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CanAm Man 1st September 2013 10:25 PM

Another Pass "reproduction" on Ebay
F5 Amplifier | eBay

'Sure would be nice, to stop these folks....! I've already notified eBay regarding infringements and intellectual property concerns.

If you can't open the eBay site, a partial extract follows:

Its a great news I sold so many refurbished amplifiers with good client relationship so many ppl said thanks. Of course couple of un happy No worries. Thanks a lot for all good and bad feedback. So thought to do a new thing. To assemble well famous MR NELSON PASS DESIGNED F5 Amplifier.

Couple of my best clients requested to assemble this because these amplifier is on of the best CLASS A and they have paid around 1000USD to get one. What I use
1.Two high quality 300VA Toroid transformers.
2.Eight PANASONIC 10000UF 35V quality capacitors per each channel.
4.Italian made high quality box.
5.Special Speaker protection design for class A amplifiers.
6.Quality speaker terminals and Rc terminals.
7.Resistors all UK made 1% resistors
7.The PCB original DIY audio from USA,

The picture shows the standard version . The next version is with VU meters with back light.
Also Attenuator to control audio level

More information-

CanAm Man 1st September 2013 10:46 PM

The Ebay link might not work. If not, go to eBay and do a search on "Pass Labs". The rip-off is being offered by RFW Radio (RFWA1 eBay name) from Australia.

(I hope he's not a friend of yours, Mellon Head..... :)

Triodethom 2nd September 2013 02:50 AM

Looked at the ad it appears he built some amps with diyaudio store boards . So it a some what grey market piece to me . But it states so however there are 5 or more for sale !

AudioSan 2nd September 2013 08:34 AM

this e-bay listing has come up before.

6L6 2nd September 2013 06:14 PM

Probably related to this charlatan - (or perhaps the same guy...)

NELSON PASS DESIGNED F5 AMPLIFIER. | Audio | Gumtree Australia Stirling Area - Westminster | 1001730956

Antoinel 2nd September 2013 06:21 PM


Originally Posted by 6L6 (

The text has several words which are not spelled correctly.

AudioSan 2nd September 2013 09:34 PM


Originally Posted by 6L6 (

yes. thats the same guy. just way higher price:D

CanAm Man 2nd September 2013 11:09 PM

And so, I sent an eBay message to the gent selling the "home-made" "First Watt F5" on eBay. Here's what I typed:

From: canamman00
To: rfwa1
Subject: Other: canamman00 sent a message about F5 AMPLIFIER #271205898255
Sent Date: Sep-01-13 15:40:03 PDT

Dear rfwa1,Aren't you--and your prospective buyers--concerned about copywrite and trademark infringements, and intellectual property violations, regarding your marketing of Nelson Pass DIY and First Watt designs? My understanding is Mr. Pass (and First Watt) expressly have made their designs available to those making these amps for their own personal enjoyment, and not for commerical resale. "

And here was his "not so fair dinkum" response:

" Dear canamman00,

Mr Keep ur understanding and Imagination in ur brain. I use DIY original PCB and all as genuine just help to ppl who can not build amplifiers. and I do this as a hobby and not to **** live on this since I am an Radio communication Engineer in mining industry I have enough income to have luxury life. Dont waste ur time mind own bsns.- rfwa1 "


(Isn't this gent a great representative of the audio DIY community, and Pass designs?)


Nelson Pass 2nd September 2013 11:48 PM


Originally Posted by CanAm Man (
Isn't this gent a great representative of the audio DIY community

The rewards of addressing the large numbers of really great people in this
endeavor far outweigh the few negative examples.


12B4A 2nd September 2013 11:48 PM

Who or what is this "ur" he keeps talking about?

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