Author Topic: E.A.R. Yoshino V20 Integrated Amplifier  (Read 8705 times)

Offline Magnaryder

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E.A.R. Yoshino V20 Integrated Amplifier
« on: March 12, 2014, 07:10:58 PM »







Description:

Class-A, push-pull, enhanced triode, self-biasing vacuum-tube integrated amplifier. Tube complement: thirteen 12AX7 and two 12AU7 per channel. Six line inputs, one tape output. Output power: 24Wpc into 4, 8, and 16 ohms (10.8, 13.8, 16.8dBW, respectively). Frequency range: 12Hz-80kHz. THD: 0.5%. Signal/Noise Ratio: 90dB (A-weighted).
Dimensions: 16½" W by 53/8" H by 173/8" D. Weight: 62 lbs.

Asociated Equipment:

Ariston RD-40, Linn Basik LSV Tonearn, Shure V15 type IIIG Cartridge, Cardas Silver wire service to Cardas wire block, Sunfire VTCC(used as source selector only) heavily modded CarverFest 20 watt EL84 Amplifier, Tascam CCC-222MKII, Carver Amazing Loudspeakers Silver Edition, Alesis Monitor One and Dahlquist DQ-8 Loudspeakers, CarverAudio and MIT Interconnects, Monster and Audio Note AN-9 hand drawn silver loudspeaker cables.

PSVane 12AX7 and 12AU7 tubes, RCA cleartop 12AU7s, Lindal 12AX7 Blue/Green dot Blackplates

Room: 24 11/2 ft long 18ft wide (non-parallel side and front walls) 7 1/2 foot ceiling. No acoustic treatments

Considerations:

During the waining days of CF'13 James Sauter and I were having a conversation about tube amp construction and chassis/component interaction. James made the comment that if he were designing the amp the chassis would have an organic look to it. That conversation has stuck with me and when my beloved Lightstar gear was damaged those remarks lead my search for the gear that will replace Lightstar. Lightstar, being the pinnacle of Carver SS gear will be damn near impossible to replace. Until now it has been my reference when I listen. Very little comes even close, I can count on one hand the amplifiers I've heard that sound better....to me.

I found the V20 on the GoN and immediately fell in love with it. I did my research and talked with 3 current owners of the E.A.R. amplifier. Each one of them had nothing but great things to say about it. I made contact with the owner and struck a deal. It had been in auction but the winner backed out and I was able to strike a great deal. Not only do I get the amp with it's current tube compleement of PSvane tubes but the Telefunken and Mullard tube set Robin was running in it prior to his PSvane purchase. Too cool!

Listening Observations:

Ariston RD-40 TT:

At first blush the V20 makes a huge impression. The soundstage is very deep and the imaging is nothing short of amazing. Yesterday I was talking with Ton Reitz and he was curious how broad I perceived the soundstage to be. I hadn't really spent enough time with an ear on the E.A.R. to know. I put FleetwoodMac's 'Rumours' on the Ariston and took it for a spin. Mick's drum kit seemed 5ft wide, WOW!! I could place each instrument and all of the voices in space, some elements of the band extended beyond the speakers then seemed crowded on the edge(read conclusion). I rolled INXS 'Kick', THEFIRM on next and continued to be shocked how good it sounded. I don't think my rig has ever sounded this good. I rolled in some RCA cleartop 12AU7s in and didn't notice but a little sharpening of the imaging. I put Emerson, Lake and Palmer's 'Pictures at an Exhibition on next. This is an original release LP and I was shocked how much each LP weighs. They're heavier than even my 220gm LPs..wow! This is 70s live music but the recording holds up. Bass was tight, not muddy and you can hear the acoustics of the space where it was recorded. Next on was Coltrane at Birdland. freeking amazing. My appreciation of my father's collection is going up as I speand time listening to it. I inherited my Dads' record collection when he passed. It contains the likes of Train, Charley Parker, Lannie Kazan, Nancy Wilson, Miles Davis and others from that era.

I have a copy of Bostons 'Walk On', Tom Sholtz is very proud of this LP. All analogue, start to finish. EAR RTRs to a deParavicini cutting machine too cool. This recording is off the hook good. What analogue recording does for LPs isn't apparent any better than here on this LP. I absolutely adore Carly Simon's' 'Anticipation' LP, she's one of my favorite artists. Guess it doesn't hurt she downright gorgeous either. The acoustics on this album are fantastic. The LP sounds like she's in the room with you. Jeez!!

