—if an issue arises, contact us and we’ll either reimburse a local repair or provide a prepaid return label for repair, exchange, or refund. If you simply change your mind, you may still return the item for a full refund, but return shipping costs are the customer’s responsibility unless free returns were purchased through Redo at checkout. Please see our FAQ for additional details.
-
Shop Warranty:
Brand new items are covered by the full manufacturer’s warranty unless otherwise noted (see the individual maker for details). Open box/refurbished, used, and vintage items include a two-year warranty serviced by our in-house repair shop, and we guarantee every instrument will be free of mechanical defects. Warranty coverage does not include damage from accident, misuse, negligence, improper operation, unauthorized alterations or removed serial numbers, normal wear and routine maintenance, environmental damage (including perspiration, corrosion, or extreme temperature and humidity), lacquer or plating wear, or consumable parts such as springs, pads, and felts. Please see our FAQ for additional details.

