review iPhono 2


I must be slow as I could not find a link to place this as a review. 

So, I have written about the 1st gen iPhono in the past, comparing it to the very fine Coincident phonostage which I believe is about $6k. I preferred the iPhono but I could just as easily imagine someone else going for the Coincident unit. In that review I thought the Coincident had a better sustain, decay and bloom while the iPhono was hands down the winner in the prat department. The iPhono made my feet move, the Coincident, not so much.

Later on I added the iPower to the fray and the iPhono shored up the areas it lacked. As a former owner of the very very nice Graaf GM70 I was a bit surprised and dismayed when I finally received the iPhono and heard it once fully run-in. I would not have shelled out the thousands of dollars I paid for the GM70 and the vintage NOS tubs I purchased to make it sing, oh and the $1600 I had to spend on the Ortofon ST-80SE SUT to use with the MM inputs of the Graaf as I could not get it quiet enough to tolerate with the MC inputs. The very small $400 iPhono basically did everything the Graaf did (with the iPower that is).

My reference phonostage for the last few years (and probably many more to come) is the fabulous AMR PH77 and I’m running it with a set of Bendix 6900 tubes which elevates its performance even more than the already stellar stock configurations performance. In comparison to my PH77, I found the 1st gen iPhono to be a bit thin and during crescendos it could become a little ragged. Still, it remained in my arsenal as a handy and trusty back-up. The PH77 is of course tubed and as we tube owners know all too well, sometimes they fail and you are down for a while.

Compared to most phonostages I have heard, some of them costing up to $9k I found the 1st gen iPhono to be able to hold its own in some cases crazy as it may sound it was just plain better. I believe AMR intended the iPhono/iTube to be used in conjunction as a sort of baby AMR PH77 and I ran it that way for some time and yes, it does share that familial DNA when it comes to sonic signature.

Move forward some years and I have in my possession the iPhono2 and the iTube 2. To say that the iPhono 2 is better than its predecessor is far too simple a statement. Mr. Fremer thought it to be at least twice as good as the original. I would agree with his assessment. Out of the box with the included iPower is shows far more prowess in the areas of bass but otherwise is pretty close to the original. After about 20 hours a bit more fluidity begins to appear. Again at the 100 and about the 340 hour mark big jumps occur in the areas of fluidity and continuousness. When you get to 480 hours forget about it!

This thing sounds like it has a tube in it, and I don’t mean in that classic overly warm soft rose colored sound that I found so fantastic when I was new to high end audio. No, I am referring to a pellucid but meaty embodiment and rendering of the music. A sound one would immediately associate with MUCH costlier gear.

Most of my listening has been done with my second turntable system which is composed of a Technics SL-1200 GAE with a fully broken in Denon 103R on a LP Zupreme 15 gram headshell and my London Reference. The phono stage then feeds the iCan Pro (best pre I have heard and I have owned 2 MFA Ref units, the baby Ref and the full Ref), the Tube Research Labs GTP 2, and many more. I have had in my system for evaluation the Veloce (battery powered) the Allnic L3000 and many others. From the pre it goes to the custom active crossover and then to a Graaf Modena for the mids, a Harmonix Reimyo PAT777 for the Raal Ribbons and a pair of Acoustic Reality Thaumaturges ($25K when available) for the woofers. The speaker is called the Encore and is my own design. I simply got tired of paying for passive boxes made of MDF with wood screws going directly into the glued wood dust and sold for tens of thousands of dollars but I digress :)

The sound is at once flowing and dynamic. It grabs and holds my attention and really gets my foot tapping. The sound is MUCH more refined and fuller than the original iPhono with no hint of raggedness during large scale bombastic music. For instance it scales far more convincingly on some of the more challenging passages in Hans Zimmers wonderful soundtrack to Gladiator. The original could sound a bit blocky if you take my meaning. It did not have the ability to gracefully scale the mountain so to speak. The iPhono 2 does it with much more ease and refinement.

