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*PRICE DROP* 1973 Marshall JMP 1992 Super Bass 100w Amp ‘Rosemary’ - *SOLD*
£2500
Stroud

maximumbass21

By maximumbass21,
in Amps and Cabs For Sale

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maximumbass21 Enthusiast

maximumbass21

Posted
Posted (edited)

*PRICE DROP* £2250
 

Bought new by my stepfather in '73 and was used for a few years. Since then, it has sat in storage for over 40 years. I have recently spent £300 having the amp serviced and a new power socket fitted etc. Below is a list of the works carried out:

- Four main power filter capacitors have been replaced due to leakage and corrosion.

- Several smaller electrolytic capacitors have been replaced due to leakage and falling out of tolerance.

- The two smoothing capacitors on the rectification stage have been replaced due to failure.

- One control knob was replaced as it had cracked and fallen apart.

- A number of resistors have been replaced due to falling out of tolerance and/or showing visible signs of heat wear.


The shop can also be contacted to discuss the work carried out if you require, Dex is happy to talk through. If you search Dex Audio in Stroud, you will be able to find the contact for the shop.

Dex has had the amp running for over 48 hours with no noise but as this amp has not been used for so long, there may be some minor servicing required on it as you continue to use it.


The amp is in original condition apart from the parts for servicing. Any questions, please get in touch. 
 

EDIT: I have since been informed that this amp is quite a bit rarer than I thought. The circuit board is point to point and the output transformer is a Dagnall C2373; both of which I have been told are very desirable! 

 

Cash only, I am not interested in any trades. Collection from Stroud or I am willing to meet within a reasonable distance.

 


 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


 

 

 

 

 

 

 

Edited by maximumbass21
Sold
  • Like 5
Burns-bass Grand Master

Burns-bass

Posted
Posted

Beautiful. We used to use boot polish to get the tolex looking as good as possible.

 

I reckon you’d be best off selling in commission at a vintage dealer, I’ve found this the best way to safely engage a global market and get the best price.

  • Like 1
rwillett Grand Master

rwillett

Posted
Posted
Just now, petecarlton said:

I did - went for Latin and German instead, but my point stands - those internal pix are amazing!

In your defence, they are very, very nice indeed.

 

If only I played in a band, had some gigs lined up, failed biology 'O' level, had a cabinet to drive and had not already sacrificed a kidney I'd love this. 

 

In all seriousness, this is utterly gorgeous. I'd love to be on stage and have this behind me. Unless I was at Wembley, I'd have the quiet satisfaction that I wasn't going be ignored and lost in the mix. 

  • Like 1
three Veteran

three

Posted
Posted

These just look so cool - oozing rock’n’roll attitude. My first bass amp was the 50 watt version in ‘76. I’d concur with the vintage dealer idea - many guitarists love these and prefer them to the dedicated guitar version

  • Like 2
Geek99 Grand Master

Geek99

Posted
Posted
On 30/12/2024 at 10:40, three said:

These just look so cool - oozing rock’n’roll attitude. My first bass amp was the 50 watt version in ‘76. I’d concur with the vintage dealer idea - many guitarists love these and prefer them to the dedicated guitar version

Yes that’s because few guitards can read and they don’t spot the word “bass” after “super”. It takes a bass player to see these things, leave them to their stacking cups and paw patrol cartoons

  • Haha 2
WalMan Mentor

WalMan

Posted
Posted (edited)

My son used my mid 60’s version jumped as his guitar amp for a few years 🙂
 

Joan, Win and Mary involved in testing but no date on the faded, sepia test sticker 🙁

IMG_1410.jpeg

Edited by WalMan
  • Like 1
kwmlondon Mentor

kwmlondon

Posted
Posted

I had one of these as my first amp. I was young and had no idea what I had so I traded it for a sh*ty Lany combo in the early 90s. If I had the space and any way to use it I'd probably get this, but it's just not an option. GLWTS and I hope this goes to someone who can enjoy it.

Alba Proficient

Alba

Posted
Posted

I had one of these in late 70s early 80s along with a 2x15 Marshall cab. Fabulous sound cranked up, especially with a Ric. Sold the amp and cab for £300 about 15 years ago and bought a digital camera with the proceeds, which is probably now worth £1.50! What a plonker was I!

  • Like 1
  • Haha 1
Dan Dare Grand Master

Dan Dare

Posted
Posted
3 hours ago, Alba said:

Sold the amp and cab for £300 about 15 years ago and bought a digital camera with the proceeds, which is probably now worth £1.50! What a plonker was I!

 

Bass rigs take lousy photos, mind. Even vintage valve ones.

  • Haha 2
asingardenof Grand Master

asingardenof

Posted
Posted

GLWTS, these things are awesome. I wasn't able to get anywhere near this price for my 1980-made one but hopefully the market has picked up in the last few years.

  • 2 weeks later...
Dood Grand Master

Dood

Posted
Posted

I have a '68 Super Bass, I can attest to it's extraordinary tone! My ole P bass sounds wonderful through it. I had no idea they were fetching such prices until I looked them up, not that mine is going anywhere mind :) 

Dood Grand Master

Dood

Posted
Posted
On 23/01/2025 at 22:16, petecarlton said:

Presumably, it's going Norwhere?

 

Ha ha!! Yes! :)

  • Like 1
  • maximumbass21 changed the title to *PRICE DROP* ‘73 Marshall JMP 1992 Super Bass 100w Amp
rwillett Grand Master

rwillett

Posted
Posted
On 14/02/2025 at 09:20, Steve Browning said:

GLWTS. As an ex VAT man I can't get past the invoice with 0% VAT on the service! 🙂

Take a deep breathe, close your eyes, exhale slowly to a count of five, repeat. As you exhale chant the words "VAT Threshold £90,000, VAT threshold £90,000".

 

Failing that, ring the bastard in...

 

Rob

  • Haha 1
petecarlton Mentor

petecarlton

Posted
Posted
1 hour ago, rwillett said:

Take a deep breathe, close your eyes, exhale slowly to a count of five, repeat. As you exhale chant the words "VAT Threshold £90,000, VAT threshold £90,000".

 

Failing that, ring the bastard in...

 

Rob

Wouldn't change the rate though!

  • Like 1
  • 4 weeks later...
WHUFC BASS Mentor

WHUFC BASS

Posted
Posted
On 30/12/2024 at 10:40, three said:

many guitarists love these and prefer them to the dedicated guitar version

 

I was going to make this point too. I used to have an old Park valve head which was designed for bass but was bought off me by a guitarist who reckoned it was the beat amp he'd ever played though. I assume this is why the original Fender Bassman amps are so popular with guitarists too.

 

GLWTS

  • Like 2
  • maximumbass21 changed the title to *SOLD PLEASE REMOVE* 1973 Marshall JMP 1992 Super Bass 100w Amp ‘Rosemary’
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