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Thread: Pass X350.8
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June 25, 2016, 05:00 PM #1
Pass X350.8
Who has heard this amp? It's getting a lot of love and I'm getting lots of enquiries about it. Even sold a few. Never heard it myself. Just wondering who's heard it and what you compared it to.
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June 25, 2016, 05:17 PM #2
Re: Pass X350.8
I am loving mine. The best my system has ever sounded. I currently have one driving my Salon 2s... I previously used a Hegel H30. The Hegel is a great amp, but in my system the X350.8 is a step up. Huge soundstage, with amazing depth....sweet and full midrange. The dynamics are off the chart. It has about 100 hrs on it.
Joe is coming by tomorrow and will hear it for the first time. He's heard my system at every stage. I know he will love it.
Pass and Lampi....
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June 25, 2016, 06:35 PM #3
Re: Pass X350.8
I can't wait Bruce, it's hard to believe your system has gotten better but I'm up for the improvement.
Last edited by joeinid; June 25, 2016 at 10:51 PM.
Fleetwood Deville by Oswald Mills Audio, Vienna Acoustics Haydn Jubilee, Wharfedale Linton w/ stands, Klipsch RB-75, Klipsch RP-160M.
Job INTegrated. Luxman L-595aSE
NAD C 658 streamer.
First Watt SIT-3, Job 250 Monos, NuForce STA200, AkitikA GT-102 amp, ASL Wave monos, Dennis Had 45 monos. Absolute Audio Labs PCF 25 amp (improved First Watt F7 super clone)
Topping D90, RME Audio ADI-2 DAC FS, ModWright Ultimate Sony XA-5400ES.
Burmester 948, McIntosh MCLK12, Kimber Kable, Siltech, Cardas, Avanti Audio cables.
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June 25, 2016, 08:36 PM #4
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June 27, 2016, 01:35 AM #5
Re: Pass X350.8
Hi Bruce,
Have you tried/compared with any Pass XA.8 series amp? I'm intrigued by the difference in sound signature between X350.8 and its class A brethren.
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June 27, 2016, 07:28 AM #6
Re: Pass X350.8
I went to see Bruce yesterday and then we both went to another friend's house, Mark. Both have Salon2's and the Pass 350.8 amps.
Both have been through a lot of gear, especially Bruce. I have to say that both these systems have never sounded better. Sure the room was a little warm but the music flowing out was undeniably the best that I've heard from both systems and the best I've heard any system, my system excluded, of course.
Sweet vocals, powerful but slightly rounded bass compared to 28BSST's, Ayre KX-5/20, Hegel H30, and several others. More depth and in the room sound stage of all of them. So much air that I did not think it was possible. Such an inviting, huge but intimate sound.
Mike had tweaked Bruce's system last week and it was stunning. With the amp change, Bruce is in a whole new league now. There's no way now that it can get any better. Seriously.
Bruce, thank you for a fun day yesterday.Fleetwood Deville by Oswald Mills Audio, Vienna Acoustics Haydn Jubilee, Wharfedale Linton w/ stands, Klipsch RB-75, Klipsch RP-160M.
Job INTegrated. Luxman L-595aSE
NAD C 658 streamer.
First Watt SIT-3, Job 250 Monos, NuForce STA200, AkitikA GT-102 amp, ASL Wave monos, Dennis Had 45 monos. Absolute Audio Labs PCF 25 amp (improved First Watt F7 super clone)
Topping D90, RME Audio ADI-2 DAC FS, ModWright Ultimate Sony XA-5400ES.
Burmester 948, McIntosh MCLK12, Kimber Kable, Siltech, Cardas, Avanti Audio cables.
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June 27, 2016, 01:38 PM #7
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Re: Pass X350.8
OMG...I am so out of the loop here! Congrats Bruce. Do you still reside at the same address???
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June 27, 2016, 01:46 PM #8Jock
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June 27, 2016, 02:02 PM #9
Re: Pass X350.8
Hahahahahahahaha
Fleetwood Deville by Oswald Mills Audio, Vienna Acoustics Haydn Jubilee, Wharfedale Linton w/ stands, Klipsch RB-75, Klipsch RP-160M.
