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Total 7 documents matching your query.

1. Re: [Amps] Bird 1KW+ Load Resistor (score: 1)
Author: Per Molund <pmolund@online.no>
Date: Sat, 17 Nov 2007 15:59:33 +0100
I have found only one manufacturer of non-inductive tubular resistors today; Kanthal Globar. Check out http://www.globar.com/ec/tubular.php.html , however these are expensive items. You could also ch
/archives//html/Amps/2007-11/msg00225.html (9,988 bytes)

2. Re: [Amps] Step start (score: 1)
Author: Per Molund <pmolund@online.no>
Date: Sun, 03 Feb 2008 11:02:07 +0100
Has anyone tried the SSC-25 soft start controller from United Automation for this purpose? <http://www.powercontrollers.net/components/soft_start_module/specialised_power_products_ssc_25.asp> 73, Per
/archives//html/Amps/2008-02/msg00006.html (7,953 bytes)

3. Re: [Amps] Dummy Load "Oil" (score: 1)
Author: Per Molund <pmolund@online.no>
Date: Wed, 29 Jul 2009 21:12:11 +0200
I have refilled a couple Bird Tenuline 8329 with Shell Diala DX transformer oil which happens to be the same oil my local utility company is using in their power transformers. I assume this oil is qu
/archives//html/Amps/2009-07/msg00362.html (9,104 bytes)

4. Re: [Amps] Whither error Array band pass filter wiring? (score: 1)
Author: Per Molund <pmolund@online.no>
Date: Sat, 28 Jun 2014 09:09:52 +0200
As I understand this the band data should be in paralell as Bob, W5OV describes, the reference to wire the two units in series is for the RF side, ie. the AMP/ANT connector of the first box goes to t
/archives//html/Amps/2014-06/msg00108.html (11,656 bytes)

5. Re: [Amps] General coverage HF amplifier (score: 1)
Author: Per Molund <pmolund@online.no>
Date: Sat, 19 Nov 2016 21:25:53 +0100
Not very known, but SPE used to produce their Expert 1K-FA in an 1.6 - 30 MHz Continus Coverage version. 73 de LA9XKA - Per At 10:36 16.11.2016, Dale Yu via Amps wrote: Guys, I'm looking for a 500W o
/archives//html/Amps/2016-11/msg00063.html (8,217 bytes)

6. Re: [Amps] LDMOS availability (score: 1)
Author: Per Molund <pmolund@online.no>
Date: Mon, 05 Jun 2017 20:55:01 +0200
Actually they have put it in writing, on the data sheet (although prelimenary at the moment) they state 'Included in NXP product longevity program with assured supply for a minimum of 15 years after
/archives//html/Amps/2017-06/msg00057.html (10,672 bytes)

7. Re: [Amps] Heath SB-220 Soft Start (score: 1)
Author: Per Molund <pmolund@online.no>
Date: Fri, 4 Oct 2024 17:40:45 +0200
The PC board is single sided so it should not be very difficult to replace the relays (and resistors). However, a new board can be obtained from https://harbachelectronics.com/shop/heathkit-sb220-sb2
/archives//html/Amps/2024-10/msg00003.html (11,228 bytes)

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