Tascam CC-222MKII:

I like to use my copy of Dian Shuur and Count Basie as one of my CD listening references. It is a very intimate recording. You can hear foot-tapping, amanda tapping, ice clinking in glasses and such. BET used to play clips from this session everyone looked like they were having a great time listening to a great voice. She did the Carson show periodically. Johnny really liked having her on. HE would walk over and help her to her seat. What's that tell you about what HE thought of the voice? On this recording you can plainly hear not only fingers running up and down on the upright bass but also finger tapping on the hollow body of the bass. Incredible!!

Sherry and I were playing Mark's CF'08 disc when she stopped me and asked to play track 6 over.Track 6 is a Jimmy Buffet cut called Banana Republics. She pointed some things in the recording she hadn't heard before. Sure enough, I hadn't either. They were right out in front. Track 3 on the CF'13 sampler is a Willie Nelson song 'Nobody's Fault but Mine'. The V20 let's me hear the soundscape of the room as well as the nuances surrounding each note of the plucking guitar.

Conclusions...for now:

The V20 is an amazing piece of audio equipment. Clearly it isn't for everyone. I priced the PSVane tube set that came with it and at almost $100 per PAIR of tubes a re-tube is VERY costly at $1500. The technology required to use 12AX7s as power tubes was a re-think of tube conventions. That said, the music come from a background that doesn't exist, I mean it's not black it isn't even there. I can hear further into a recording further than I've ever been able to hear before. The imaging and soundstaging are unlike anything I've heard anywhere, but I think my room is crushing the width of the image or maybe I'm expecting too much.

I'm going to play with speaker placement, moving them along the long wall in my livingroom hoping that extends the image even further.
Last edited by Magnaryder on Sat Mar 01, 2014 8:09 pm, edited 1 time in total.
Magnaryder

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Sunfire Tube Pre, Lightstar Reference 2.0 amplifier, Tim deParavicini's E.A.R. Yoshino V20 Integrated Amplifier,No. 50 and 51 Carverfest Tube amps, Hammond M3 tube amp, Carver TX-8 & 11 tuners, Carver TD-12 & 1700 decks, Tascam CC-222mkII CD recorder, Carver C-9 & ECS-U, Carver DPL-33, Carver HR-742 reciever, DBX-3BX & 200xg & 120x, Modded Klipsch Forte Loudspeakers(Obbligato Gold Caps, Mills Resistors) Carver ALV prototypes, Alesis Studio One loudspeakers, Dahlquist DQ-8s, The Carver Research DarkStar Sub.

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Magnaryder-EAR Yoshino V20 Integrated amplifier, Fosgate Signature Phono pre, Rega P3TT,SME 3009 arm, Grado Statement Master1 cart, 2018 CarverFest 275 Amplifiers, CarverFest 2011 EL84 amplifiers Nos 50/51 Stax Earspeakers, Spatial Audio M3 OB loudspeakers and the Carver Research DarkStar sub.

Offline Magnaryder

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Re: E.A.R. Yoshino V20 Integrated Amplifier
« Reply #1 on: March 12, 2014, 07:21:12 PM »
Today, actually this afternoon, the tubes promised by the V20s PO arrived.

The count is:
 [-X (NOT FOR SALE) [-X
4ea-Mullard 12AU7s
3ea-Telefunken 12AX7s
23ea-EI 12AX7s
15 pretty little Psvane tube boxes
Not a bad haul. Who sells white tube boxes? I saw them somewhere on the 'net. Reckon I'll look around a bit this evening.

This give me more rolling options. I'm 'still' waiting on any response from the owner of the Fosgate phono pre. Shit, this will suck! The V20 currently resides on the top shelf of my newly constructed audio rack. It took every bit of my meager carpentry skills to build this thing. It wasn't built with the EAR in mind. This amp needs to be shown off, if I place it anywhere else on the rack it will disappear and I can't have that!

I've been listening more this week and I'm glad I did since I now don't know when the next time i'll get a chance to listen again. My company has taken on 4 new clients I have to start to provide services to and I need to find them housing and staff. Not to mention our newspaper ad goes in this weekend.... a week late. I'm beyond screwed.

