SKU: 70036691688

Yamaha YOB-441IIMT 'Duet' Intermediate Grenadilla Oboe

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Description

Yamaha YOB-441IIMT 'Duet' Intermediate Grenadilla OboeYamaha YOB 441IIMT Oboe Overview The Yamaha YOB 441IIMT Duet is an intermediate C oboe built on Yamahas 441 series platform, updated with added keys and performance focused refinements for comfort and reliable response. It features a solid grenadilla wood body with a lined upper joint designed to help reduce cracking risk, plus Yamaha Duet Plus technology with an injection molded inner bore in the upper joint for consistency. The 441IIMT revision

Yamaha YOB-441IIMT Oboe Overview

The Yamaha YOB-441IIMT Duet is an intermediate C oboe built on Yamaha’s 441 series platform, updated with added keys and performance-focused refinements for comfort and reliable response. It features a solid grenadilla wood body with a lined upper joint designed to help reduce cracking risk, plus Yamaha Duet Plus technology with an injection molded inner bore in the upper joint for consistency. The 441IIMT revision includes a third octave key, intended to make upper-register playing more secure and less fatiguing for advancing players.

Yamaha YOB-441IIMT Oboe Specifications

  • Level: Intermediate
  • Key: C
  • Key System: Modified Conservatoire
  • Bore Style: American
  • Octave System: Semi-automatic with third octave key
  • Body Material: Grenadilla (upper joint lined); grenadilla lower joint and bell
  • Upper Joint: Injection molded inner bore using Yamaha Duet Plus technology
  • Keys: Silver-plated nickel silver; blue steel springs
  • Case: Original Yamaha case

Condition & Setup

This oboe has seen very little playing time and is in superb condition. Pads and key action show minimal wear. It has been professionally serviced, set up, and play-tested to confirm proper seal, regulation, and response. Includes the original case and original manufacturer’s accessories.

Who the YOB-441IIMT Oboe Is For

The Yamaha YOB-441IIMT is an intermediate grenadilla wood oboe designed for advancing students and doublers who need conservatory-style keywork and stable intonation in a durable, performance-oriented build. Its tonal character is centered and clear with the projection and complexity expected from grenadilla, while the American-style bore supports familiar response for many players trained on U.S.-style setups.

What distinguishes the YOB-441IIMT within Yamaha’s 441 lineup is the updated mechanism that includes a third octave key and other ergonomic improvements aimed at reducing strain and improving ease in the upper register. For players moving from a student oboe toward ensemble, youth orchestra, or pre-conservatory repertoire, it offers a practical step-up platform with Yamaha’s consistency-focused design approach.

Common Questions About the Yamaha YOB-441IIMT

What does the third octave key on the YOB-441IIMT do?

The third octave key is an additional octave mechanism that helps stabilize and simplify certain high-register notes, improving security and reducing effort compared with instruments that have fewer octave options.

Is the YOB-441IIMT suitable for serious intermediate study and ensemble playing?

Yes. The YOB-441IIMT is built for intermediate-level repertoire and ensemble demands, with a grenadilla body, modified conservatoire key system, and semi-automatic octave system intended for consistent response and reliable technique development.

How does the lined upper joint help?

A lined upper joint adds reinforcement inside the upper joint, which can help reduce the likelihood of cracking from moisture and temperature changes compared with an unlined wood upper joint.

We are proud to be an authorized Yamaha dealer

Shipping Notes
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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]
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SKU: 70036691688

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Jose Perez
Waukegan, US
★★★★★ 5
they give what they offer
Size: 5 Quart, Style: Full Synthetic, Configuration: 0W-40
great service from seller it was exactly how much oil quantity i ordered and its great quality
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Reviewed in the United States on May 29, 2026
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Dustin
Louisville, US
★★★★★ 5
Works if you need help. Not a miracle in a bottle.
Size: 1 Count (Pack of 1)
It has worked every time I've used this product. Won't fix a damage catalytic converter but will help you pass the test if your car almost passed.
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Reviewed in the United States on May 28, 2026
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Leslie Price
Battle Creek, US
★★★★★ 5
Worked like a charm.
Size: 1 Count (Pack of 1)
Used it as directed. Down to an eighth of a tank. Poured it in and added enough gas to get back to one half a tank. Wanted to get it mixed in really well. Immediately jumped on the interstate and ran 75 MPH for 40 miles. Stopped and filled the tank and when I restarted the engine, the light was off. Coincidence? Not a chance. Light had been on continuously for weeks. AutoZone said I needed a catalytic converter. Nope. One thing I found out the hard way. If your gas filler has a flap at the top, make sure it is easy to push aside. Mine had a little release button near the top that the filler hose would depress before the flap would release. Dumped the first bottle right on the ground. Twelve bucks wasted. No one to blame but me, I guess. Still a bargain, even at twice the price.
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Reviewed in the United States on February 17, 2026
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Brenda A DeRouen
Natrona Heights, US
★★★★★ 1
Before use on March 15 two days later March 17 engine light still on
Size: 1 Count (Pack of 1), Size: 1 Count (Pack of 1)
I read the specs on this product and it was guaranteed to cleanse as well as turn engine light off in vehicle. I received it March 14.2026 and used it on March 15.2026 I took a picture on Sunday before I entered it into the gas tank engine light was on at that time. Today is March 17.2026 and engine light is still on. The truck was driven for one hour on the 15th 45 minutes on the 16th and 50 minutes on 17 March. Still the engine light is on. Got home parked the vehicle took a picture again to show engine light is still on product guaranteed it was shut it off, but unfortunately product does not work.
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Reviewed in the United States on March 17, 2026
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Amazon Customer
Pawtucket, US
★★★★★ 4
Good stuff
Size: 1 Count (Pack of 1)
I've used and it's worked for emissions for me and that's with having check engine light on..use stuff,drive around a bit,clear code drive to emissions and should b good unless got serious problems. It's good to use 1 or 2 times a yr if high mileage vehicle.
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Reviewed in the United States on January 1, 2025

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