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Willsenton

Willsenton R8 KT88/EL34 x4 Tube Amplifier Integrated AMP Power Amplifier Headphone Replaceable Basic Meter (Black)

    • Based on 180 reviews
Condition: New
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Availability: Only 2 left in stock, order soon!
Fulfilled by Amazon
Arrives Friday, Nov 29
Order within 1 hour and 4 minutes
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Color: Black


Features

  • The model currently on sale is the New Model upgraded in December 2023.
  • One amplifier can used wiht tube EL34, KT88 or 6550, so, you can get 3 kinds of sound from different models tubes. The default matching tubes of this machine is KT88. If you need another 2 new sets of tube, please purchase in addition. There is a Red selection button on the Back of the amp to switch.
  • Can be used as an Integrated amplifier, power amplifier or Headphone amplifier. Pure hand-made, the whole machine is welded with scaffolding.
  • Triode and ultra-linear selection are available, which can be switched by the button on the amplifier. With a remote control,Vacuum tube protective cover,Fuse and an English manual.
  • We recommend that you spend 100-300 hours to RUN-IN this amplifier to get a better sound. Generally, you could get a better and stable sound after 100 hours, and you could get the best sound after accumulating more than 300 hours.

Description

The model currently on sale is the New Model upgraded in December 2023. Features Pure hand-made, the whole machine is welded with scaffolding. Use a square power transformer specially developed for this machine. The output transformer uses two high quality wideband EI output transformers. The voltage amplification and boost stage uses a 6SN7 for power supply filtering. The voltage amplification stage and the push stage use two pairs of 6SL7 and 6SN7 tubes, respectively. The rear stage uses four KT88/6550/EL34 tubes for class AB push-pull power amplification. Triode and ultra-linear selection are available. External independent BIAS-ADJ current display header. External EL34/KT88 tube selection function, easy to replace different types of tubes, adding endless fun. Infrared full-featured remote control. Use thick silver plated signal leads. With pure post-level function, it can be connected to independent preamplifier signal input. Power on mute delay function (about 30 seconds). Select Japanese ALPS high-end motor potentiometer. Easy-to-install plug-in tube shield. Product parameters: FTC rated output power: 16W+16W transistor (8 ohms, 20HZ-20KHZ, THD 1%) Ultra-linear: 30W+30W (8Ω, 20HZ-20KHZ, THD 1%) Rated output power: 23W+23W (RMS transistor working state) : 42W+42W (RMS ultra-linear working state) Whole machine frequency response: 12Hz-40KHz (± 1.5dB) Harmonic distortion: 0.2% (1W/1kHz, rated output power less than 5%) Signal to noise ratio: 89Db (weighted by A) Input sensitivity: 320Mv (merged), 700Mv (Power stage) Input impedance: 100k Ω Input terminals: CD, AUX1, AUX2, PRE-IN Output impedance: 4 ohms, 8 ohms Headphone output impedance: 30 ohms to 300 ohms Power supply voltage:~120V ± 5% (50Hz) Whole machine volume: 400x390x200mm (WxDxH) Use vacuum tubes: 6SL7x2, 6SN7x3, KT88x4 Net weight: 26 kilograms Power consumption of the whole machine: 280W

Item dimensions L x W x H: 19.69 x 11.81 x 20.08 inches


Voltage: 230 Volts


Manufacturer: Willsenton


Brand: Willsenton


Number of Channels: 2


Product Dimensions ‏ : ‎ 19.69 x 11.81 x 20.08 inches; 57.32 Pounds


Item model number ‏ : ‎ Willsenton R8


Date First Available ‏ : ‎ November 6, 2019


Manufacturer ‏ : ‎ Willsenton


Country of Origin ‏ : ‎ China


Best Sellers Rank: #203,953 in Electronics (See Top 100 in Electronics) #996 in Audio Component Amplifiers


#996 in Audio Component Amplifiers:


