KT88 AMPLIFIER This diy audio project is a single ended (SE) KT88 tube amplifier. The design has been based largely around Mikael Abdellah’s KT88 SE Tube Amplifier design from 2003. A schematic of the single ended KT88 amp that I have built is shown below in Figure 01. Figure 01: KT88 Tube Amplifier Schematic The […]

6A3

July 6, 2008 | 1 Comment

Welcome to Vintage Stereo Equipment and thank you patronzing our site. This page will show you listings for the 6A3 vacuum tube. The 6A3 is a great vacuum tube for your new or vintage tube equipment. Please check our other vacuum tube listings in the menu at the side of this listing. You can also […]

300B

July 6, 2008 | Leave a Comment

In the last two years, the available choices in 300B output tubes for one’s low-wattage single-ended power amplifier have become an embarrassment of riches. If we include the souped-up versions—which, in fact, deviate from the original 1930s Western Electric (WE) specifications—the number of 300Bs to choose from now includes about 15 different brands and types. […]

211/845

July 6, 2008 | Leave a Comment

Welcome to Vintage Stereo Equipment and thank you patronzing our site. This page will show you listings for the 211 AKA the 845 vacuum tube. The 211 is a great vacuum tube for your new or vintage tube equipment. Please check our other vacuum tube listings in the menu at the side of this listing. […]

5U4

July 6, 2008 | Leave a Comment

Welcome to Vintage Stereo Equipment and thank you patronzing our site. This page will show you listings for the 5U4 vacuum tube. The 5U4 is a great vacuum tube for your new or vintage tube equipment. Please check our other vacuum tube listings in the menu at the side of this listing. You can also […]

5Y3/5Z3

July 6, 2008 | Leave a Comment

Welcome to Vintage Stereo Equipment and thank you patronzing our site. This page will show you listings for the 5y3 AKA 5Z3 vacuum tube. The 5Y3 is a great vacuum tube for your new or vintage tube equipment. Please check our other vacuum tube listings in the menu at the side of this listing. You […]

5AR4/GZ34

July 6, 2008 | Leave a Comment

Welcome to Vintage Stereo Equipment and thank you patronzing our site. This page will show you listings for the 5AR4/GZ34 vacuum tube. The 5AR4 is a great vacuum tube for your new or vintage tube equipment. Please check our other vacuum tube listings in the menu at the side of this listing. You can also […]

7199

July 6, 2008 | Leave a Comment

Welcome to Vintage Stereo Equipment and thank you patronzing our site. This page will show you listings for the 7199 vacuum tube. The 7199 is a great vacuum tube for your new or vintage tube equipment. Please check our other vacuum tube listings in the menu at the side of this listing. You can also […]

6SL7

July 6, 2008 | Leave a Comment

The 6SL7 is a high-mu twin triode in an octal based glass package. To my knowledge, there were not any metal shell versions made. Each triode section operates as a class-A amplifier. This tube has much higher mu than it’s cousin, the 6SN7. It’s factor is 70, whereas the 6SN7 is only 20, therefore these […]

6SN7

July 6, 2008 | Leave a Comment

The 6SN7 tube is a medium-mu twin triode in an octal based package, usually glass, although some metal envelope types were made. In normal use it operates as a class A amplifier. It was widely used in the early days of television as the vertical amplifier, and it’s use was so common in most TV […]

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