40 years old and still going, this is the one with the metal front and in very good condition for age. Around 150 watts from 8 watts in, I’ve never over driven them with twin fans (cheap)which are wired to switch but do the job. Preamp works to.Cheers
eBay
PA100 100W 3-30Mhz Shortwave Power Amplifier HF Amplifier RF for X5105 G90S ShortWave Radio Station HF transceiver
Aliexpress UK
ANDELI 250amp AC DC Pulse TIG Welder Inverter Aluminium Welding Machine + Pedal. ANDELI 250amp AC DC Inverter TIG Welder/Pulse TIG/MMA Aluminium Welding Machine. ANDELI 250amp HF DC Inverter TIG Welder/PULSE TIG/MMA 3 IN 1 Welding Machine.
eBay
3-28MHz 30W RF Power Amplifier Board, HF Linear AMP For SSB CW Ham Radio,7/13.56MHz RFID Shortwave Station,45dBm HF Signal Boost
Aliexpress UK
【HF TOUCH CUTTING 】: This 220v plasma cutter machine uses simple touch cutting torch, and keep high efficient cutting mode. Plug: 3 pin standard uk plug.
eBay
PA100 100W 3.5M-30MHz QRP HF Power Amplifier Shortwave Radio Linear Power Amplifier
Aliexpress UK
ANDELI PLASMA CUTTER/TIG/MMA 3 IN 1, PLASMA CUTTER/MMA 2 IN 1 DC INVERTER WELDER. ANDELI 45A Plasma Cutter 250A MMA/ARC/Stick DC Welder 2 in 1 Inverter Machine. ANDELI PLASMA CUTTER/TIG/MMA DC Inverter Welder Cutting Welding Machine 2T/4T HF.
eBay
Assembled NEW MiniPA100 MiNi 100W HF Power Amplifier Shortwave Power Amplifier For FT-817 ICOM IC-703 Elecraft KX3 QRP PTT
Aliexpress UK
50W HF Amplifier with TX/RX 3-24MHz High-frequency Power Amplifier 13.8V for USDX FT-817 dotcom IC-703 IC-705 IC705 Elecraft KX3 QRP FT-81. Output power: 50W. Model Number: HF Power Amplifier. Size: The size of the power amplifier is about 150 50mm, which is small and portable.
eBay
TZT HamGeek Micro PA100 100W 3.5MHz-30MHz QRP HF Power Amplifier Shortwave Radio Linear Power Amplifier
Aliexpress UK
THIS SALE IS FOR A LM4562NA. OP AMP AUDIO DUAL HF.
eBay
150W MX-P50M QRP HF Power Amplifier for ICOM IC-705 YAESU FT-818ND ELECRAFT KX2 KX3 SUNSDR2 PRO
Aliexpress UK
Neon on/off indicator.
eBay
New Micro PA50 PA50-3 50W 3.5MHz-28.5MHz Intelligent Shortwave HF Power Amplifier Power / SWR Meter + LPF Filter For Radio
Aliexpress UK
Powerful Cutting Performance : With advanced IGBT inverter technology, 50/60Hz high frequency, 60% duty cycle. 12mm ideal clean cut and 21mm maximum severance cut under 220V, 8mm ideal clean cut and 10mm maximum severance cut under 110V.
eBay
45W 70W SSB Linear HF Power Amplifier 3.5-30Mhz DIY Kits For YAESU FT-817 KX3 SMD Part Soldered Radio Transceiver Speaker Module
Aliexpress UK