Vintage Knight-Branded 12AT7 / ECC81 Preamp Tube – Mullard Made – Tests Strong – UK

Up for sale is a vintage Knight-branded 12AT7 (ECC81) preamp tube manufactured by the legendary Mullard factory in Great Britain. This tube tests strong and is ready for years of continued service.

Many Knight-branded tubes were sourced from some of the finest tube manufacturers in the world, and this example was made by Mullard, one of the most respected names in vintage audio. Mullard 12AT7s are prized for their smooth top end, rich harmonic content, low noise, and exceptional reliability, making them a favorite for guitar amplifiers, hi-fi systems, studio equipment, and vintage audio restorations.

Features:

• Genuine vintage Knight-branded 12AT7 / ECC81
• Manufactured by Mullard in Great Britain
• Tests strong
• Warm, detailed British tone
• Excellent gain balance and clarity
• Ideal for guitar amps, hi-fi gear, and recording equipment
• Highly sought-after vintage Mullard construction

This tube has been tested and performs well with strong readings.

Whether you're replacing a worn tube or searching for authentic vintage Mullard tone without paying for a Mullard-labeled example, this is an excellent opportunity to add a premium British-made tube to your collection.

Please review photos for cosmetic condition and check out my other listings for more vintage USA and European tubes, amplifiers, and musical equipment.

Carefully packed and shipped for safe arrival. Thanks for looking!