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Description
NuPrime STA-9X Klasse A+Dual feedback versterker / Schakelbaar naar Mono 330WKlasse A+D stereoversterker die kan worden overbrugd tot een monoversterker van 330 W De NuPrime STA 9X, een 2 x 130 W klasse A+D stereoversterker, overbrugbaar naar een 330 W monoversterker, is ontworpen met verbeterde even order harmonische circuits die de meest aantrekkelijke kenmerken van buizen en klasse A versterkergeluid nabootsen zonder hun nadelen en beperkingen. De frequentierespons van de STA 9X tot 50 kHz verheft zang tot emotionele
Klasse A+D stereoversterker die kan worden overbrugd tot een monoversterker van 330 W De NuPrime STA-9X, een 2 x 130 W klasse A+D stereoversterker, overbrugbaar naar een 330 W monoversterker, is ontworpen met verbeterde even-order harmonische circuits die de meest aantrekkelijke kenmerken van buizen- en klasse-A versterkergeluid nabootsen zonder hun nadelen en beperkingen. De frequentierespons van de STA-9X tot 50 kHz verheft zang tot emotionele ervaringen; op dezelfde manier bootsen instrumentale hogere registers de glinsterende hoogten van een live optreden na. Het STA-9X Single End Non-Negative Feedback Class A- en Dual Feedback Class D-versterkerontwerp is verbeterd ten opzichte van STA-9 en is afgeleid van AMG STA. Dankzij dit ontwerp kan de STA-9X meer details en een hogere resolutie produceren dan de STA-9. Stereomodus overbrugbaar naar monomodus. Verbeterde even-order harmonische (H2) circuits creëren warmte en natuurlijke geluidskarakteristieken. Zeer betrouwbaar onder nullast en verbeterde kortsluitbeveiliging. De 130% hogere uitgangsstroomaansturing dan STA-9 zorgt ervoor dat luidsprekers met lage impedantie een betere dynamiek en kracht hebben. Het werkt op een schakelfrequentie van 750 kHz en produceert een hoge resolutie met uitgebreide frequentie. Een nieuwe lineaire voeding met een hoogefficiënte ringkerntransformator vermindert hoogfrequente ruis en versterkt de laagfrequente prestaties. Het signaalpad vermijdt verknopende condensatoren, waardoor een frequentierespons op DC-niveau wordt bereikt voor puur muzikaal genot. Het NuPrime-geluid Uitgebreid geluidsbeeld Brede, razendsnelle dynamiek Ultra-lage vervorming en ruis Muziek komt voort uit een ongerepte achtergrond, met delicate details en nuances intact NuPrime STA-9X Klasse A+Dual feedback versterker / Schakelbaar naar Mono 330W productkenmerken: * RCA: Ongebalanceerde ingang x 1 * XLR: Gebalanceerde ingang x 1 * TRIGGER-IN (12V) * Stereoluidsprekeruitgang x 1 * Monoluidsprekeruitgang x 1 * TRIGGER UIT (12V) * Vermogen: 2 X 130W / 1 X 330W @ 8 & 4 Ohm * Piekuitgangsvermogen: 2 x 170 W / 1 x 370 W bij 8 ohm * Ingangsimpedantie: 47k Ohm * Signaal-ruisverhouding: > 90dB bij 1W, 10W, 100W * THD+N: 0,005% (stereo) / 0,005% (mono) * Frequentierespons: 10 Hz tot 50 kHz * Wereldwijde AC-spanning: (115 VAC / 230 VAC) met spanningskeuzeschakelaar * AC-zekering: langzaam, 3A, 250VAC * Afmeting: 235 mm B x 281 mm D x 60 mm H (inclusief voeten) * Gewicht: 4kg Type Versterker: Eindversterker Kleur: zwart Kanaal: 2.0 kanaals Stereo Streaming: geen streaming Vermogen: 2x130 WattShipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.0 ★★★★★
Based on 1816 reviews
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Product Reviews
★★★★★ 5
Soft comfortable very good pillow
Size: King (Pack of 1), Color: White
I really love my new pillow it's great and comfortable. Yes, it has a little smell, but if you wash the pillowcase and put the pillow on the window for a day you won't notice anything anymore.
