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New Pass Labs X.5 series versus previous X series

Pass Labs is in the process of re-dedesigning their entire X series into the new X.5 series. As of this writing X150.5, X250.5 and possibly X350.5 are already shipping. The X600.5 are expected to start shipping early in the new year. This thread is to discuss experiences with the new amps, their sound signature, perceivable improvements over the old series, and of course dissenting opinions. Everyone's perspective is welcome--X and X.5 owners, X.5 window shoppers, Dealers, and all other audiogoners with a passion for affect by the bug of audiophilia.

Guidocorona (Threads | Answers | This Thread)

11-13-04

Responses (1-55 of 55)

Click title to read one, or click date to read all below it.

11-13-04 Do we know what is changed in the circuitry? i can guess th ... Jameswei

11-13-04 The info on the x.5 series internal changes are still scant. ... Guidocorona

11-13-04 I have found the following snippet in a current audiogon lis ... Guidocorona

11-13-04 I have owned x150, x250, x350 and now the x250.5. the x250. ... Jazzmeup

11-14-04 Thank you jazzmeup. i have also seen you are putting your x ... Guidocorona

11-14-04 Guidocorona what you have already said is about all the inf ... Irish65

11-14-04 Thanks irish65. i am planning to call peter at pass next we ... Guidocorona

11-15-04 Some more tidbits i just gathered from pass: while specs on ... Guidocorona

11-15-04 What was peter's feedback concerning the x350.5? Irish65

11-15-04 Guidocorona, that's a very interesting tidbit! thanks for pa ... Calanctus

11-15-04 Today i spoke to kent, rather than peter. peter was home w ... Guidocorona

11-16-04 Actually i was thinking of getting the x350.5. but i am 100 ... Jazzmeup

11-16-04 Wonder how x250.5 compare to xa-200 ? any idea ? thanks! Cdma

11-16-04 I'll be out of touch for 36 hours. keep the discussion goin ... Guidocorona

11-16-04 Hi folks: i own a x250 and has been one of the best speakers ... Flg2001

11-16-04 Hi folks, i just received my new 350.5 48 hrs ago. i owed a ... Sigmund

11-16-04 Sorry, i meant to say 'i am not 100% convinced' Jazzmeup

11-17-04 I recently purchased an x250.5 and love it. i've seen severa ... Vgrubb

11-17-04 Sigmund, it will be interesting to hear your impressions of ... Guidocorona

11-17-04 Last night i stayed up way too late listening. i experienced ... Sigmund

11-17-04 It is interesting to learn on the inner detailed presentatio ... Flg2001

11-17-04 Hi guys, i've been confuse about the new .5 upgrade for a v ... Longho68

11-17-04 Fernando, the amp i had before the 350 was a sonic frontiers ... Sigmund

11-17-04 The 250, which employs smaller caps, is a more current desig ... Jazzmeup

11-18-04 Longho68, the x600.5 will not be available until the first ... Guidocorona

11-18-04 My situation: bought a x-250 demo 3 months ago for $4200 and ... Jukes

11-18-04 Thanks guidorona, i think i'm going with the x600 since i li ... Longho68

11-18-04 Sigmund: i own avalon eclipses, which also throw great backs ... Flg2001

11-18-04 Longho68: i am not that familiar with your speakers, just he ... Flg2001

11-18-04 Thanks flg2001, frankly speaking, i recently sold my x250 ... Longho68

11-19-04 Longho68: the x600 is a great amp, you will both enjoy it an ... Flg2001

12-04-04 The pass labs web site has just been updated with informatio ... Guidocorona

12-04-04 Guidocorona i am still in the process of breaking it in. i h ... Irish65

12-05-04 Irish65, which model are you breaking in exactly? thanks, ... Guidocorona

12-05-04 Guidocorona on your last post on 12-4-04 you encouraged any ... Irish65

12-05-04 Sigmund how many hours do you have on your 350.5? i would li ... Irish65

12-05-04: Guidocorona
Thank you Irish65 for the clarification.
Guidocorona (Threads | Answers | This Thread)

04-18-05 Just spoke to peter perkins at pass today and got an update ... Guidocorona

04-19-05 I have no doubt that the monoblocks will be a refinement of ... Teajay

04-19-05 Tj, not only i was impressed by the findings in your review ... Guidocorona

04-19-05 Has anyone compared the x350.5 with the parasound halo jc-1' ... Daltonlanny

04-20-05 I had both x250.5 and jc-1 for 3 months driving my studio. ... Jazzmeup

01-23-07 Anyone compare the pass aleph 2, x 350.5, and xa 160s? i o ... Ivanj

01-26-07 The.5 designation is deceveing. it could have been a totally ... Gregger

04-25-07 Hi there, i am considering the x350.5 against the x600.5 and ... hocklin.kwan@

04-25-07 Hocklin, i suspect you may find the old x600 to have greate ... Guidocorona

04-25-07 Apologies to all. . . i corrected my previous post. i meant ... Guidocorona

04-25-07 Hi guidocorona, thanks for your comments. so the x350.5 appe ... hocklin.kwan@

04-26-07 Hocklin, have you considered calling pass labs directly? fo ... Guidocorona

04-26-07 Peter is no longer with pass labs. Audiofeil

04-27-07 I've listened to both the pass 600.5 and the 350.5 for a goo ... Magichandslarry

04-27-07 Magichandslarry, did you perceive any other difference betw ... Guidocorona

05-23-07 Hi, i'm wondering the real differences between the x600 vs t ... Ken1188

06-04-07 Pass labs is introducing a new series of amps, dubbed the xa ... Guidocorona

06-08-07 Hey guidocorona, i am currently using the 350.5's with my w ... Magichandslarry