Here is where it gets interesting. As good as the iPhono 2 is out of the box and it is very very good (and especially after 340 hours or more) in fact far far better than the DS Audio optical cartridge system that I auditioned, it can be made to sound a good deal better. Now this is my own thing, the iFi line of SMPS’s are admittedly super quiet and much better than most SMPS such as the ones inside my apple gear, but I hate them ALL.

I do not like green eggs and.., ahem. Sorry, just flashed back to Dr. Seuss when I thought of my aversion to SMPS’s.

I mean I understand why they are used, efficient,  cheaper to ship and inherently regulated. But they still hurt the sound of my system. As an aside I am actually having a custom linear PS built for my SL-1200 GAE to replace the awful SMPS that Technics installed. So to the point, I replaced the iPower with a linear regulated lab grade power supply. I don’t like hyperbole so I offer none but the result was nothing short of breath taking. There is a great deal more that can be had from that little silver box with a good (and I do mean good) linear supply.

Next I added the iTube 2 to the fray. As I mentioned before AMR always sorta intended this combo to be a baby PH77 as was or may still be mentioned on the iFi site. How to put this; everything I have said about the iPhono 2 up to this point; multiply it by 2 times again. Now you have that sorta living presence that the performers are in your vicinity. Things are rounder, more palpable and it breathes much easier. Again I powered the iTube 2 with a linear supply along with the iCan Pro. Please don’t misunderstand me, I lived with these units powered via there very good SMPS’s for quite a while and they made beautiful music BUT I knew there was much more to be had.

Like Mr. Fremer (paraphrased) stated, to get better than the iPhono 2 you are going to have spend much more and you still may not surpass this unit. I auditioned a $16K current phono stage that people rave over and my ears tell me that it cannot compete with iPhono 2/ iTube 2 combination.  I will not call this a reference phono stage. It is great and I listen to it daily but I reserve titles like reference for the likes of Ypsilon, VDH Grail SB and my AMR PH77. The little combo does far more than I could have imagined. It capable of truly astounding musical reproduction on a grand scale.  

Remember to let it run in for at least 100 (and I suggest 300) hours before you really start to judge it but my guess is it won’t take most people that long to know that this is special gear designed by some super gifted engineers who also happen to actually be able to HEAR. Thanks for reading and I hope this helps someone make a decision one way or the other. Happy listening.


audiofun

Showing 18 responses by chakster

Many people reports about defective iphono 2 units in this forum: 

http://forums.stevehoffman.tv/threads/heads-up-ifi-phono-2.627504/page-7 

Has anyone experienced something like that? The guy bought 3 units from different sources and all are defective. He's not alone with this problem. Do you still trust the manufacturer? When the warranty expired what would you do? 

Please read the link i have posted, i only talking about iPhono2, i know that you are fan of all their stuff, but there are people posting about serious problems, not just buzz. Also many owners complaining the unit get very hot while using. Some people posting about bad power supplies. All came from this company. Some units does not work well from the start. I just checked that thread and after some rave comments from people affected by Fremmer’s review and all the hype i’ve come across some very bad comments from other users. Return policy allow people to send them back for full refund, but what about the quality control?
@audiofun 
 I just found it interesting that you decided to join this particular thread just to spread that link.

Because i was shocked when i did my search. I was intended to try this unit untill i saw bad comments. I even found a great deal in UK, but when someone bought 3 defective unit (new) one by one then something definitely wrong. I'd like to clear up this thing for myself and that's why i posted info here. 

On the other hand everyone talking about expensive or overpriced phono stages and some average phono stages received many reviews, but no one talking about really good and reasonably priced phono stages that are not reviewed that much yet (like JLTi for example). I like the simplicity in signal path, but the iPhono has so many switches etc. The name and the whole philosophy behind this brand (adding some "tubey" devices) and their incorrect statement about different riaa ... all that along with some technical problems makes me think twice.   

However, i use 3 turntables and 6 tonearms with different cartridges, and one more phono stage is what i need (i already got 2 different phono stages that i like). I like the idea to connect two cables in one phono stage to switch between mc / mm without changing the cable each time. I like the price tag of the iPhono2. But i know another amazing phono stage for mc/mm at the same price (the JLTi) with the simplest signal path and the ability to change load resistors (rca plugs on the back) with zero capacitance (that i can change only by external cable).  
Has anyone tried is with extremely low (0,05mV) output MC cartridges like ortofon MC-2000 ?

