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Old 14th July 2009, 11:05 PM   #21
nigelwright7557 is offline nigelwright7557  United Kingdom
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Quote:
Originally posted by tinitus
Hi
I would like some more information, email sent

http://www.ckp-railways.talktalk.net/amplifier.htm
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Old 16th July 2009, 11:37 PM   #22
nigelwright7557 is offline nigelwright7557  United Kingdom
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300 watt valve front end MOSFET amplifier.
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900 watt MOSFET amplifier
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Old 20th July 2009, 01:25 AM   #23
nigelwright7557 is offline nigelwright7557  United Kingdom
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Default Valve/tube/MOSFET hybrid amplifier PCB

I have a number of PCB's for sale for a hybrid amplifier module.
Comes with instructions to turn into completed unit.

19.99 + 2-99 p&p

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Old 4th August 2009, 11:51 PM   #24
nigelwright7557 is offline nigelwright7557  United Kingdom
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Default Re: Valve/tube/MOSFET hybrid amplifier PCB

Quote:
Originally posted by nigelwright7557
[B]I have a number of PCB's for sale for a hybrid amplifier module.
Comes with instructions to turn into completed unit.

19.99 + 2-99 p&p
The PCB's have now all been sold, many thanks.
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Old 1st September 2009, 11:22 PM   #25
nigelwright7557 is offline nigelwright7557  United Kingdom
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Default Tube and MOSFET Amplifier modules

300 watt TUBE/MOSFET hybrid amplfier module.
600 watt TUBE/MOSFET hybrid amplfier module.
900 watt TUBE/MOSFET hybrid amplfier module.
300 watt MOSFET amplfier module.
600 watt MOSFET amplfier module.
900 watt MOSFET amplfier module.

More info at:
www.ckp-railways.talktalk.net\amplifier.htm
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Old 1st September 2009, 11:55 PM   #26
Xoc1 is offline Xoc1  United Kingdom
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Are these modules using Lateral Or Vertical Mosfets?
Your web page suggests the use of a 40 0 40 AC transformer
so 56 0 56 DC
To output 450w RMS into 4 ohms the Output needs to swing approx 120v peak to peak.
Could you quote the Rail voltages that you use on your '900W' Module?
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Old 1st September 2009, 11:59 PM   #27
nigelwright7557 is offline nigelwright7557  United Kingdom
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Quote:
Originally Posted by Xoc1 View Post
Are these modules using Lateral Or Vertical Mosfets?
Your web page suggests the use of a 40 0 40 AC transformer
so 56 0 56 DC
To output 450w RMS into 4 ohms the Output needs to swing approx 120v peak to peak.
Could you quote the Rail voltages that you use on your '900W' Module?
The modules use vertical MOSFET's.

40 - 0 - 40 is a minimum and is playing safe. The module requires +/- 60 volts to get the maximum output. However the capacitors are 63 volt so some care needs to be taken not to go over approx 60 volts.
I have done a couple of orders for modules with 80 volt capacitors.
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Last edited by nigelwright7557; 2nd September 2009 at 12:08 AM.
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Old 2nd September 2009, 01:21 AM   #28
nigelwright7557 is offline nigelwright7557  United Kingdom
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Old 17th September 2009, 10:24 PM   #29
nigelwright7557 is offline nigelwright7557  United Kingdom
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http://cgi.ebay.co.uk/ws/eBayISAPI.d...STRK:MESELX:IT
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Old 9th October 2009, 11:12 PM   #30
nigelwright7557 is offline nigelwright7557  United Kingdom
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Quote:
Originally Posted by nigelwright7557 View Post
Or search ebay for amplifier module.
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