1970s Marconi TF2175 RF Power Amplifier 

1970s Marconi TF2175 RF Power Amplifier. Made in the USA by Marconi Instruments Limited and supplied by Chilcom Electronics, Bucks, UK.

In fairly good cosmetic condition with surface blemishes commensurate with age and use. It still has an electrical safety test label attached from 1996! Although this device appears to be working, it is sold in accordance with our terms and conditions as a collectible and is untested.

Instructions are not provided but are available to download from the internet.

It is designed to amplify signals by 27dB in the frequency band 2 to 500 MHz.

Original Specification

• Marconi TF2175 RF Power Amplifier housed in an aluminium case
• Type No. 52175-900
• Serial No.: 391201/048
• Gain 27dB ± 1bB delivering up to 300W with a 50Ω load
• Power requirements: 115 V or 230 V a.c ± 12%, 50-400 Hz, 12W
• Frequency bandwidth range 2 to 500 MHz

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