The BDR

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Broadcasters' Desktop Resource

... edited by Barry Mishkind - the Eclectic Engineer    

Broadcast Depot

Unobtainium

What to do?  Where to call?

As technology progresses, some things do get left behind. Trying to find parts for an older car might send you to the dealer, an aftermarket shop, the Internet, or that sad realization that not only is it no longer made, the manufacturer is out of business, and since no one can make money making and stocking the part, it may have moved to the category of "unobtainium."

Still, with the worldwide access via the Internet, it is amazing how some things can be found - or a replacement for them fitted. This page hopes to not only help identify problem parts, but what options might be available. If you have information to add, please let us know!

Unobtainium Candidate              Used in                                         Options - at last report

4CX300A Harris 10K RF Parts had stock -
4-1000A Tubes Transmitters RF Parts had stock - $1300
5-500 Tubes Transmitters RF Parts had stock - $800
5534 audio chips Fidelipac cart machines hard to find
TIL-308 LED display SX series transmitters hard to find
SX-Series Oscillator Board SX series transmitters Mike Patton Associates
ST connectors by 3M   Home Depot is reported to have these
SSM2015 preamp chip Broadcast Audio Consoles hard to find
SSM2017 chip Optimod 8200
Arrakis 1200
expensive when found, but the SSM2019 is pin compatible;
it is reported that the INA217 works in the Arrakis
SAD-1024 chip Optimod 9000 true unobtainium
6386 tubes Sta-Level compressors hard to find - a pair of 6BA6s said to be compatible
Plessey SL560C rf amp chip Moseley PCL606 STLs hard to find
DigiTalker chip Gentner VRC-2000 hard to find
1-5/8" EIA connector RFS/Cablewave solid center coax hard to find

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