@james1969 can you mention any other good phono stages you have owned before the iphono2?

We are always so happy about new things we're buying, especially if the price is good, but one week is probably not enough time. 

Someone can say which phono stages are better than iphono2 in this thread? It would be interesting to know. 
@james1969 
I'm using the iPhono2 with a Koetsu RSP (0.3 mV output).  I also use the Lamm LP2 Deluxe phono stage.

I see, but 0,3mV and 0,05mV is not the same. Many phono stages can handle 0.2mV, but 0,05mV is extremely low output for MC. 

The guy on that forum said his iphono2 just stop working after 1 month and after changind 3 of them under warranty he gave up (and he's not alone). This is so strange. Folks with the same problem ended up with Musical Surroundings Phonomena II and NWA phono stages after all. 
@audiofun as you may know i have many cartridges, the lowest in output is Ortofon mc-2000, good to know that iPhono2 is not designed for such a low output (thanks). I have SUTs and Headamps which i use with two other phono stages, no problem. 

As for the failures i'm sure it's better to know how bad it can be when other users simply ignore the facts that the stage can stop working after one month (this is crazy and must be said). 
@audiofun
You come on this thread to talk about alleged issues others mention on a different site while trying to push 3 other phono stages and claiming that AMR/iFi misrepresented something concerning EQ. What’s your game?
One of that stages is parented company of iFi and no one has had an issues if you will google it. That’s why.

Fremmer pointed out the following: "I was fortunate enough to speak with one of the last surviving original UK Decca mastering engineers George Bettyes. Mr. Bettyes insisted that Decca implemented the RIAA curve as soon as the company began issuing stereo records. He also insisted that UK Decca and American London records were identical other than the labels used. That is why, he insisted, all older American stereo London records say on them “use the RIAA curve”. So when you read in the instructions here about using the Columbia curve on ‘70s era stereo records, do yourself a favor and ignore them! Ditto what’s suggested about Decca records and the Decca FFRR curve! If these records sound “better” with those curves, you are using them as a tone control and not for strictly accurate playback."

I started this thread to share my experiences with a superlative phono stage that has upstaged units costing near $10k because it is nice to be able to get that type of performance on the cheap.

I always tryin to get decent performance without payin 10k on anything hi-end. Yes it’s nice and many designers are not trying to full people with 10k price tags for simple products like phono stages. I appreciate that. Nice to see other people realizing that 10k unit is not always a stellar perforer. Audio products with 10k price tag does not exists for me, i can not afford it. 

Also, if you have all these other phono stages/SUT’s/ head amps than can handle your MC 2000 and you clearly don’t like the why again, I ask are you on this site asking if it can handle that cartridge?

Headamp and SUTS are external units, nice to have a small unit that can handle so low output alone without any external devices. That’s why. And to compare the sound quality of course. We're always looking for the best sound, you know. 

I’m going to correct myself. At 72dB with a 200mv output the iPhono 2 should be able to handle a .05mv cart. I sometimes revert back to my old passive pre (MFA Reference) days and forget I’m running an active gain stage these days. That is plenty of oomph, so for those who TRULY have an interest in this phono stage, I would say that a cart of .05mv shouldn’t be an issue.

Ok, that’s better, because if iphono2 can handle .05mV then it’s truly high gain phono stage for extremely low output classics (like the Ortofon MC2000 and others).




Last week a friend gave me iPhono2 and on a weekend i’ve been able to check it out in my system with various cartridges (MM and MC). I decided to post it here before i will forget everything.

Luckily there was no issue with power supply i’ve been woried about about in my previous posts above. The size of the iPhono2 is even smaller than i expected, the RCA sockets are too close to each other, so maybe not the best for some of the bold RCAs like the Xsadow, but was ok for my WBT 0114, Eichman Bullet and LoveCraft RCAs.

