[Amps] Modifying Acom 1000 for a different tube

Alek Petkovic vk6apk at bigpond.com
Sun Jan 13 05:01:12 EST 2013

At $100.00 - $120.00 a pop from Dr Alex, they are still dirt cheap.


Get yourself 10 of them now, while you can and don't worry about 
shrinking supplies down the track.


Send the amplifier to me and let me do the worrying for you.

73, Alek.

On 12/01/2013 1:23 AM, krishna kanakasapapathi wrote:
> With the price of the GU-74b's going up and the supply shrinking and 
> is almost turning out to become
> yet another 3cx800, i have the following questions
> a) What would be a good tube to replace the 4cx800/GU-74b in an Acom 
> 1000?
> b) Minimal retrofit/gut down work
> c) Assuming the retrofit would be compatible to let Acom put out a new 
> firmware
> I guess selling retrofit kits would ensure
> a) Acom generates some revenue or is a parallel value chain
> b)Builds confidence among its customers
> c)Keeps the resale price of the Acom's stable over time.
> Any thoughts?
> 73s
> krish
> w4vku
> _______________________________________________
> Amps mailing list
> Amps at contesting.com
> http://lists.contesting.com/mailman/listinfo/amps

 From sunny Binningup, Western Australia.

Family Businesses:
Petkovic Air&  Gas. petkovicag at bigpond.com
SP Electrical. www.spelectrical.net.au
Hampers by Hand. www.facebook.com/hampersbyhand


Email scanned by PC Tools - No viruses or spyware found.
(Email Guard:, Virus/Spyware Database: 6.20960)

More information about the Amps mailing list