The Sunn Shack

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My Sincere and Heartfelt Thanks to Conrad and Norman Sundholm and to all those who have been responsible for carrying on the SUNN legacy.

Please, READ THIS FIRST!!!!!!  

Greetings Ladies and Gents,

     You're about to wander helplessly into an extremely passionate area of my life. HOWEVER, I am not a Techie. I don't know anything about tubes, wiring, whiffle-dust on the transformer's muffler bearings and/or how it affects the tone of the amp, etc. I simply know that I love SUNN amplifiers. For answers to your tech questions, or simply to "come out of the SUNN Closet" and find comfort and solace knowing that others "feel our pain", please go the Un-official SUNN Site .

Here are some other cool places to visit.

     E-MAIL!!  This one's a biggie. :^>)  I work a 15 hour day, every day, here in a Northeast section of the U.S. As part of my  job I receive anywhere from 25 to 75 Emails a day, sometimes more; E-mails that MUST be answered. See where this is going? I have a stack (several hundred) of SUNN Emails that are expecting, hoping for, and deserve responses. Much to my regret, however, unless someone finds a way to add MANY more hours to the day, I'm totally unable to answer them. My sincere apologies to those of you who've written. :^<)   

     Therefore, if you like this site, hate this site or just want to make comments to me privately, I do read every one that you send along. However, many other Sultans of SUNN all over the world would love to hear from you too, so I'd ask that you post ANY and ALL of your SUNN thoughts and memories on the message board at the site, so that all of us may enjoy them. After all, we're a bunch of sicko's...and just knowing that others with the same addiction/affliction actually exist seems to give us all a degree of comfort. :^>)

Bass-ically Yours,

RB

SUNN Schematic of the Month!

 

colbasssch.gif (210476 bytes)   clobasssch2.gif (338151 bytes)    colbass3sch.gif (371033 bytes)   The_Su3.gif (239961 bytes)  The_Su2.gif (48850 bytes)
 Here's the "thumbnail" (click on it) schematic for the Sunn Coliseum Bass @ 1975/6/7/8


 


Who, What, WHY?

Anyone stopping here who doesn't know about SUNN amplifiers will probably wonder why on Earth I would find them appealing enough to put up this page. Just know this: Sunn bass amps are, indeed, the Holy Grail for me---they always have been. The late 60's models are the Cat's Meow and I still use an original SUNN 200S for recording. The NEW MODELS from SUNN are absolutely Tone-Monsters. I use a SUNN 300T with a 2x15 and a 4x10 for live performances and my stage rig is a personal dream come true. Once you've used one it's very difficult to go back to anything else.

You'll notice that we have a couple of guests who contribute to this site. It's a real honor for me to have Conrad Sundholm adding bits of history to this page and you can find a lot more discussion on SUNN products at: 

The "Un-Official"  
SUNN Site




SUNN Amplifiers
. The amplifier that spawned the explosion of power line-ups throughout the ‘60’s and ‘70’s. The amplifier used by Jimi Hendrix and Noel Redding, by Pete Townsend and John Entwistle, by Tony Iommi and Geezer Butler, by Geddy Lee, by Brian May, by...starting to get the picture?

With truly power mad guitarists such as these, the name SUNN had quickly established its musical foothold, becoming synonymous with the blood curdling, bone crunching, rock-and-roll that would infect an entire generation. And all of this can be attributed to the one band who’s music will forever be remembered in rock history: The Kingsmen.

The Kingsmen? That’s right! The band who brought you the party anthem “Louie Louie”, and quickly faded into anonymity, also brought the amplifier that paved the way for so many that would follow.

“SUNN’s legacy reads like the history of rock,” explains Richard McDonald, Marketing Manager of SUNN Amps. “To paint a little picture, just take a look at the inside cover of your Woodstock album, and you’ll get an idea of the magnitude that SUNN amplifiers had in revolutionizing early rock music.”

