Up for auction is a Heathkit AA-100 Audio Output Transformer. This transformer has a 6.5K C.T. Primary and a Secondary with 4, 8, and 16 ohm taps. I purchased this transformer years ago on eBay, but n

 

a pair of vintage late 70's model AR 4X speakers that work really well . there are scratches on side of one cabinet . the last photo show is of the really scratched side of speaker . the rest of the s

 

Here is a great tested 15" CERWIN VEGA 400 WATT WOOFER, will also fit AT-15. I installed it in my D-9's for testing, and it sounded great. Foam is in great shape, along with the voice coil, cone and g

 

Absolute rarity - really "high end" from year 1955 - quadro cinema tube amplifier 4 x 25 Watt / 200 Ohm / 15 Ohm respectively 2 x 50 Watt / 100 Ohm / 8 Ohm Amplifiers this type were produced by Rohde

 

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One Awesome KEN-RAD VT-231 6SN7GT Black Glass Tube Match TV-7D/U Reading - 104/98; Min - 50/50 Made in USA by KEN-RAD You are bidding on One Awesome KEN-RAD VT-231 6SN7GT Black Glass Tube in excellent

 

three vintage calculators, 1: avstar jeppesen sanderson with manual and in case, 2: national semiconductor 4640, with manual and case. 3:texas indturments TI business analyst-1 with manual and case. I

 

Factory assembled. Works beautifully. I am not sure the attenuation knob on the end is factory. At one time someone poorly mounted some RCA jacks on the housing so there light damage to the metal scre

 

Tested with Funke W19S150/150mA130/135mAgood start by 70mA working guaranteeno Box 1 base fixed with glueplease make fair feedbacklook at the poststamp when i have send not when you received from your

 

*************************************************************************** This auction includes a vintage Knight model KN-702 vacuum tube reverb amplifier in good working condition. Own this Knight