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I’ve lately got Amplid UNW8 2019 163. A lot of overlap in the quiver but I got a used one in a good condition for the best price ever so I didn’t hesitate for a second.

I haven’t ridden it yet but by hand flexing it is way stiffer than any other board I have, stiffer than Pyre, Kazu, Optimistic. It’s really light for its size with a little torsional give, the biggest difference with other boards is the really stiff tips. I don’t have Rossi XV anymore but as I recall its flex it was similar apart from the softer reverse flex tail on the XV.

Many people claim that it is like Burton Custom X and I tend to believe it.
 

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Not yet, so far I’ve taken the Mercury, Kazu and Archetype out of the wrapper only. I’m planning to try the Optimistic this weekend so I will ride the UNW8 next week probably. I’ll report back on how it compares to the other boards.
 

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So I can fully comment on the Archetype so far as I have already like 4 days on it. It is more of a playful charger freeride board, not a full powder board and this makes it a better board imo. You have plenty of reports on this forum and they nail it. So treat it as something that looks like a full-blown powder board but what is a mid-stiff flexing freeride board in disguise with a perfect torsional flex. The only problem with it is the tricky sizing with this width at the front and back insert. I have a 160W and for me (185 lbs, 9,5 and 10 US Tacticals so the lowest profile boots, 1,7 cm outershell over the mondo is hard to beat) it is a touch too wide to be perfect for a hard pack but I’m afraid I might boot out truly Eurocarving the regular width sizes. Great but not perfect (275 mm at the backfoot close to 6-0 angle is cool but 287 mm front foot with +24 angle feels a bit wide). I’ve just bought another 162 and this time I will unwrap it and test it. If they lowered the taper by 6 mm (what would make it a few mm wider at the back insert) and downsized the sidecut by 0,3 m I’d honestly buy 3 x 158 as it would completely cover all my daily driver needs for anything but freestyle, no matter small or big mountain riding.
 

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So I rode the UNW8 yesterday in snowcreate/soft moguls. Stiff, I could barely tail press it more than 20 cm up. 360 tail butters ended quickly in hoo-ups. The stiffest board I’ve been on. Also stiff torsionally. The pop requires good timing and muscle but when I timed it properly it was a nice boost. That being said this board is a beast on carve. Due to the stiff torsional flex it’s hard to drive it with the ankles but I expected more work with all those ‚Custom X will kill you’ statements you can find. It’s like a train on rails. The sidecut feels like some radial mix, the turn initiation is really smooth and once you put it on the edge it just destroys everything in its path and holds the edge. The edge hold is very good, only a bit sub-par on ice to full magnetraction boards (I rode Rossi Jibsaw 157 of my friend that day too) but better than my Kazu. Confidence inspiring and I could say it can be a daily driver for someone in a good physical shape who likes to charge hard. You do have to squat on it. My solid-intermediate friend who is actually below the min. weight (he is 70 kg, the board is 163 wide) enjoyed the carving on it so much too.
 

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If you don’t do butters, let alone rails and you are willing to work out the UNW8 will be a great pick. I see it as a powerful weapon for an expert shredder that charges, carves hard and spins 360s/540/ off small rollers he finds on his way. At my level I can only make it carve and charge well so I’m basically wasting some of its potential being a directional twin.
 

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So I’ve spent more time on the UNW8 163, this time with Union Falcors at 185 cm / 85 kg. I’m athletic and I’ve been gyming hard and keeping at least a 4-pack for the past 10 years.

This is a super stiff beast. I give it 9/10 only because I’ve never been on a stiff bordercross board.

It rips carves hard as fuck. It just begs you to push it all the time and fly by the people. Awesome for euro carving, it just locks in. No speed limit, no chatter.

The ollie is very hard, I have to have a decent speed and muscle it a lot to start feeling the flex enhancing the ollie. Boosts of kickers and moguls very nicely.

Yesterday I spent 11 hours on the slope, I covered more than 60 km distance euro carving and hard charging. It hasn’t been snowing for the past 2 weeks so there is a thin layer of man-made sugary snow with snowcreate/ice beneath.

The edge grip is great. I changed for my Mercury for an hour but came back to the UNW8 quickly because of the difference in the grip while hard carving. I think I washed out only once or twice on a sheet ice being tired already.

The Mercury felt easier to spring out of the carve and change edges mid-air because I could access the rebound easier. With the UNW8 I had to push it way harder.

