I own a Dynaco Mark III guitar amp. Although i can find loads of info on the Mark III hi-fi amp, I haven't had any luck locating information on the guitar amp. Hoping this forum can help.
thanx
thanx
3 posters
Dynaco Mark III guitar amp
bluesboy- Posts : 3
Join date : 2010-06-06
Bob Latino- Admin
- Posts : 3262
Join date : 2008-11-26
Location : Massachusetts
bluesboy wrote:I own a Dynaco Mark III guitar amp. Although i can find loads of info on the Mark III hi-fi amp, I haven't had any luck locating information on the guitar amp. Hoping this forum can help.
thanx
Bluesboy,
Are you sure that your amp is not just a stock Mark III with a guitar input jack and maybe a different speaker output terminal? It is possible that you have a basically stock Mark III that someone adapted for guitar use. Why don't you post a photo of your amp up here on the forum? Maybe by looking at a photo of the amp one of us can determine what you have ...
Bob
bluesboy- Posts : 3
Join date : 2010-06-06
Hi Bob, thank you very much for your prompt response. You are probably right about someone having likely modified a stock Mark III hi-fi amp. I'll have to borrow a digital camera and then send the image.
cheers
cheers
Bob Latino- Admin
- Posts : 3262
Join date : 2008-11-26
Location : Massachusetts
Hi,
If you do post a photo you have to host the photo on another web site. This forum is supposed to host a photo but it just doesn't work. Join Photobucket or some other photo hosting web site and then just use the "Image" button at the top of the "Post Reply" box. If you can't post the photo then just Email them to me at > Bob01605@aol.com as an attached file and I will post them for you in this thread.
Bob
If you do post a photo you have to host the photo on another web site. This forum is supposed to host a photo but it just doesn't work. Join Photobucket or some other photo hosting web site and then just use the "Image" button at the top of the "Post Reply" box. If you can't post the photo then just Email them to me at > Bob01605@aol.com as an attached file and I will post them for you in this thread.
Bob
bluesboy- Posts : 3
Join date : 2010-06-06
hi Bob, thank you for your assistance.
GP49- Posts : 792
Join date : 2009-04-30
Location : East of the sun and west of the moon
FINALLY a definitive answer:
This was posted on another website by Conrad Sundholm on September 19, 1999. Sundholm is the founder of Sunn, a manufacturer of guitar amplifiers since acquired by Fender.
> 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 60 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.
This was posted on another website by Conrad Sundholm on September 19, 1999. Sundholm is the founder of Sunn, a manufacturer of guitar amplifiers since acquired by Fender.
> 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 60 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.
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