Sunn Concert Lead Ii
Sunn Concert Controller II PA Mixer-Amplifier Schematic Contents: Schematics, Product Picture / Illustration, Introduction / Features, Specifications, PC Board Layout, Parts List, Service Bulletins / Engineering Changes / Modifications (Dated 1972-74) (24pages/$25). Apr 02, 2013 Old Sunn amps. What did they sound like? Discussion in 'Amps and Cabs' started by Dr. Tweedbucket, Mar 27, 2012. Both the Concert Lead and the Coliseum Lead were SS heads. I owned a Sunn Solos II 2-12 guitar combo, which I thought was a great amp at the time. T had plenty of power, was relatively easy to haul, and came with. I'm glad to hear you had a good experience with it. Sounds like you had the 'Sunn Concert Controller 2'. I've just bought the earlier model 'Sunn Concert Controller 1' (1972). Mine is the same setup, except it's 6-channel with 12 High-Impedence inputs. It has 4 speaker output jacks and a line out. Can't wait to play and record thought it.
Welcome to!!Guitar, bass; tube, solid state.Whatever. We love amplification.Amplifier type overview.Solid-state: These amps are called solid-state because they use transistors for their preamp and power sections They are very reliable and seldom need repairs. They often have a very clean tone, although many come with a “distortion” also.
These amps are popular with players looking for a sturdy, reliable touring amp. Most lower cost practice amps are solid state.Tube: Tube amps preferred by many guitarists for their warm, fat tone and “organic” distortion. Tube amps usually sound louder than solid-state amps of the same wattage and have a definite “feel” that you don’t get from solid-state amps. Most tube amps have separate channels that can switch from clean to distorted tones instantly. Tube performance can deteriorate over time, so tubes need changing occasionally.Modeling: Modeling amps use digital processors to simulate the sound of old-fashioned tube technology.
Using software that “models” the sound of tube amplifiers (and cabinets), these amps put the sound of numerous amps in one box. Modeling amps are programmable, and often have built-in digital effects such as delay, chorus, etc.
Some include digital or analog outputs with speaker simulation for going direct into a recording interface or PA system.Hybrid: Combining the best of each type of amp into one package, these amps use an actual tube in conjunction with the solid state power section of their amps. Many hybrid amps use a tube in the preamp section and solid state circuitry in the power section to create a tube tone without requiring the use of power tubes. Related subreddits:.
You have to take an rca cord and cut it. Then strip an inch or so, then strip the next wire inside. Ours was yellow inside. Then you have 2 wires. Twist them together and put electrical tape on it. Do this twice. Then you have 2 Identical wires.
Plug one into the left and another into the right. It completes 2 circuits. You need to complete both.But basically, rca is stereo so there's 2 wires inside. So by splicing the 2 stereo signals together you create a single loop. Each rca Jack has a single circuit that needs completeion.The last two posts in this forum thread seem to sum up what I'm trying to explain, if I'm not doing a good job. Okay, that's clear now.
Just to summarize the data from that post:L openL shortedR opencleanvery loudR shortedvery quietdistortionSo it sounds like you're going to need a DPST switch to switch them both at the same time.However,rca is stereo so there's 2 wires insideThat's not true. RCA is (intended to be) mono. It has one signal conductor and one ground conductor.
In practice, especially in this case, it doesn't make any difference, but I just wanted to point this out to get rid of any confusion.
Download the ten-panel SUNN amplifiers 1970 catalog:DOWNLOAD:Models covered, with specs and photos, include: SUNN Dymos, Solarus, Sonaro, Sentura 1, Sonic 1-40, Sceptre, Sorado, Sentura II, Solos, 200s, 1000s, 1200s, and 2000s instrument amps; plus Sunn Concert Sound System and Coliseum Sound System.I’ve been using a SUNN Sonaro as our ‘house’ studio bass amp for several years. E actually found this for me, deadstock, on eBay about 10 years ago. Since then I have re-tubed and recapped it entirely, and it is really a fantastic amplifier. Very simple, but always sounds great.
