General Features:
ClassicTone Part Number 40-18061
CLASSICTONE #               TYPE                                   REFERENCE #
40-18061                          Output, 35W - 8 Ohm         3778, T-3778, E-3778A, 340-8 & 340-3778

Amps Used In: Valco* 6420B,
                               Valco* "Gretsch" G6157 & G6166 Fury,
                               Valco* "Airline" 62-9020A, GIM-9151A , GVC-9027A,
                               Valco* "Supro" S6420 Thunderbolt, S6699 Statesman, S6625 

Description: This is the original output transformer for the famous and legendary Supro Thunderbolt amplifier! This is hot off our assembly lines again after more than 40 years. We were the main original transformer supplier for Valco from 1950 to 1965, therefore this is a true Magnetic Components, Inc. vintage original transformer. We are proud to bring these to you again. Made according to our original specifications we just recently found in our engineering archives. This is a great vintage era type constructed, paper layer wound output transformer! 

See Specifications for details!

Series: Vintage    
Note: These are reference numbers only.
See specifications for details.
Vintage Constructed Amplifier Transformers by Magnetic Components, Inc.
Part Number 40-18061
Valco Style: 35W Output Transformer, 8 Ohms 
Power Transformers
Output Transformers
40-18060 (117V, "Supro Thunderbolt" S6420 Style PT)
40-18061 (5K - 8 Ohm, "Supro Thunderbolt" S6420 Style OT)
Other Related ClassicTone Offerings to Part Number 40-18061:
Pricing For Consumers, Small Builders & Small Resellers:
(From our exclusive ClassicTone Distributors. For orders of 1, 5 and 10 pieces per item)
Order Here
Pricing For Established Larger Amp Manufacturers & Larger Resellers:
(From us at ClassicTone at our great manufacturer's direct pricing. For direct orders of 12 pieces minimum & 18 pieces or more per item)
1 piece @ $64.81 each
12 pieces @ $48.01 each

18 pieces @ $43.40 each

Would you like to order more than 18 pieces?
Please send us an email and supply us with this part number and the quantity that you would like to order. We will send you a new order form with the totals for that amount.
Order Here
Order Here
Order Here
Amp Parts Direct
Not all distributors or resellers are alike! Many offer various other brands besides ClassicTone. Beware of these substitutes! These may be substandard products that are not true replacements, use inferior construction methods and materials and lack the great features and pricing of our ClassicTone transformers.  We are proud to announce Amp Parts Direct and Triode USA exclusively features our great product line!
*Disclaimer: Magnetic Components, Inc. is not affiliated with Fender Musical Instruments Corp., Marshall Amplification, Vox Amplification, Ltd., Leslie & Valco 
**All of the above listed amplifier models are trademarks of Fender Musical Instrument Corp., Marshall Amplification, Vox Amplification Ltd., Hammond Suzuki     USA, Ltd. (Leslie)  & Eastwood Guitars (Valco)
ClassicTone is a registered trademark of Magnetic Components, Inc. 
Copyright 2009-2019 Magnetic Components, Inc. All Rights Reserved.
Triode USA
WARNING: Transformers should always be installed by a professional electronics technician since there are high voltages involved and may result in serious physical harm to yourself, the transformer and/or your equipment if installed incorrectly. 
Our Exclusive, Full Line, World Wide Distributors
Paper layer wound like the vintage era originals!
Made in USA by us at Magnetic Components, Inc.
Made with premium materials
Features custom, solventless, varnish for vintage look and high performance
Proper raised mountings / No chassis modification required on most
Made with pre-tinned "Topcoat" PVC appliance wire for ease of soldering
RoHS Compliant
ClassicTone Series: Vintage, Plus & Custom