The svt amps with 6146b tubes tend to put out a bit more power as well as have a more pronounced grind in low mids, as opposed to the more round, deeper bass sound provided by svts with 6550a tubes. Ampeg svt3 pro 450watt rackmount bass amp head reverb. I really like the svt iii pro, but i cant help wonder if a preamp tube change. Get the guaranteed best price on hybrid bass amplifier heads like the ampeg svt 6pro 1100 watt tube solid state bass head at musicians friend. Control the dynamics of tonal response characteristics from the. Like all ampeg products, your svt3 pro amplifier is designed by. I just recently acquired an ampeg svt iii pro oldest model. These selected premium quality valves give superior tone and power and are fully guaranteed.
Ampeg svt 3pro bass amplifier svtiii pro made in usa. The power section is solid state with a toroidal transformer that generates less noise and magnetic interference. Which is perhaps why guys like metallicas robert trujillo and primus les claypool swear by the svt 3 pro. The svt 3pro offers svt tone and performance with a few modern enhancements in a convenient rackmount design. Groove tube is the only 12au7 i can find at least at guitar center or sam ash but there are a few different makes of the. Svt 6pro also features builtin compression at the input stage, and a tube voltage control for adjusting the response of the power amp driver tubes. Track and reamp with a punchy, modern take on the legendary svt with the ampeg svt3 pro bass amplifier plugin.
Tips and tricks ampeg 5position midrange control for svt, svt pro and pf series heads duration. Make offer ampeg svt 3 pro 450w hybrid tube solidstate bass amplifier. I havent opened it up to see what tubes are in there now, but i would not be surprised if they are stock. The tube preamp section of the ampeg svt3pro series head recreates the great bass tone that made the original svt the most respected bass amp of all time. Svt 3 pro bass guitar amplifier service information if you are having a problem with your svt 3 pro, you can go to our website. These new amps employed a 14tube design to generate 300 watts of power in an era.
Developed by brainworx, the ampeg svt vr, svt 3 pro, and b15n bass amplifier plugins offer three flavors of the legendary ampeg recipe exclusively for uad2 hardware and. It is very dirty and gritty with lots of distortion, even at low volumes. At 10 the gain is at maximum, providing a dynamic, highly responsive tone. Ampeg svt 3 pro 450 watt tube preamp bass amp amplifier rack head. Any one have an opinion as to which tubes are the best to use. Ampeg svt 3pro pro series tube solidstate hybrid bass amplifier head svt3 new. This versatile and powerful bass amplifier delivers up to 1100 watts of unsurpassed musical power, and offers the classic vibrancy of tubes with several outstanding features. Svt 2 pro bass amplifier changing the tubes tubes wear out in direct proportion to how often and how hard you play the amplifier. The svt3 pro amplifier is an ideal companion to the classic series, pro series, or pf cabinets, available separately.
You are now the proud owner of an ampeg svt3 pro bass guitar amplifier. It currently has 3 sovtek 12ax7was in preamp and 1 sovtek 12ax7wa and 1 unknown 12au7 in driver tubes. Ampeg continues to manufacture and sell heritage series and svt pro series models of svt. In 1990, ampeg introduced the svtii and svtii pro, and in 1994, introduced the.
I was planniing on using sovtek 12ax7wa and a groove tube gt12au7. The svt 3pros frequency control allows you to select the center fre read more. The svt 6pro is designed for the serious player who demands the ultimate toneshaping machine, in a convenient, highpowered, rackmount package. The svt vr is an absolute musthave for anyone that wants to get that classic thumping ampeg bass tone. The svt 4 pro amplifier is an ideal companion to the classic series, pro. Its a great time to upgrade your home music studio gear with the largest selection at. With the installation manager, you can select, download and install just the. Musical instrument amplifier ampeg svt 3 pro owners manual 8 pages. This is the standard retube kit for the ampeg svt 3 pro. Know your ampeg bass amps the history of 3 iconic ampegs. Make offer ampeg svt 3 pro rackmount bass amplifier head tube solid state 450watt. The tube amp library of information click the link above for tube amp info, schematics, board building information, projects, mods, transformer diagrams, photos, sound clips. By giving players the gritty, tubedriven front end and a lighter, more portable 450 watt solidstate power section, the svt3 pro continues the proud, toneful, svt.