The UNW8 at this size fries my quads after a full day of hard pushing like that. It just promotes so aggressive riding and releases so much endorphines meanwhile that you feel the consequences the next day. Today I had to skip my snowboarding day what never happens otherwise.

So at this size I cannot call it a daily driver for me. I can ride it for like 10 hours a day with precision and power but I need to keep in mind that the next day I’m not gonna show up on the hill. For the reference, when I started this season in Livigno being rusty etc. I could charge and hard carve on the Archetype 5 days in a row, 7 hours a day. Yes, I was tired but I didn’t feel like after 3 hours of a super intensive crossfit session after a day.

All in all, a great board but truly physically demanding. I’m still debating getting a 159 to hopefully make it managable to ride for the whole weekend while not losing the grip on icy shit at the same time. And I’ve just ordered creatine online. I usually supplement it only periodically during my most intensive hard-pumping periods and riding the UNW8 163 is one.
 

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@jsil It’s there mate, 85 kg +/- 1 kg, 10 US. I don’t expect the Paradigma to be anywhere below the average level grip.

What is also worth noting about the UNW8 is that nose shape. Stiff AF and that white part has a slight 3D shaping. It allows you to just charge through slushy moguls and uneven terrain without worrying to dig it. I haven’t ridden the UNW8 in pow yet but judging by the float in slush it should be at least ok there, better than an average full stiff camber board with a directional twin shape. This worries me in the Endeavor Alpha I’m eyeing too - with such a minimal uprise I’m afraid it’s a one trick pony for evenly groomed terrain.

I’m pretty sure that the Pentaquark, being even stiffer and having a bigger sidecut radius, is just something that you take out for a few hours if you want to ride it daily.
The Amplid guys seem to be honest in their board descriptions and if they say it’s an uber carver for empty morning groomers I believe them.
 

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So you're pretty close to the ideal weight for the 163? Sounds about right. I want a hard charger that can still be playful enough to butter around so the paradigma may be a better choice than the unw8. I'm just spoiled with the edge hold on the surfari and don't want to anything less at this point. I wish I could demo the smaller unw8 and paradigma!
Yup, pretty close to the ideal weight for it and I find no problems handling it. A precise and powerful hard charger. It just annihilates the groomers but so does with my quads. Even if I size down to be upper weight limit I don’t expect it to be anywhere near something playful. This is hands down the hardest board to butter around for me (my Kazu 157, Optimistic 154 and Archetype 160W feel like super playful compared to it). The idea behind down sizing is to make it feel a bit softer while keeping that edge hold and carving properties. I don’t need anything more than an average float with it and if I slow down it’s the crowded slope or my self-awareness rather than the board starting to chatter to the slightest degree. Just to make it a bit easier to ollie and possible to ride it 2 full days in a row. I was to drive to the mountains today with my ~~110 kg cousin. I wanted to put him on the UNW8 to see how the board rides under someone 15 kg over the recommended weight limit. I’ll try to do it this week and I’ll report back.
 

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That's how I feel in the surfari on groomers. I've carved harder and hit higher speeds than I have with any other boards. When I say playful, I guess I mean just a bit softer like you say. I realize you'll never get something playful with this kind of edge hold. Reality is im looking for a board that I can ride all around without sacrificing edge hold. I'm not much of a jibber but a ride through the park hitting jumps occasionally is fun. All mountain freestyle is what I'm looking for with way more emphasis on all mountain.

If the unw8 ends up being mostly super stiff groomer only I'd rather pick up the pentaquark tbh
I’d say the UNW8 can be a great hard carver and charger that you can spin off jumps due to its directional twin shape if you are highly technical there (I’m not). I don’t jib at all, I don’t find it fun but I like to do some 360 nose butters with 180 out etc. but not on the UNW8. It’s too stiff to be fun there but again, it is the Centrifugal collection focused on hard carving first and foremost.
 

