[UK-CONTEST] Amplifier Advice Please.

Chris Tran GM3WOJ zl1ct1 at gm7v.com
Thu Jan 19 12:48:14 PST 2012


Hello Brian

I think you would be wise to steer clear of both the ALS1300 and the 
Heatherlite.

>From the reviews on eHam, the protection of the MOSFETs in the ALS1300 seems 
poor - this is a crucial failing which also seems to plague 'Expert' 
amplifiers. Any protection circuitry in a solid-state amp has to be 
super-fast, or intelligent enough to back things off long before the devices 
are damaged.  Tokyo Hi-Power amps are very well designed in this respect.

All Heatherlite amps are/were poor - a hotch potch of R.S. Components - 
badly designed and badly constructed.

In your situation I would try getting hold of a valve amplifier - something 
like an Alpha 91B will last a long time.  There is quite a wide choice in 
this type of amp.

73
Chris
GM3WOJ /  ZL1CT 



More information about the UK-Contest mailing list