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High Wattage – AC/DC’s Marshall amps through the years (Work in Progress – UPDATED: Back in Black era uncovered)
Main Research: André Kozuma
Edits and additional info, SoloDallas
So, hello again everyone!
Here I am again with another article.
This all is mostly things we already know, but I felt that we needed a place to put it all together and make it easier to consult rather than have to search though all the other pages to find the info on the comments or that sort of thing.
What I plan to do is a real Index for everything AC/DC related (gear-wise), but mostly the amps. Perhaps we can cover all of AC/DC’s history, but I can’t do this alone. I would like to ask every member of this community a little help. If you find any bit of info, good pics, videos, whatever it is, that you think it’s interesting, share with us, so we can oficially post it here.
So, let’s start with the amps.
Early Years – High Voltage, TNT, Dirty Deeds Done Dirt Cheap (1973 – 1976)
A few pics:
August 29th, 1976 – Thameside Arena, Reading, England
Baby Please Don’t Go/ Show Business (Found on the Family Jewels disc 1)
Live Wire (July 26th, 1976 at the Marquee Club, London, England)
Soul Stripper (July 26th, 1976 at the Marquee Club, London, England)
Rock n Roll Singer (July 31, 1976 at Barbarellas, Birmingham, England)
Live Wire (same show as above)
No big secrets here, really. It’s obvious that when the boys were just starting, they didn’t have many resources and had to use what was available to them.
Their tone here is more organic, warmer, bluesier and fatter. They were clearly using early 70’s metal-face Super Leads (1959). End of discussion.
NOTE: Malcolm also could have been using Super Basses (1992).
We assume these were the amps used to record the albums too.
Let There be Rock era (Late 1976 – 1977)
Note: What a luck! I randomly chose this image to open this section and turns out that this is the earliest pic I could find with the new amps! This means they got them between August and September 1976. The last pic with the old JMPs is the August 29th gig.
After the release of the internetional version of “High Voltage”, (featuring tracks from the australian High Voltage and TNT), AC/DC received brand new “Rocker Switch” JMP heads from Marshall, as well as brand new cabs. Now, here is where things start to get tricky. We have two kinds of amps being used here: the Master Volume amps (2203/ 2204) and the non-Master Volume amps (1959/ 1987). There’s no apparent difference between them other than the number of inputs. So, let’s take a closer look at the pics.
September 30, 1976 — Multihalle, Mannheim, Germany
The bottom head is, again, a MV. The pic is too blurry to identify the other one.
April 19th, 1977 — Odd Fellow, Copenhagen, Denmark
The ones in the back are hard to see, but the one close to Angus clearly only has two inputs (what you see is a shadow). Beside it, we have the “mixed-up” JMP once again.
NOTE: Thanks to powersurge for the next two pics:
August 29th, 1977 – The Whiskey A Go-Go, Los Angeles, CA, USA
From left to right: A MV (probably) and the “mixed-up” JMP MV on Malcolm’s side and an early 70’s JMP on Angus’s side (rest is out of view).
And a really great pic from The Old Waldorf In San Francisco (September 2nd or 3rd, 1977). We have a MV head there. And a damaged non-MV (apparently a toggle switch version – note the smaller “Marshall” logo). Considering the previous pics, the amp behind Angus is the same mixed-up 2203 with toggle switches seen earlier.
I’ve been wondering what those “white block” things under the logo were. Tyler suggested that they are just pieces of tape where the Young brothers wrote down their amp settings. Either that, or it’s just to mark “Angus” or “Malcolm”. Both explanations seem really plausible.
Here is a new pic (found by powersurge):
July 7th, 1976 – Lyceum Ballroom, London, England (date must be wrong. They can’t have the new JMPs here if they didn’t use them on the Reading show in August 29th, 1976 – There’s also no audio recording, what makes me even more suspicious)
You can see the tape on the early 70’s JMP too, so that means it has nothing to do with “identifying” the new amps, as I thought before (I feel kinda dumb now – hehe)
By the way, is it just me, or those cabs behind Mark look HUGE?
