SKU: 42348472228

Pearl River Upright piano UP-121 Brown

$6756.75 $7507.50
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Description

Pearl River Upright piano UP-121 BrownThe Pearl River UP 121 is a 121 cm studio class upright piano featuring a solid spruce soundboard, German Rslau strings, and Pearl Rivers high precision action for balanced tone and reliable performance. The Pearl River UP 121 (also known as UP 121S) is a 121 cm professional upright piano built for stable tuning, long term durability, and a warm, balanced sound. Designed by the worlds largest piano manufacturer, it offers high quality materials

The Pearl River UP-121 is a 121 cm studio-class upright piano featuring a solid spruce soundboard, German Röslau strings, and Pearl River’s high-precision action for balanced tone and reliable performance.

The Pearl River UP-121 (also known as UP-121S) is a 121 cm professional upright piano built for stable tuning, long-term durability, and a warm, balanced sound. Designed by the world’s largest piano manufacturer, it offers high-quality materials normally found in more expensive instruments—solid spruce soundboard, Röslau (Germany) strings, and in-house engineered hammers and action.

With a traditional studio-upright height of 121 cm, the piano delivers strong bass, clear mids, and bright, singing treble suitable for home practice, music schools, studios, and small performance spaces. The UP-121 includes a soft-close fallboard, brass hardware, and comes in multiple polished finishes.

⭐ Technical Specifications 

General

  • Model: Pearl River UP-121 / UP-121S

  • Type: Upright Piano

  • Height: 121 cm (47.6")

  • Width: approx. 149–152 cm

  • Depth: approx. 59–61 cm

  • Weight: approx. 230–240 kg

  • Finishes: Polished Ebony, Polished Mahogany, Polished Walnut, Polished White

Construction

  • Soundboard: Solid spruce, tapered

  • Ribs: Spruce ribs for better soundboard crown stability

  • Backposts: Multi-laminated hardwood backposts

  • Pinblock: Multi-ply laminated pinblock (beech/maple style) for superior tuning stability

  • Frame: Cast iron plate

Strings & Action

  • Strings: German Röslau premium piano wire

  • Bass strings: Copper-wound

  • Action: Pearl River in-house upright action

  • Hammers: Pearl River hammers with imported felt (German/Japanese felt depending on batch)

  • Keybed: Laminated hardwood keybed

  • Keys: Spruce keys with acrylic keytops

Hardware

  • Pedals: 3 pedals (Soft, Practice/Mute, Sustain)

  • Fallboard: Slow-close safety fallboard

  • Hardware: Gold-tone/brass hardware

⭐ About the Hammers

  • Pearl River manufactures its own hammer cores (typically mahogany or similar hardwood).

  • Felt is imported (commonly German or Japanese felt depending on production run).

  • Factory voicing aims for a balanced, neutral tone suitable for classical, pop, and teaching environments.

  • Hammers can be easily re-voiced by a technician for brighter or warmer tone depending on customer preference.

⭐ About the Strings

  • The UP-121 is equipped with Röslau wire, the industry-standard German string wire used in many high-quality pianos.

  • Bass strings are copper-wound, providing better bass power for the 121 cm cabinet.

  • Röslau wire is known for:

    • Long-term tuning stability

    • Clear, projecting tone

    • Consistent quality in all registers

⭐ About the Action

  • Pearl River’s upright action is designed for stable, even repetition.

  • Touch weight is typically medium, suitable for students and teachers.

  • The action benefits from after-delivery regulation (recommended for all acoustic pianos).

  • Known characteristics:

    • Smooth key travel

    • Reliable spring work

    • Good durability with regular maintenance

⭐ Sound & Tone Characteristics

  • Bass: Solid and surprisingly deep for 121 cm

  • Mids: Warm, rounded, balanced

  • Treble: Clear and singing, not overly bright

  • Overall: Neutral, versatile, suitable for practice, teaching, and beginner–intermediate performance

This model is often chosen by:

  • Music schools

  • Teaching studios

  • Homes and apartments

  • Churches and rehearsal rooms

⭐ Quality Notes / What to Tell Customers

  • Pearl River is known for extremely consistent production quality.

  • The solid spruce soundboard and Röslau strings give the piano better sustain and tone stability.

  • Multi-ply pinblock and backposts significantly improve tuning stability.

  • Excellent value for money—professional features without the premium price.

⭐ Care & Maintenance Notes 

  • First tuning recommended 4–6 weeks after delivery.

  • Tune at least twice per year.

  • Humidity range: 45–60% ideal (use a humidifier/dehumidifier if needed).

  • Recommend a technician regulation after settling (optional but improves feel).

