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Search: Posts Made By: pre65
Forum: The Coffee Bar 23rd October 2019, 12:42 PM
Replies: 1
Views: 163
Posted By pre65
Push pull amps.

I had a short listening session with a World Designs 6550 push pull amp the other day, and I was pleasantly surprised at the "fullness" of the presentation.

So, today I am reacquainting myself...
Forum: WAD Problems 20th October 2019, 02:26 PM
Replies: 28
Views: 2,513
Posted By pre65
Forum: WAD Problems 20th October 2019, 11:53 AM
Replies: 28
Views: 2,513
Posted By pre65
Re: KiT/KaT6550 and fuse blowing inrush current

Anyone here can help me with the allen key size for the grub screw on the big chrome knobs ?

I thought I'd got one somewhere but the little blighter is in hiding.:D
Forum: News 12th September 2019, 09:36 AM
Replies: 9
Views: 617
Posted By pre65
Re: Is there anybody out there?

Me ?

Last time I looked in the mirror I was still there.:)
Forum: WAD Problems 9th September 2019, 09:39 PM
Replies: 28
Views: 2,513
Posted By pre65
Forum: WAD Problems 9th September 2019, 02:38 PM
Replies: 28
Views: 2,513
Posted By pre65
Re: KiT/KaT6550 and fuse blowing inrush current

On the Kit 6550 amp I am working on the 6550 cathode resistors are 560R, but the parts list says they should be 500R.

That's R35/36/37/38.

Was that a period modification ?
Forum: WAD Problems 2nd September 2019, 07:58 PM
Replies: 28
Views: 2,513
Posted By pre65
Re: KiT/KaT6550 and fuse blowing inrush current

Thanks Richard.

Greg has kindly sent me the literature for me to refer to.
Forum: WAD Problems 2nd September 2019, 01:48 PM
Replies: 28
Views: 2,513
Posted By pre65
Re: KiT/KaT6550 and fuse blowing inrush current

I'm expecting a Kit6550 for examination and repair and have two questions.

Has anyone here ever checked if the anode / transformer resistance of the dual rectifiers is as per data sheet ? Should...
Forum: For Sale 30th August 2019, 10:29 AM
Replies: 6
Views: 439
Posted By pre65
Re: WD25t drive units and crossovers

I've sent you a PM (private message).

Philip.
Forum: The Coffee Bar 7th May 2019, 09:33 AM
Replies: 86
Views: 17,813
Posted By pre65
Re: Railway Steam Engines’

I went past you a few weeks ago on a train trip from Low Moor (Bradford) to Carlisle.

I did wave.:D
Forum: The Coffee Bar 6th May 2019, 11:38 AM
Replies: 86
Views: 17,813
Posted By pre65
Re: Railway Steam Engines’

Tornado is the name you were looking for Colin.
Forum: The Coffee Bar 18th April 2019, 09:37 AM
Replies: 18
Views: 1,544
Posted By pre65
Forum: The Coffee Bar 9th April 2019, 09:41 AM
Replies: 18
Views: 1,544
Posted By pre65
Re: How is everyone’s hearing?

My ringing is in stereo. (both ears).

Most of the time I hardly notice it, but now, just thinking about it, the "volume" sounds louder.
Forum: WD Amplifiers 29th March 2019, 02:02 PM
Replies: 7
Views: 1,005
Posted By pre65
Re: WD Pre 4

I was not sure either, so I looked it up.:rolleyes:

http://www.world-designs.co.uk/pre%20amps.htm
Forum: WD Other Parts and Projects 22nd March 2019, 06:23 PM
Replies: 18
Views: 7,208
Posted By pre65
Re: Musical Fidelity A100

I totally understand Bob.:thumbsup:
Forum: WD Other Parts and Projects 22nd March 2019, 01:58 PM
Replies: 18
Views: 7,208
Posted By pre65
Re: Musical Fidelity A100

No problems Bob.

Just seems a shame it may never get used again.

PS I was not expecting you to give it away.
Forum: WD Other Parts and Projects 22nd March 2019, 10:43 AM
Replies: 18
Views: 7,208
Posted By pre65
Re: Musical Fidelity A100

I'd take it off your hands if you've got no further use for it ?:)

I'll have to check the dimensions and see if it would fit in the BMW top box.:D
Forum: WD Other Parts and Projects 22nd March 2019, 12:45 AM
Replies: 18
Views: 7,208
Posted By pre65
Re: Musical Fidelity A100

I was looking for info on a non working A100 amp, and came across this thread.

Is it still in your loft Bob ?:D
Forum: WD Amplifiers 3rd January 2019, 12:37 AM
Replies: 27
Views: 8,730
Posted By pre65
Re: Pre3 problems.

Thanks Bob.:thumbsup:
Forum: Sources 3rd January 2019, 12:36 AM
Replies: 21
Views: 1,137
Posted By pre65
Re: Squeezer 1.5.1 App on Android 8

It has been said that the SB Touch is old hat these days with all the Raspberry Pi and DAC variations, but I still like my Touch.:thumbsup:

I now use a Beresford Caimen SEG DAC.
Forum: WD Amplifiers 1st January 2019, 03:25 PM
Replies: 27
Views: 8,730
Posted By pre65
Re: Pre3 problems.

Can anyone remind me what valves the Pre3 uses please ?

The old ones look like they may be ECC82.
Forum: The Coffee Bar 4th November 2018, 12:05 PM
Replies: 4
Views: 1,101
Posted By pre65
Re: Dvd players

Hi Baggo.:)

My current DVD player (some years old now) was was supplied as region 2 only.

I obtained a DVD that was region 1 (by mistake :D'oh!:) and when looking on the interweb I found a way...
Forum: General 22nd October 2018, 02:59 PM
Replies: 14
Views: 2,579
Posted By pre65
Re: Simple Mains Filter and Spike Suppressor

Indeed.:thumbsup:

Meanwhile, I've got plans for a mini nuclear reactor to keep me (and my village) going when the power stops.:D
Forum: For Sale 28th September 2018, 09:54 PM
Replies: 9
Views: 1,386
Posted By pre65
Re: Cv181

Just out of interest what are you asking for the CV181 valves ?
Forum: WAD Problems 29th August 2018, 01:50 PM
Replies: 10
Views: 2,319
Posted By pre65
Re: Pre II cathode follower query

I had a similar problem on my Pre3.

Took me ages to find out it was a coupling capacitor.

The offending one was a Clarity Cap.
Showing results 1 to 25 of 4443

 
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