There we see a non-MV JMP “rocker switch”. The one on the right side is the mixed-up 2203. I do believe the other head is a non-MV too. Why? Malcolm had at least two of them at this point (see the Golders Green image below).
The next few pics are from the Golders Green Hippodrome, October 27th, 1977. Here we have a blurry shot on Malcolm’s amps (click on the image to make it bigger). We have a (almost) clear view of two 4-input “rocker switch” amps!
From up to below: a non-MV JMP with toggle switches (maybe one of the backups), then a MV JMP and A non-MV head (seemingly unused). Last one is impossible to tell.
Let’s make it in chronological order this time. Why? You will find out soon enough.
Problem Child (December 5th, 1976 at Melbourne, Australia)
Oh dear… Watch the video carefully (especially at 0:55 – 1:04). Lots of MV Marshalls in this one!
Jailbreak (January 30th, 1977 at Sydney, Australia)
The sound got a lot edgier, more overdriven and brighter. This, my friends, is the pure sound of the 2203.
Now, listen carefully to these two clips:
Problem Child (August 22nd, 1977 at the Agora Ballroom, Cleveland)
[similar to the Melbourne one, right? Now, the next one]
Problem Child (August 24th, 1977 at the Palladium, New York)
Apart from the pitch difference (the tape was probably sped up), and the acoustics, did you notice a difference in the “texture” of the sound? Yes? Brighter, tighter high end, sharper? What happened between these two shows?
The Schaffer-Vega Diversity System! That’s right! Cool, huh?
But also note that the difference is pretty much “subtle”. This is because, at that point, Angus was mainly using the rear output (Just look at the Whiskey a Go-Go pics again and you’ll see that there’s no sign of cable plugged into the front). This means there was no boost, only the compressor.
Live Wire (September 3rd, 1977 – The Old Waldorf, San Francisco) – Listen to Malcolm’s tone (with the non-MV/ MV configuration)
And, just for a good measure, the Golders Green performance (October 27th, 1977):
Conclusions for the Let There be Rock era are:
- In 1976, the Young brothers started using “rocker switch” JMP Marshalls. MVs seemed to be used more, at first instance. This made their sound brighter and more aggressive;
- Early 70’s heads are still present through 1976 and 1977, probably more as backups;
- The LTBR album was probably recorded with the 2203 and 2204 (
and an yet to be identified boostPretty much demonstrated as the album additional boost was a solid-state distortion likely made by some solid state preamp gone into wanted distortion; microphone console pre-amp, etc.; see and listen to this);
- Live performances were done with half step down tuning (or close to that – hehe).
- The Schaffer Vega Diversity System tightened up the tone of the guitars, enhanced the high end frequencies and added a little more drive (August 1977 onwards);
- At first instance, only the rear output of the SVDS was being used. Then, at some point, Angus started to use the front input instead, giving him an additional boost.
- It is important to note that ONLY ANGUS was using the Schaffer Vega Diversity System. Malcolm continued using only cables, up to the 80’s (maybe?) when they switched to a different wireless;
- A mix of MV and non-MV amps was used in the last half of 1977.
Powerage era (1978)
The 1978 tour started on April 26th, most likely right after the recording sessions of the Powerage album. Lets start with a very well known show:
Now, Malcolm’s side:
“If You Want Blood” live album = Marshall JMP Master Model 100w Lead #2203. CASE CLOSED.
Now, you are going to have a little surprise…
Back to the subject… What do we have here? non-MV heads?
This means the Young brother went back to the non-MV heads around June 1978? Seemingly, yes.
Note that the inputs are the black plastic ones. Marshall started to make them with those around 1978, so they are brand new amps.
The cabs might be new ones too. In this case, they could be equipped with G12-65 speakers.
Look at the above pic again. We can see the speakers through the grill cloth.
Now, compare them to those:
Looks like it’s the second one, isn’t it?
Let’s move on.
Wait, wait… So… They went back to the non-MV heads, and used MV on this show?
It seems that the venue was too small for the Super Leads, so they used the Master Models instead.
The early-1978 sound with only 2203 amps is, of course, heard on the “If You Want Blood” album.