Customer Reviews: 4.5 4.5 out of 5 stars 180 ratings


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, Nov 29

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Similar Products

Top Amazon Reviews

    • Fantastic value for your money
Color: Black
Review Image by S. Rao S. Rao
Review Image by S. Rao S. Rao
Review Image by S. Rao S. Rao
I have the pleasure of owning the R8 for about a month now. So, consider this an initial review Order/delivery process: I ordered it directly from Amazon as the Chinese supplier was out of stock on their website. The R8 showed up within 10 days from ordering it. I was quoted a 4-6 week window - so it got here a lot quicker. The item showed up in a secure double carton that withstood a minor puncture while shipping. Very well packed and secure. Great when you are buying a $$$$ item and want peace of mind. Unboxing/install: Very easy to do as the tubes come pre-installed. It is very heavy though - bend with knees when lifting. I checked the bias after connecting l it to my speakers - it was set up just right. Bias testing is very easy - there is need look for an auto-biasing amplifier instead. Sound Quality: It sounded great out of the box with the stock Willsenton branded tubes. While these tubes are not as nice sounding as vintage NOS tubes, they are good enough to enjoy music. It didn’t sound very tubey though - not a bad thing. It is sort of like solid state with the KT88s. Basically, it sounds fabulous. I substituted the stock tubes with Sylvania 6SL7s and 6SN7 NOS tubes and the sound quality blossomed - more bass, more clarity, basically more everything. There is also a noticeable difference between the ultra linear and triode mode - I like that this amp gives you a choice. (E.g. The Primaluna base models doesn’t provide this feature - you need to buy a $4k Evo 300 for this feature). Build quality: It feels very well built with heavy duty construction. The switches are all metal and the connections look expensive. Speaker pairing: The ~45 watt per channel output means that it easily drove my 104dB sensitive Klipsch La Scalas with very little power. I would recommend a 90dB+ sensitivity speakers if you have a large room and like loud volumes. Also it doesn’t support less than 4 ohms speakers. There is no subwoofer output of that matters to you - again the base Primalunas amp don’t have it either. Expandability: There are a lot of possibilities for tube rolling on the pre-amp, driver and output side. Only caution is that it isn’t wired for KT120s or KT150s. It tops out at 6550s/KT88s. That is more than enough for me. Remote: It comes with a metal bodied remote which feels nice to hold but is a real pain to insert or change batteries. Also the volume control feature is poorly executed on the remote - the jumps in volume are too big for each button press. I don’t use the remote as a result. Bad design. Overall: I love it. It has great build quality, expandability, power output, decent sound of the box at an affordable price. I was evaluating the R8 against the PrimaLuna Evo 100 and the Decware SE341.5. These were in the $1-2.5k bracket. I picked the R8 for its value. I had auditioned the Primaluna - it sounded decent but is not better sounding than the R8. I would rate the R8 as a better sounding amplifier. I haven’t heard the Decware amps (they have a great reputation) but as they had a real long waiting period and as I needed an amp now my decision was made. I will update this review later when I have more experience with it. ... show more
Reviewed in the United States on July 5, 2021 by S. Rao S. Rao
    • What a bargain in a quality amp.
Color: Black
It’s well built, first of all. Attention to detail seems superb. Runs a little hit with the KT88s but much cooler on EL34s. Sounds beautiful. With the ability to swap tube types and the ultra-linear/triax switch, it’s like having four amps in one. Generally, sounds warm and “tubey” (especially in triode mode) without losing detail. Still exploring tube combos. For the money, I don’t see how you beat it. ... show more
Reviewed in the United States on August 11, 2024 by JCLA
    • Are you FREAKIN kidding me? Drives Magnapan Speakers
Color: Black
So i got hooked on the audiophile bug about 7 years ago, give or take. Auditioned some Magnapan MMGs with a Rogue Audio Cronus Magnum Amp. I wanted that sound in my den. Well a few months later I got the speakers with goal of getting the Rogue. I even printed a picture of it and put it in my desk drawer for motivation. Life happens, time goes on. So now the Rogue is the 3rd iteration and at $3500 its just not feasible. So looking at the China-HiFi units I was intrigued at the Willsenton R8. Could all the reviews be that good and factual? Well needless to say i took the plunge. Ordered it Friday night and it arrived Tuesday morning. The sound I have been dreaming of for 8 years has finally come to pass. This mother is a beast and oh so beautiful. It has opened up my ears to quality Hi-Fidelity. I have been listening to it almost non-stop for 2 days now. Norah Jones, Adele, Dinah Washington, Ella.... OMG. Smooth like butta!!! Buble, Sinatra, Knofler..... WHAT!!! And i'm still in the break-in period. Have not tried Maynard, Doc or Pops yet,,, but it's gonna happen. Smooth Jazz, Jazz guitar, Shweet sax... It fills my den with audio heaven. Driving Klipsch RP-160Ms. Waiting for a week of burn-in till i hook up my maggies. I'm a bit apprehensive on those but we will see and I'll post an update. If you are on the fence about buying this amp... JUMP OFF!!! This is by far the most exciting purchase I've made in years and I am over the moon. Great decision. No regrets. Day 4 update: My only apprehension on this receiver was whether it could drive my Magnapan MMG speakers. I couldn't wait any longer. Been listening to them all day. A resounding YES!!! The Willsenton R8 will drive Magnapan MMG sensitivity86db speakers. Not a problem at all. I even think I heard it say " hee hee... I got these Bro!" The room just opens up I've got a ton to do before Christmas but I just can't get out of my recliner. I've got maybe 20hrs on the amp right now and it does just keep getting sweeter and sweeter. For the price... Dude! Amazon gets 5/5 for delivery. Willsenton na 10/5 for the R8. Thinking about getting more for the bedroom, kitchen, bathroom... 1 week update: This amp is at it's premium after about 3 hrs of play time. i've been listening to mostly Amazon music and Radio Swiss Jazz on Tunein. Amazing!!! ... show more
Reviewed in the United States on December 22, 2022 by A. P. Farrar
    • Great tube amp at a great price
Color: Black
Review Image by WC Elliott WC Elliott
The R-8 bests many other tube amps at 2 x 3 times the price. That said I ordered silver and sent it back due to static in volume control and right channel. (It was the older model with internal 110-220 voltage switch and 180 mf choke. I texted the supplier and they wrote back at once that the black versions were all the newer model ( no voltage switch and 220mf choke). Ordered black wow what a winner super quite no static or volume control static just full rich unbelievable sound soundstage and depth. A+ in every regard. I did ditch the Willsenton tubes and put in JJ KT 88’s blue bottle and JJ 6SN7’s and then Tung Sol 6SL7’s. Be careful as some of the new JJ 6SL7’s are noisy. Will all that done and maybe $450-$500 invested in new tubes this R8 is a super star. (You can sell your Willsenton tube set for maybe $200 on Ebay to offset new tube price. Take your time make sure to bias correctly and you will put $8,000 integrated’s to shame. Willsenton R8 is a home run. ... show more
Reviewed in the United States on March 23, 2024 by WC Elliott WC Elliott

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