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From Amplid’s description:
’For the carve-crazy, its full-length Pop Camber and extended effective edge will keep the contact points engaged and the UNW8 gripping, no-matter how slick the groomers get… at least until your thighs explode from the strain.’
Quoted for truth
 

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My opinion on the UNW8 differs somewhat from others. I own one and it's my groomer day board. I bought mine a while back so it doesn't have the antiphase and does not share the paradigma shape as much. My UNW8 is very light and carves incredibly well. My favorite Burton is the Custom X but I like the UNW8 better. It's just a more fun and livelier board than the Custom X while being just as good a carver. It has a ton of rebound and pop when you load it and just about the perfect old school camber and shape. I find it really versatile everywhere except in pow. In interests of full disclosure, I'm a dad carver who hits jumps but generally doesn't ride much on rails/boxes.
The older version was biax instead of the triax with a different geometry so this makes sense.
The Amplids have just arrived, my new 159 2020 (still stiff 9/10 hand flexing) and a Surfari 157 (flex 7/10 like the Archetype 160W so stiffer than the 162 I have too plus the stiff tail) that my friend got. Probably gonna test them both tomorrow and will report back.
152270


1 cm high camber mhmm:
152271
 

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I wanted to post my findings today after another day on these but unfortunately due to a late night I’ll miss my today’s shred.

Anyway, my take on my friend’s Surfari 157 (2018) and my new UNW8 159 (2020) at 85 kg, Adidas Tacticals ADV 10 US. Both with Katanas 2019, the ankle strap at the very top and a lot of forward lean. The binding angles + 24-18 / - 6 to -12.

The UNW8 in 159 (I sit at the top of the recommended weight) is still super stiff (but energetic), probably it will break in a bit but as for now I’d rate my UNW8s 159 2020 and 163 2019 as 9/10. I ride the 163 per reference stance, the 159 with a max setback (on reference I feel like the nose digs in/hooks too easily in the mix of slush and ice I’ve been exclusively riding for the past 3 weeks if I put too much weight on the front foot). They both rip super hard carves. The 159 is just more versatile with an 8-meter sidecut to dodge a Jerry while the 163 provides a better float in slush even without the setback and should have even better grip due to 4 cm longer effective edge (I haven’t felt it yet). I haven’t found a speed limit on either, it’s always me slowing down, not the board telling me to do so by chattering.

The Surfari 157 (biax glass) is softer. I’d give it 7/10 overall feel with a medium-stiff nose and a stiff tail.
They say it’s a camber with an early rise at the tips but it’s more of a back seat camber with plenty of rocker that starts just after the front binding.
Grips icy shit well (though the UNW8s do it even better) and is more user friendly due to the softer flex, especially torsionally. Obviously floats great in slush. You can charge hard but it has no problems with slowing down. It can wash out in a hard Euro if you don’t weight the tapered tail at the end of a carve but that’s on the rider. I’d say it feels semi locked-in, the UNW8 is a full lock-in to me. It has a nice rebound exiting the carve so you don’t have to work for that spring changing edges mid-air. For the flex reference I’d rate my Optimistic 154 2019 at my 85 kg as 7/10 as well (a bit stiffer tail than the Surfari in 157). I change to the Optimistic when it gets really crowded to carve around while keeping the float in slush. I can push it at the same time with its great grip. It’s my ’party’ board.

As the Pentaquark is also biax glass and similar weight to the Surfari (and lighter than the Unw8 for the same surface area) I think these two actually share more with each other than with the UNW8. If Amplid gave 8/10 stiffness to the Unw8 (triax and imo underrated flex) and 7/10 to the Surfari (biax, I agree with the flex), I’d expect the Pentaquark to actually sit in the middle, with the Unw8 being 9/10, the Penta 8/10 and the Surfari being 7/10.

So I’d say that the Surfari is a rad dad’s freeride board while I expect the Pentaquark to be a rad dad’s carving board. They must have left it biax for a reason while obviously their super stiff triax would be more appealing from the marketing’s point of view for that hefty 840 EUR price tag.

That’s my guess on the Penta but based on my experience with the two Centrifugals and @trpa_ec describing his previous model UNW8 (biax and lighter than mine) to be more comparable to what I feel riding the Surfari than my UNW8s.
 

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I am about your weight and I ride the older 159 UNW8 (biax/no antiphase) with no problems. As long as you are a strong rider, you shouldn't have many issues especially if you go for the 156.
I agree, if you are worried find a 156 biax, but I’ve given the triax 159 for a couple of runs to a 72 kg friend who is a crazy MF after 2 surgeries with an implant in the knee and he’s enjoyed it a lot Euro carving. The only problem is generating the pop as the tips are super stiff. There is some torsional give between the bindings so driving it edge-to-edge is actually easier than you’d expect from the flex feel but loading an ollie is hard. Knapton probably wouldn’t have a problem with his trunk legs and godlike technique at speed but for a mere mortal yes, it’s hard. I’ve been on mine new 159 5 days so far and I already feel the triax giving in a bit. If the tail softens up a bit or creates some flex point after the rear foot I’ll be happy. So far the tips are very close in stiffness to the Yes Optimistic’s stiffest part of the tail (maybe that’s how Yes rated it 9/10, as the rating of the stiffest part of the board?).
 

