Audio Banter - Search Results

		Home » Audio Banter forum » Search Forums
Search Results

Showing results 1 to 3 of 3
Search took 0.00 seconds. Search: Posts made by: Walter Raleigh

Forum: uk.rec.audio (General Audio and Hi-Fi)

January 3rd 10, 02:09 PM Posted to uk.radio.amateur,uk.rec.audio,uk.d-i-y

Replies: 103

30 Hz 15KHz , 8 W rms , only £ 2477 for 2 .. Valve of course

Views: 5,690

Posted By Walter Raleigh

30 Hz 15KHz , 8 W rms , only £ 2477 for 2 .. Valve of course

On 03/01/2010 14:47, David Looser wrote:

Big power valves with directly heated filaments have heavy filaments and
were intended to be a.c. heated. If you run them on d.c. then the
...

Forum: uk.rec.audio (General Audio and Hi-Fi)

January 3rd 10, 01:25 PM Posted to uk.radio.amateur,uk.rec.audio,uk.d-i-y

Replies: 103

30 Hz 15KHz , 8 W rms , only £ 2477 for 2 .. Valve of course

Views: 5,690

Posted By Walter Raleigh

30 Hz 15KHz , 8 W rms , only £ 2477 for 2 .. Valve of course

On 03/01/2010 14:03, Brian Reay wrote:

If you rectify AC you replace the 50Hz sinusoidal "hum" with a 100Hz "rasp".
True, you can regulate and filter but anything left will be more "hash" and
...

Forum: uk.rec.audio (General Audio and Hi-Fi)

January 3rd 10, 12:48 PM Posted to uk.radio.amateur,uk.rec.audio,uk.d-i-y

Replies: 103

30 Hz 15KHz , 8 W rms , only £ 2477 for 2 .. Valve of course

Views: 5,690

Posted By Walter Raleigh

30 Hz 15KHz , 8 W rms , only £ 2477 for 2 .. Valve of course

On 02/01/2010 22:09, Spike wrote:

Have a Google for 'humdinger' (and/or 'hum dinger').

I often wondered why the hifi brigade didn't go down the road of heating
the valves with regulated DC...

Showing results 1 to 3 of 3

All times are GMT. The time now is 04:23 AM.