Problem Child (April, 30th, 1978 – the Apollo Theatre, Glasgow, Scotland)
UPDATE: Sound evidences and experiments seem to indicate that Celestion G12-65 speakers were used at Glasgow.
For a good measure, let’s hear a lower quality bootleg:
Problem Child (May 5, 1978 – Mayfair, Newcastle, England)
Now, listen to this:
Problem Child (September 10, 1978 – Veterans Memorial Auditorium, Columbus, OH, USA)
Did you notice a difference?
It’s even brighter, with a stronger attack and definitely more “metallic”.
Perhaps, another proof that they started using G12-65 speakers.
Problem Child (October 23rd, 1978 – Vereeniging Hall, Nijmegan, Holland)
Same thing as above.
Problem Child (October 28th, 1978 – Essex University, Colchester, England)
I can tell the amps were relatively low. It doesn’t sound that full. Perhaps, the room was too small for the non-MV 100 watters and that’s why they used the Master Models, so they could still drive the amps at lower volumes.
You can hear it’s really really bright too.
Enough of Problem Child? Alright:
Bad Boy Boogie (September 10, 1978 – Veterans Memorial Auditorium, Columbus, OH, USA)
Acid sounding guitar, don’t you think?
Sin City (September 6, 1978 — Midnight Special, XX, USA)
The pic up there tells us they used non-MVs here.
Sin City (August 8, 1978 – Atlantis Record Bar Convention, Nashville, TN, USA)
I have a feeling that this wasn’t a big venue.
All this drive implies that MVs are being used.
Is it just me or it sounds a lot like the studio version tone?
This makes me wonder if they didn’t have the G12-65 right from the beginning of the tour (CONFIRMED NOW! :P).
Still… I’m not sure if they were available back then… And the album version is kind of smoother (And so is the Glasgow concert)… Well… This is just for us to think.
UPDATE: I spent some hours listening to those 1978 gigs again and I think I figured it out. Listen to these:
Whole Lotta Rosie (April, 30th, 1978 – the Apollo Theatre, Glasgow, Scotland)
Whole Lotta Rosie (May 5, 1978 – Mayfair, Newcastle, England)
Low quality but… We don’t have many bootlegs from this time period.
Whole Lotta Rosie (August 8, 1978 – Atlantis Record Bar Convention, Nashville, TN, USA)
Whole Lotta Rosie (October 28th, 1978 – Essex University, Colchester, England)
Those two last ones sound pretty much alike, don’t they?
Well… We know that in Colchester only 2203 heads were used. So, this confirms our theory that they still used them for smaller venues.
Whole Lotta Rosie (October 23rd, 1978 – Vereeniging Hall, Nijmegan, Holland)
The texture here is different. It’s more… “grainy”? Well… This tone change matches the photo evidences. non-MV were preferred for bigger venues.
- Standard tuning (or something close) was used on that year;
- First shows done entirely with Marshall Master Model (2203) amps;
- Therefore, the Powerage also was recorded with MVs (and it’s documented here);
- AC/DC started using Celestion G12-65 speakers;
- They switched to non-MV heads in mid-1978, except at smaller venues (like the Colchester gig).
Highway to Hell era (1979 – early 1980)
June 3rd, 1979 – John ODonnell Stadium, Davenport, IA, USA
The first different thing we notice here is the JMP combo. It’s either a 2104 (MV) or a 2187 (non-MV)
1979. A very important year for AC/DC. This is when they really started to get big in the United States, breaking into the charts with the now classic Highway to Hell album. This would aslo be, sadly, their last tour with the great late Bon Scott. Well, let’s get right into it!
Although the tour started on May 1st, we don’t have many images available. So, our first images are from June.
Malcolm’s side: Two non-MV heads and the JMP combo.