**** **** My system is ... **** ****

2 x Luxman PD-444 turntables with SAEC SS-300 mats on one of them.
https://scontent-ams3-1.xx.fbcdn.net/v/t1.0-9/25498140_2001414729876684_7039186983361390050_n.jpg?oh...

Phono stages:
JLTi MM/MC phono stage with rca sockets for load resistors on the back.
WLM Phonata Reference MM/MC phono stage (upgraded).
Luxman AD8000 with silver SUT 8030 for low impedance carts
Upgraded Grado PH-1 phono stage
ZYX CPP-1 headamp

Tonearms and cartridges on this test:
Luxman TA-1 tonearm for high compliance Stanton SC-100 WOS mm cart. Victor UA-7045 tonearm with Grace F-14 LC-OFC cartridge. Lustre GST-801 with Fidelity-Research FR-7f and Ortofon SPU Royal G mkII with Replicant-100 stylus, SONY PUA-7 with Ortofon MC-2000 cartridge.

Speakers:
ZU Audio Druid MK5 (actually upgraded mk4) speakers with 101db efficiency. WLM Minueta tube arm with NOS telefunken and matsushita (*mullard tooling) tubes.

**** **** To make is short (about iPhono2 with MM): **** ****
I was not impressed by the sound of iPhono2 with MM cartridges, it was quiet, fast and dynamic, but a way too bright. I found all that switches useless, the RIAA is nothing but a tone control and has nothing to do with reality (as pointed by M.Fremer in his review), so i set up standard riaa curve. The capacitance load does not change much to my ears. The unfoirtunately there is no resistance load for MM cartridges which is far more important, so 47k Ohm is default setting.

Grace F-14 LC-OFC sound far more superior with 100k ohm load with JLTi phono stage. The bass impact was far more superior with WLM Phonata Reference (also with 100k ohm Vishay load resistors). Both WLM and JLTi have more weights and overall are much more comfortable than bright iPhono2 with the MM carts.

iPhono2 is better than Grado PH-1 phono stages, they are in the same price category, the Grado was $500 new, but i have changed load resistors to Vishay Naked Foil 100k instead of 47k.

Grace recommended 47-100k Ohm load for their cartridges btw.

I Would recommend JLTi for those who prefer MM cartridges, compared to iPhono2, because of the limited default 47k Ohm standard on iPhono2.

**** **** Now about iPhono2 with MC (Good news): **** ****
The iPhono2 was great with my Ortofon SPU Royal G mkII LOMC cartridge! Shockingly great for its price. I was very impressed about the sound quality, details, soundstage.

However both of my LOMC carts that worked well with iPhono2 were better with Luxman SUT + JLTi MM phono. Especially in the lower register. But the price of this combo (SUT and JLTi) is much higher. So i think for MC stage with high gain the iPhono2 is great!

But the iPhono2 does NOT work well with 0.05mV Ortofon MC2000 LOMC cartridge, 72dB gain is definitely not enough for this beast! If your cartridge is has such a low output then iPhono2 should be avoided. In fact even 1:30 Luxman silver SUT is not ideal for an Ortofon MC-2000, but much better than iPhono. The Fidelity-Research FR-7f is definitely better with SUT and my JLTi compared to iPhono2.

P.S. I will return the iPhono2 to my friend, it was nice to check it out for a few days with different cartridges. I do not have more time, but for me it’s clear. Don’t believe the hype! It is a good product, but even in this price category there are better products available with different features such as load resistors sockets. Personally i would NOT buy iPhono for MM cartridges, especially if your system is similar to mine, but it might work well for some great MC carts like the Ortofon SPU Royal G MKII (with this cartridge iPhono2 was great).
Maybe i will give up on this Ortofon MC2000, i have plenty of decent MM cartridges and some easy to use MC for my phono stages. My sample is mint condition in original package with everything included. MC2000 has lower output than my ex ZYX Premium 4D (that one was 0.24mV and dead quiet). So i'm open for offers for this beats.    
@pryso 

chakster, does your JLTi include the optional outboard power supply?

I bought an early one (black box) from Oz. At that time they were matched with a wall wart, which they said was all that was needed. A local friend built a fully regulated power supply for mine which improved performance noticeably, particularly with bass production and overall dynamics. About that time, JLTi began offering their own outboard PS as an option. That’s why I ask.

