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Supro / Model 24 / 1964 / Blue Tolex / Amp

1964 SUPRO - MODEL 24


1964 Supro Model 24 in very good condition, serial number: G24741. This is a hand-wired point-to-point all-tube Supro amp manufactured by Valco Mfg. Co. in 1964. The circuit has not been altered. The original grillecloth is excellent-condition, the tolex has a few scuffs and scrapes, mainly around the edges. The chrome control panel has a few small patches of rust. The lettering is present and totally legible.

This amp has been fully serviced and comes with a 3 month warranty and step down transformer. During the service our tech noted: New 3 pin power chord fitted. Original pots, transformer and circuitry. The Jensen C12R speaker dates to the 46th week of 1967, so is therefore not original to the amp.

Based on the Supro amp catalogs, this is rated at 17 watts RMS power into the 8 ohm Jensen speaker. This is essentially the same amp and circuit as the Supro model 1624T from 1959 through 1962. All that was changed from the 1624T was a longer chassis, the addition of a separate tone knob for each channel, a larger, open-backed cabinet ( For more volume and woody TONE ), and the model number was shortened from 1624 to "Model 24.” All of the "24" model amps from 1959-1967 share the same basic circuits and tube compliment ( 3 - 12ax7's, a pair of 6973 power tubes and a 5Y3GT rectifier tube ).The cabinet dimensions are 23.75" wide, 16.5" high and 8" deep. The amp weighs:11.5kg.

Instrument sold

Andy Baxter Bass & Guitars Ltd, UK  

Contact name:
Andy Baxter
Fender, Gibson, Rickenbacker, Music Man, G&L , Gretsch , Yamaha ,
Vintage Guitars
Opening hours:
11am - 6pm / 6 days Monday - Saturday

International vintage Bass Guitar sales for dealers, collectors & players

Since being founded in 2009, Andy Baxter Bass has quickly established a name as the best place to shop for basses in Greater London, bar none. A reputable and knowledgeable dealer of vintage and new basses, we offer the complete variety of brands, including Fender, Gibson, Rickenbacker, and Music Man, and the best prices in every price category. Vintage bass guitars with a high degree of character and investment value are our specialty. We work with musicians, collectors and dealers around the globe, and offer quick delivery worldwide.

Have a look around the website often, as our inventory of basses changes regularly. Chances are, you’ll find what you need. If you don’t, contact us and using our free guitar-finding service we will track down your heart’s desire, send you pictures with detailed description and personally have the instrument checked out for you.

We look forward to finding you the perfect bass.

What next...

If you are happy to buy over the internet, I will send you as much information about the bass guitar you're interested in as I can, and if you require more high resolution photos dont hesitate to ask.

You can always make an appointment with me and come and try some of the Bass guitars out first. I will consider part exchange, if it makes your desired bass a little easier to afford.

Payment Options

UK & International Customers

  • Credit/Debit Card  
  • Cash
  • Certified check / bank check
  • Bank transfer
  • PayPal
  • Payment by instalments

Installments / Layaway policy / Deposits 

Payments are to be made on the dates agreed. If the customer fails to do so or pulls out of an agreed deal after 1 month has elapsed from the date of the first payment, 10% of the agreed sale price is non refundable. A further 10% will be added each consecutive month thereafter. Within the first month a 5% fee is applied. Andy Baxter Bass has the right to withdraw from any agreement and re list the item if payments are not made on the agreed dates.  A 10% non refundable deposit will hold any guitar for 30 days. With installment / layaway / deposit agreements all sales are final, no returns, no refunds and no exceptions. 

VAT/Duty/Customs Charges

Payable by consignee upon receipt of goods. We are not responsible for VAT, duty or customs charges.


Shipping costs are in addition to the cost of your guitars or merchandise. ( unless otherwise stated) If you prefer, you can arrange shipping via your own preferred carrier. Shipping charges paid by Andy Baxter Bass & Guitars Ltd are non-refundable.


Merchandise is sold as is. Please ask all questions, view all pictures etc, before purchasing. We do not negotiate price after the sale. No exceptions. Just the same, if you find out that the guitar or gear doesn’t work for you, you can return it within 48 hours. Please call or email for return authorization before shipping any merchandise back. Returned merchandise must be shipped fully insured at the customer’s cost and in it’s original condition. Upon receipt of the merchandise, a refund (less shipping and any other applicable fees) will be issued within 48 hours, subject to a 5% restocking fee.  The restocking fees will be waived if the instrument is damaged. ALL dealers will be charged restocking fee on returns for any reason due the the common practice of reselling. Special orders are not returnable. Amplification sent overseas is not returnable under any circumstaces unless damaged upon arrival.

International Returns 

Email or call for return authorization and instructions on where and how to ship the merchandise. 


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