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I think that the Unw8 grips on ice the best due to being super stiff but it’s really hard to ollie. I wouldn’t take it in tight trees though. If you size it to be in the middle of the weight limit (163 at my 85 kg) it floats really well in slush for such a gnarly camber monster. The 159 does much worse in slush for me and I’ll probably sell my 159 and keep the 163 for these icy groomer days.

I think it’s the most versatile board from the three Amplids but it is also the most physically demanding. It has the biggest potential to handle all kind
of riding.

If you don’t care about switch you should go the Pentaquark for ripping groomers though the sidecut prefers more space to shine.

If you don’t care about switch and are ready to sacrifice a little on the groomers but make it a great powder board too, get the Surfari.

All of these rip a carve in crud or uneven snow.
 

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Thanks @Yeahti87 for the input.

You mentioned you put some lighter friends/family on the 163 and they seemed ok with the board too. Do you think with my 77kg I'd be ok float wise or would I also be better off with the 163? Same question re edge hold, did you feel any difference between the 159 and the 163? Would assume the 163 with more effective edge to hold a bit better at higher speeds.

And last question: have you taken the UNW8 into pow by any chance and if so how did it perform? I don't think I wanna go all the way to the Surfari as want a board mainly for groomer days but if there is some pow wouldn't mind if the board could handle it too. The Penta seems to much groomer specialist. Had some feedback from the Amplid guys as well and they said something similar too (and also that the Penta would require more space/is a board for the first couple of hours of the day).
They were ok on the 163 but only if the slope was free and there were no moguls, otherwise the board started to take over at their 70-75 kg and smaller feet. I think it’s better to size in the middle of the recommended weight if the given size fits your width preference (my friends are around 26,5-27 cm mondo, I’m 15 kg more and 27,8 cm longer foot). I don’t find the 163 that much more work than the 159. Very similar in stiffness honestly, obviously slower edge to edge but still fine (though I like boards with at least 273 mm at the inserts for Euro carving). The only real difference for me is how the 163 floats in slush.

At my stats the Unw8 163 doesn’t sink in slush. Unfortunately the very few powder days I’ve had this season were on my powder oriented boards so I can’t comment but I can assume both 159 and 163 will handle your odd surprise 20-30 cm pow day.

I haven’t noticed any less grip on the 159, there must be a difference at some rider’s weight point (as you said more effective edge) but the board in both sizes is very stiff with over 1 cm full camber rise so it grips great.
The 159 UNW8 grips for me better than the 157 Surfari (softer and directional camber) my friend owns and the latter still grips really well even when it’s undersized for me.

P.S. If you decided you want the UNW8 and in a 159 size I have a super mint 2020/2021 model (lime green base) that I can ship to Germany for 400 EUR. PM if you were interested.
 

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I spent around 15 days this season on my Amplid UNW8 163 2019 and a couple on a brand new 159 2020/2021. Both the newest 2021 geometry. The 163 was bought as second hand and still both were very stiff and there wasn’t any noticeable softening over time. It’s triax glass unlike Penta’s biax. I would call it a freeride board if not for its all-mountain shape.
I‘ve lately got newest Pentaquark 2021 but haven’t managed to ride it yet (the COVID outbreak). Hand flexing very much the same stiffness as UNW8 163, maybe a hair more torsional flex but I’d have to ride it to really feel it.

What Pentaquark model you’ve been riding? The Mothership Amplids seem to be softer than the newest ones from Taiwan (my buddy owns Surfari 2018) with the same flex rating.

About the float - I’ve noticed a considerable difference at my 85 kg between the 159 and the 163. The latter floats really well if you consider it’s a full stiff camber board. At your 100 kg it could be more like 159 for me. Just ok but the nose shaping definitely reduces this full camber dive-in feel anyway.

I’ve given some more feedback there:

You might find it useful if you’ve ridden some other boards I have.
 