Job INTegrated. Luxman L-595aSE
NAD C 658 streamer.
First Watt SIT-3, Job 250 Monos, NuForce STA200, AkitikA GT-102 amp, ASL Wave monos, Dennis Had 45 monos. Absolute Audio Labs PCF 25 amp (improved First Watt F7 super clone)
Topping D90, RME Audio ADI-2 DAC FS, ModWright Ultimate Sony XA-5400ES.
Burmester 948, McIntosh MCLK12, Kimber Kable, Siltech, Cardas, Avanti Audio cables.
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June 27, 2016, 02:03 PM #10
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Re: Pass X350.8
Lolol!!!
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June 27, 2016, 04:02 PM #11
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July 9, 2016, 10:42 AM #12
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Re: Pass X350.8
Mike: The X350.8 is a good "all-arounder". It plays very neutral tonally and can output very loudly, effortlessly and clearly. It is quite dynamic and it projects a very broad soundstage. It is a bit more forgiving than amps I've owned in the past, such as Krell and Accuphase, so less than stellar source material still sounds pretty good. If it lacks in any specific area, it is in the ultimate finesse and beauty in the midrange. It is also a bit less detailed than some amps. But in the final analysis, it is hard to find fault with any specific area of performance. It reminds me of a much better and cleaner version of the Musical Fidelity Nuvista 800 which I had here on demo a while back. I am using it with the Accuphase C2420 preamp, which might affect the sonics as well.
Focal Scala V2, Accuphase DP-550, Avid Volvere, SME 309, Benz-Micro Reference Copper S, Accuphase C-37 phono pre, Tara Labs 0.8, Accuphase A-70, Accuphase C-2420 preamp
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July 9, 2016, 10:52 AM #13
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Re: Pass X350.8
By the way, I have never moved the bias needle on this thing, no matter how loud I've played it. So the first 35 watts of output in pure Class A must be pretty potent. I would add that it is a good match with the Focal Scalas. We're playing Madonna this morning and it actually sounds compelling despite the fact that we've played the same disc through other amps and it was intolerably bad. Kind of a neat trick since most of our music is not audiophile grade.
Focal Scala V2, Accuphase DP-550, Avid Volvere, SME 309, Benz-Micro Reference Copper S, Accuphase C-37 phono pre, Tara Labs 0.8, Accuphase A-70, Accuphase C-2420 preamp
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July 10, 2016, 02:17 PM #14
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July 10, 2016, 04:44 PM #15
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Re: Pass X350.8
Hmmm. It says 35 watts in the brochure. Whatever it is, it drives Focal Scalas, at 92 db efficient, to very loud levels without leaving class A bias.
Focal Scala V2, Accuphase DP-550, Avid Volvere, SME 309, Benz-Micro Reference Copper S, Accuphase C-37 phono pre, Tara Labs 0.8, Accuphase A-70, Accuphase C-2420 preamp
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July 10, 2016, 06:34 PM #16
Re: Pass X350.8
"No summit worth climbing is easily attained."
--------------------------------------------
Source: MSB Select II DAC with Two Mono Powerbases and Femto 33 Clock; Renderer V2 Digital Input Module and Roon Nucleus Plus; MSB UMT V Signature Transport
Amps: Vandersteen M7-HPA Mono Amps; MSB M204 Mono Amps
Speakers: Vandersteen Model 7 Mk2
Power: Two AudioQuest Niagara 5000’s with AudioQuest Dragon and Hurricane Power Cords
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July 10, 2016, 06:38 PM #17
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Re: Pass X350.8
Let your ear be your guide. The amp sounds phenomenal.
Focal Scala V2, Accuphase DP-550, Avid Volvere, SME 309, Benz-Micro Reference Copper S, Accuphase C-37 phono pre, Tara Labs 0.8, Accuphase A-70, Accuphase C-2420 preamp
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July 10, 2016, 06:44 PM #18
Re: Pass X350.8
Yes, it leaves class A at 18wpc, but what a wonderful amp it is. It pushes all the right buttons, it not hideously expensive, expansive sound stage with tremendous air, and a sweet tone. I heard this at two friends homes and absolutely love it. A Pass Labs home run.