I use wall wart version, but now they are offering the upgrade, so anyone can ship the item back to them to upgrade it to mark 5 I was thinking to ask Joe about this upgrade, but i have prior things at the moment. 
If you guys are not actually listening to your records on your device before and durign burn-in process then how you can make sure there is an improvement? Would you like to make a recording before and after 700 hrs of burn-in to prove it for yourself at least? 
@kalali

Never heard any gear requiring this much break in time. Is this a common thing for phono preamps in general or unique to this particular item?

Do you believe in miracles? It’s a common thing for a believers to burn-in everythings with special devices, while normal people just listen to the music, if there is an improvement you will hear it in the process. But to prove it there must be recordings (made before and after), if there is a big difference it will be noticable on recording made with this device. I’ve never heard/seen anyone did so.

You can not remember how the phono stage sounded 100-700hrs ago. Our brain can not hold this imformation for such a long time to compare it with new information received later on. When we get used to certain things we like it on another level, but it does not mean that the sound quality is improved much after 100-700 hrs. Sometimes it’s our mood and some other factors, but not a true comparison of sound.

If every device change the nature of sound that much in burn in process, then i would ONLY buy used devices according to this logic they are the best sounding!  


@audiofun just a common sense my friend, i'm not a seller or manufacturer of the phono stages and i already stated that i did tried the iPhono2. You may pray for every device you are buying, and you're on another expensive phono stage right now as i can see. But buyin 3-5 phono stages is not for everyone and that's why i just tried to say the iPhono is not an exceptional device. To throw away $700 may be "down to the earth price" as you call it, but for many people it is not so cheap and luckily we have good manufacturers who are also trying to keep down the price for quality products as the opposite to those who sells $10 000 phono stage dusted by $700 iPhono2. 


It was fine for MC, but not for the very low output MC. This stage is not designed well even for MM cartridges, it's pretty obvious (no way to change load resistange for MM) and the overall sound is too bright compared to some other well designed phono stages. You're just ignoring reasonably priced phono stages available on the market from a well knows designers, and ONLY comparing your iPhono to some very expensive ones (which doesn't makes them better, right?). I assume you're using MC cartridges.

Surely you can ignore everyone who criticize the iPhono (for defective power supplies, for the bright sound, for the lack of the proper settings for MM. For the stupid tone controls with incorrect additional RIAA curves, supposed to be the right ones for Decca, Colombia, but they are not the right ones and never used by those respected lables...). You can call it "an agenda against iFi", but this is bul***it.    

The most simplified phono stages are the best ones and they shouldn't cost much, the iPhono is not that simple. 

It's fine when low priced unit surpass the overpriced units, but the Chinese Made iPhono (what a st**id name btw) is not an expentional phono stage people can buy for reasonable price. The hype was caused by Fremer's review, but you're ignoring the fact that any used phono stage is much cheaper than new. Not every audiophile is ready to spend $100 000+ on the system. 

I was sceptical about it iPhono after i've come across some negative feedbacks online, but at least i tried it in my system to make sure. A friend gave me his brand new iPhono2. I'm honest and i have pointed out the weak parts of the iPhono, i was not impressed like you, but it is my opinion and my system. My principle is not to make a mistakes as i can't buy new phono stage every month, my budget is limited. At least it was good for MC cartridge.  

Everyone is free to ignore my opinion.  


@kalali  

I can assure you I would not remember how something sounded a year or so ago unless I put it away and pick it up a year later and the change is very dramatic and in my face. Not if I use it along the way.Just as an aside, I do agree some break in time helps the passive components like capacitors to open up. But that's like 20-40 hours.

Exactly, but this is a difference between component "A" and component "B". When it comes to component "A" in january and same component "A" in december it's not that easy, could be an illusion. That's the point to document it, simply record it.  


@clearthink

It sounds like you believe in miracles and faith-based phony "science" how could you not have read the very many thoughtful posts submitted here by those who have indeed firsthand observed such differences in the Music Reproduction Systems.

