The Amp is a beast very heavy, it is based on the KT88 Tube and had 2 of them in it when found but has 4 Kt88 sockets. We are NOT including the KT88 tubes, all other tubes are included as shown.

Vtg ELECTRONIC ENGINEERING CO. MODEL LR-1 TUBE 10 meter AMPLIFIER (28-29.7 MHz). The unit powers on, tubes light up and start heating up until it shuts off. Signs of wear, including scuffs and scratches are visible on the unit’s body. No other parts/accessories included. The Electronic Engineering Co. The Model LR-1 was a tube-based linear amplifier designed to operate on the 10 meter amateur radio band (28-29.7 MHz). The LR-1 was a popular amplifier among amateur radio operators during its time and is still used by some today. However, due to its age and use of vacuum tubes, it may require periodic maintenance and repairs by a knowledgeable technician. Overall, the Electronic Engineering Co. Model LR-1 tube 10 meter amplifier was a well-designed and reliable piece of amateur radio equipment, and it played a significant role in the development of the hobby during the mid-20th century. Please don’t hesitate to ask for any further information and send in your best offer. For more details, please refer the photos included with the listing.

THIS ITEM WAS NEVER PRODUCED FOR SALE AND WAS ONLY USED BY THE ENGINEERS AT TEKTRONIX. HOWEVER, THIS IS THE IDEAL POWER SUPPLY FOR SOMEONE WANTING TO DESIGN AND OR REPAIR AUDIO TUBE AMPLIFIERS! The item “RARE VINTAGE TEKTRONIX ENGINEERING POWER SUPPLY TUBE AMP BUILD DESIGN AMPLIFIER” is in sale since Thursday, February 08, 2018. This item is in the category “Business & Industrial\Electrical & Test Equipment\Test, Measurement & Inspection\Signal Sources & Conditioning\Adjustable Power Supplies”. The seller is “fli-fisher” and is located in Ridgefield, Washington. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Israel, Mexico, New Zealand, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Chile, Colombia, Costa rica, Panama, Trinidad and tobago, Guatemala, Honduras, Jamaica, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Ecuador, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman islands, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Pakistan, Paraguay, Reunion.

• Brand: Tektronix
• MPN: Does Not Apply
• Country/Region of Manufacture: United States