Jump back a couple of years. The concert scene of the late ‘50’s and early ‘60’s was dominated by groups touring together. It was very common to have four or five bands, sometimes more, sharing a bus and playing on the same bill. And remember, “arena rock” was not yet a term. Most venues at the time were either theaters or small clubs, and portable amplifiers seemed to do the trick. For a while at least.

Obviously, rock music enjoyed a growing popularity. With that, venues were getting bigger to accommodate the larger numbers of people that were going to concerts. Still though, bands would plug in the same amplifiers that they were using at the smaller venues. Why? Because that’s all there was at the time.

Enter the Kingsmen. Norm Sundholm, bass player for the band, frequently complained that his bass amp was getting lost in the noise from other the other members’ amps and from the audience. So he called up his brother Conrad, an electronics enthusiast, and asked if he could rig something up that might help him out.

“Things weren’t real scientific back then, not like today with computers,” explains Conrad. “So I built this cabinet I had, which became the 2-30/C60...that first one was a real beast.” That “beast” that Conrad had come up with was a bass amp that would set the music world on its ears.

Other musicians soon heard the Sundholm brother’s amplifiers, and were absolutely in awe with their power. Norm and Conrad started to receive orders from guitarists and bass players who had to have one just like it. So Conrad set up shop in his dad’s garage, started building what would become SUNN amplifiers, and turned a small project for his brother into rock-and-roll legend. The SUNN had risen!

Unfortunately for Sunn Amps, it was soon to set.  Although the Brothers Sundholm had enjoyed a great deal of success, receiving endorsements from the Rolling Stones, The Who and Jimi Hendrix, they had quite different views on running the business.  At the end of the '60's, Norm sold his interest in Sunn to Conrad and went on to pursue a career in real estate."....

Then in 1971, Conrad sold the rest of SUNN to the Hartzell Corporation, a Minnesota based conglomerate.

Hartzell continued to make SUNN amps throughout the ‘70’s and into the early ‘80’s, until a tragic plane crash took the life of its President, Tom Hartzell. His surviving family did little with SUNN amplifiers, and decided to sell it a few years later.

Enter the next player in the saga, Fender Musical Instruments. Having recently purchased Fender from corporate giant CBS, Bill Schultz (Fender Chairman & CEO) had seen the opportunity to re-build SUNN into the powerful company it had once been. However, Fender still had to tackle the job of re-building itself in the wake of CBS, and put SUNN on the shelf until the timing was more suitable.

Now jump forward a few years. With Fender back and better than ever, the timing seemed right to bring in their world-class Research & Development team of engineers to resurrect SUNN from the ashes. And resurrect it they did!

The SUNN Model T was redesigned as an all-tube, tonal assault machine. For unrelenting tone and muscle, match it with the SUNN Model T 412 enclosure and get ready to rock. For bassists, the new SUNN 1200S delivers the power and presence to handle any situation. With a supporting line-up of bass and guitar heads and enclosures, SUNN amps are blazing an all new trail into rock-and-roll history.

 

SUNN has risen again.

 

 

   What is it, exactly, that made me such a fan of SUNN? 

Many things actually----Tone is #1 on the list. I know that a large portion of the charm also comes from the fact that ALL of my heroes during the mid-60's and thru the mid-70's were each using SUNN. I wanted to join them at that time---but I couldn't afford a SUNN so I had to make-due with others. 

The 200S bass amp and accompanying JBL loaded 2x15 cabinet was, indeed, revolutionary in its time and still stands up tonally to the best offerings that current day bass amp manufacturers have to offer. As you can see from the front cover of the NEW SUNN catalog, many of our Rock & Roll Icons cut their musical teeth on SUNN gear. Eric Clapton, Jimi Hendrix and Pete Townsend were just three of the name GUITARISTS who used SUNN. 

As far as Bass Players go---SUNN ruled the world. 

Every bassist worth his salt was sporting a 
SUNN rig----on stage and in the studio. 

 

Here are a few words from Conrad Sundholm, one of the founders of the legendary SUNN Company and the designer of the SUNN 200S Bass cabinet. You can ask Conrad questions as well as take part in a pretty nifty discussion group by clicking here.   The following is an excerpt from that site. 

