This is a amazing headphone amp. Very high resolution and wide stereo image. Sound is stunning in XLR output to my Focal Clear MG. I am very pleased with this amp. My previous Musician Andromeda headphone amp is ver y good, but this one go"s much farther in all. a very satisfied owner off the Master 19.

My system is improved by adding the Master 19 preamp between the Audio-gd DAC r2r7 and my new poweramp. The poweramp sounded already good directly connected to the DAC but the Master 19 improves the soundstage and bottom end very much. With some recordings I'm hearing things that I never heard before, including very expensive setups at audio shows. At the same time I have aquired one of the best headphone amps in this price range. Thanks Jos and Rob: I'm keeping this one!

Wat een fijne versterker, muisstil, zwarte achtergrond. Super veel details, erg mooie plaatsing van instrumenten en artiesten. Superstrakke basweergave. Speel met een Meze 109 pro hoofdtelefoon. Had hiervoor een creek obh21 hoofdtelefoon versterker maar dit is zo een grote sprong voorwaarts dat heb ik niet durven dromen. Vragen werden snel serieus en eerlijk beantwoord. Kortom heel tevreden.

I ordered the Audio-GD - R1 NOS DAC at Magna Hifi 3 weeks ago on advice of a good friend. As I live and work nearby, I asked Jos to collect it, rather than have it delivered. This was scheduled within a day. While talking about the intended use as a single DAC rather than a head phone DAC/Amplifier. Thanks for the excellent service Magna Hifi !

The amplifier- 4.5 stars. Very good class A . Sound wise I find it more enjoyable when compared to A90. Price/quality ratio is great with SA1. Measurements are also excellent (see ASR for Amir review). Magna Hifi service- 10 stars. Excellent pre and post sale customer service from Rob and Jos. My SA1 had an issue with power protection. I was promptly resolved. Based on my experience I strongly recommend Magna HiFi.

Fantastic preamplifier for an unprecedented low price! This is my best hi-fi purchase in recent years.

Fantastic device! And really happy with the delivery as well.

This is my first "proper" AMP (I had a dragonfly before) and it just makes the music so engaging, lively and fun to listen to compared to some other amps I tried, even ones at twice it's price point. Also worth mentioning is that the staff at Magna have been great to me this whole time, there were a lot of delays due to Singxer but Rob and Jos were always honest with me and quick to respond to questions.

Great product, nothing else to wish for!

Hello Magna Hifi!, I am very much enjoying the Audio GD R28 DAC/Pre I purchased from you. Thank you very much for your excellent service. Steve P.

This amp price/performance ratio is ridiculously good!!! Just get it. Sounds best connected to a balanced DAC, Rca sounds amazing too. Very Happy customer – great Magna service!

I currently have an Aqua La Scala DAC but decided to buy an Audio GD R7HE MK3 for comparison. The result is that I like the sound of the R7HE MK3 much more, and so the La Scala goes up for sale. The R7HE MK3 is a really good DAC. Many thanks also to Magna for the good service.

My R28 arrived back to me this morning, thank you. Straight out of the box my system sounds very much improved, I have the R28 hooked up to a GRAAF GM 50B MK2 Integrated. So many thanks for you help and expertise, I look forward to doing business in the future.

This evening I will listen to the HE1 extensively It certainly sounds a lot better now that I don't have to worry about the remote control anymore. (Psychological effect)😉🙂 First of all, my warmest thanks for the good and quick support for this special problem. Thanks also to Audio GD, who took the problem seriously and responded quickly, without further discussions.

The first sound impression is very positive (of course the device still needs to be used for many hours) The device has a musical soul, I can already hear that clearly.

Right from the start it showed amazing transparency, resolution and energy!After two days the sound smoothed out and became fuller but what I`ve found fascinating about the Audio-GD – HE1 MK3 preamp is the incredible ease with which it handles instruments and voices and how its micro and macro dynamic responsiveness. The holographic presentation of sound sources, depth layering and soundstage height were also enchanting. All in all - a fantastic preamp and it`s not even fully burned-in

The HE1 mk3 is preamp is one impressive, heavy beast! Even at lower volumes, the sound is lively. At higher volumes it remains solid as a rock. It's a beast with a sweet side. The extra gain options make this preamp even more versatile. Only the size (especially the depth) is not for everyone, you need 50-55cm depth.

HE1 arrived on Tuesday. After listening music for a few hours, I have to say it's amazing. With Master 3. More details, more energy, more bass, richer in everything. Spatial and accurate all the sounds and micro details are magical. I can't imagine how much better the sound could be with a top Audio-GD Dac and a top loudspeaker :-)

High end does not have to be expensive. This preamp proves that. I've heard a lot in my life but this is a no brainer. Thanks also Magna Hifi for this recommendation!

Audio-GD HE1 is a truly high-end audio preamplifier! I can't find enough terms of praise! I owned many preamplifiers that were even more expensive. At HE1 I like the neutrality the most (in the good sense), that is the realism of the natural, unchanged, uncolored sound. It is not about that sterile neutrality, it is simply about realism, about the sound that is very similar to the natural one, real. I like how fast it is without exaggerating, meaning the speed is exactly in the middle, neither below nor above, just like the real sound! It is dynamic and very transparent but not thin. It's just right! And above all it produces a 3D effect, the sound seems holographic, not artificially, on the contrary, natural, realistic. Probably the two channels are executed to the highest perfection, otherwise I can't explain why in terms of soundstage it humiliates the other preamplifiers ?! I compared it directly with other preamplifiers and they were the shortest comparisons. I had nothing to compare, HE1 is far superior from the first minute! (cold! .... I don't say what he does after he warms up!) Sounds good right after unpacking and zero burn-in! But after a run-in of a few hundred hours, I would really say that I am amazed at how it sounds! And the copy received, which is a new model 2020/2021, does not heat up as I read on the internet. On the contrary, just a little warm no matter how much it worked, even a few days continuously. As far as I understand, they fixed the problem of excessive heat in the old models (which they also wrote on the site) I do not find any negative points, nothing to criticize. Maybe the size ?! Is very large! When I received it I was amazed at how big it is! But the quality comes with a price! 5 stars are not enough for me! I would like to give it 10 stars! I highly recommend!

HE1 sounds since Friday and it’s such a pleasure ! The sound of my installation is now much beautiful as I have ever hoped… Thanks again for your advices and disponibility…

The HE-1 sound was not good: Too much bass and not muddy dark sound. After two days leaving it turned on I did not understand what happened. The sound completely transformed in open transparent sound and tight bass. Really fantastic! Warm up time is now about 20 Minutes and then it sounds great! Very open and detailed with exzellent room and not harsh! Best preamp ever!

First of all and most important: I love the sound! This amp is made with high grade parts and feels very solid. Fully discrete class A preamp. Highly recommended!

I am very satisfied with my new set! The HE1 is a significant improvement compared to. my other preamplifier that was a lot more expensive! Unprecedented sound quality.

Sounds great and features are simply unbeatable for this price. Replacing my Topping preamp - has never been able to charm me anyway.