Are you talking about phono stages here?
I have a few of them purchased new and didn’t noticed any big/huge difference after years of using them, despite the fact that i like them from the first hour. But i’m curious about it and that’s why i would prefer to check some facts, not a faulty memories, the fact is the recording made with "new" device and later made with same "used" device. I’m not a fan of this digital comparison, but that’s the only way to make sure what is the difference and how big is the difference? Why we can’t find tests like that for one component ??? It would be very interesting. 


@dougolsen

This is exactly what i’ve been worried about, this phono stage was made in China. But you will not get the right answer here from the OP, i hope you can find more helpful info on another forum:

http://forums.stevehoffman.tv/threads/heads-up-ifi-phono-2.627504/page-7

The question is what would you do with this "magic iPhono" when the warranty expired? There is a guy who returned 2 items to get 3rd one with the same problem, he gave up after all. The stories are all over internet forums. I'm sorry to hear you're on the same iFi boat. 
Dear Doug, i've been trying iPhono2 and in my opinion it's too bright, the bass can't compete with the more expensive phono stages. But as i said i'm a big fan of MM cartridges. With LOMC cartridges iPhono impressed me more, but still not as good to buy it for myself. 

After reading many comments i quickly realized it can be problematic, nothing is perfect, but little bugs can be fixed. In case with MADE IN CHINA iPhono2 the bugs can not be fixed even after 3rd return from the customers. This is BS! This product must be avoided. Actually the whole philosophy behind the iFi is so stupid in my opinion, people ended up with so many devices in the signal pass, tons of switches and so on and on, everything boxed like the Apple iPhone (WTF?). 

I can't remember the price of this terrible unit, but for $774 USD (including shipping) anyone can buy JLTi phono stage made in Australia by Joe Rassmussen, he was a partner of Allen Wright (a co-designer of the JLTi when it was made in Switzerland). They are respected people in audiophiles world.  I just bought JLTi and i just don't get that hype about iPhono, do yourself a favour, check the JLTi if you're looking for reasonably priced and great sounding phono stage. I'm sure there are many more phono stages available, but i have not tried them. I can only speaks for JLTi because they are in the same price range with that terrible Chinese iPhono.

Here is more about JLTi: 
" The name denotes that this is a Solid State device using something that is called Diamond Transistor Theory, rarely used on High-End Audio products. The most simple and linear audio voltage amplification device is a Vacuum Triode which consists of three electrodes only. They are the Grid (input), Cathode (grounding) and Anode (output). On the other hand, the Solid State Transistor is a current device but is nowhere near as linear as the Triode. It consists of Base (input), Emitter (grounding) and Collector (output). The idea behind a Diamond Transistor is actually a composite circuit that emulates the near perfect and linear Transistor as a current device with the same three electrodes in the circuit then becomes the equivalent of the Base, Emitter and Collector followed by a Unity Gain Buffer. "

As the oppisite to Raul, i use tube amps with vintage Telefunken, Sylvania tubes at the moment. BUT i don't use tube phono stages! The most "tube sounding" phono stage in my arsenal is WLM Phonata (Made in Austria) with specific MOS-FET transistors. But this phono stage is much more expensive.  
@racedoc 

The (of course in my opinion)
clear winner in that price range is the Trichord Dino Mk3. Especially
with the optional Dino+ PSU it is my clear favoured "best bang for
the buck".

As i can see Trichord Dino MK3 is another phono stage designed for MC cartridges with MM as a bonus, because there is NO option to change loading for MM, which is a MUST HAVE for any good phono stage design! There is only one option for MM and this is 47k ohm, not higher. I don't know if it can be moddified, but again i'm pretty sure the RCA plug resistors is much better option, so we can use whatever load resistor value we like, not just what a manufacturer offering us. It is stupid to ignore 100k Ohm for MM, the best MM cartridges made by JVC Victor, Grace supposed to be loaded at 47-100k Ohm range and Japanese were smart to suggest these settings for the users in every manual that comes with their cartridges. But the designers of the MM phono stage nowadays are not so smart, they are more concerned about MC capabilities and completely ignoring MM capabilities which is more important.