I wonder what’s so special about that combo
September 1st, 1979 – Zeppelinfeld, Nürnberg, Germany
Angus’ side (two of the three 1959 heads)
As you saw, the 1979 setup is really similar to the late-1978 one. Let’s listen to some clips:
Dog Eat Dog (June 12nd, 1979 – Massey Hall, Toronto, ON, Canada)
Bad Boy Boogie (July 13rd, 1979 – Rijnhallen, Arnhem, Holland)
Whole Lotta Rosie (July 13rd, 1979 – Rijnhallen, Arnhem, Holland)
Live Wire (July 21st, 1979 Oakland Coliseum, Oakland, CA, USA)
Highway to Hell (August 28th, 1979 – Rockpop TV Show, München, Germany)
Walk All Over You (November 12nd, 1979 – Jaap Edenhal, Amsterdam, The Netherlands)
Shor Down in Flames (November 12nd, 1979 – Jaap Edenhal, Amsterdam, The Netherlands)
If You Want Blood (You’ve Got it) (October 16th, 1979 – State College, Towson, MD, USA)
So… That’s basically the 1979 tone. non-MV Marshalls and Celestion G12-65, as it was in late-1978.
It is slightly less aggressive than Glasgow ’78 (guess why – MVs vs non-MVs), but just as cool, in my opinion.
NOTE: THE NEXT PART IS STILL A LITTLE UNCLEAR. WE HAVE NO ENOUGH INFORMATION TO CONFIRM ANYTHING.
The Schaffer-Vega Diversity System has a really important paper in the AC/DC sound.
The biggest proof of that is the following concert:
Shot Down in Flames (December 9th, 1979 – Pavilion de Paris, Paris, France)
This is really the “black sheep” of AC/DC tone.
The sound here is a lot warmer and driven. The explanation for this is that the Vega was broken or was suffering interference from a local radio. Either way, it couldn’t be used and the Young bros. had to use cables and think of another way to get the desired tone. The question now is: How did they do it?
It could be a boost with 2203 heads. But… Had they taken the MVs to France?
UPDATE: A screenshot from a Dutch TV promo of “Girls Got Rhythm”:
It seems that they were really carrying MV amps with them during 1979
And this date is really close to the Paris gig. So, it’s really probable that they were using 2203 amps on the famous “Let There be Rock: The Movie” concert.
(After all, Fil’s ears are rarely wrong!)
And a little addition:
Shot Down in Flames (November 2nd, 1979 – Hammersmitt Odeon, London, England)
It sounds like the Vega is working here, right?
Angus sounds a lot brighter to me. Not as much driven though.
Now… What about the Highway to Hell album?
After some time listening to the album, I realized that the non-MV amps just CAN’T achieve that nasal and driven tone. 2203/2204 were used for sure.
Plus, Fil’s renditions of Highway to Hell and If You Want Blood are SPOT ON with his 2204 and the G12M equipped cab. So… That’s final I guess.
Also, remember that a studio is basically a small venue. Does that ring a bell?
- Marshall non-MV amps apparently used through all the year (with a few MV appearences too);
- Celestion G12-65 also used extensively;
- Highway to Hell album likely recorded with (or also with) MV amps. The SVDS was used at least for lead work.
- The Young brothers sound like themselves no matter what gear they use. PERIOD.
Back in Black era (1980 – 1981)
Back in Black: The Pinnacle of AC/DC’s career. They’ve barely recovered from the shocking death of Bon and already got back to work with their new vocalist, Brian Johnson.
Now, I think this might disappoint you, but I coudn’t find a single good picture of the amps used this year! O.o
That’s because, at the time, they started to place them either next to the drums, facing the side of the stage (as seen on the Let There be Rock movie) or hidden backstage.
Let’s work with what we have then…
Look! It’s that old “mixed-up” JMP from 1977 again! Looks like they kept it. Under it we see another 4-holer.
UPDATE: I don’t know why I didn’t think of this one before!
A screenshot of the promo video for Rock and Roll Ain’t Noise Pollution (July 4th, 1980)
There we see some Marshall heads. It seems to me that they have the bigger logos used from 1980 onwards. This means they got new amps in the begining of the tour!
These are really the only pictures of the amps we have in 1980, sadly.
Now, a pic from 1981:
February 5th, 1981 – Koseinen Kin Hall, Tokyo, Japan
It’s really blurry, but you can see the amp there (luckily)
Wait… a 2203? Yeah. Seemingly (two inputs)
Well… It seems that 1980 will remain as a really mysterious year… In all the senses.