The ‘hi boost’ and ‘low boost’ switches enable one to get some very modern sounds out of this ancient tube head; much more versatile than, say, a Bassman. The cabinet is not so great. Insufficient low end for many songs.Growing up we also had one of these ‘Concert’ PA heads. We used it briefly in our teen-age garage band.
For some reason, it regularly shocked the lead singer. Even if he was not touching anything else. It basically kept him in a constant state of terror.
It was all we could afford at the time. The CONCERT is a solid-state amp and it is not recommended.SUNN amps have an interesting story.
(abridged by PS.com):“In early 1963, a band based in the of, became known for the song ““. After their hit single, The Kingsmen soon embarked on a fifty-state national tour.
Because the band was used to playing small and school dances, many of the members found themselves ill-equipped with the amplifiers that they were currently using. Bassist Norm Sundholm discovered that his bass amp was not nearly powerful enough to play larger. Sundholm enlisted the help of his brother Conrad to help solve his problem. By 1964, the Sundholm brothers had designed a high powered concert bass amplifier.
Thus, the Sunn Musical Equipment Company was founded.”What Wiki does not tell you is that Conrad’s ‘solution’ was basically to add a pre-amp stage to a and stick it in a big speaker cabinet. This basic design would provide the essential platform for all the classic SUNN amp heads. The crucial point of all of this is that all the classic SUNNs (including the humble Sonaro) use the very powerful 6550 output tubes coupled to an ultra linear output transformer. To my knowledge, no other major instrument amp manufacturer was using ultralinear transformers in 1970. Not even the Ampeg SVTs of the era use ultralinear operation. This fact gives SUNN amps a real advantage in accurate low-end (bass) sound reproduction.I’ve also owned a Sunn SCEPTRE, and other than the crappy-sounding sold-state reverb circuit, it was pretty great as well.
Sunn Concert Lead Ii Review
It is still easy to get a great deal (around $400) for many of these classic SUNN heads, and I highly recommend them, especially since you can now. This makes it very very easy to re-cap the amps for proper operation.To download the original schematic for the SUNN 1200S, click here: Post navigation. I HAVE A COUPLE OLD TRANSDUCER 4-12 SUNN CABINETS. I USED TO PLAY THEM THRU A 100 WATT MARSHALL AMP. THE MARSHALL KEPT CUTTING OUT ON ME AND WE THOUGHT IT WAS THE IMPEDENCE. I BELIEVE THAT THE SUNN CABINETS WERE WIRED IN PARALLEL AS THE SPEAKERS ARE 16 OHM EACH, AND THIS WOULD CREATE A 4 OHM LOAD WITH ONE CABINET, AND A 2 OHM LOAD WITH 2 CABINETS. I CAN CHANGE THE OMAGE ON THE BACK OF THE AMP.
I BELIEVE I HAD THE CABINETS REWIRED TO BEING RUN IN A SERIES TO TRY TO OFFSET THE MARSHALL GOING OUT ON ME, BUT THIS WOULD MEAN THAT THE OHM LOAD WOULD BE 64 OHMS, WHICH THERE IS NO SETTING FOR. CAN YOU TELL ME IF THE SUNN TRANSDUCERS WERE WIRED FOR PARALLEL OR FOR SERIES OUT OF THE FACTORY. I’M GUESSING IT HAD TO BE PARRALLEL TO CREATE THE 4 OHM LOAD.
I WOULDN’T THINK YOU COULD PLAY A CABINET WITH A 64 OHM LOAD.THANKS! I assume you are referring to a vintage circa 1970 all-tube sunn 1200, yes? If so, the schematic SEEMS to indicate that a low-impedance tank (I.E., 8-ohm input) is correct. The schem is a little hard to ready, but it SEEMS like the tank is driven by a transformer stating “10Kz: 3.8Z”, so 8-ohm is close enough.A regular reverb tank wont work properly open-side up, though, so you may need to custom order; TubesAndMore dot com stocks the right part, make sure you get one designed for open-side up.