Inexpensive Audio Note UK OTO phono SE integrated amplifier, sounds great right out of box

Discussion in 'Audio Hardware' started by Steve Hoffman, Aug 31, 2014.

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  1. Steve Hoffman

    Steve Hoffman Your host Your Host Thread Starter

    Location:
    Los Angeles
    OTO one.jpg Playing with a new Audio Note UK OTO Phono single ended EL-84 10 watts a channel integrated amplifier.

    Going into my AN/E-SPe speakers it sounds great right out of the box. The amp is new and the speakers are new, could only get better.

    With a little NOS tube swapping this inexpensive tube integrated might outshine some big players! Found the above pic of the OTO on the internet.

    The OTO has this tube complement: 1 x ECC82 (12AU7), 1 x ECC83 (12AX7), 1 x 6922/6DJ8 (phono section), 1 x ECC83 (phono section), 4 x EL84 (6BQ5).

    A tube swapper's paradise.

    The 3-D midrange capture of this system (speakers and amp right out of the box, no break in) shows what the little EL-84 can do. After all, it made the Beatles' Vox amps sing!
     
  2. Gary

    Gary Nauga Gort! Staff

    Location:
    Toronto
    Very cool!

    Although I have the wrong speakers (need much more than 10 watts) I really need to upgrade the upstairs stereo!
     
  3. raferx

    raferx Forum Resident

    Location:
    Vancouver, Canada
    Wow!

    Beautiful.

    I spoke with Martin Grennall at AN UK last week or so, and he told me that Audio Note had gone to four-knob fascias on all new Oto and Soro models.

    It just looks gorgeous in gloss black.

    If you got the Oto Phono SE than we will both be listening to the same amp very soon.
    My AN UK Oto Line SE (exactly the same, minus the built-in phono stage) is supposed to be with me soon. I hope.

    Audio Note builds to order, and it's been three months since I put my order in. I was told an AN shipment was due within two weeks at my dealer: fingers crossed.

    I'll be running mine into Harbeth M30.1s, but I must admit that I keep wondering what the AN/E-SPe/He would sound like with it.

    Looking forward to pictures of this set-up Steve and hearing your impressions. Will you let the Oto run-in before tube rolling?

    Cheers man!
     
  4. Gasman1003

    Gasman1003 Forum Diplomat.

    Location:
    Liverpool, England
    Very nice, if my beloved Mission Cyrus II ever expires, that will on the shortlist.
     
  5. Steve Hoffman

    Steve Hoffman Your host Your Host Thread Starter

    Location:
    Los Angeles
    Do you think 10 watts is enough to power the Harbeth 30s? I mean, enough dynamic drive?

    I'm not going to do any tube rolling with this unless AN wants me to. It sounds pretty great just like this but I would like to fiddle a bit with tube changes. Not for a while though..
     
  6. raferx

    raferx Forum Resident

    Location:
    Vancouver, Canada
    First, everybody is different.
    But I did a straight head-to-head demo between a 30W Sugden A21SE (a beautiful amp) and the Oto SE into Harbeth M30.1s at my dealer and the Oto made the Harbeths stomp.
    Plenty of bass weight, dynamic swing, not to mention superior timbral and tonal accuracy and a far larger/deeper/taller sound stage than the Sugden could muster.
    The Harbeth's seem to present a fairly easy load and I think that's why the combo works so well.
    I had two people with me that I consider to have excellent ears and both were in firm agreement that the Oto's 10 watts was something special indeed.
    I don't listen to hard rock or much big classical, my collection is 90% jazz, with some blues, folk, light-rock, R&B and some classical trios and quartets, so YMMV, but I demoed a lot of amps before deciding on the Oto.
    I also want to add that in a head-to-head with a Lavardin IS Reference against the Sugden with the M30.1s, the Sugden was clearly superior (IMHO), so to me anyway, the Oto bettered both the Lavardin and the Sugden; two very highly-rated integrated amps.
     
    bhazen and Steve Hoffman like this.
  7. blakep

    blakep Senior Member

    Inexpensive is a relative term I suppose. At $4,600 U.S. it might be inexpensive for Audio Note I guess.

    Might be considered "budget" Audio Note.

    Not to be a stick in the mud (and the retail price on my system is in the $12K zone) but $4,600 for a 10 watt per channel integrated does not strike me as inexpensive. I would hope and expect it to sound very good at that price and I'm sure it does.
     
