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Old 11th June 2012, 10:11 AM   #1
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Join Date: Nov 2007
Default FS: Two Sigma22 PSU PCBs and most parts for assembling

For sale are two brand new PCBs for building two SIGMA 22 dual-tracking PSUs

I have never had the time to actually build them. Over time I tried to aquire most of the more important parts (Mouser), as below. Showing in (brackets) is how many pcs you’d need for assembling both boards. Some parts like smoothing capacitors or diode bridge are not included. Please see AMB parts list for reference.

I am asking for 40 USD for both PCBs including all parts listed below, OBO
Shipping to USA is 19 USD Europe: 15 USD Other countries: please ask

Quantity Part description
2 pcs Sigma22 PCB from amb.com, unopened
7 pcs TO220 heatsink Aavid-Thermalloy 529802B00000 1.5" (8 are needed for both boards)
15 pcs Vishay/Dale CMF55 1/4W metal film resistor 10 kOhm (14 are needed)
2 pcs Vishay/Dale CMF55 1/4W metal film resistor 1 kOhm (2 are needed)
4 pcs Vishay/Dale CMF55 1/4W metal film resistor 100 Ohm (8 are needed)
4 pcs Vishay/Dale CMF55 1/4W metal film resistor 39.2 kOhm (2 are needed for +-15VDC output)
9 pcs Xicon 2W 5% metal oxide resistor 0.47 Ohm (8 are needed)
11 pcs Kemet radial ceramic capacitor multilayer 220pF (12 are needed)
7 pcs AVX boxed metal film capacitor 3900pF (4 are needed)
3pcs NPN small signal BJT BC546B (12 are needed)
4pcs PNP small signal BJT BC556B (12 are needed)
4pcs International Rectifier N-channel power MOSFET IRFZ24N (4 are needed) (complementary/matched pairs from amb.com, never opened in original packaging!)
4pcs International Rectifier P-channel power MOSFET IRF9Z34N (4 are needed) (complementary/matched pairs from amb.com, never opened in original packaging!)
5pcs 12V 500mW zener diode BZX55C12 low noise (1 is needed) (used for +-12V to +-36V output)
3pcs 1N5307 current regulator diode (2 are needed)
3pcs 1N5314 current regulator diode (2 are needed)

If you need a Xfo, FS also two potted toroids made by Nuvotem/Talema for use in this project:
1x prim 230V sec 2x15VAC 30VA 15,- USD
1x prim 230V sec 2x18VAC 30VA 15,- USD
Shipping would then be about 5 USD more, because of weight, please ask.
Attached Images
File Type: jpg sigma.jpg (337.9 KB, 158 views)
File Type: jpg toroid.jpg (285.1 KB, 154 views)
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Old 11th June 2012, 01:15 PM   #2
Can you say Audio?
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Join Date: Aug 2011
Location: Aurora, Colorado
Default o22 boards/parts

Hey - I'll take the boards and parts. Give me a pp address and total and I'll send the funds.

Mike
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Old 11th June 2012, 01:28 PM   #3
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Location: Toronto, Canada
Wow!
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Old 11th June 2012, 01:28 PM   #4
hags is offline hags  United States
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Location: Chain o' Lakes
Good stuff.

Much prefered compared to the Placid bipolar units.
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Old 11th June 2012, 07:37 PM   #5
Just DIY!
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Location: Montreal
Was this sold?
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PREAMPs : AMB α10 + JC-80 clone | Balanced DCB1 | LDR3x | AMPs: AMB β24 | Aleph 5 | VSSA | ML-2 | Fetzilla | Telos 390 Clone | My_Ref FE
DACs : TPA Buffalo II + OPC's NTD1 I/V | TPA OPUS + IVY III Speakers : Jim Holtz Statements | Astasia SD | Tubasson Mark 2
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Old 11th June 2012, 08:05 PM   #6
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Quote:
Originally Posted by pinnocchio View Post
Was this sold?
Hello to all inmates who are interested in this. Sorry I have not heard back from the first user who wrote me a PN in which he quasi-confirmed the buy. Will wait a bit more (tomorrow). Sorry for the delay...

In this order 1 Groundloops (awaiting conf.) 2 MisterRogers 3 jpak
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Old 11th June 2012, 08:06 PM   #7
Just DIY!
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Location: Montreal
Quote:
Originally Posted by aircondition View Post
Hello to all inmates who are interested in this. Sorry I have not heard back from the first user who wrote me a PN in which he quasi-confirmed the buy. Will wait a bit more (tomorrow). Sorry for the delay...

In this order 1 Groundloops (awaiting conf.) 2 MisterRogers 3 jpak
1 Groundloops (awaiting conf.) 2 MisterRogers 3 jpak 4 Pinnocchio
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PREAMPs : AMB α10 + JC-80 clone | Balanced DCB1 | LDR3x | AMPs: AMB β24 | Aleph 5 | VSSA | ML-2 | Fetzilla | Telos 390 Clone | My_Ref FE
DACs : TPA Buffalo II + OPC's NTD1 I/V | TPA OPUS + IVY III Speakers : Jim Holtz Statements | Astasia SD | Tubasson Mark 2
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Old 12th June 2012, 12:05 PM   #8
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Location: fubar Germany.
Money sent via Paypal.

Sorry, guys ...
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