Switching Mode Power Supply For Tube Amplifier - diyAudio
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Old 9th February 2012, 02:02 AM   #1
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Default Switching Mode Power Supply For Tube Amplifier

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RTP-15 SMPS For Tube Amplifier

Description
SMPS has several benefit over iron transformer in tube amplifier. First of all it has very low internal impedance (about 6 Ohm vs more than 50 Ohm of transformer). This feature will improve the dynamic of tube amp significantly. Second, the effeciency is much higher than transformer. Third, SMPS is much lighter than transformer.

Features
RTP-15 is designed for integrated amplifiers has output power of 15Wx2 (PP) or 8Wx2(SE).
- Input voltage: 100V-240V
- Output HV: 280V 300mA
- Output LV: 6.3V*1A, 6.3V*2A, 6.3V*2A, regulated seperately
- Switching frequency: >80KHz
- Dimension: 158mm x 100mm x 38mm
- Weight: 480g

Recommended Applications
6V6 SE, EL34 SE, 6P3P SE, EL84 PP...

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Last edited by siliconray; 23rd February 2012 at 06:49 AM.
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Old 9th February 2012, 02:38 AM   #2
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Default photos

photos of the module
Attached Images
File Type: jpg tubesmps-1.JPG (136.9 KB, 848 views)
File Type: jpg tubesmps-2.JPG (100.5 KB, 770 views)
File Type: jpg tubesmps-3.JPG (133.8 KB, 762 views)
File Type: jpg tubesmps-4.JPG (159.8 KB, 762 views)
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Old 9th February 2012, 02:42 AM   #3
GloBug is offline GloBug  Canada
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You better put a ground on it or they will eat you alive!
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Old 9th February 2012, 04:11 AM   #4
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Hi Globug

It's isolated from the power line. There's a screw connected to the enclosure. It can be connected to the GND when working, but for some application the enclosures don't need to be connected to GND.
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Old 9th February 2012, 04:18 AM   #5
GloBug is offline GloBug  Canada
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It's up to you, I just wanted to give you the heads up that you need the ground with more then 42v and/or over 100VA.

These guys are tough cookies.

Have fun. Al
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Old 9th February 2012, 04:59 AM   #6
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SiliconRay,

Very nice! An addition to your webstore?

Is the switching frequency of the 6.3V supply also over 80khz? What sort of regulation is used?
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Old 9th February 2012, 06:09 AM   #7
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Hi greenvalve
They are under aging process, not listed for sale yet.
This is a CE certified product, can be batch sold worldwide. price is not determined, but won't be higher than a transformer system. The sample was sent to a big Japanese buyer a few days before, I'm not sure wether there'll be some left for the forum members. But won't be too long for the 2nd run.
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Old 17th February 2012, 11:56 AM   #8
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@siliconray
is it adjustible by any chance to say +- 68v 2.5A to be used with digital amps ?

if possible also could you outline difference compared to
http://www.parts-express.com/pe/show...number=320-316

thx
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Old 17th February 2012, 12:07 PM   #9
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Location: UK
Quote:
Originally Posted by worker View Post
@siliconray
is it adjustible by any chance to say +- 68v 2.5A to be used with digital amps ?

if possible also could you outline difference compared to
24 VDC 14.6A 350W Regulated Switching Power Supply 320-316

thx
Please read the spec....

The one you have quoted is 24V output.

The one in the thread has HT plus HEATER outputs.
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Old 23rd February 2012, 04:43 AM   #10
JZatopa is offline JZatopa  United States
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Location: Chicago
Any chance there might be one that has a 12v input?
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