Back to my listening impressions, I find that I can hear further into the recordings than I've been able to before. I think all of the little tubes might resolve those inner details, 'air', soundfield and imaging better. What I need now are:

https://app.audiogon.com/listings/planars-quad-esl-57-2014-03-12-speakers-07310-jersey-city-nj

Stay tuned..same bat time/ same bat channel

ray
Magnaryder

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Magnaryder-EAR Yoshino V20 Integrated amplifier, Fosgate Signature Phono pre, Rega P3TT,SME 3009 arm, Grado Statement Master1 cart, 2018 CarverFest 275 Amplifiers, CarverFest 2011 EL84 amplifiers Nos 50/51 Stax Earspeakers, Spatial Audio M3 OB loudspeakers and the Carver Research DarkStar sub.

Offline schwarcw

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Re: E.A.R. Yoshino V20 Integrated Amplifier
« Reply #2 on: March 12, 2014, 07:48:46 PM »
Nice write up!  A very interesting piece of equipment.  It seems sort of off the wall in some ways.  But, if it sounds great that's all that matters.  I've had my eye on their phono preamps and SUTs.  Thanks for sharing your listening experience with this unit.
Carl

Offline F1nut

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Re: E.A.R. Yoshino V20 Integrated Amplifier
« Reply #3 on: March 13, 2014, 02:23:33 AM »
I love it, unique design and killer looks.....Congrats!
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Offline RuralTom

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Re: E.A.R. Yoshino V20 Integrated Amplifier
« Reply #4 on: March 13, 2014, 08:39:00 AM »
 Wowza.... looks awesome, I imagine it sounds great!

Does that beast really take 26 12AX7s! Holy Crap!
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Offline Reverend

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Re: E.A.R. Yoshino V20 Integrated Amplifier
« Reply #5 on: March 13, 2014, 09:04:08 AM »
Awesome write up Ray, that is a killer amp.  I think Tom had an E.A.R. pre at the shop that was triangle shaped.

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Re: E.A.R. Yoshino V20 Integrated Amplifier
« Reply #6 on: March 13, 2014, 01:29:34 PM »
That's a striking example of art fused with engineering. What a gorgeous piece!

Excellent write up. Thank you for taking the time to get down and dirty. :)

Enjoy it in the best of times!

Offline Magnaryder

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Re: E.A.R. Yoshino V20 Integrated Amplifier
« Reply #7 on: March 13, 2014, 03:31:46 PM »
Thanks for the replies guys!! This thing kicks serious ass! I can see further into a recording with this amp in the loop than I could before. I don't know if it's my leaning curve but I think this is an incredible piece of gear! The soundscape is nothing short of stunning.

ray
Magnaryder-EAR Yoshino V20 Integrated amplifier, Fosgate Signature Phono pre, Rega P3TT,SME 3009 arm, Grado Statement Master1 cart, 2018 CarverFest 275 Amplifiers, CarverFest 2011 EL84 amplifiers Nos 50/51 Stax Earspeakers, Spatial Audio M3 OB loudspeakers and the Carver Research DarkStar sub.

Offline Magnaryder

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Re: E.A.R. Yoshino V20 Integrated Amplifier
« Reply #8 on: March 13, 2014, 11:36:18 PM »
Wowza.... looks awesome, I imagine it sounds great!

Does that beast really take 26 12AX7s! Holy Crap!

Yes it does, and 4 12AU7s. Robin(the PO) did a Psvane re-tube at $100 a pair. When it first appeared the reviewers claimed a re-tube would be 'cheap', I wanna know what they were smoking 8) Sheesh. Today I tried to buy a Fosgate Signature phono pre to no avail. Then I bid on a Tubes4hifi PH-16, no joy on it either. I don't know what these guys were up to but DAMN!!!! I seemed like they were conspiring against me...f**kers!! I found another Fosgate on Canuckaudiomart. Made the guy an offer...we'll see.

ray
Magnaryder-EAR Yoshino V20 Integrated amplifier, Fosgate Signature Phono pre, Rega P3TT,SME 3009 arm, Grado Statement Master1 cart, 2018 CarverFest 275 Amplifiers, CarverFest 2011 EL84 amplifiers Nos 50/51 Stax Earspeakers, Spatial Audio M3 OB loudspeakers and the Carver Research DarkStar sub.

