Marantz Model 16 power amp, revisited

Archived from groups: rec.audio.tech (More info?)

So I really want to fix the Marantz. Ordered a service
> manual, thinking it would have the spec's on the output relay, but it
> identified every part in the amp EXCEPT the relays. Would anyone have
> a manufacturer and part number for me on these relays? It's a DPDT
> open-frame unit, and I don't know the coil voltage because it's fed off
> the 46-V supply through a transistor driver in the coil's ground return
> line. Thank you. Bill Crowell
>

Very often you will find the relays are off the shelf units. Various
manufacturers will make basically the same relay with the same pin
configuration and spacing.

Remove a relay and note its pin configuration and dimensions. Parts
suppliers will often have this information in their catalogues with all the
appropriate meaurments. They will also often include the resistance of the
relay coil. Measure your coils dc resistance and you may then be able to
find a relay to match.

here's an example:
http://uk.farnell.com/jsp/endecaSe [...] =gensearch

For each relay you can click on the datasheet icon to see all the data.


Gareth.

Archived from groups: rec.audio.tech (More info?)

At the local electronics emporium, I found there was a poor selection
of relays that mount directly on the Maranttz PC board. But for the
fact that it was not PCB-mount, the relay most closely matching the old
one was an NTE Electronics R14-11D10-24. I wired it to the PCB using
short multi-colored lengths of #14 AWG stranded. Since the
replacement relay did not have the arm and coil terminals in the same
positions as the old one, wiring it in made it easy to switch these
connections.