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The latest Pentaquark. From the TW factory. I didn't mind the flex at all but again, I am a big guy and ride big boards. Very interested in the triax vs biax torsional stiffness. I like volume shifted cause I don't want to ride a 170cm+ and yea they are more sluggish edge to edge but I don't mind. As a side note. I rode the Pentaquark in 25cm of fresh on top of bulletproof snow and it would just manage everything bumpy underneath so well. The anti-phase is a proper legit tech. And on groomers, basically a more all mountain border cross board. I hit 60mph on it and still felt it had another 10-20mph in the tank.
Pentaquark looks like UNW8 with a chopped tail and longer sidecut. I’ve got it to try this 8,6 m radius by Amplid. We have very similar preference for boards in this category. I also prefer wider boards to carve hard, I wouldn’t mind extra 3-4 mm width at the back foot there even though I’m 9,5 US super reduced footprint. I don’t find that flex ‚bad’ but I cannot call it playful at all. You aren’t locked in ‚hard charge mode only’ but you’ll eventually end up doing so since you just feel the board begs you to do so.
Personally I’d soften the UNW8 just a little bit, more to match its 8/10 flex rating and keep the Pentaquark as stiff as it is to differentiate between them more and make the UNW8 more ‚accessible’ because as it is now, to ride it dynamically for the whole day, you need to be in a really good physical shape.
 

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Yea man. Sounds about right. The Pentaquark never felt twitchy/scary to me as one (Even I had my concerns strapping in) might expect but again, everything get's reduced by my extra weight. At 158 and 260 wide, it's on the smaller size for me but the stiffness comprises that. My Lib's are 270 and 286mm waist width respectively. I like ~the 27cm waist for carving and I would like that for the unw8 for a carving board but we will just have to check it out. The Pentaquark was beyond fun and great for carving even with a "smaller" waist. I remember one specific turn in PC. Heelside carve, caught some loose snow, went airborne for about a meter across the ground, landed back on my heels, locked in and it just took off like nothing happened. I couldn't believe it. If your body is in the right position it won't let you down. Such a fun board. I was going to buy it but then I ride switch a lot (Probably should more) and got a sick deal on the Dada which I fell in love with in Jackson, as the Shapers Summit. Actually Rob Kingwill rode the Pentaquark and gave it a radical (highest) rating. Anyways if the unw8 is similar to the Penta with more switch, freestyle possibilities...I am totally down.
I also had concerns strapping in, even double checked if my insurance is valid that day. Turned out to be one of the most ‚glory feeling’ days this season, even with the borderline brick ice under a layer of artificial slush. Actually maybe that’s why cos like you say, the board grips so well that you feel secure and that you can trust it so you just go hard when most people around resort to skidding. With you being 15 kg more (and actually exceeding the recommended weight), it is very probable that the UNW8 will be easier to extract the pop. I’ve said I’d soften it up just a little to make it pop a little easier cos it’s hard. I’d still keep the tips stiff, that’s the reason it holds so well no matter the conditions and how hard you push it in a carve.
 

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Don't forget about the other board in the centrifugal series... the surfari RIPS groomers too. I own a 156 mothership pentaquark and a 157 taiwanese surfari and i love them both. I'd really like to pick up an unw8 in 156 too, but I don't know if there will be too much overlap... already is. BTW, I'm only 155lbs with my feet crammed into a size 8 boot and it's hard to ride anything else. I've never felt as comfortable at speed on any boards I've ever ridden.
My buddy owns a 157 Mothership Surfari (surprise, surprise he got it after a ride on my UNW8), I’ve ridden it on multiple occasions. The new Surfari seems to be even better with more camber. If you’re not sure you want such a stiff monster as the UNW8 or Pentaquark, you can’t go wrong with the Surfari. If I didn’t own 10 plus boards and had to decide on a 2 board quiver, it would a top top contender for a directional freeride board. Much easier to handle while still very ’chargy’. And floats great.
 

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So I went to Hintertux a few weeks ago and rode it for a day. It was quite wet and slushy and wasn't really optimal for a first day of a board like this. I really felt like I was getting works. I rode my normal stance and it felt like the board was fine but I was getting bounced around. I think part of it was because the board is stiff, even more stiff when it's new but also how I was riding it. I actually had a good fall just riding as the nose seemed to randomly snag and I went cartwheeling. Then in the slush it was just tiring cause there was no flex and you just push around a lot of snow. The next day I rode a park board as it was simply too much work and I wanted to jump.
That’s exactly what I experienced and reported a couple of months ago when I tried the 159 and compared it to the 163. You are in the top range of the weight recommendation for the 163 as I am for the 159.
The board didn’t feel any softer to me but I lost the slush performance (and presumably the powder one) that 163 offers for me. I also had to set it back on the 159 while the 163 rides great on the reference.
The 159 was a little more nimble but I’m not sure it’s worth losing the all terrain performance.
 
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