Instruction/ maintenance manual of the product 350x SWR
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350x OWNER’S MANUAL SWR • CORONA, CA • USA.
IMPORTANT SAFETY INSTRUCTIONS CAUTION: TO REDUCE RISK OF ELECTRIC SHOCK, DO NOT REMOVE THE COVER OR BACK. NO USER-SERVICE- ABLE P ARTS INSIDE. PLEASE REFER TO A QUALIFIED SERVICE TECHNICIAN. A. Read Instructions: All safety and operation instr uctions should be read befor e the product is operated.
INTRODUCTION Congratulations on your pur chase of the SWR 350x Bass Amplifier! Y ou now own the cor nerstone amp of SW R’s world-r enowned Pr ofessional Line of products for bassists.
Note: Please take a moment to verify that the following items wer e included in your SWR 350x packaging: AC Cable, User Guide, SubW ave Activator Footswitch, 1/4" to 1/4" Footswitch Cable, SWR Catalog.
Sensitivity (full output under clipping, 8 ohms load, 100 Hz): Passive Input Jack: 38 millivolts Active Input Jack: 60 millivolts Power Amplifier (Ef fects Retur n Jack “in”): 5 volts Input Impeda.
Impor tant: The minimum total impedance when operating the 350x is 2 ohms. This means you can safely use: a) A single 8 ohm cabinet b) A single 4 ohm cabinet c ) T wo 8 ohm cabinets (total: 4 ohms) d) T hr ee 8 ohm cabinets (total: 2.
amp clip circuit for this r eason. Active Input Jack The Active input jack should be used with instr uments having a built-in (on boar d) p r eamp or other sound sour ces that will pr oduce output levels gr eater than 1 volt RMS.
This r emains tr ue up to about the “2 o’clock” position. This position – a favorite for many users – brings out both the low end fundamentals and crisp highs and, at the same time, adds a little lower midrange to help cu t through the band.
long as your speaker cabinet can handle the peak levels. Adjust the controls slowly , and use com- mon sense. Midrange Contr ols Y our 350x comes equipped with two dif fer ent contr ols for setting th.
Activating or Defeating the Limiter Cir cuit Y ou may either activate or defeat the Limiter cir cuit via the Ef fects Blend contr ol, wh ich doubles as an on/of f switch for the Limiter . The “In” position activates the Limiter Cir cuit, and is the default setting as shipped from the factor y .
350x OWNER’S MANUAL • 9 Balanced Output jack is the same as when in the DIRECT position, with one impor tant exception: the SubW ave™ is pr esent. What’s the benefit of this setting? W e’ve found that most people who use ef fects pedals pr efer to use them in fr ont of the amplifier .
XLR Gr ound/Lift Switch Sometimes connecting to cer tain mixing boar d s or studio consoles with non-standard XLR wiring can cause a gr ound loop. Y our 350x has a push-button switch for lifting the gr ound on the Balanced (XLR) Output. (It af fects no other outputs.
Ef fects Send This jack’s primar y function is to send a post-EQ-and-SubW ave™ signal to an exter nal ef fects device for use in the 350x Ef fects Loop. However , it can also be used as: 1. A line level output for use in conjunction with an additional (slave) power amp—such as SWR’s Power 750.
SPEAKER OUTPUT SECTION This section of the manual will deal with the pr oper connection of speaker cabinets to the power amplifier in the 350x. Some of this gr ound has alr eady been covered in the “Getting Star ted – Connecting Y ou r Speaker Cabinets” section in the beginning of the manual.
One 8 ohm enclosure + one 8 ohm enclosur e = 4 ohms total impedance One 4 ohm enclosure + one 4 ohm enclosur e = 2 ohms total impedance One 8 ohm enclosure + one 4 ohm enclosur e = 2.
Only SPEAKER CABLE of 18 gauge or heavier (the heavier the cable, the lower the gauge) should be used to connect your 350x to your speaker system. Do not use shielded instr ument cable to connect your.
Line Fuse (A/C or Mains Fuse) This fuse is pr ovided to pr otect the inter nal electr onics against power sur ges, etc. It also pr otects the unit against itself should one of the inter nal components fail. If this fuse should open, repl ace it with the same type of fuse and rating.
A FEW WORDS CONCERNING HEAT One of the most asked questions about our amplifiers is why they tend to get war mer than other amps. The chassis of your amplifier can get quite war m during nor mal usage. This is especially tr ue if you ar e operating your 350x at a 2 or 2.
Aura l Enhancer Frequency Lev el Treble Midrange 0 0 0 500 +15 -15 200 800 min max +15 -15 +15 -15 Aura l Enhancer Frequency Lev el Treble Midrange 0 0 0 500 +15 -15 200 800 min max +15 -15 +15 -15 Au.
350x LIMITED WARRANTY The 350x fr om SWR is war ranted to the original consumer pur chaser for TWO YEARS fr om the date of pur chase against defects in materials and workmanship, pr ovided that it is purchased from an Authorized SWR dealer. This war ranty applies only to pr oducts pur chased in the USA or Canada.
An important point after buying a device SWR 350x (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought SWR 350x yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data SWR 350x - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, SWR 350x you will learn all the available features of the product, as well as information on its operation. The information that you get SWR 350x will certainly help you make a decision on the purchase.
If you already are a holder of SWR 350x, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime SWR 350x.
However, one of the most important roles played by the user manual is to help in solving problems with SWR 350x. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device SWR 350x along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
