NAD: ThunberBass (8417 powered)

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Sep 5, 2016
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Hi everyone. New here and just bought a ThunderBass 4 tube preamp with 8417 power section model.

I'll be using it for electric bass with a 1x15 cabinet loaded with an Altec 421-8H Series II speaker.

I would like to have the head completely gone through, replace the two prong cord with a three cord and just bring it to 100% working order. (It works and sounds great but it's in 100% original condition so there has to be a cap or two that need changing)
 
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