Offline Magnaryder

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Re: E.A.R. Yoshino V20 Integrated Amplifier
« Reply #9 on: March 15, 2014, 05:34:32 PM »
Sealed the deal on the Fosgate Signature!!! Can't wait to get it here.

ray
Magnaryder-EAR Yoshino V20 Integrated amplifier, Fosgate Signature Phono pre, Rega P3TT,SME 3009 arm, Grado Statement Master1 cart, 2018 CarverFest 275 Amplifiers, CarverFest 2011 EL84 amplifiers Nos 50/51 Stax Earspeakers, Spatial Audio M3 OB loudspeakers and the Carver Research DarkStar sub.

Offline Magnaryder

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Re: E.A.R. Yoshino V20 Integrated Amplifier
« Reply #10 on: March 19, 2014, 12:36:35 AM »
Tonight I (finally) finished the deal on a very nice Fosgate Signature Phono pre. I made what I think is a good deal, we'll see when it gets here from the 'Great White North', but I did notice it was packed very well. I have some tubes to roll into it when it arrives, but I need a set of Telefunken 12AT7s to mate with the Telefunken 12AX7s and my DPS (EI) deParavicini 7DJ8s I plan to run in it. So...my next voyage is into the realm of phono carts. Research on the Fosgate has shown it requires a bit of output from the phono cart to give its' best. More seems to be best in this case, at least 0.8mv. Bearing that in mind, I've been eyeing some HO MC&MM cartridges specifically the Benz Micro Glider and some of Soundsmith's offerings. I've heard nothing but glowing reviews of them. We'll see how the Shure type III G does with the new pre. I've also been reading on TT and cartridge setup

Good read here:

http://www.theabsolutesound.com/articles/setting-up-a-phono-cartridge/

ray
Magnaryder-EAR Yoshino V20 Integrated amplifier, Fosgate Signature Phono pre, Rega P3TT,SME 3009 arm, Grado Statement Master1 cart, 2018 CarverFest 275 Amplifiers, CarverFest 2011 EL84 amplifiers Nos 50/51 Stax Earspeakers, Spatial Audio M3 OB loudspeakers and the Carver Research DarkStar sub.

Offline Magnaryder

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Re: E.A.R. Yoshino V20 Integrated Amplifier
« Reply #11 on: March 19, 2014, 12:40:21 AM »
a little audio porn

Magnaryder-EAR Yoshino V20 Integrated amplifier, Fosgate Signature Phono pre, Rega P3TT,SME 3009 arm, Grado Statement Master1 cart, 2018 CarverFest 275 Amplifiers, CarverFest 2011 EL84 amplifiers Nos 50/51 Stax Earspeakers, Spatial Audio M3 OB loudspeakers and the Carver Research DarkStar sub.

Offline schwarcw

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Re: E.A.R. Yoshino V20 Integrated Amplifier
« Reply #12 on: March 19, 2014, 11:19:24 PM »
Very nice phono preamp porn!!

I'll be looking forward to your review and impressions after you've had your ears on it for a while.
Carl

Offline F1nut

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Re: E.A.R. Yoshino V20 Integrated Amplifier
« Reply #13 on: March 20, 2014, 02:15:53 AM »
That's another killer looking piece, Ray.
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Offline Magnaryder

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Re: E.A.R. Yoshino V20 Integrated Amplifier
« Reply #14 on: March 20, 2014, 09:49:33 AM »
That's another killer looking piece, Ray.

Thanks guys!! It should be here in a couple of days. I hope it sounds as good as it looks. It is my understanding that the Fosgate is very dependent upon input voltage from the cartridge being high enough and sensitive to it also being too high also. I'll wager some tube rolling will keep gain issues under control.   
Magnaryder-EAR Yoshino V20 Integrated amplifier, Fosgate Signature Phono pre, Rega P3TT,SME 3009 arm, Grado Statement Master1 cart, 2018 CarverFest 275 Amplifiers, CarverFest 2011 EL84 amplifiers Nos 50/51 Stax Earspeakers, Spatial Audio M3 OB loudspeakers and the Carver Research DarkStar sub.