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Old 15th January 2013, 08:12 AM   #2131
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Richard Murdey
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@pdg

Just having the unit powered up will burn in most of the components. The only exception is the output coupling caps, C3.

Don't go connecting the tuner output to the Phonoclone inputs unless you know what you are doing though. You need to add a voltage divider to simulate the correct impedance and signal magnitude.

Either break in the coupling cap before its hooked up to the board (just connect it to a transformer secondary for a few days), or forget about the whole thing and enjoy hearing the sound get better as you listen to more and more records.
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Old 15th January 2013, 11:08 PM   #2132
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From Pliton specs 160 to 225 VAC 9.9 inches wide 9.9 inches long 4.6 - 4.9 tall
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Old 15th January 2013, 11:41 PM   #2133
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No they aren't.

(The 160VA Plitron will fit in the Hammond 1590F case.)
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Last edited by rjm; 15th January 2013 at 11:45 PM.
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Old 16th January 2013, 03:47 AM   #2134
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This is off the 160 VA info from Plitron
Weight: 5.11 lbs
Height: 4.6 inches
Width: 9.9 inches
Length: 9.9 inches

I will contact them tomorrow.
Walt
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Old 16th January 2013, 04:00 AM   #2135
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OK OK OK here is the deal. If you go on the E catalog, click on standard transformers, then click 12 volt you can see a group of different transformers that output 12 volts. If you click MORE INFO you get the information that I was reading. The VIEW SPECS link seems to give the correct or more expected size.
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Old 16th January 2013, 01:09 PM   #2136
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Since the weight is approximately correct I can only assume the dimensions you have are for the box it ships in, not the transformer itself, which, I can assure you since I have a bunch of the 160VA models, is not 9.9 inches in diameter.
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Old 16th January 2013, 01:36 PM   #2137
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I have the stereoversion, but can't see how the IC is correctly inserted. There is no marking on top, as I'm used to (similar to the marking on the print)
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Old 16th January 2013, 11:23 PM   #2138
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A faint round depression on the top of the NE5532 indicates the pin 1 position.

See photo.
Attached Images
File Type: jpg mVYi1Tf-nLMpzPlBSirzExw.jpg (3.8 KB, 172 views)
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Old 20th January 2013, 04:11 AM   #2139
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Just placed my order for a VSPS 300 kit and bought a transformer from AVEL. A 250 VAC unit for $56.00 shipped. I was thinking I went way overboard but remembered that when I sold McIntosh equipment in the 70's and early 80's that there trannies were so over built that they would run at room temp.
Has anyone added the .1 uf TDK ceramic caps to bypass the four filter caps? If not I think I will try them before trimming the leads on the Nichicon's.
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Old 21st January 2013, 03:37 AM   #2140
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Quote:
Originally Posted by waltroman View Post
Has anyone added the .1 uf TDK ceramic caps to bypass the four filter caps?
Hi Walt. That discussion was for a different circuit. It's unlikely to have an effect on the VSPS. If you are going to do it, put the ceramic capacitor between the opamp/socket pins 4 and 7 instead.
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