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: 42348472228

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4.3 ★★★★★
Based on 23 reviews
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Product Reviews
T
Verified Purchase
Tony Nowikowski
Omaha, US
★★★★★ 1
TPMS Compatability is a LIE
Size: Sedan, Crossover, Small Truck
2018 Subaru Impreza, with one tire with a slow leak (about 2 PSI a week) that I couldn't trace. I bought the "Full-Size Sedan, Small Truck, Crossover" kit (the 6 oz. pouch) based on my tire size, 225/40/18. After I removed the valve core, attached the dispensing hose and opened the cap, the product would not flow into the tire. I squeezed the pouch, but that only made the product leak out around the valve stem onto the wheel and driveway. I tried rotating the tire so the valve stem was at the top, and and also at the bottom. I even took the wheel off so I could get a fully vertical flow. Nothing worked. I finally gave up after only about half the product was dispensed, and I do think most of it went somewhere other than in the tire. I reinstalled the valve core, remounted the wheel, plugged in my little lighter socket-powered compresseor, and tried to inflate the tire. And ... NOTHING. The pressure reading on the compressor immediately shot up to over 100 PSI, and it automatically shut off. Tried multiple times, with the same result. I again removed the valve core, and a) no air came out of the tire when I removed it, and b) even with no valve core the compressor still would not pump air into the tire. Clearly the gunk had completely blocked the valve/TPMS. Fortunately, when I took the tire to Costco (where I'd bought it), they were able to fix the damage I'd done, as well as patching a small nail hole in the tread I hadn't seen (that was clearly the source of the slow leak) for no charge. Since I've already submitted a refund request, ultimately all it really cost me was my time and effort ... and a whole lot of stress.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 26, 2024
R
Verified Purchase
raspree56
Massapequa, US
★★★★★ 5
Forget the gooey stuff, this product WORKS! See UPDATES 1 and 2
Size: Compact Car, Mid-size Sedan
I've had a slow leak in one of my tires for some time. It's a common thing with chrome plated alloy wheels, they get corrosion on the bead area where the tire seals and then you get a slow leak. This was the only product which is water soluble so it's not going to make a permanent mess inside the tire; additionally, it contains tiny bits of Tufsyn which is the material some tires are made from. So it's not just a liquid that is sealing the leak, it's tiny bits of rubber. I was putting 5 or 6 lbs of air in my tire every few days, and I could see that the tire was getting low. I installed this TireJect per the instructions a week ago and the tire appears to be doing great, despite the fact that we've had some very cold weather. (I didn't want to check it with a gauge while it was this cold out because just in case the tire's valve didn't seal all the way; I'll check with a gauge when this cold snap is past.) While I can't say for 100% sure that there is no more leak, I suspect that the leak has been sealed up completely. This is a product unlike the others and I think it's worth the price. FIRST UPDATE: It has been two months and I haven't had to add any air at all to the tire where I used this product. There was a slow rim leak which was losing about a pound or so per day and it has been totally fixed. The car has sat for several days a few times, including in single digit cold weather, as well as driven regularly otherwise, and the tire hasn't lost any air. I think it's the micro Tufsyn fibers in this product which seal leaks better than some goopy glue stuff other brands are made of. I totally recommend this product! SECOND UPDATE - it's been eleven months since I added this to my tire with the slow rim leak and I have not had to add air a single time. Not once. THIS STUFF WORKS. Forget the slime and foam and get this.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 5, 2024
J
Verified Purchase
Jesse
Bozeman, US
★★★★★ 5
TireJECT cannot work miracles
Size: Compact Car, Mid-size Sedan, Size: Compact Car, Mid-size Sedan
TireJECT is a surprisingly thin fluid that supposedly contains fibers that must help stop up holes. Frankly I'm still confused as to how this stuff can plug a leak, but apparently it does. Tons of reviews say so. I say apparently because the product did not completely stop a slow leak in my tire, but that's OK. I knew it likely wouldn't. I'll have to replace the tire unfortunately. I had a garage install four nearly-new tires on my car. After installing, a heavy leak was discovered in one of them. They took the tire off again and found a small tear near the rim/bead of the sidewall. Since the tear would be flat against the rim, they suggested to let them try and repair it with tire patch adhesive and lots of bead sealer. They were confident, so I went for it. It seemed to work, but it went flat a few days later. TireJECT seemed like the perfect solution to the slow leak since I wouldn't have to disturb the repair. I bought the kind without the syringe and regretted it immediately upon trying to use it. First, the valve stem removal tool broke as it loosened it. I had to buy a new tool down the road. When I went to inject, I squeezed as hard as I could but it just wouldn't flow past the TPM. It also kept leaking out of the flex joint of the nozzle. I had a huge syringe on hand, so I sucked up the rest from the bag, ziptied the hose on both ends and got the rest of the product into the tire. HURRAY! The tire pressure had fallen considerably by the next morning. BOOOoo. I contacted TireJECT, and after several emails (and long waits in between). They determined their product was not suitable for my use case. They refunded what I paid without me even asking. I really appreciated that. That said, before injecting, the tire would go flat overnight. So, TireJECT does work to a good degree. I'm half tempted to overdose the tire with another package. Give TireJECT a try! Though, be sure your situation matches their criteria. If you have a TPM, opt for the package that comes with a syringe. You will need it. Also, throw the cast pot metal, tire stem tool out and get a decent machined one before you do the repair. Thank me later.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 1, 2025
D
Verified Purchase
D. T.
Draper, US
★★★★★ 5
Works once again!
Size: Compact Car, Mid-size Sedan
Third time using TireJect on a vehicle, and it's worked perfectly each time. First was the off-road formula for leaking motorcycle tire beads.... then this formula my light SUV with a slow leak until I could get the tire replaced. This was for a stubborn tire that had a leak SOMEWHERE, and usually would lose 10-15 psi overnight after a fill-up. Two days later, still fully inflated and no signs of trouble. This is great because this formulation is also okay for tire pressure sensors. Will continue to purchase this product for similar issues going forward. High quality, durability, and easy to use.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 29, 2025
R
Verified Purchase
Rodney Hahn
Waukegan, US
★★★★★ 5
Works like a champ!
Size: Full-size Truck, SUV
It works great! I had one fairly slow leak and 2 very slow leaks. 3 Tires. 2 were on my 94 Ford Ranger. I put a little more than 1/2 the packet in my fastest leaking tire (on the Ranger) and about 1/4 of the packet in the 2nd tire of the same vehicle. Lastly, I put the final 1/4 in a very slow leaking tire on my 2000 Ford F-150. All tires have stopped leaking!! I am delighted with the effectiveness of this product!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026

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