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Manual Pass Labs X350

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  • Pass Labs X350 - page 1

    P age 1 Pass Laboratories Owner's Manual X1000 / X600 / X350 ...

  • Pass Labs X350 - page 2

    P age 2 Now For Something Completely Diff erent: The X Seri es are th e bigg est and most pow erful ampl ifiers w e have cr eated, but they are no t unique for that r eason. We hav e chosen t he biggest a nd mos t power ful as the pro per templ e for a new concept in high per forma nce audio ampli fication. Called Su persymm etry™, the ci rcuit t ...

  • Pass Labs X350 - page 3

    P age 3 Setup First off, let’ s be cl ear abou t one thing . These amplifi ers are v ery heav y. In the c ase o f an X1000, w e strongly sugg est that you g et four, n ot two, peo ple to h elp you l ift it. Yeah, m aybe two people c ould do it, b ut if you g et hurt, don’ t say y ou weren’ t war ned. X600 an d X35 0 models ar e not m uch ligh ...

  • Pass Labs X350 - page 4

    P age 4 the front panel stand- by but ton to go to stand- by mod e, with the meter light o ff and the meter parked to t he le ft. OK, so the a mplifier i s sitting there in stand-by mode w ith just t he sing le blue l ed lit. N o speaker con nected y et. You can go ah ead and co nnect the s ource now. The ampli fier requi res a fully balanc ed sour ...

  • Pass Labs X350 - page 5

    P age 5 of our a mplifiers i s almost non-ex istent. This is smal l comfort t o the few, but t ake it easy and give us a cal l if y ou hav e probl ems. Now that th e chann els are up and runni ng, w e can tak e a moment to not e a few things. The meter l ights are bl ue, subtl e lig hting i n daylig ht, a little more dr amatic a t night. The meter ...

  • Pass Labs X350 - page 6

    P age 6 9 volts to 1 5 volts. This swi tching is independen t of th e front p anel but ton, so i f the ampli fier is placed in operating mode by the button, the relay will not turn it o ff, only on. So much for essenti al in for matio n. Speaker Interface The X Seri es is opti miz ed for loa ds nominal ly r ated at 4 ohms and above. You can r un th ...

  • Pass Labs X350 - page 7

    P age 7 and the en ergy reserv e held in the c apacitors will do its job. As a practical matter, it will not make a lo t of di fference. Jus t don’t c all us u p and c omplain tha t you onl y measur ed 1900 watts in y our living room. I f you do, w e’ll want to k now w hat speakers can take it. Interconnects and Speaker Cable s W e hav e a gene ...

  • Pass Labs X350 - page 8

    P age 8 Fun Hardware Facts The X100 0 has two pow er transformers, r ated at 1500 w atts each, con tinuous duty at 85 degrees centig rade. Under actu al conditions in the a mplifier, they will do about 2000 w atts continuously each, and at le ast hal f again mor e than tha t for s hort durati ons. The X 6 00 and X350 hav e one o f these trans forme ...

  • Pass Labs X350 - page 9

    P age 9 boards i n the ampli f ier ar e doubl e sided, w ith plated throug h holes and d ouble thickn ess of copper. So how long will this hard ware last? It is my experience tha t, barring abuse or the odd failure of a componen t, the first things to go w ill be the pow er supply capacitors, and fro m experience, they w ill last 15 t o 20 years. F ...

  • Pass Labs X350 - page 10

    P age 10 Supersy mmetr y: What it is, Where it came fro m, Ho w it works, Why bother ( theory and philos ophy you can ski p ) Supersym metry is the name g iven to a new type of a mplifyi ng circui t, whic h operates quite different ly than t he desig ns pres ently app earing in liter ature and the mar ketpl ace. I have been designing new amplifiers ...

  • Pass Labs X350 - page 11

    P age 11 nature of the device. So I will state here and no w that I c onsider “n o feedback” to be where feedback does not extend further than a singl e gain device or stage, s o that circui ts hav ing “local feedback” are still consi dered “no feedback”. Any body disag reeing with this sh ould send me a diagram of a “true no feedback ...