Posted by Conrad Sundholm on September 19, 1999 at 00:13:02:

My brother Norm was working at a music store in Portland, OR and making mods to Fender sealed cabinets by porting them and selling them with 60 Bogen PA amplifiers. I helped him with the port size and tuning.

The very first cabinets under the Sunn name were dual 15" JBL D130's mounted in a 24 wide cabinet with the 15's staggered with two ports next to the staggered 15's. I borrowed $1300 from the Portland Teachers Credit Union (I was teaching at Centennial High School at the time) to purchase plywood, vinyl and JBL speakers. I swung a deal with a local dealer to purchase 12 JBL D130's at below retail. The rep for JBL canceled him as a JBL dealer because he violated JBL's "fair trade" agreement then immediately looked us up and wanted to set us up as an OEM account purchasing direct from JBL. I thought that was pretty hilarious at the time, but felt bad for the retailer who was trying to help us out. I didn't find out about it for a year or so.

Anyway, it took me six months to sell those first 6 cabinets. Then I had a dream about how to build a bass cabinet. The dream was so vivid I got up the next morning and started building the cabinet. It was a rear loading bass reflex design which became the 200S bass cabinet. This particular unit contained extra bracing which was not included in the eventual production version. I then built a piggyback head enclosure and stuffed it with a Dynaco Mark II 6o watt tube kit I built along with a Dynaco tube preamp. This was Norm's first unit he used on the road with the Kingsmen.

It had so much low end! Almost too much. The electronic response curves were for HiFi not bass guitars but it out performed anything on the market. As Norm traveled across the country playing this monster, everyone was asking him were he got this amp. He told them to ask their local music dealer to call me and order one for them. I started getting calls from Jacksonville, FL; Boston, MA etc. - These dealers were ordering 12 at a time - the rest is history.

The original dream became the well respected 200S cabinet. We later built our own preamp mounted in the top rear of the piggyback cabinet along with the Dynaco Mark III. Later we built it all on one chassis.

 


I have no idea where that very first cabinet wound up. I heard that Fender might have it. It has an extra row of screws on the back of the cabinet near the ends. This is where the extra corner braces were located. It was covered with a soft expanded vinyl which got torn quite easily but the box was rock solid.

 

Sunn was first located on the corner of Quarry Rd. and Upper Boones Ferry Rd. (now Carmen Dr.). This was my Father's home. He had a warehouse- shop in the back that we used. When we ran out of space we made a lease deal with a Bill Amburn who owned a private recreational swimming pool business in Tualatin. He wanted out of that business and we needed a building. He punched a hole in the wall, filled the pool with sand and poured a floor and we had our cabinet shop. Electronics assembly was in the office area up front. This building was located Just west of Boones Ferry Rd. on the south side of the Tualatin Sherwood Hwy. It later became a auto body shop. Hope this helps

Conrad Sundholm

 

In Reply to: Sunn 1960s "Folded Horn" Cab Specs??? posted by Karl on September 05, 1999 at 12:27:24:

This design came to me in the twilight of my sleep. I don not have any drawings of the cabinet, but I do have a memory of its construction. The cabinet's external dimensions are 24" wide, 36" tall and 15" deep. A 1/2" plywood liner was placed on the inside front edge of the cabinet to make it look "beefy". The port in the 2 X 15" cabinet was 5" high and ran the entire width of the cabinet. The horn baffle was formed out of two pieces of 1/2" plywood. The horizontal piece being about 3 to 3-1/2" in depth and the 45 degree angle piece being 9" long. On the dual 15" cabinet there were two baffle assemblies. The 1/2" plywood horn baffle pieces were glued into routed grooves in the sides of the cabinet. The single 15" was simply 1/2 of the dual 15" cabinet with the port at the bottom of the cabinet with a single horn baffle assembly. I could sketch it for you but no draw capabilities on this e-mail response mechanism. I would be more than happy to send you a sketch.

Conrad Sundholm-----See what Conrad is doing now by clicking on this link!