Mail Archive Search: <+subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[Amps\]\s+The\s+HT\-33B\s+and\s+swamped\s+grid\s*$/>

Results:

References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[Amps\]\s+The\s+HT\-33B\s+and\s+swamped\s+grid\s*$/: 6 ]

Total 6 documents matching your query.

1. [Amps] The HT-33B and swamped grid (score: 1): Author: "Roger Halstead" <sub1@rogerhalstead.com>; Date: Fri, 28 Sep 2007 01:47:26 -0400; The comments about the swamped grid got me to thinking about the Hallicrafters HT-33B which uses a Beam Powered Pentode (PL-172/8295A witht he straight 8295A being ceramic and metal.) I've had severa; /archives//html/Amps/2007-09/msg00448.html (7,859 bytes)
2. Re: [Amps] The HT-33B and swamped grid (score: 1): Author: "jeremy-ca" <km1h@jeremy.mv.com>; Date: Fri, 28 Sep 2007 09:16:51 -0400; If there ever were candidates for a tube swap the HT-33A & B's are right up there with the MLA-2500 and HT-41. There is nothing wrong with the tubes except availability and cost. The sraight 33 uses; /archives//html/Amps/2007-09/msg00457.html (9,362 bytes)
3. Re: [Amps] The HT-33B and swamped grid (score: 1): Author: "Roger Halstead" <sub1@rogerhalstead.com>; Date: Fri, 28 Sep 2007 11:58:05 -0400; The 8295A is much larger than the 8877 although it only has 1000 watts plate dissapation compared to the 1500 for the 8877. OTOH the fins are coarse with lots of space so the tuve is easily cooled w; /archives//html/Amps/2007-09/msg00464.html (10,525 bytes)
4. Re: [Amps] The HT-33B and swamped grid (score: 1): Author: Colin Lamb <k7fm@teleport.com>; Date: Fri, 28 Sep 2007 09:18:45 -0700 (GMT-07:00); The 4CX1500 would also be a good candidate. It is very low distortion and relatively inexpensive. Colin K7FM _______________________________________________ Amps mailing list Amps@contesting.com http; /archives//html/Amps/2007-09/msg00465.html (6,797 bytes)
5. Re: [Amps] The HT-33B and swamped grid (score: 1): Author: "jeremy-ca" <km1h@jeremy.mv.com>; Date: Fri, 28 Sep 2007 13:03:47 -0400; The Dentron original DTR-2000L had only a muffin fan on the 8877. Not good for heavy use as it was replaced by a small squirrel cage in later models. In the HT-33 anode temperature testing would tel; /archives//html/Amps/2007-09/msg00468.html (10,579 bytes)
6. Re: [Amps] The HT-33B and swamped grid (score: 1): Author: "Roger Halstead" <sub1@rogerhalstead.com>; Date: Fri, 28 Sep 2007 13:01:13 -0400; Fortunately, mine has a good PL-172 in it and I picked up some used 8295As in the hope they might be good. After testing it appears I have a good supply of spares. 73 Roger (K8RI) __________________; /archives//html/Amps/2007-09/msg00469.html (6,950 bytes)

Current List: 1 - 6
Page: [1]