Sunn amplifier power amp puzzle electronics forum circuits. My sunn beta lead 4x10 combo repair and restoration. Also some files are djvu so you need djvu viewer to open them. A concert lead pushed with a nice pedal sounds really tube like and is super loud. This is not meant to be a technical showcase and i know you are much better than me and blablabla. What do you think of sunn amps amps harmony central. Skip to main content skip to footer site5111704591 used 111704591 sunn beta lead 1x12 guitar combo amp false save up to 30% on everything you need to go acoustic shop now. Sunn diagrams, schematics and service manuals download for free. Schematics, our techtips, product picture illustration, specifications, technical circuit descriptions, troubleshooting guide fault diagnosis, assembly disassembly guide, block diagram signal flow, pc board layout, parts list, semiconductor generic reference numbers, service bulletins engineering changes modifications dated. In the 70s and 80s this reliable rigs blasted tones. According to the service manual the bass and lead are the same except for reverb.
The product is designed and tested according to international safety requirements, but as with all. Sunn beta lead head black vinyl cover, water resistant, heavy duty sunn035 brand new. Im in the midst of repairing my sunn beta lead amp head after it blew out some final stage transistors and supporting components. Sunn audio repair service schematics manuals on 1 dvd in pdf. Cmosludge sunn beta lead distortion preamp snk pedals. With that being said though, i havent heard anything that sounds nicer, louder, and better than my ampeg v4 pushed with an 80s japanese made boss hm2. My sunn beta lead 4x10 combo repair and restoration project. Sunn beta lead power transistor music electronics forum.
Wondering whether ic1 might be partially shorted and dragging down the voltage, i pulled it from its socket see attached schematic so i could power on the amp for 2 seconds and take a voltage measurement. I think it weighs in at 65 pounds, i know because i sold one to a guy in australia. The meltdown also took out the infamous 14506 on the preamp board, which ive completely removed. Activate ssl for secure transmission of your login details. Sunn guitar and bass amplifier owners manuals fender. Ive been wanting any sunn lead head for a while but nothing pops up in my area.
Sure, it doesnt give you a universally applicable guitar sound. Been awhile, theres a guy on kijiji whos gonna sell me his 1978 sunn beta lead 2x12. Sunn beta lead digital cmos technology made in usa randy holden, ted nugent, buzz osbourne of the melvins used these mondo volume machines. Qsc audio repair service owner manuals on 1 dvd in pdf format. Sure, it doesnt make your eyes water with its singing. Ive never restored an amp though, so i cant help out much. Joined mar 25, 2007 messages 1,627 reaction score 2,057. As promised long ago, here is a terriblyplayed but superlong clip of the dunwich amps sunn beta bass with modified eq as assembled by magic effects.
The gain was crap but who cares we are pedal users anyways. Save up to 30% on everything you need to go acoustic. To switch between lead, bass, or both i used an ononon dpdt wired the way the channel switching is done on some of the other preamp boards i. The manual probably does not exist anymore, it is an old model that i bought second hand. Sunn betalead pwr amp schematic return to sunn beta lead resources. Sunn beta lead digital 4x10 combo amp cover padded, black by tuki sunn002p brand new. Inside fender and marshall tube amps pdf unleashed champ pdf video. Used by king buzzo of the melvins and kurt cobain toured with one during the bleach era. This impulse pack isnt the first time weve addressed this amp.
You have already registered your plant in sunny portal see section 2. This one is about an amp for grunge, stoner rock and doom lovers. Guitar, bass, and other instrument amplification discussed here. Jul 22, 2009 help with sunn beta lead help with sunn beta lead. Sunn beta lead combo amp black, heavy duty vinyl cover wpiping sunn008 brand new. The impulses were recorded and edited by the shift line team in st. Dec 20, 2008 beta bass ive got the beta bass head, which i think is the same as the combo as far as controls etc. Featuring a toggle switch that allows you to switch in between both versions. Right now im using the preamp of a concert bass and it sounds pretty fing good through my sovtek. Schematics, our techtips, product picture illustration, specifications, technical circuit descriptions, troubleshooting guide fault diagnosis, assembly disassembly guide, block diagram signal flow, pc board layout, parts list, semiconductor generic reference numbers, service bulletins. Used sunn beta lead 1x12 guitar combo amp guitar center. What it does is bark and bite and it does that well. I like the sunn concert lead more than the beta lead.
Cmosludge sunn beta lead distortion preamp guitar effects. The amp is in good shape cosmetically but channel b does not work properly. Sunn beta partial manual service manual download, schematics. Free sunn diagrams, schematics, service manuals schematics.
Skip to main content skip to footer site5111704591 used 111704591 sunn beta lead 1x12 guitar combo amp false. Sunn featured heads, and what they referred to as selfcontained amps, commonly known as combos. Sunn beta worshippers unite post your photos, videos, and songs featuring this great amp. Its in mint condition pics proved it and as i alway.
Sounds like it works perfectly as far as i can tel. Due to the extremely versatile beta series amplifier, sunn. The schematics i was able to find online were scanned at a very low resolution i tried my best to improve their legibility what. I have the power amp board back together after replacing the transistors and other compromised components. Not all the items below are currently offered by sunbeam products, inc. To open downloaded files you need acrobat reader or similar pdf reader program. Sunn beta power plus amplifier service manual contents. Still to this day the sunn beta units are incredible to play through. The manual is done in a creative layout so my scans will need some pasting for some of the illustrations. I was working on the power amp board of my sunn beta lead to find out why the 15vdc supply was only reading vdc. Although the lead was marketed to guitar players specifically, the only difference between the lead and bass is the lack of reverb on the beta bass. Sunn beta lead manual pdf saunier duval themaclassic f23e manual utilizare ford fiesta 2008how to change ip address on apple how to use harbor freight. This is the second instalment in the series of exclusive impulses recorded from lesserknown and somewhat rare cabinets. In addition, some files are archived, so you need winzip or winrar to open that files.
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