And there's no give with PCB mounted pots. The pot holes are slightly oversized for standard pot shafts, but not a lot. I'd also get 'him' ( ) ) to measure his pot hole arrangement against the supplied diagram to make sure that the harness will fit. as standard), whilst their aftermarket pickups were 4-wire. Until fairly recently, stock Gibson pickups came with single-wire pickups (unless the model of guitar featured coil taps etc. You're talking about pickup upgrading, so 'he' ( ) ) will have to buy ones with 4-conductor wiring. When you figure how many amplifiers(Peavey and other amp manufacturers and computers were manufactured using the Molex connector), the total of problems is really minute.No, but it all looks good. It just happens to be what is considered industry standard at that time(1980's). My personal opinion(which everyone has one) is that a word such as "Molex" is repeated by a consumer on the internet or otherwise, and it evolves into a "badly designed" connector, when in reality it has not a bad design. Granted, the Molex was the latest and greatest connector back in 1980, when the Nashville 400 was introduced and the amplifier must have been reliable as we manufactured this model with the Molex connector for 18 years straight. If the connector is connected and disconnected many times, the female pins will open up which causes a loose connection. I attribute the problem to disconnecting and reconnecting the Molex numerous times. I have owned and used my 1985 Nashville 400 on a regular basis(sometimes every weekend) and I haven't experienced problems with the Molex connector at all. Unless, the Molex connector is repeatly connected and disconnected, there should be no problem with this type of connector. These are not the same as a molex connector and have proven to be very reliable. These models have connectors that are called IDC connectors which are also used in the computer industry. We discontinued the use of the Molex connectors when the Nashville 1000 and Nashville 112 were introduced back in 1999. And my guess is so would a lot of other amp users with the Molex connector problem. Last, if someone offered such a simple kit I'd buy it. Then put two male jacks on the reverb pan wires and connect those up. The box could be attached to the underside of the chassis. For that, perhaps one would first solder wires to the chassis posts and then run those to a small box containing two female RCA jacks. I wish someone could come up with a fix that used standard RCA jacks. That sometimes ends up being just a temporary fix until they loosen up again down the road. So, I end up tightening the Molex's female connectors. You can't do the solder-fix as used for the speaker wires because then the chassis can't be removed easily without desoldering those four connections. The reverb pan Molex connector is another thing, though. That is, the connector can be removed and the speaker wires can be soldered directly to the two chassis posts. The fix for the speaker wire connector is what's already been mentioned in this thread. I've used them for 20+ years and still love the sound every night I hit their power switches. Make no mistake - I love the amp and I'd recommend it right away to anyone. I have three NV400s and the Molex connector problem has shown up in all of them.
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