New Doshi 3.0 phono pre

I hope everyone realizes that the Doshi phono stage is a hybrid unit which I think uses FETs on the input side to increase the gain so you can use it with low output MC cartridges. That explains why Nick is getting such low noise out of his phono section. Tubes alone could never pull that off.

If the implementation works and it sounds good, fine by me!
 
I hope everyone realizes that the Doshi phono stage is a hybrid unit which I think uses FETs on the input side to increase the gain so you can use it with low output MC cartridges. That explains why Nick is getting such low noise out of his phono section. Tubes alone could never pull that off.

That's true Mark. 26db of it's 72db gain is solid state. The amazing part is, it is still quieter than any SS phono stage I have heard. Are there quieter stages out there? Maybe. Do they sound as good though?
 
The H-3000V I'm using with an XV-1s cart isn't producing any noise at all. I can't hear a difference between the DAC and the phono input with my ear against the tweeter (volume up at normal listening level). Very quiet. Not as low as your cart though.

The Allnic is very quiet. Don't get me wrong. Plenty quiet for any cart .25 mv and up.
 
If the implementation works and it sounds good, fine by me!

Bruce-I don't want you to think for one second I'm knocking Nick's decision to use a SS front end for his tube phono stage-quite the opposite. As anyone who has met Nick knows, he is truly a "No Dogma" guy. Nick will use whatever works and sounds best in a given application and I respect him for that. I probably spent too much time sitting in the Paragon/Doshi room at RMAF 2013 listening to Nick's electronics, but I enjoyed every second which is why I kept coming back. Larry is a great guy. Nick is a great guy. Their room sounded like heaven and when you put the combo together, why would you want to leave in order to hear mainly marginal rooms?
 
That's true Mark. 26db of it's 72db gain is solid state. The amazing part is, it is still quieter than any SS phono stage I have heard. Are there quieter stages out there? Maybe. Do they sound as good though?


Read my response to Bruce. I'm not knocking Nick's choice because I think it is the right choice.
 
another factor hardly considered is speaker sensitivity, for a given reference level with all other things being equal you'll hear more phono 'noise' if your speakers sensitivity is on the low side like me (84db). the guys with alexias at 90db can get away with a noisier phono stage.

the quietest 'stage i've ever tried, bar none, was john curl's vendetta...but its been a while.
 
another factor hardly considered is speaker sensitivity, for a given reference level with all other things being equal you'll hear more phono 'noise' if your speakers sensitivity is on the low side like me (84db). the guys with alexias at 90db can get away with a noisier phono stage.

the quietest 'stage i've ever tried, bar none, was john curl's vendetta...but its been a while.

Good point. I had not really thought about that, but it makes sense. The more gain your system needs the quieter that gain needs to be. My speakers have about 89db sensitivity according to Stereophile.
 
The H-3000V I'm using with an XV-1s cart isn't producing any noise at all. I can't hear a difference between the DAC and the phono input with my ear against the tweeter (volume up at normal listening level). Very quiet. Not as low as your cart though.

Ian I'm not necessarily referring to the noise out of the speaker eg. hiss but the noise in the music eg. transparency. It's the same feeling you get say when putting the better MIT cables in. It's something that's there that the ear can filter out but when it's gone, you all of a sudden pick up.
 
another factor hardly considered is speaker sensitivity, for a given reference level with all other things being equal you'll hear more phono 'noise' if your speakers sensitivity is on the low side like me (84db). the guys with alexias at 90db can get away with a noisier phono stage.

the quietest 'stage i've ever tried, bar none, was john curl's vendetta...but its been a while.

Sorry, I can not understand your point. The sensitivity of the speakers is the same for noise or signal, it will not affect your perception of the phono unit noise, as you will use different positions in the volume control with different speakers.
 
I hope everyone realizes that the Doshi phono stage is a hybrid unit which I think uses FETs on the input side to increase the gain so you can use it with low output MC cartridges. That explains why Nick is getting such low noise out of his phono section. Tubes alone could never pull that off.

same with my TW Acustic tube phono. FET in the front end, keeps it very quiet.
 
If Bruce's phono pre is 3.0 this must be 3.1?

Looks like Nick has updated the chassis again with lcd front and remote control loading.

doshi phono 3.01.jpgdoshi phono 3.02.jpg
 
Yep that is the latest design. The pre-amp and amps have the same design.
 
Yep that is the latest design. The pre-amp and amps have the same design.

Does anyone know the list price of the newer Doshi phono?
 
Contact Larry at Paragon Sight and Sound in Ann Arbor.

Please contact Larry with pricing questions . Also please keep in mind that there are 2 phono stages - the one shown above which has the cosmetics / functionality to match the V3 gear. I also make a unit that has metering and the ability to use the meters in sum and difference mode to help with VTA and azimuth adjustments. I call this the studio unit and it has cosmetics targeted more towards pro use(similar to the tape stage). Those at the Paragon event may recall that we used both types of phono stages at the demo. The Studio unit was in use to demo the stereo and mono playback via the brinkmann spyder table and I demo'd the Transparent phono cable using the V3 remote controlled unit

Some users prefer the remote control features and some like to use the meters. Phono studio Small.jpg
Studio unit shown above
 
Nick, Larry and I are trading emails...will call him in the next few days...I'd like to find a phono stage #1 that betters my Nagra VPS and #2 can be a great match with my Allaerts MC2 Finish (.2mv out put...32ohm internal impedance)...if I picked another cartridge it's likely be the Allaerts Formula...with even lower output...I am a transparent cable user also...Still-One mentioned a special differential cable from Transparent...
 
Nick, Larry and I are trading emails...will call him in the next few days...I'd like to find a phono stage #1 that betters my Nagra VPS and #2 can be a great match with my Allaerts MC2 Finish (.2mv out put...32ohm internal impedance)...if I picked another cartridge it's likely be the Allaerts Formula...with even lower output...I am a transparent cable user also...Still-One mentioned a special differential cable from Transparent...

The Doshi Phono stage should have no problem with the Allaerts cartridges. One of my personal cartridges is the Benz Ebony TR and I do not have any noise issues with noise from a .05mv MC. We demonstrated a Transparent opus phono with a differential network at the Paragon event a few weeks ago. After a few years of patient persuading, Transparent produced a cable with differential network to take full advantage of the differential input in the Doshi Phono and the results were staggering. Please feel free to reach out to Larry and if there any technical specifis, i'll be happy to jump in.
 
I
Please contact Larry with pricing questions . Also please keep in mind that there are 2 phono stages - the one shown above which has the cosmetics / functionality to match the V3 gear. I also make a unit that has metering and the ability to use the meters in sum and difference mode to help with VTA and azimuth adjustments. I call this the studio unit and it has cosmetics targeted more towards pro use(similar to the tape stage). Those at the Paragon event may recall that we used both types
Iof phono stages at the demo. The Studio unit was in use to demo the stereo and mono playback via the brinkmann spyder table and I demo'd the Transparent phono cable using the V3 remote controlled unit

Some users prefer the remote control features and some like to use the meters. View attachment 18244
Studio unit shown above
I need a second pre..perhaps this is the one I need to try. The XP25 will go the way of the XP30 towards XS pre upgrade. That is my all out assault plan.
 
Looks like my dealer is getting the Doshi stack (phono, pre, amp) to consider stocking. I'm very much looking forward to hearing it and possibly demo'ing the phono stage in my home !
 

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