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Old 5th June 2013, 11:04 PM   #1
sonnya is online now sonnya  Denmark
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Default TSSA V1.6 Errata

Hi all.

We have made an Errata for the TSSA V1.6 AMP.

Add a 470R resistor between Q12-C and Q15-S and between Q13-C and Q14-S

This help stabilize idle current of the amp.
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Old 5th June 2013, 11:08 PM   #2
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Sonny,
although I have not looked intently, I have not noticed any issue. Are there other factirs at play?
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Old 5th June 2013, 11:11 PM   #3
Salas is online now Salas  Greece
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That will take a couple of vias cut with a craft knife?
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Old 5th June 2013, 11:27 PM   #4
sonnya is online now sonnya  Denmark
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No, i have pictures. on how it is done.

Basicly we can list Collector and insert the resistors in between.

I have an extra note for it. (Damping factor get higher)
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Old 5th June 2013, 11:46 PM   #5
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OK, we will see the pictures at a point then.
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Old 8th June 2013, 10:09 PM   #6
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Pictures would help. Thanks.
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Old 12th June 2013, 08:04 PM   #7
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If anybody has implemented it and has pictures, I'm willing to watch
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Old 12th June 2013, 08:10 PM   #8
sonnya is online now sonnya  Denmark
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Hi Tomas , Justin and others.

I am preparing the mod pictures.

You will need a tweezer, scalpel and 330R 0805 1% resistors

- Sonny
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Old 12th June 2013, 08:26 PM   #9
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Seems like I'm up for the first SMD mount. I hope that doesn't mean I have to buy soldering tweezers

For R, something like that?

PCF0805-13-330R-B-T1. - WELWYN - RESISTOR, 330R 0805 5PPM | Farnell United Kingdom

Plus 5.6k for R7, R8 and 500R for R22, if low impedance is desired?
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Old 13th June 2013, 11:57 AM   #10
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Guys, as I'm prepping a Farnell order to have parts before weekend, I want an advice that might be slightly out of your competence. Still, would like to know what you intuition says.

I'm almost sure that my speakers would benefit from lower impedance of this amp. Although I have never done SMD. Should I risk replacing those resistors without special equipement like smd tweezers? Same question for idle current stability mod.
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