The svt vr runs with two channels spread over four inputs along with a 3 band eq on channel one and a simpler 2band eq on channel two. A workhorse of modern bass rigs for the likes of metallica and primus, the svt 3 pro amplifier continues to enjoy prestigious modern classic status. View and download ampeg svt 2 pro owners manual online. I recently bought a svt 3 pro that is probably about 20 years old i am not sure on how to determine the exact year.
The tube gain control varies the gain of the preamp tubes allowing for a variety of tonal response characteristics. Classic ampeg tone with 5 preamp tubes that are working properly. Find great deals on ebay for ampeg svt pro 3 and ampeg svt 4 pro. Like all ampeg products, your svt3 pro amplifier is designed by musicians and built using only the best of components.
Ampeg reverb rocket 3 amp schematic ampeg sb127868 portaflex amp schematic ampeg sb12 portaflex amp schematic ampeg schematics. All of these pdf files are available for free download. Dozens of the worldclass artists depend on the svt 3pro to get the job done, day in and day out. How to repairbias a ampeg svt tube amplifier by lee jackson metaltronix duration. How to repairbias a ampeg svt tube amplifier by lee jackson metaltronix. An introduction to your new ampeg svt 6 pro bass amplifier the harmonically rich sound and legendary performance of the ampeg svt are redefined in the svt 6 pro. Has anyone messed around with the preamp tubes in an ampeg svt iii or iv pro. The tube preamp section of the ampeg svt 3pro series head recreates the great bass tone that made the original svt the most respected bass amp of all time. Power tubes should be checked at least once a year. Ampeg svt 3 pro 450watt rackmount bass amp head reverb.
Moderate size, significant power and genuine ampeg round sound everything a serious bassist needs. It combines a fullfeatured tube preamp with a tight solidstate power amplifier for a wide and rich sound spectrum from extremely neutral and transparent to powerful unique tones. By giving players the gritty, tubedriven front end and a lighter, more portable 450watt solidstate power section, the svt3 pro continues the proud, toneful, svt. The ampeg svt is a bass guitar amplifier designed by bill hughes and roger cox for ampeg. Get the best deals on ampeg svt 3 pro when you shop the largest online selection at. The ampeg svt 2 pro is a bass guitar amplifier head in a rack mountable casing. Downloads product q wholesaleoem inquire ampservice technical suport.
Classic bass flavor in a contemporary package the ampeg svt3 pro. Changing preamp tube in ampeg svtiii pro bass guitar. Tubeset for ampeg svt iii pro ampeg tube sets tube. Rohrenset fur ampeg svt iii pro ampeg tube sets tube sets. Find great deals on ebay for ampeg svt 3 pro and ampeg svt 2 pro. Im pretty sure it needs new tubes but correct me if im wrong. Ampeg svt vr bass guitar amplifier head ampeg svt vr duration. The svt 2 pro is a tube based head with a 14 inch connection in the front for your instrument and 14. I dont know the exact wattage on the unit, but this thing sure holds a ton of power. Line 6 is a music instruments manufacturing company that specializes in guitar amp and effects modeling, and makes guitars, amps, effects pedals, multi effects processors, guitar wireless, vocal wireless, music software, recording interfaces, digital mixers, and personal amplification speakers. Check out how the ampeg svt 3 pro bass amplifier plugin emulates this modern rackmount classic to a t, elegantly modeling the wide array of tone. Lauded for its punch and versatility, the ampeg svt 3 pro plugin combines the classic tone of the original svt, with a tighter, updated sound. Make sure you dont short your meter probes on the heat sink. Personally, i have not received the manual with, i can download it from the site but he did not serve much.
This versatile and powerful bass amplifier delivers up to 1600 watts of unsurpassed quality, offering the classic vibrance of tubes, as well as contemporary features. This kit contains four ecc83ss and one ecc82 to replace the 12au7. Their b15 and svt amplifiers have stood the test of time as the ultimate in not only power, but in tone. With its single channel, hybrid solidstate power amp and tube preamp sections, rackmount design, and onboard 9band graphic eq, the. Here you will find our collection of ampeg schematics. Do you have a ampeg guitar or bass tube amp that needs repair or. Ampeg svt3 pro bass amplifier uad audio plugins universal. It has been bench tested and all of the features and functions are working properly. You are now the proud owner of an ampeg svt 4 pro bass guitar amplifier. With up to 450 watts and the sweet sound of tubes, the svt 3pro is the top choice of rockers and funkmeisters around the globe.
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