Cool Tal, thanks.

I like that it is two separate switches for impedance/each channel and in the back. Of course the one on the front is the source one or two switch.

The UFO2 allows three things:
Room to add Balanced Inputs
Have a wood base
Meters to see the quality of your tubes and clipping for the eye besides your ears.

It is way more Purdy I tell ya... Than the Spartan one. 😜😜

There is no bias switch on the UFO2. I don't see one on the monos either.

If you want the bias switch, you have to get the UFO.

I went for the new mono amps. Upgrades and everything. A little bit ambivalent when read about bridged select amps. Just about the same price if I went that direction. How does bridging affect sound characteristics?

Anyone know why the Chicken Head Knobs are not compatible with the Stepped Attenuator on the UFO2 but are compatible with the Stepped Attenuator on the UFO model ????

Quote:


Great info!  So, the bias switch might like to live in the forward position which, as I understand, would give more "forward" sound.  I think Raven said the new UFO3 monos did not have the switch but seemed to be voiced more towards the back position or "laid back" sound.  I'd guess that the UFO2 is voiced for the forward position?

Stone, the SE84UFO manual says that it has BOTH the bias and impedance switches.  I trust Steve in his choices but I was thrown a bit by the Decfest evaluation of the monos that said they sounded too laid back compared with the UFO (I think).  At this point I too favor the UFO2 due to it's meters and slick look.  

There is a lot to be said for flexibility.  Back to the SE84UFO!

Stone, did you order the Rachael?  How'd you configure it?  I noticed that the Sans Tube option also waives the 30 day trial.  

I also have Kimber 8TC clear jacket, Hero IC, KCAG and Kimber Timbre, if the Omega's can't handle the resolution of timbre and high and low frequency resolution of my reference Kimber Ag 1030 IC and/or KS6063 speaker cable.

You bet Dave. However, it will be about a year from now if I possibly sell it. I figure it will be 4 to 7 months until the release of Steve's Omega and another 3 months to get. But, I might get a pair from Louis/Omega before that. Or, if I'm digging the Rach' with my modified Adagio's which it/Rach, can easily drive (my little Zens could). I'm then, set with both of my Decware Amps and my Adagio's.

I'm fine with Jupiter's she is coming with....they will open up nicely with my NOS Platinum 6922 tube types + some choice EL34's for the Hazin and 6550's non Hazin.

Drum roll please: All about the UFO Transformers too!  ..... Need to season in.

Pal, have you tried different output tubes? Thoughts on those?

Stone, its been so long since I rolled anything in Rachael, I am not sure I know what is in there!  

I am pretty sure they are JJ cryo'd EL 34s.  I recall liking them better than the Tung Sol, but not sure why.  I have tried TAD KT77s which came with the amp, but found them muddy, underpowered and they didn't image as well (perhaps due to not enabling the Hazen mod).

Historically, I feel I get the most out of rolling input tubes.

I have rolled rectifiers.  I ended up with a cryo'd 274B that Steve includes as standard issue.  I found it more dynamic than others I have tried - most notably NOS RCA 5U4G (both smooth and ripple plates).  I also tried the GZ34 that came with the amp but didn't like it.  Don't remember why.

Now that I am listening to Rachael full time, I should start to roll again.

MUST.  FINISH. DIFFUSERS.

I am off starting the 17th so we should have time for a CDApS meeting.

We need to recruite some new members.

Stone,

Yesterday for fun I tossed in the TAD cyo'd GZ34.  Sounded more open.  Interesting.

Quote:


I have Aaron on Facebook - who else is in our area that we need to reach out to?

Quote:


For the most part I agree with this, but not 100%. With the ZMA especially the input tubes make more of a difference, but I'm not so sure with the Rachel. I think she's happier with Hazen enabled tubes.

Man, wish I lived closer to you guys. Maybe, next Spring or Summer, I will road trip it for a visit.


Quote from stone:
Pal, it is all about rolling input tubes. Don't let anyone say differently. I'm looking forward to rolling in my Rachael as I do in my ZMA.

Quote from LR:
For the most part I agree with this, but not 100%. With the ZMA especially the input tubes make more of a difference, but I'm not so sure with the Rachel. I think she's happier with Hazen enabled tubes.



The jury is out on the Rachael for input tubes ~ agreed. But, if they don't make the same impact as they do in my ZMA? = keeps them solely for the ZMA.

The Rach' for me:

Steve's UFO Transformer's
Steve's pentodes in triode back in the house
Hazen Grid/EL34 and non Hazen/6550 (for example) comparison as well
Roll Rectifier's too
Dual Volume Controls
Fun comparison to my ZMA.

