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Space Tech Lab Super Tube Rectifier Arrived! (Read 15091 times)
Hearafter
Senior Member
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“In Tubes We Trust”

Posts: 85
Re: Space Tech Lab Super Tube Rectifier Arrived!
Reply #250 - 06/29/24 at 00:09:29
 
Bloodlemons-  Great info even for a STR-104er.  Interesting you like the smaller tubes that can be used in the STR-104.  You got me very curious how the STR-1002 compares in SQ to the STR-104 using the same set of tubes.  I still keep wondering if I made a mistake and should have purchased the 1002 even though I am extremely happy with my 104.  Maybe you could compare them using the same 5v tubes when the 104 arrives if it's not  too much of a hassle.

The 866a are my favorites paired with other tubes  or together but I do like running  2-3B28’s in an adapter with 1 300b.

Other combo’s that I like are: 1 Type 83 and 1 300b, 2-3B22 and 1 type 83, 2-3B22 and 1 300b, 2- 3B22 (stock set)

I haven’t really found that any of my regular 5 volt rectifiers sound  as good as the above combos. I seem to prefer the Mercury and Xeon gas tubes and 300b so far.  Time will tell with more hours of use.  Fun tinker toy!

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Torii Jr V2 w/ Copper Bypass
Space-Tech Lab STR-104 Super Rectifier
Supratek Cabernet Pre
Lab 12 DAC1 Reference
Bricasti M5 Network Streamer
Ohm Walsh Tall 2000
Vanguard Caldera Sub
SDFB w/Piggy and Silver Slugs
Audio Envy Cables
Too many Tweaks
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bloodlemons
Seasoned Member
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Posts: 212
Re: Space Tech Lab Super Tube Rectifier Arrived!
Reply #251 - 06/29/24 at 00:30:36
 
Hereafter --

You KNOW I will be comparing tubes in both units. I don't even have a choice; it's a compulsion!
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Thorens TD 125 Mk II w/SME 3009 and ZYX Ultimate Airy Exceed; Transcriptors Skeleton w/Vestigal Arm and Grado TLZ; ZP3; CSP3; ZMA; ZSB; Space Tech Labs STR 1002; Mac Mini; Teac PD-301-X; Sorcer X4+; SDFB w/ Super Duper Sluggos; Decware cords and interconnects
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CAJames
Seasoned Member
****


"I've run every
red light on memory
lane."

Posts: 1901
Re: Space Tech Lab Super Tube Rectifier Arrived!
Reply #252 - 06/29/24 at 19:34:00
 
So this morning I listened again to the 845/211 combo, now with 100+ hours and it continues to improve. Then I put the 805As back in for the first time since my initial listening, and they win. Just a bigger, better and overall nicer sound. And it seems like after a week of almost continuous use some of the extra warmth has cooked out of the STR so they actually sound even better than I remember. I think I'm done rolling for a while and am just going to enjoy the 805As.
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[FOOBAR2000 | Jay's CDT2 MRK3] -> Denafrips Terminator 2 + Gaia
Sumiko Pearwood -> Mapleknoll Athena -> Luxman SUT -> Maple-tree Phono 3E
Woo WA22 -> 2x UFO25s, balanced monos
Omega SAM , Hifiman Arya, Audeze LCD-XC
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HockessinKid
Seasoned Member
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Posts: 1129
Re: Space Tech Lab Super Tube Rectifier Arrived!
Reply #253 - 06/29/24 at 21:41:17
 
CA James,

Thanks for sharing. Sounds like Al made a solid choice with the 805A tubes for the STR-1002. Such a wide variety of choices with tube options and SQ/build variations on these options.

I'm doing my research now and plan a discussion with Al as he has probably heard more different combinations in his tube rectifiers.  Looks like LinLai has different levels 805A tubes as well.

Enjoy, glad to hear it's sounding even better with more hours on the unit.

