I have a few tube amps/preamps to restore this winter, Dynaco, Eico etc. and have several sheets of these Philips service pack resistors, they are physically large for the indicated power of 1/2W, they are more like 1-2W size. I looked around the web and couldn't find any data for "902" but I suspect that is the part number for the card of Rs, not the actual resistors.
Does anyone know what model resistors these are and are they suitable replacements for tube amps?
Any help is greatly appreciated.
Cheers
Does anyone know what model resistors these are and are they suitable replacements for tube amps?
Any help is greatly appreciated.
Cheers
Please use metal film resistors (which are cheap now), and not carbon resistors, when restoring old gear.
They are so much better, quiet, and stable. Yageo is a great example.
https://www.mouser.com/c/passive-co...-hole-resistors/metal-film-resistors/?m=YAGEO
They are so much better, quiet, and stable. Yageo is a great example.
https://www.mouser.com/c/passive-co...-hole-resistors/metal-film-resistors/?m=YAGEO
High voltage VR37 (resistors on photo seem rather small...) You can find datasheet from Vishay on www.
The others are probably CR37: https://frank.pocnet.net/other/Philips/elcoma/Philips_ComponentsMaterials_2_1970-12.pdf
The others are probably CR37: https://frank.pocnet.net/other/Philips/elcoma/Philips_ComponentsMaterials_2_1970-12.pdf
Those are extremely good resistors. They were used by many manufacturers, in both SS and tube equipment. I still have hundreds on hand, and wish I had more 🙂