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Product Reviews
Hypex Nilai500 Mono Kit ($933.00 Excluding VAT)
A long term review as purchased in Jan 2025. No problems buying from Stefan at KJF. An excellent service to be honest. The amplifiers namely Nilai 500 mono blacks have been exemplary. Absolutely no problems with them whatsoever. The build can sound a bit daunting but in reality just follow the instructions. There is nothing that complicated in the build. It's only a case of assembling the kit. I don't have any standby trigger out on my pre-amp so I've used a 12V wall wart via a remote controlled power plug to activate the amps via the 12V trigger input. Works a treat as I can power everything up by remotes now. The sound is something else. But I guess anyone would know that if they where going to purchase. Superb I can't say more. Thanks.
View this product →MAOP 10 matched pair ($352.00 Excluding VAT)
I purchased one from the very last batch. At first, the sound was completely terrible, but after 400 hours of burn-in, it now delivers fantastic sound. I have housed it in a 9-liter cylindrical sealed enclosure, crossing it over with my DIY subwoofer around 100 to 150 Hz using a DSP, and the integration is absolutely flawless. I feel incredibly lucky to have acquired such an amazing driver.
View this product →Hypex Nilai Stereo to dual mono adapter kit ($102.00 Excluding VAT)
Same story as the users above: more grip/control, more air between the sounds, more stable and deeper soundstage. Thought the stereo was already great, but the diff was bigger than expected, luv the upgrade!
View this product →Hypex Nilai Stereo to dual mono adapter kit ($102.00 Excluding VAT)
Brought hypex nilia adapter kit with the extra power supply. Really easy to install
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So far so good sound great.
Thank youLoudspeaker Crossover Design Service ( Price range: $129.00 through $163.00 Excluding VAT)
Thanks guys at KJF Audio for the great crossover design. After realizing that designing a real good passive crossover for my project, being high quality / high power mid high tops wasn't a thing I'd bring to a good end myself, lacking experience and the right software and equipment I decided to ask KJF for help. Within a couple of days after submitting the ZMA files, datasheets of the drivers, baffle layout and my wishes I received the design including the vision of a very experienced audio specialist and the simulation graphs of the impedance, frequency response, delay and spreading. Started building the crossover right away and after measuring finding out that the real thing was almost exactly the same as KJF's simulations. The mid high tops with each a JBL2123H and a Beyma TPL200H crossed around 2k sound as I only could dream of: flat response within the intended range, insanely fast and direct, perfectly smooth around the x-over frequency. And that from decent living room volumes to an insane spl without getting screamy. Simply said, couldn't be happier!
View this product →Hypex Nilai Stereo to dual mono adapter kit ($102.00 Excluding VAT)
If you have a Hypex Nilai Stereo kit and want even better control/power/separation of sounds?
Then this is "no-brainer" and very easy to assemble!Best regards, a satisfied customer from Finland
View this product →Hypex Nilai500 Stereo Kit ($1,392.00 Excluding VAT)
I purchased this Nilai amplifier to drive the front L/R speakers in my system & partner the 8 channel MA-01 I already own, which drives the 8 surround channels.
The Nilai sounds absolutely neutral, doesn’t get hot, even after hours of use & was a pleasure to assemble, everything fitted together perfectly.The service from KJF is always first class too, I ordered this in the afternoon & it was still delivered the next day.
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I highly recommend this amplifier & KJF Audio.Frugel-Horn Lite DIY speaker kit (From: $335.00 Excluding VAT)
Impressed.
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The build: with care the build - even on the kitchen table - is straightforward. Unfortunately I saw the older instructions first so bought a range of clamps (£200) but these are now unnecessary. It is a pity that I was "not permitted" to know the name of the tape used in the video because I think it would probably be better than the tape I used (Scotch blue). The method works well and the results are good - I used a bit of wood filler for the inevitable gaps but when sanded and varnished the birch ply looks super.
The sound: these are good speakers. Clear, precise and enjoyable. As one would expect, not great for loud, bass-heavy tracks. Certainly genuinely exceptional value for money. I have the MAOP drivers.
The Look: (if important) to me they look super in the room. The curved cabinet adds a certain "je ne sais quoi" and there is definitely a sense of "I built those" pride.
I intend to build the XL version next - interested to hear the differences!
If you're tempted - give in and get a pair.Alpair 5.3 - Gold/Grey (pair) ($96.00 Excluding VAT)
These were built into the compact multichamber enclosure in 15mm oak. At first use fabulous detail and some bass. After a month of intermittent use the bass really came alive. These are now in use on my studio mixing desk in preference to Beyer closed back cans or LS3/5A 15ohm. Amplification for nearfield with Naim Nait 1, around 15 watts is more than enough to fill a medium room. Stunning
View this product →MA-01 Flexible amplifier (From: $765.00 Excluding VAT)
Extremely happy with my 8channel MA-01, it drives the surrounding channels in my multi channel system & I plan to add a 2 channel for my front L/R in the near future. Excellent product, great value & great service.
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