Vintage Asylum

Well audio is ALWAYS full of surprises

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airtime

(A)

You know I've had the big bad ass amps, big buck receivers, hyped up gear, bla bla bla. And just when you think you've seen it all, along comes some little piss ass cheap dirty tube amp to blow you away!!!
Yeah, I plug in this Arkay A 10 B and it stomped my other sytems. Of course again extended listening is needed to pull out the details. But you know the feeling you get when you first turn it on and the one eyebrow goes up.
A buzzillion bucks in audio upstairs and 13 caps, a few resistor and 4 tubes without even an output transformers holds it's own. I'm gonna need audio therapy again.
charles
I guess it never does end!!!
charles

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Re: Well audio is ALWAYS full of surprises - Byrd69 09:42:55 12/31/05 (2)
I pulled a Pioneer SX-650 off the shelf today to prep/check it for a possible buyer. Then grabbed the DLK speakers from the mountain of speakers in the other room. Kinda wondered if they sound as good as I thunked they did before they got stashed amongst all the others.
Suprise....they rock (actually, played some Hungarian rhapsodies). Not harsh, low, tight bass, and nice mids too.
Gotta find a place somewhere for these guys.
Byrd
- Pioneer Sx series - airtime 11:21:23 12/31/05 (1)
  I always had a soft spot for the lower powered SX series from Pioneer. Some of the BETTER sounding SS stuff to come out of the seventies.
  I had the seven fifty and always thought it was one of the finest recievers I've heard. Again speaker matching is everything.
  charles
  - Re: Pioneer Sx series - FRG7SWL 14:19:40 12/31/05 (0)
    Amen to both sentiments, airtime! Back in da 90s, gave me bud Brock a Pioneer SX-450-n-cheap-though-modded Technics speakers as a housewarming gift fer his garage system! Around the same time gave me godkid Leti a Realistic STA-850 receiver with modded Sansui speakers to grace her apartment! Fast forward & Ms. Leti has gone H.T.! So she returns both items in lieu of e-pay! Receiver had fair structural ingetrity, but them Sansuis displayed considerable party damage! Especially the grills! Realistic 850 became part of a vintage housewarmin' X-mas package drivin' JBLs(thanks Marantz Guy)! Them countenance-challenged Sansuis, though, replaced them blown Technics this yule & sound like a proverbial slice of harmonic heaven powered by that SX-450! Symmetry, airime, to paraphrase Brock, "is a beautiful thing"!!!
Wanna take it to the next level - Russ57 09:04:22 12/31/05 (5)
Try this schematic. It will be a straight power amp but you have a nice preamp. It is what I am listening to at the moment. All of about 2.5 watts. I haven't even turned the Dynaco on since building it....matter of fact I even loaned it to a friend. I use 6cg7's instead of 6sn7 but use whatever works for your sockets. Between no global feedback and the triode strapped 6V6's it is something you must hear to appreciate. Of course I have made improvments but as drawn it is very nice sounding.

Russ
- I need a little project like that - airtime 10:32:34 12/31/05 (4)
  I was actually thinking of building a second Grommes from parts. I have the schematic, prototype so why not. The plans above look great but the trannies aren't cheap.
  The grommes uses ONE cheap tranny. Besides I wonder what this thing would sound like cleaned up. I don't want to start taking it apart being it was kit built and modified.
  I wonder if Arkay as some building instructions somewhere?
  charles
  - Dude... - Russ57 13:51:25 12/31/05 (0)
    those hammond transformers are cheap. I used a donor magnavox which ebay will provide for under a 100 bucks. If you are lucky you will get a very nice power supply transformer, a suitable choke, and four nice 6V6's out of the deal. The original output transformers may be used (I probably have a pair I could send you) or you can upgrade to the Hammonds for very little (silk is even better and not too much more). Parts quality need not be top notch. Rat shack resistors and orange drop caps will suffice. Don't get hung up on the part numbers, it's the concept that matters. For example you are looking for a B+ around 300VDC. A normal 120 by 240 power transformer with a bridge rectifier and a CRCRC filter will do the trick cheap (ideally with motor run caps scrounged from discarded AC units).
    Rest assured in your amp there is an output transformer. I could not view the schematic in the file format you sent it. If you can convert it to a jpeg, gif, or bmp I can look at it.
    
    Russ
  - Re: I need a little project like that - Bold Eagle 11:25:39 12/31/05 (2)
    Isn't that a second transformer under the chassis? The output transformer, I thought from the pictures.
    Jerry
    - Re: I need a little project like that - airtime 12:51:03 12/31/05 (1)
      No that's a choke going to the speakers. No voltage going in that I know of. If you want I can email a schematic.
      charles
      - Re: I need a little project like that - Bold Eagle 21:18:35 12/31/05 (0)
        
        In Reply to: Re: I need a little project like that posted by airtime on December 31, 2005 at 12:51:03:
        
        Charles,
        Yes, I'd really be interested in seeing that. Thanks for the offer.
        Happy 2006!
        Jerry

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