Switching Mode Power Supply For Tube Amplifier - Page 2

siliconray · 07:49 AM

Sorry No 12V...

Now the SMPS module is available for order Here

jazbo8 · 21st March 2012, 08:21 AM

Some user reviews would be very helpful... How does it sound compare to traditional PT? Many old SMPS had bad rep for being noisy (EMI), etc. Is this one quiet?

Michael Koster · 05:43 PM

This module is underspecified on the web page. Is there a comprehensive spec sheet?

What's the total power for this module? Can I use all the outputs at full power? If I add up all the outputs I get 115W.

How much ripple and noise on the outputs?

What type of control is used? is it variable frequency?

What is the actual efficiency?

What's the maximum capacative load? Can it drive an inductive load?

Thanks,

Michael

flyinglemur · 15th April 2012, 03:27 AM

This is a Class 1 PSU per UL1012...if it's not UL approved and you're selling it in the States...eek. Is it double-isolated (if there's no ground) as mandated by EU law?

jbefumo · 11th April 2014, 11:38 AM

I'm on the verge of going 'production' on a compact tube combo amplifier for guitar, and your #1493 RTP-15 looks almost perfect.

This is a 12W unit with a remarkably powerful 8" speaker and 2XEL34 turning out about 40W max in a cathode-biased Push-pull topology.

Input will be 115/120V 60Hz.

Preamp tubes in this model consist of a single 12DW7 and one EF86.

While the 280V is a bit lower than what I would like, I could deal with that, and the 300mA seems adequate, so my first question regards how that translates to your stated output power of "15Wx2 (PP)"? My prototype uses an Edcor transformer that's only rated at 180mA, albeit at higher voltages, and that's adequate.

So, questions are 1. Will this work for my application as is? (Have yet to do all the relevant math.)

2. Any possibility of getting something with a bit higher output voltage? I know there are lots of units out there that deliver 360V, but that filament output on yours is a real bonus!

Thanks.

Joe

P.S. -- the Inquiry form on your website does not display the security code in either Firefox or Chrome.

Arcolette · 17th September 2014, 08:47 AM

Hi siliconray,

on your homepage the RTP-15 smps is marked as "out of stock". When will it be available again?

siliconray · 17th September 2014, 08:56 AM

HI, RTP-15 now is stop to produce. Thanks for your check.

ArthurDK · 15th February 2015, 09:11 PM

Maybe you should take it of your website then.

Best regards
Arthur.

jbefumo · 16th February 2015, 10:59 AM

Anybody know if there are other sources of similar units? Looked like exactly what I needed.

Quote:

Originally Posted by ArthurDK

Maybe you should take it of your website then.

Best regards
Arthur.

spinch · 10th December 2020, 11:05 PM

It's itself the size of the tube monoblocks I'm building- i'm looking for 3 x this power rating @ a third of it's physical size stated. Not for me it seems.

23rd February 2012, 07:41 AM	#11
siliconray diyAudio Member Join Date: Sep 2011	Sorry No 12V... Now the SMPS module is available for order Here __________________ www.siliconray.com High Quality Audio Enclosures, Amp Kits, Amplifiers, PCB Fab Services Chat with me Last edited by siliconray; 23rd February 2012 at 07:49 AM.

24th March 2012, 05:40 PM	#13
Michael Koster diyAudio Member Join Date: Jan 2008 Location: Sunnyvale, CA	This module is underspecified on the web page. Is there a comprehensive spec sheet? What's the total power for this module? Can I use all the outputs at full power? If I add up all the outputs I get 115W. How much ripple and noise on the outputs? What type of control is used? is it variable frequency? What is the actual efficiency? What's the maximum capacative load? Can it drive an inductive load? Thanks, Michael Last edited by Michael Koster; 24th March 2012 at 05:43 PM.

17th September 2014, 08:56 AM	#17
siliconray diyAudio Member Join Date: Sep 2011	HI, RTP-15 now is stop to produce. Thanks for your check. __________________ www.siliconray.com High Quality Audio Enclosures, Amp Kits, Amplifiers, PCB Fab Services Chat with me

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21st March 2012, 08:21 AM	#12
jazbo8 diyAudio Moderator Emeritus Join Date: Jan 2011 Location: In Transient	Some user reviews would be very helpful... How does it sound compare to traditional PT? Many old SMPS had bad rep for being noisy (EMI), etc. Is this one quiet?

15th April 2012, 03:27 AM	#14
flyinglemur diyAudio Member Join Date: Jul 2005	This is a Class 1 PSU per UL1012...if it's not UL approved and you're selling it in the States...eek. Is it double-isolated (if there's no ground) as mandated by EU law?

11th April 2014, 11:38 AM	#15
jbefumo diyAudio Member Join Date: May 2009	I'm on the verge of going 'production' on a compact tube combo amplifier for guitar, and your #1493 RTP-15 looks almost perfect. This is a 12W unit with a remarkably powerful 8" speaker and 2XEL34 turning out about 40W max in a cathode-biased Push-pull topology. Input will be 115/120V 60Hz. Preamp tubes in this model consist of a single 12DW7 and one EF86. While the 280V is a bit lower than what I would like, I could deal with that, and the 300mA seems adequate, so my first question regards how that translates to your stated output power of "15Wx2 (PP)"? My prototype uses an Edcor transformer that's only rated at 180mA, albeit at higher voltages, and that's adequate. So, questions are 1. Will this work for my application as is? (Have yet to do all the relevant math.) 2. Any possibility of getting something with a bit higher output voltage? I know there are lots of units out there that deliver 360V, but that filament output on yours is a real bonus! Thanks. Joe P.S. -- the Inquiry form on your website does not display the security code in either Firefox or Chrome.

17th September 2014, 08:47 AM	#16
Arcolette diyAudio Member Join Date: Jun 2004 Location: Germany	Hi siliconray, on your homepage the RTP-15 smps is marked as "out of stock". When will it be available again?

15th February 2015, 09:11 PM	#18
ArthurDK diyAudio Member Join Date: Dec 2009	Maybe you should take it of your website then. Best regards Arthur.

10th December 2020, 11:05 PM	#20
spinch diyAudio Member Join Date: Nov 2020 Location: London UK - NW6 7YX	It's itself the size of the tube monoblocks I'm building- i'm looking for 3 x this power rating @ a third of it's physical size stated. Not for me it seems.