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Project

Projecttitel: Stereo 1176D clone

Status: IN PROGRESS

Startdate: 02.03.2023

Duedate: 01.04.2023

Manufacture link:


PCB:

hairball audio 1176 D version - which is the mnats version

http://mnats.net/1176.html


Panel and Case:

https://collectivecases.com/?product=stereo-1176



FINISHES

  1. STEREO 1176 cases will be powder coated black.
  2. The faceplates come in 3 different color options. They are raw aluminum and black with white lettering (UA style), raw aluminum and blue with white lettering (Blue Stripe style), a powder coated (creamy color) with black and white silk screen lke the first option.

MADE IN THE USA, ENCLOSURE DETAILS:

  1. 2 rack space height
  2. 18 gauge metal cases
  3. Rear Panel XLR, IEC, and Star Ground cutouts
  4. 11″ deep
  5. 17″ wide case
  6. Vent holes on tops and sides
  7. Clean outside for easy installation in racks
  8. Ships flat for lower shipping cost

ENCLOSURE INCLUDES

  • 1 Faceplate
  • 1 Top & bottom panel
  • 1 Rear panel
  • 2 Side panels

RECOMMENDED COMPONENTS:
Meters – Hairball Audio (8027-WF VU)
XLR’s – Nuetrik D series connectors (part # Neutrik NC3FD-L-1-B & Neutrik NC3MD-L-1-B)
IEC – Schurter 6200.2100 (Mouser Part # 693-6200.2100)
For support look here: (http://www.groupdiy.com/index.php?topic=44882.0)
For kits look here: (http://hairballaudio.com/shop/product_info.php?cPath=22&products_id=79)

BOM and Schematic:

1176LN_REVD_V2.2_DOC.pdf

Hairball Audio offer part kits/half kits for a stereo version, you have to add the PCBs too.

IDPartadd. infolinkprice nettoprice with all fees
1casecasehttps://collectivecases.com/?product=stereo-1176150 USD
2pcbshairball PSU x2
20 USD
3part kit pcb
  • 2 x Matched Pair of 2N5457 FETs
  • 1 x Dual Primary Toroidal 2X30 30VA Power Transformer
  • 2 x FET Compressor Attack Control
  • 2 x FET Compressor Release Control
  • 2 x FET Compressor Output Control
  • 2 x 8027-WF VU Meter
  • 2 x C-3837-1 Input Transformer
  • 2 x EA-5002 Output Transformer w/ Channel Frame
  • 2 x Bourns 600Ω T-Pad Attenuator w/ PCB
  • 1 x Stereo Link Kit
https://www.hairballaudio.com/catalog/parts-store/old-style-fetrack/stereo-fet-compressor-rev-ad-bundle475USD
4XLRXLR’s – Nuetrik D series connectors (part # Neutrik NC3FD-L-1-B & Neutrik NC3MD-L-1-B)




5IEC power inletIEC – Schurter 6200.2100 (Mouser Part # 693-6200.2100)look for better version with filter

6PSU PCBPSU pcnb from hairball only one needed !! - check capacitor sizes 10USD
7link switchSPST switch of your choice


Buildinfos:

Building The DIY 1176LN Revision D.pdf


The 1176 doesn't have a true bypass, just a GR off.  The GR off is usually placed as a switch on the attack pot.


Wiring example

1176LN-module_connection.pdf

link switch guide

Stereo_Link_Wiring_Guide.pdf


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