HK
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Nottingham Interspace TT w/ Audio Technica AT-OC9XML cart + Modwright PH 9.0XT phono OR Modwright modded Cambridge CNX V2 > CSP3-25th Ann. preamp > ZMA-25th Ann. amp > PI Audio UberBUSS > Caintuck Audio Lii15 Magnum speakers > Snake River Audio & ZenWave cables
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bloodlemons
Seasoned Member
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Posts: 212
Re: Space Tech Lab Super Tube Rectifier Arrived!
Reply #254 - Yesterday at 19:24:04
 
After several incidences of forgetting to check tube voltage or turn components on/off in the correct order, I decided to have some more-explicit switchplates made to help curb my general haste and stupity.


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I am also concerned that a visitor to my home might be intrigued be the hi-fi and start poking around. So I whipped up some safety precaution plates and decals.



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I made enough for the imminent STR-104 as well. It might be overkill, but I feel a little better knowing that curious fingers should be on notice that this is not your typical Sony integrated amp. As for the instruction plates, hopefully they'll catch my eye a little more often before I start flipping switches and swapping things around.

I have four extra of the mercury decals if anyone wants one. 6 was the minimum order.
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Thorens TD 125 Mk II w/SME 3009 and ZYX Ultimate Airy Exceed; Transcriptors Skeleton w/Vestigal Arm and Grado TLZ; ZP3; CSP3; ZMA; ZSB; Space Tech Labs STR 1002; Mac Mini; Teac PD-301-X; Sorcer X4+; SDFB w/ Super Duper Sluggos; Decware cords and interconnects
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Hearafter
Senior Member
***


“In Tubes We Trust”

Posts: 85
Re: Space Tech Lab Super Tube Rectifier Arrived!
Reply #255 - Yesterday at 19:34:48
 
After I made the voltage mistake and damaged 2 tubes, I have developed the habit of always flipping the v switch to the middle off position when tubes are removed.  Forces me to set the voltage and no harm is done if I forget and turn STR on standby.  Works for me so far🤞
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Torii Jr V2 w/ Copper Bypass
Space-Tech Lab STR-104 Super Rectifier
Supratek Cabernet Pre
Lab 12 DAC1 Reference
Bricasti M5 Network Streamer
Ohm Walsh Tall 2000
Vanguard Caldera Sub
SDFB w/Piggy and Silver Slugs
Audio Envy Cables
Too many Tweaks
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CAJames
Seasoned Member
****


"I've run every
red light on memory
lane."

Posts: 1901
Re: Space Tech Lab Super Tube Rectifier Arrived!
Reply #256 - Yesterday at 21:21:11
 
I love the mercury vapor warning! I want one just for the aesthetics, but in California you'd need a Prop 65 warning as well and I don't want to get in trouble with the heat.

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[FOOBAR2000 | Jay's CDT2 MRK3] -> Denafrips Terminator 2 + Gaia
Sumiko Pearwood -> Mapleknoll Athena -> Luxman SUT -> Maple-tree Phono 3E
Woo WA22 -> 2x UFO25s, balanced monos
Omega SAM , Hifiman Arya, Audeze LCD-XC
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bloodlemons
Seasoned Member
****




Posts: 212
Re: Space Tech Lab Super Tube Rectifier Arrived!
Reply #257 - Yesterday at 21:57:43
 
Hearafter -- that is a good way of handling that situation. Good thinking!

CAJAmes -- If you want to make up a warning label that fits your state's requirements, I used SmartSign to create the labels:

https://www.smartsign.com/fod/che/custom-ansi-chemical-labels
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Thorens TD 125 Mk II w/SME 3009 and ZYX Ultimate Airy Exceed; Transcriptors Skeleton w/Vestigal Arm and Grado TLZ; ZP3; CSP3; ZMA; ZSB; Space Tech Labs STR 1002; Mac Mini; Teac PD-301-X; Sorcer X4+; SDFB w/ Super Duper Sluggos; Decware cords and interconnects
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