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Old 23rd October 2003, 03:59 AM   #1
faxurda is offline faxurda  Canada
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Join Date: Aug 2003
Location: Montreal
Question Tweaking Marantz 2225

I purchased a old Marantz 2225 receiver I would like to tweak this unit.

1. Replacing the speakers connections
2. Changing the AC cord
3. Changing the some RCA connector (Phono and Aux)

My questions is.

I would like changing the internal wire for the speaker, I'm tinking use a CAT 5 sheilded cable for that ! Any comments?

For the AC cord, I will replaced with the removable AC plug (like pc), but the actual AC cord did not have a ground. The newest one I planning to install got one. Where do I need to plug this ground on the receiver?

And the last one, What RCA wire you recommended for the internal rewiring?

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Old 23rd October 2003, 08:50 AM   #2
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Join Date: Dec 2002
Location: Left of the Dial
Changing the internal wire is unnecessary, and the additional area exposed using Cat5 may well cause it to pick up transformer hum.

Likewise, the chassis of most vintage amps/receivers is designed from the start to float. Adding a ground can cause ground loops (but then again, it may be fine...depends on what you connect to it and how far away it is).

Change all the phono plugs you want. You will gain nothing (the stock ones are decent quality), but if it trips yer trigger then go for it.

If you would like to 'tweak', then replace all the old electrolytics with new ones. That'll be a tweak you can actually hear.
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