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Manual Pass Labs Amplifier

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  • Pass Labs Amplifier - page 1

    1 pass ® XA30.5 Owner’ s Man ual May 17, 2007 ...

  • Pass Labs Amplifier - page 2

    2 XA30.5 Owner’ s Manual Nelson P ass has been designing audio electronics since about 1971, first with ESS (remember Heil transfor mers?), and then for ming a new company , Threshold in 1975. Threshold pioneered the design of high pow er Class A power amplifiers and later , high pow er amplifiers using only local feedback (the Stasis series). P ...

  • Pass Labs Amplifier - page 3

    3 XA30.5 Owner’ s Manual W e star t with simple FET circuits already ha ving low distortion and noise, and arrang e them in tw o symmetrical halves . T he tw o halves of the amplifier channel are closely matc hed, eliminating a larg e por tion of distortion and noise without feedback. A small amount of feedback is also applied, not so m uch for t ...

  • Pass Labs Amplifier - page 4

    4 XA30.5 Owner’ s Manual All the usual perfor mance metrics - pow er, distortion, noise, input impedance, damping factor and bandwidth ha ve all been impro ved in this latest generation. T he po wer supplies are larger, with fast rectifiers gating to larg er capacitor banks . The increases in A C line noise w orldwide hav e been addressed with he ...

  • Pass Labs Amplifier - page 5

    5 XA30.5 Owner’ s Manual SET UP X amplifiers r un at about the same pow er as their output rating, and XA amplifier r un more than twice that. The heat sinks on the side of the amplifier r un hot to the touch – about 25 to 30 degrees C. abov e ambient, so you can expect 50 to 55 degrees C. temperatures on the heat sinks . It is v er y impor tan ...

  • Pass Labs Amplifier - page 6

    6 XA30.5 Owner’ s Manual The amplifier’ s voltage and cur rent rating are indicated on the rear panel. It will be either 230 v olts, 115 v olts or 100 volts . T he larger amplifiers have a circuit break er of the appropriate capacity . The smaller power amplifiers use a slo w-blow 3A G type fuse . T he frequency rating of the A C line source is ...

  • Pass Labs Amplifier - page 7

    7 XA30.5 Owner’ s Manual So the amplifier is sitting there unconnected. Make sure that the rear panel po wer switch/break er is off (down). Plug the A C cord into the back of the amplifier , and then into the wall. Then tur n the po wer switc h/breaker on (up). The lights in your house will dim for a moment as the po wer supply charges the capaci ...

  • Pass Labs Amplifier - page 8

    8 XA30.5 Owner’ s Manual XLR. If you re-install the jumper incorrectly or leav e it lying about, the amplifier will not w ork properly , and you will be able to tell. Choose either XLR or RCA inputs . If you r un both at once from different components , the sound is not likely to be optimal, but it shouldn ’ t cause damag e anywhere . Now that ...

  • Pass Labs Amplifier - page 9

    9 XA30.5 Owner’ s Manual should never occur in real life . This is a ver y rare occurrence, and w ould indicate a serious problem. Interconnects and Speaker Ca bles W e hav e a g eneral recommendation about interconnects , and speaker cables: They should cost less than the amplifier , and contain at least some conductiv e material. W e hav e trie ...

  • Pass Labs Amplifier - page 10

    10 XA30.5 Owner’ s Manual ther mal cycles , but we can sa y that we hav e had amplifiers operating in the field in ex cess of 20 years with no par ticular mortality , and we don ’ t hav e g ood infor mation beyond that. More to the point, you should not w or ry about it. T his is a conser vati vely built industrial design, not a frail tube circ ...

  • Pass Labs Amplifier - page 11

    11 XA30.5 Owner’ s Manual XA30.5 SPECIFICA TIONS Obtained after 1 hour war m-up , with regulated 115 V A C pow er line. Gain 26 dB Freq. R esponse -3 dB at 1.5 Hz, -2 dB at 100 kHz P ow er Output P ow er Output P ow er Output 30 watts @ 8 ohms , 60 watts @ 4 ohms Distortion @ 1 KHz .01% @ 3 W , .1% @ 30 W Maximum Output V oltag e +/- 30 v olts Ma ...

  • Pass Labs Amplifier - page 12

    12 XA30.5 Owner’ s Manual W ar ranty Infor mation All P ass Laboratories products purchased new from an authorized P ass Laboratories dealer in Nor th America are co vered by a transferable, limited 3-year w ar ranty . This war ranty includes parts and labor charges incur red at the repair facility . Consequential damag es are specifically not co ...

  • Pass Labs Amplifier - page 13

    13 XA30.5 Owner’ s Manual W ater and moisture: Electrical devices should not be used near water ( as per example , near a bathtub , washbasin, kitc hen sink, laundr y tub , wet basement or swimming pool ). Care should be taken suc h that objects do not hav e the oppor tunity to fall, and that liquid is never spilled onto or into the device enclos ...

Manufacturer Pass Labs Category Stereo Amplifier

Documents that we receive from a manufacturer of a Pass Labs Amplifier can be divided into several groups. They are, among others:
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- Amplifier manuals
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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 Amplifier.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Pass Labs Amplifier, service manual, brief instructions and user manuals Pass Labs Amplifier. 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 Amplifier.

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A complete manual for the device Pass Labs Amplifier, 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 Amplifier by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Pass Labs Amplifier.

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 Amplifier - 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 Amplifier, 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 Amplifier, that we can find in the current document
3. Tips how to use the basic functions of the device Pass Labs Amplifier - which should help us in our first steps of using Pass Labs Amplifier
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Pass Labs Amplifier
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Pass Labs Amplifier in a specific country, if it was not possible to solve the problem on our own.

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