Jupiter Yellow Vintage 1960's Style Tone Capacitors Aluminum Foil Mylar. Modeled after the Yellow Astron and Blue Molded capacitors used in American amplifiers of the 50�s and 60�s. Made in the USA of US-made materials. Tone: Very Creamy Break-up. Construction: Polyester/Aluminum Foil/Tape Wrap Tolerance: �10% Operating temperature: -55C - 85C, derate 50% at 125C. Leads: 20awg Tinned Copper RoHS Compliant Application: Guitar Amplifier, Guitar Tone Control, Vintage Electronics