  8. Steve Hoffman

    Steve Hoffman Your host Your Host Thread Starter

    Location:
    Los Angeles
    Been playing with the OTO today. It's "heavier" sounding than the usual 9 watt 300B single ended amps. More punch, more of what I think Class A should sound like. It has (with the stock tubes) an over-the-top midrange capture that is really neat, makes everything sound very realistic. It for sure sounds like more than 10 watts.
     
    kevinsinnott and raferx like this.
  9. pscreed

    pscreed Upstanding Member

    Location:
    Land of the Free
    Steve I really enjoy when you weigh in on consumer audio like this, regardless of price point. It's neat to get your viewpoint on this stuff... these are always interesting threads.
     
    CrazyCatz likes this.
  10. raferx

    raferx Forum Resident

    Location:
    Vancouver, Canada
    Yes, "heavier" is a good adjective, I'd even say "meatier" than the other stuff I was demoing to at the time.
    I too, found it very punchy. After listening to several cuts off varying LPs on the Oto, I was almost afraid to switch over to the Sugden because I knew what weight the A21SE was capable of throwing around, especially on percussion, but I could hardly believe my ears at how small and thin the big Class-A Sugden sounded in comparison.
    I knew then that it was the Oto for me.
     
  11. Steve Hoffman

    Steve Hoffman Your host Your Host Thread Starter

    Location:
    Los Angeles
    Did you notice how silky smooth the volume knob is? Really, this is enjoyable, I'm pulling out all my favorite vinyl and CDs. Always a good sign for me.

    Glad to recommend a component that (most) people can afford as their "last" purchase before happiness sets in.
     
  12. vinylkid58

    vinylkid58 Forum Resident

    Location:
    Victoria, B.C.
    Probably just an Alps Blue Velvet. A decent inexpensive attenuator used my many.

    jeff
     
  13. jupiterboy

    jupiterboy Forum Residue

    Location:
    Buffalo, NY
    How does this compare to the vintage Fisher integrated amps? Love to hear some opinions.
     
    robargebl likes this.
  14. tomd

    tomd Senior Member

    Location:
    Brighton,Colorado
    I doesn't have another set of preamp output jacks does it? I t would be great to use on biwireable speakers as you could run the highs/mids with it and Biamp with let's say a class D amp.I would'nt mind replacing my tube phono preamp,my tube line preamp and my single ended 8 watt El34 integrated amp with it if I could Biamp it with my class d amp for my subs In my Von Schweikert VR4 jr mrk 3 speakers.
     
  15. Art K

    Art K Retired but not tired!

    Location:
    Corvallis, Oregon
    This sounds like a great piece. Wish I could hear one. Don't think there is a dealer nearby.
     
  16. Mortsnets

    Mortsnets Forum Resident

  17. Art K

    Art K Retired but not tired!

    Location:
    Corvallis, Oregon
  18. gregr

    gregr Forum Resident

    Location:
    MA
    Possibly, but not in my OTO SE Line Signature. It's an Audio Note POT. I think they make a lot of their own parts.
     
    jupiterboy likes this.
  19. Metralla

    Metralla Joined Jan 13, 2002

    Location:
    San Jose, CA
    Thanks for your report. I'd like to know a bit more about the AN/E-SPe speakers you are pairing this with. What are the room dimensions and how have you located the speakers?
     
    norman_frappe likes this.
  20. Tyler Eaves

    Tyler Eaves Forum Resident

    Location:
    Greenville, NC
    How do you know? There are very very few manufacturers of actual electrical components. Brand name on the part means zilch.
     
  21. gregr

    gregr Forum Resident

    Location:
    MA
    I don't know. I think. Certainly, from the marketing that's out there, they've been careful about their parts for some time. I saw an interview recently about their efforts to improve the Black Gate capacitors...carbon all over the manufacturing plant, etc....It could all be a scam, I guess, but I bought it because it sounded great. Whoever is making the parts is doing a fine job. (Well, in sound quality anyway, in my opinion. I must say that my volume knob failed after 4-5000 hours. It was replaced under warranty, and sounds great again, but still....)
     
  22. Steve Hoffman

    Steve Hoffman Your host Your Host Thread Starter

    Location:
    Los Angeles
    You mean me? Same as ever with AN speakers. Farther apart than normal, reinforced back to duplicate room corner, as in this shot from a few months ago..
    June2014 693.jpg
     
  23. jupiterboy

    jupiterboy Forum Residue

    Location:
    Buffalo, NY
    What are you using to create the corner reinforcement? Acoustic panels?
     
  24. raferx

    raferx Forum Resident

    Location:
    Vancouver, Canada
    Love this shot man.
     
  25. raferx

    raferx Forum Resident

    Location:
    Vancouver, Canada
    Yes I did.
    I giggled at the time.
    Also, the feel of each of the other knob's rotation was incredibly solid. The whole fit and finish of the amp was something to truly appreciate just for the craftsmanship, never mind the fact that it's practically a musical instrument in its own right.
     
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