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Search: Posts Made By: Paul Barker
Forum: WAD General 3rd January 2012, 05:46 PM
Replies: 75
Views: 17,868
Posted By Paul Barker
Re: KEL34: A ressurrection! A Tale of an Amp kit and 2 Philips...

Dave does this forum not allow you to embed photos? would make reading ghe thread a lot easier.

The thing was a bit rough.
Forum: General 3rd July 2008, 10:05 PM
Replies: 8
Views: 1,707
Posted By Paul Barker
Re: OT- question for the self-employed

No need for chartered accountant nowadays

difficult to borrow money though I managed to get £2000 card limit by personally guaranteeing it

main advantage is to overcome the tax rules about...
Forum: General 3rd July 2008, 09:53 PM
Replies: 18
Views: 2,845
Posted By Paul Barker
Re: B+ ?

(B)attery +
Forum: Amplifiers 27th June 2008, 06:47 PM
Replies: 2
Views: 1,381
Posted By Paul Barker
Re: formulating theory

add inverted operation to you your list

Steve Bench as ever.
Forum: Sources 18th April 2008, 12:59 PM
Replies: 2
Views: 1,678
Posted By Paul Barker
Re: Oh dear!

So from the original garrard looks like maybe all you get is a bearing.
Forum: General 9th April 2008, 09:49 PM
Replies: 9
Views: 2,770
Posted By Paul Barker
Re: Sumiko Blue Point Special...

Sorry to report that the bps I had left no emotional memory. the person who bought it from me was happy to take it after hearing.

I can't recommend a mc cart which doesn't require a transformer.
...
Forum: WD Amplifiers 5th April 2008, 11:45 AM
Replies: 14
Views: 10,601
Posted By Paul Barker
Re: 845s or GM-70 amp.

I am struggling to get my head around this, but I think that you are saying this is a single ended output transformer, in which you must use two output valves with balanced current, one to pull...
Forum: WD Amplifiers 29th March 2008, 06:13 PM
Replies: 14
Views: 10,601
Posted By Paul Barker
Re: 845s or GM-70 amp.

If you read RCA manual it recommends a 100 ohm resistor on the anode or the two transmitting valves oscilate to one another. There have always been a lot of oponents of parallel output stages. The...
Forum: Sources 24th March 2008, 07:58 AM
Replies: 7
Views: 2,308
Posted By Paul Barker
Re: Contemplating a return to vinyl

I would stick with CD if I were you, leave the remaining vinyl stocks for the idiots who think they know it all.
Forum: General 1st March 2008, 08:10 AM
Replies: 2
Views: 1,503
Posted By Paul Barker
Re: mains supply

Next time you get him back you'll find the bill gets bigger under the new regs, though I don't learn them properly myself until April I do know that many seperate rcbo circuits are now preferred....
Forum: Sources 1st March 2008, 07:35 AM
Replies: 18
Views: 4,774
Posted By Paul Barker
Re: Benz Micro prices

Regarding the currency economics.

I have totally forgotten it all now and shan't google search it to appear clever, so conversationally not factually, in the '70s when I read Economics there was...
Forum: General 12th February 2008, 09:10 PM
Replies: 38
Views: 9,537
Posted By Paul Barker
Re: Ultrasonic Record Cleaner

You can put me down.

Paul
Forum: General 11th February 2008, 08:58 PM
Replies: 30
Views: 4,811
Posted By Paul Barker
Re: PayPal ?

What seems to happen to me is that if I have enough cleared funds in paypal the seller is told it is cleared, but if it has to be deducted from my card they are told that it is uncleared.

On these...
Forum: Amplifiers 8th February 2008, 08:08 PM
Replies: 16
Views: 3,977
Posted By Paul Barker
Re: Coupling cap values?

Can't see a problem, probably won't sound any different.

Only proviso with multistage amps and feedback larger coupling caps predispose motorboating if other conditions are slack (adequate power...
Forum: Amplifiers 7th February 2008, 05:30 PM
Replies: 12
Views: 2,545
Posted By Paul Barker
Re: Could be a daft question...but what the hell

Not my idea please, I have never heard them, but Peter rates them above 5687, and he's the one who intruduced the 5687 to audio.
Forum: General 7th February 2008, 03:03 PM
Replies: 11
Views: 2,539
Posted By Paul Barker
Re: Speaker Load and Taps

Of course you get phase shift with cheap output transformers long before but combined with early -3db roll off. Just to compound the problem.
Forum: Music 7th February 2008, 02:59 PM
Replies: 4
Views: 2,297
Posted By Paul Barker
Re: Try this

But what a way to go?
Forum: Amplifiers 7th February 2008, 02:52 PM
Replies: 12
Views: 2,545
Posted By Paul Barker
Re: Could be a daft question...but what the hell

I've told Mike via PM

6463 and equivalents ECC86, CC86E, and 6GM8

Its taller envelope 60mm instead of 49mm

Run at 250v compare the 5687 at 12.5 ma gives mu of 16.5 ri 3k to the 6463 at...
Forum: Sources 7th February 2008, 02:02 PM
Replies: 20
Views: 4,158
Posted By Paul Barker
Re: JVC QL70 with Mayware formular4

mine too is cracked in same way, might be they all are.
Forum: Amplifiers 7th February 2008, 08:39 AM
Replies: 12
Views: 2,545
Posted By Paul Barker
Re: Could be a daft question...but what the hell

Actually there is another Gem which Peter Qvortrup bought vertually every one ever made of. I tried geting some off eBay a few years ago but Peter outbid me on every one.

Wander if anyone knows...
Forum: General 6th February 2008, 01:10 PM
Replies: 6
Views: 1,447
Posted By Paul Barker
Re: e-bay feedback.

Thats great I have always said that once the buyer has paid feedback should be left for him as his part of the bargain is met. The possibilty of retaliatory bad feedback makes buyers give falsely...
Forum: Problems 4th February 2008, 07:12 PM
Replies: 42
Views: 7,507
Posted By Paul Barker
Re: Phono3S hum

If you want pedantic you want to follow Agile on plumbing forums, Greg is a pussy cat.

I suspect Agile has Asperges.
Forum: General 3rd February 2008, 10:22 PM
Replies: 11
Views: 2,539
Posted By Paul Barker
Re: Speaker Load and Taps

Damping factor is complexed but in valve amps it is usually poor, to improve it people use feedback.

The purpose of a good damping factor is to prevent unstable loudspekaer loads from affecting...
Forum: Sources 2nd February 2008, 08:16 AM
Replies: 22
Views: 7,423
Posted By Paul Barker
Re: wooden tonearms

I agree Francoise, he has misunderstood a potential market. He insinuates you can't hear differences in wood or arm length, but expects you to pay fairly good money for something he knocked up in his...
Forum: Amplifiers 31st January 2008, 08:27 PM
Replies: 10
Views: 2,598
Posted By Paul Barker
Re: My new toy

I didn't think he was joking but I was going to stay out of it, thinking he was happy and confident in his view so let it be.

I think the problem is that people like you and me are so bad at...
Showing results 1 to 25 of 1661

 
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