Fleetwood Deville by Oswald Mills Audio, Vienna Acoustics Haydn Jubilee, Wharfedale Linton w/ stands, Klipsch RB-75, Klipsch RP-160M.
Job INTegrated. Luxman L-595aSE
NAD C 658 streamer.
First Watt SIT-3, Job 250 Monos, NuForce STA200, AkitikA GT-102 amp, ASL Wave monos, Dennis Had 45 monos. Absolute Audio Labs PCF 25 amp (improved First Watt F7 super clone)
Topping D90, RME Audio ADI-2 DAC FS, ModWright Ultimate Sony XA-5400ES.
Burmester 948, McIntosh MCLK12, Kimber Kable, Siltech, Cardas, Avanti Audio cables.
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July 10, 2016, 07:08 PM #19
Pass X350.8
I'm sure X350.8 is superb. It's not my intention to say it's not because it leaves Class A at lower wattage. But for those who own XA.8 amp, like myself with XA30.8, looking for more headroom, when it leaves Class A becomes important (XA30.8 leaves Class A at 60 watts peak).
I use XA30.8 to drive Magico S3 (88db 4 ohm) and the needle never moves at my normal listening level or even at higher level. Only at a very very high spl level the needle starts to move. Not that I'm feeling the system is lacking in terms of dynamic headroom in any way or effortlessness, but I do wonder if there's performance gain to be had going from XA30.8 to X350.8. Probably easier or more obvious way is to get to XA60.8 or XA100.8, however Class A mono also means more rack space, heat, power cord and plug from the wall. I use Siltech Ruby Hill 2 on the amp and one more of this cable would add a substantial upgrade cost.
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July 10, 2016, 07:15 PM #20
Re: Pass X350.8
At what level an amp leaves class-A is important based on speakers being used, ZNom and sensitivity. On your Magico at 4 ohm , your pass amp will transition to class-B at 30 watts not 60 , and at 9 watts on the 350.8 ...
I do prefer Mono amps , means i can place amps to left and right and as close to the speakers as possible ..
regards
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July 10, 2016, 07:25 PM #21
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July 10, 2016, 07:49 PM #22
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Re: Pass X350.8
The XA30.8 is a sweet amp. That being said, the X350.8 will give you more bass dynamics and dynamic headroom.
Focal Scala V2, Accuphase DP-550, Avid Volvere, SME 309, Benz-Micro Reference Copper S, Accuphase C-37 phono pre, Tara Labs 0.8, Accuphase A-70, Accuphase C-2420 preamp
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July 10, 2016, 10:27 PM #23
Re: Pass X350.8
"No summit worth climbing is easily attained."
--------------------------------------------
Source: MSB Select II DAC with Two Mono Powerbases and Femto 33 Clock; Renderer V2 Digital Input Module and Roon Nucleus Plus; MSB UMT V Signature Transport
Amps: Vandersteen M7-HPA Mono Amps; MSB M204 Mono Amps
Speakers: Vandersteen Model 7 Mk2
Power: Two AudioQuest Niagara 5000’s with AudioQuest Dragon and Hurricane Power Cords
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July 11, 2016, 01:16 AM #24
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July 11, 2016, 05:33 PM #25
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July 11, 2016, 06:36 PM #26
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Re: Pass X350.8
Mine took forever to break in. I have had it for about 6 months, so I'm sure it's finished, but when it was new, it had a slight bite in the treble and felt kind of closed in. Now it's really smooth and open and likes being played loud. No more bite and a huge soundstage.
Focal Scala V2, Accuphase DP-550, Avid Volvere, SME 309, Benz-Micro Reference Copper S, Accuphase C-37 phono pre, Tara Labs 0.8, Accuphase A-70, Accuphase C-2420 preamp
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