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Reviewed in the United States on May 18, 2026
★★★★★ 5
Best place for head
Size: Queen (Pack of 1), Color: White
Do you love not getting sleep and sweating all over your pillow at night when you are asleep? If so then don't buy this pillow! If you want a good nights sleep and cool pillow like me this is the one. Ive always been ehh towards spending so much on a pillow but its 100% worth it, I sleep so much better and it forms to my head and keeps me cool at night. Great support even for my big head and comes with a bag of extra stuffing if you want to have a little more firmer pillow. Highly recommend
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Reviewed in the United States on April 4, 2026
★★★★★ 3
Oversized
Size: Queen (Pack of 2), Color: White
I have chronic neck pain. I am forever buying new pillows. Sometimes I think I found the perfect pillow but then three months later they’re losing their loft. I thought I would give these pillows to try since the stuffing is removable. Now these pillows are really oversized. To the point where I thought that they had sent me king-size pillows but I double checked the packaging and they were Queen. I ended up having to buy king-size pillowcases for them because they just barely fit in the queen size and the pillowcases would always end up pulling back from the edge. So that’s a negative one star there. Now I’ve been sleeping on these pillows for a while and they have held up well. I did end up removing some of the stuffing because it was just too much. I’m a side sleeper and when I use this pillow, it does a good job of keeping my neck in alignment. However, the pillow tends to migrate up as I sleep. Or I tend to slip down off the pillow, either or. So that’s why I’ve removed a second star. Maybe if I removed more stuffing that wouldn’t happen, but then I feel like the loft would be too little. I will say that these provide great support when sitting up in bed reading or watching TV. So would I buy them again? Probably not. Am I going to keep using them? Yes
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Reviewed in the United States on December 23, 2025
★★★★★ 5
Amazing - Stop Scrolling and Buy This Pillow
Size: Queen (Pack of 1), Color: White
I have been an Amazon customer ever since the very beginning, and this is my first review. Not because I haven’t purchased tons of amazing things (and a few bad ones), just never felt the need.
However, I researched pillows for longer than I care to admit, and decided on this one.
I’ve had it for about six months and absolutely love it. No lie, I genuinely look forward lying my big head on it after a long day.
I am a side sleeper, but flip flop all around through the night and it’s great in every position.
Pros:
Stays nice and cool, which is soothing regardless of the time of year.
Has a sort of quilted textured pattern on the zip up cover, gives it a luxury feel, that breaths nicely even when a pillow case is added.
The fill is fully adjustable to your preference.
I knew it came with extra filling but was worried it would not be enough. Wrong. It was very full and I ended up taking some out until it was perfect.
It comes vacuum sealed and suggests it may take some time to fully take shape. However, I found it to be about 90% almost instantly and was sleeping on it a couple hours later.
There was no unpleasant scent sometimes associated with memory foam items.
The foam itself is very nice, a mix of what appears to be shredded and cotton candy cloud like. Very brilliant idea, as it is somehow supportive, soft and firm all at once.
The affordability of this pillow compared to some of the others in this category can’t be overstated.
Oh, and the packaging was very thoughtfully and securely done.
If you are like me, an over thinker, I would suggest just taking this for a spin. It’s amazing.
I’m not a bot, or working for the company. I’m just truly satisfied, love this pillow, and have been sleeping great.
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Reviewed in the United States on April 6, 2026
★★★★★ 5
It's the perfect pillow!
Size: Queen (Pack of 1), Color: White
I purchased this pillow specifically for its customizable fill feature, which allows you to add or remove stuffing to suit your personal comfort needs. Due to the unique curvature of my cervical spine—forward at the neck rather than backward—I require a soft, semi-flat pillow rather than one that is thick or firm. Additionally, I often experience ear discomfort by morning, so a gentler surface is essential.
Upon adjusting the fill, I was pleasantly surprised by the generous amount of stuffing included. There was enough to fill an additional pillowcase, and I estimate it could easily create four to five more pillows. The ability to modify the pillow’s firmness at any time is an outstanding feature that makes it adaptable for a wide range of preferences and sleep styles.
This pillow has exceeded my expectations in both comfort and versatility. I highly recommend it to anyone seeking a personalized sleep experience.
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Reviewed in the United States on February 1, 2026