On the club net last night, Les VK3TEX and Rob VK3ECH mentioned changing over to Noctua fans, so here is the detail kindly provided by Les VK3TEX
For the ICOM 780 Les used the NF-A9 PWM 92mm model
And for the IC 2KL Icom Amp, the NF-A12x25 FLX
For those interested, Scorptec carry Noctua https://www.scorptec.com.au/product/cooling/fans?page=1
For the ICOM 780 Les used the NF-A9 PWM 92mm model
And for the IC 2KL Icom Amp, the NF-A12x25 FLX
For those interested, Scorptec carry Noctua https://www.scorptec.com.au/product/cooling/fans?page=1