If it happen's to love NOS Platinum input tube rolling? = added BONUS.

Vaughn Audio Carina in the house since Thursday. Nice Amp. I'm enjoying it in Ultralinear Mode @ 3.2 watts per channel this morning and my Ediswan 6922 as input tube with JJ EL84's + JJ GZ34. Establishing a baseline with her....before further tube rolling. The Carina also does 1.5/ch in Triode....very, very nice.

Do we still have access to the build sheet Que? I looked on the Contact page where access once was. I did not see?

I was going to cancel my UFO Rachael. However, I need to hear the Rach' beauty at 5.8 Triode output per channel and tube rolling my 6922 tube types + Steve's new UFO transformer's.

For me, the ZMA Reigns supreme. However, to have the Carina/EL84 Triode & UL based and the Rachael coming EL34 Triode based.....allows me points of reference I do/will much enjoy.










Listening Room:


Room Treatments from Michael Green & Home Brew

Sony as Transport (DVP-NS57P)

Illuminati D-60 Digital Coax IC

Shunyata Research Zitron Alpha Digital Power Cord to ZDSD
{Extremely Significant}

Decware ZDSD DAC / Recorder ++
***************************************************************
W/Steve's Output Transformer's/kicking to the curb quite a few superb DAC'S!
***************************************************************
(@ -20 Ref Level, 0.0 Input volume and @ 16/192)


WBT-0102Ag RCA Kimber Select KS1030


Decware Zen Mystery Amplifier
~BIASED at *60* mA~
(NOS/Platinum/Mullard E188CC/7308's in my A12 an B12 Input positions Cryogenic~NOS/Platinum/Telefunken E88CC for Inverter Tubes~NOS RCA 0A3's & matched Quad/Tung-Sol KT66's)
ZMA adjusted at 20% to 30-40% max ~ from 0 Gain

Eddie Vaughn Carina Triode & UL


***************************************************
Kimber Select KS6063 Speaker Cable 8ft WBT-0681-Ag Spades
***************************************************


Acoustic Zen Adagio - Black Pearl (Modified)
.....from 8ohm Taps.






Acoustic Zen Adagio's x-over's Modified/Full Range with Mundorf MCap Supremes-single Cap to each Tweeter/4.5k cross
(Gutted: 3kHz/18dB/Octave, Linkwitz/Riley Crossovers....with all crappy parts = gone)


XLO Pro Power Cord to ZMA
PS Audio P3 Power Plant / Pangea AC-9SE from wall to P3
(Transport and ZDSD, Regenerated/*120*~ Multiwave off...ZMA on High Current Output)

++ ZDSD DAC, kicked to the Curb: Auralic Vega, PS Audio PWT & PWD, PS Audio Direct Stream DAC, Chord Qute, NAD M51 (twice) & Schiit Yggdrasil.


~NOS Platinum Tubes from Upscale Audio/Kevin:

(Great Britain) Mullard 7308/E188CC ~  2 pair (both pair Cryogenic)
(Germany) Telefunken E88CC ~ 1 pair
(US/Great Britain) Ediswan CV2492/6922 ~ 2 pair (one pair Cryogenic)
(Hungary) Tungsram 6922/E88CC ~ 1 pair
(Hungary) Tungsram PCC88/7DJ8 ~ 1 pair.

From Cryoset:
(Russia) 6N23N/P-EB ~ 2 pair

(Russia) 6N23P's ~ 2 pair/came with ZMA.

Here you go Larry:

https://creatorexport.zoho.com/decwarehighfidelity/decware/pdf/Amplifier_Waiting...
_List/hAqfNhyE7rNXQFUDfyb7Y8G8r0RRrP82DMY814hPnsknzr8711vTq3QU2gaK0CVOwv4Kdps4kP
sAeNCtpP8sawfYKv3E46OMpk6T

Thanks for the Link Lon. However, it is giving me this message:
"There is no such view in Zoho Creator". .....with no connection.

I will check back later tonight.....off to work I go....because I owe, I owe........ .

https://creatorexport.zoho.com/decwarehighfidelity/decware/pdf/Amplifier_Waiting...
_List/hAqfNhyE7rNXQFUDfyb7Y8G8r0RRrP82DMY814hPnsknzr8711vTq3QU2gaK0CVOwv4Kdps4kP
sAeNCtpP8sawfYKv3E46OMpk6T

Hmmmm. . . don't know why I can paste the link from the email I have and it works, but posting the link here doesn't! I assure you that it works. . . .Your order is still reading "NEW". . . .