Since we don’t have pics, let’s work with bootlegs.
Hells Bells (July 1st, 1980 — Brielport, Deinze, Belgium)
Hells Bells (August 1st, 1980 – Palladium, New York, NY, USA)
Back in Black (August 1st, 1980 – Palladium, New York, NY, USA)
Highway to Hell (August 1st, 1980 – Palladium, New York, NY, USA)
Whole Lotta Rosie (August 1st, 1980 – Palladium, New York, NY, USA)
You Shook Me All Night Long (August 30th, 1980 — Dallas Convention Centre, Dallas, TX, USA)
Highway to Hell (August 30th, 1980 — Dallas Convention Centre, Dallas, TX, USA)
High Voltage (September 27th, 1980 – Cobo Hall, Detroit, MI, USA)
What Do You Do For Money Honey (October 10th, 1980 – Civic Centre, Springfield, MA, USA)
Shoot to Thrill (November 12nd, 1980 – Hammersmith Odeon, London, England)
Whole Lotta Rosie (November 20th, 1980 – Gota Lejon, Stockholm, Sweden)
Whole Lotta Rosie (November 29th, 1980 – La Rotonde du Bourget, Paris, France)
Whole Lotta Rosie (December 14th, 1980 – Hallenstadion, Zurich, Switzerland)
What Do You Do for Money Honey (January 13rd, 1981 – Parc Des Expositions De Chateaublanc, Avignon, France)
Rocker (February 5th, 1981 – Koseinen Kin Hall, Tokyo, Japan)
Rock ‘n’ Roll Ain’t Noise Pollution (February 27th, 1981 – Myer Music Bowl, Melbourne, Australia)
So… Now the question is… When did they get the new 2203 heads?
Truth to be told, I don’t know. These bootlegs aren’t really good and it’s impossible to tell the tone changes, let alone without the help of pictures.
But, I must say that the tone is really “nasal” since the very first concerts in Belgium.
UPDATE: The screenshot of the promo videos indicate that they had the new heads since the first half of 1980 – This probably means Angus used MV all through the tour too!
The Back in Black album itself is surrounded by many mysteries, stories and rumours.
Concerning the complex recording methods applied, we, here at Solodallas.com, are still trying to uncover the right elements that created the incredible, punchy and badass tone that we all fell in love with.
The photos showed many non-Master Volume heads in the rehearsal room, but we also saw a 2203 at the corner. That means they probably were using it too.
Listening to the album through headphones, I muted the left side to hear Angus and then the right side to hear Malcolm. And I realised something really important.
You know what’s so different about this album? I’ll tell you: Angus guitar alone isn’t that special (Yeah. You read right – no, I’m not nuts). Don’t get me wrong. His tone is AMAZING here, but It’s MALCOLM’S guitar that is adding all that beef! Yeah! That’s right! (I’M TALKING ABOUT THE RHYTHM GUITAR TONE HERE, BY THE WAY. Angus’ lead tone in BiB is to die for)
Remember that photo up there? The “mixed-up” JMP 2203? So… That’s it. The amps in that room probably were the ones used to record Back in Black.
And who usually plays that amp? Malcolm!
Listen to it carefully: Angus guitar is kind of thinner, more “grainy” and rawer. Malcolm’s guitar is fatter, “nasal” and brutal.
Angus played through non-MVs.
Malcolm played through a 2203!
It’s the mix of these two tones that creates such a powerful sound.
Alone, they are great. But only when the two are together, the magic happens.
- Master Model amps used again on live performances (edgier sound, to match with the edgier vocals of Brian Johnson);
- Back in Black album recorded with MV amps (for Malcolm) and non-MV amps (for Angus);
- Cabinets still equipped with Celestion G12-65 speakers;
- Schaffer-Vega Diversity System still being heavily used.
- The tuning became more stable (Standard A=440), probably because of Brian’s more “technical” approach on singing.
VN:F [1.9.22_1171]High Wattage - AC/DC's Marshall amps through the years (Work in Progress - UPDATED: Back in Black era uncovered), 9.7 out of 10 based on 18 ratings
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