  • Pass Labs X350 - page 12

    P age 12 sink in it. N ow I str ive to be li ke Pic asso, who c ould draw a woman with a si ngle penci l stroke and create a master piece. Supersym metry is not a singl e pencil stroke, but I am making progress. Its orig in goes back to the late 1970’s w hen I was ex amining the v irtues and faults of so-cal led “error correcting amplifier s” ...

  • Pass Labs X350 - page 13

    P age 13 feedback w ith a Sup ersymmetr ic conn ection an other 20 dB or so. This is easily accomplishe d with onl y one g ain stage ins tead of the mul tiple stag es required by conventi onal desig n, and so it results i n only one “pole” of hig h freque ncy character istic, and is unc onditi onally stable without com pensation. In fact, i f y ...

  • Pass Labs X350 - page 14

    P age 14 People inev itably w ill ask how thi s relates to bridg ed ampli f iers in g eneral , and th e balanc ed amplifier o fferings of oth er companies . It is similar o nly in that both termin als of the ou tput to the speak er are “l ive” ; neither of them is ground ed. You c ould in fact “br idge” tw o X1000’s together t o giv e you ...

  • Pass Labs X350 - page 15

    P age 15 On this cur ve (B) we can clear ly see tha t intrinsic sy mmetry due to t he matchi ng of th e two halves r educes th e distorti on by a factor o f 10. Super symmetr y (D ) creates a more per fect match, a nd results i n an ad dition al reduc tion by a factor o f 10. How ever there is esse ntially no differenc e in the distortio n figures ...

  • Pass Labs X350 - page 16

    P age 16 X1000 CUR VES ...

  • Pass Labs X350 - page 17

    P age 17 X600 CUR VES ...

  • Pass Labs X350 - page 18

    P age 18 X350 CUR VES ...

  • Pass Labs X350 - page 19

    P age 19 X1000 SPECIFICA TIONS All figur es obtai ned after 1 hour w a rmup, with reg ulated 12 0 VAC pow er line. See m anual notes ab out AC p ower l ine reg ulation. Gain 30 dB Freq. Response -0 dB at DC , -3 dB at 60 kHz Power Outpu t 1000 w atts maxi mum @ 1% THD, 1 kHz, 8 o hms Distorti on refer to accompany ing di stortion c urve Maxi mum Ou ...

  • Pass Labs X350 - page 20

    P age 20 X600 SPECIFICA TIONS All figur es obtai ned after 1 hour w a rmup, with reg ulated 12 0 VAC pow er line. See m anual notes ab out AC p ower l ine reg ulation. Gain 30 dB Freq. Response -0 dB at D C, -3 dB at 100 kHz Power Output 600 watts maxi mum @ 1% THD, 1 kH z, 8 ohm s Distorti on refer to accompany ing di stortion c urve Maxi mum Outp ...

  • Pass Labs X350 - page 21

    P age 21 X350 SPECIFICA TIONS All figur es obtai ned after 1 hour w a rmup, with reg ulated 12 0 VAC pow er line. See m anual notes ab out AC p ower l ine reg ulation. Gain 26 dB Freq. Response -0 dB at D C, -4 dB at 100 kHz Power Output 350 watts maxi mum @ 1% THD, 1 kH z, 8 ohm s Distorti on refer to accompany ing di stortion c urve Maxi mum Outp ...

Manufacturer Pass Labs Category Stereo Amplifier

Documents that we receive from a manufacturer of a Pass Labs X350 can be divided into several groups. They are, among others:
- Pass Labs technical drawings
- X350 manuals
- Pass Labs product data sheets
- information booklets
- or energy labels Pass Labs X350
All of them are important, but the most important information from the point of view of use of the device are in the user manual Pass Labs X350.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Pass Labs X350, service manual, brief instructions and user manuals Pass Labs X350. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Pass Labs X350.

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A complete manual for the device Pass Labs X350, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Pass Labs X350 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Pass Labs X350.

A complete Pass Labs manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Pass Labs X350 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Pass Labs X350, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Pass Labs X350, that we can find in the current document
3. Tips how to use the basic functions of the device Pass Labs X350 - which should help us in our first steps of using Pass Labs X350
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Pass Labs X350
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Pass Labs X350 in a specific country, if it was not possible to solve the problem on our own.

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