Search found 17 matches

by Dave Cawley
Sat Jun 01, 2019 7:45 am
Forum: Admin-Intro-Chitchat
Topic: Richard Dunn
Replies: 117
Views: 83600

Re: Richard Dunn

.
How terribly sad................

Richard and I often completely disagreed but we also had many things in common.

What is so sad is that he didn't have a final rant, he wasn't able to say goodbye and that we were not able to say goodbye to Richard.

R.I.P Richard
by Dave Cawley
Tue Jan 24, 2017 3:14 pm
Forum: General Audio
Topic: Chapter and Verse on Valves
Replies: 29
Views: 8558

Re: Chapter and Verse on Valves

Lurcher300b wrote:For the classes to have meaning it must relate to full power condition.
Exactly, and hence it's Class AB and not Class A, this is fundamental and thanks for the results.
by Dave Cawley
Tue Jan 24, 2017 1:25 pm
Forum: General Audio
Topic: Chapter and Verse on Valves
Replies: 29
Views: 8558

Re: Chapter and Verse on Valves

Fascinating, so in my book that is truly Class AB and not Class A at all !
by Dave Cawley
Tue Jan 24, 2017 11:18 am
Forum: General Audio
Topic: Chapter and Verse on Valves
Replies: 29
Views: 8558

Re: Chapter and Verse on Valves

Class C was a BTW, another time maybe, but fascinating, 807's and all that !!

But, the real question is
Dave Cawley wrote:
Lurcher300b wrote:you will find the total current doesn't change that much
Roughly how much ?
by Dave Cawley
Tue Jan 24, 2017 9:39 am
Forum: General Audio
Topic: Chapter and Verse on Valves
Replies: 29
Views: 8558

Re: Chapter and Verse on Valves

Lurcher300b wrote:you will find the total current doesn't change that much
Roughly how much ?

BTW I used Class C extensively in RF applications where it works well, probably the only place !
by Dave Cawley
Tue Jan 24, 2017 9:13 am
Forum: General Audio
Topic: Chapter and Verse on Valves
Replies: 29
Views: 8558

Re: Chapter and Verse on Valves

So with a push-pull valve amplifier, if you measure the total current drawn, with no output and then full out put, is there a difference ? (not a ~50:1 difference you would get in a Class AB transistor amp?) If not then surely that is Class A ? Or can the design be made Class A "or" Class ...
by Dave Cawley
Fri Jan 13, 2017 9:00 am
Forum: General Audio
Topic: The Hi-Fi Industry and Hobby
Replies: 173
Views: 55923

Re: The Hi-Fi Industry and Hobby

What figures would you like Richard ?
by Dave Cawley
Thu Jan 12, 2017 11:42 pm
Forum: General Audio
Topic: The Hi-Fi Industry and Hobby
Replies: 173
Views: 55923

Re: The Hi-Fi Industry and Hobby

DC is correct though, big business is not to be had through forums. Would be interested to hear of DC's " better ways of selling products " though. I did document it here recently (last page Mon Dec 26, 2016 12:10 am). However take a look at my eBay shop, the discounts that manufacturers ...
by Dave Cawley
Wed Jan 11, 2017 1:06 pm
Forum: General Audio
Topic: The Hi-Fi Industry and Hobby
Replies: 173
Views: 55923

Re: The Hi-Fi Industry and Hobby

Which all goes to prove my point that big business is not to be had from forums ? And there are better ways of selling products without the drama ?
by Dave Cawley
Mon Dec 26, 2016 10:30 am
Forum: General Audio
Topic: The Hi-Fi Industry and Hobby
Replies: 173
Views: 55923

Re: The Hi-Fi Industry and Hobby

. Hi Richard, OK I get that. I'm not just a dealer, I sometimes sort out other dealers turntable issues directly with the customers, yes I know.............. And "Timestep" manufactured products are sold directly via mail order all over the world, not through dealers, just like you, it's o...