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| French Horn | Rim Diameter | Throat | Cup Depth | Rim Width |
| FH-5 | 0.668 | 0.228 | 1.155 | 0.135 |
| FH-1 | 0.678 | 0.165 | 0.787 | 0.152 |
| FH-1.5 | 0.678 | 0.185 | 0.787 | 0.152 |
| FH-2.5 | 0.679 | 0.175 | 0.995 | 0.152 |
| FH-2.75 | 0.679 | 0.185 | 0.995 | 0.152 |
| FH-200 | 0.685 | 0.18 | 0.985 | 0.15 |
| FH-2 | 0.685 | 0.183 | 1.025 | 0.151 |
| FH-3 | 0.7 | 0.173 | 1.05 | 0.142 |
| FH-3.25 | 0.7 | 0.185 | 1.05 | 0.142 |
| FH 3.5 | 0.7 | 0.173 | 1.01 | 0.14 |
| FH-3.75 | 0.7 | 0.185 | 1.01 | 0.14 |
| FH-4.25 | 0.705 | 0.173 | 1.045 | 0.138 |
| FH-4.5 | 0.705 | 0.185 | 1.045 | 0.138 |
| FH-310 | 0.705 | 0.182 | 1.2 | 0.156 |
| Boston Brass | 0.738 | 0.186 | 1.07 | 0.140 |
4.25 French Horn Mouthpiece – The Orchestral Sweet Spot: Balanced Power, Rich Depth, Effortless Control
In the sophisticated world of orchestral and large ensemble French horn playing — where the instrument must provide rich tonal depth, seamless blending, and the projection to support the full orchestra without overpowering or losing musicality — one mouthpiece strikes the perfect balance: the 4.25. This design channels your energy with exceptional clarity and warmth — delivering a powerful yet refined sound that projects beautifully while remaining centered, even, and lyrical. The 4.25 combines a generous rim for comfort, security, and embouchure stability during long orchestral services with a deep cup that generates substantial tonal core and resonance — ideal for players who need authoritative low and mid-register presence without sacrificing flexibility or response. The backbore and throat are precisely tuned to provide ample airflow and dynamic freedom, allowing effortless contrasts from delicate pianissimos to bold fortissimos. The result is a mouthpiece that gives orchestral players the richness and projection needed to sit perfectly in the section, support climaxes, and sing through exposed passages — all with the clarity, control, and musicality that define professional horn playing.
Key Specs & Highlights:
Why orchestral and large ensemble players choose the 4.25:
This is the mouthpiece for French horn artists who seek the ideal middle ground between power and finesse — the one that lets you blend beautifully while still standing strong when the music requires it. Giddings Mouthpieces: The largest stainless steel selection in the world, crafted with harder, more resistant materials that project clearer, respond faster, and last forever. Experience the 4.25 and discover the sweet spot where orchestral depth meets effortless musicality — because the best players deserve a mouthpiece that feels just right.
We carefully pack every mouthpiece to ensure it arrives in perfect condition. Orders are processed within 1–2 business days and shipped with tracking provided once dispatched.
If you're not completely satisfied, returns are accepted within 14 days of delivery. Items must be unused and in original condition.
For any shipping or return inquiries, please contact our support team — we’re happy to help. CONTACT US
Collections: French Horn
Category: .173 , 175 , American , European , French Horn , Standard Mouthpiece
Type: French Horn
Driven by a deep passion to enhance response, articulation, and overall playing ease, Ivan Giddings channeled his extensive understanding of brass performance into innovating mouthpiece design. Starting with just an idea to create better mouthpieces, his relentless drive led to the development of truly unique designs that prioritize superior playability and sound.
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