The sound of my new electrical service: Day 1


And I mean a completely new service. New pole!, new pole transformer!, new underground line to the house (was above ground), new meter, and new breaker box with all new breakers. House wireing remains the same. Talk about an upgrade! Or, will it be a sonic downgrade? I wouldn't be surprised. House was built in 1964, so that stuff was 50 years old.
I don't do much desk work, so typing all these subjective impressions will be quite a bit of work for me. I hope we all can find it interesting at the least. I doubt too many others will have to go through this with their systems, so maybe it's pointless, but might still be interesting. Beforehand, my system was sounding so good that I was afraid to change anything. You know what I mean don't you? If not, I'm sure you will get there eventually.
System: completely restored, vintage tube. Been through the modern stuff, this is the real thing. I will stick to digital VIA CD for the first few days to keep things simple for us.
Day 1: Eric Clapton "Unplugged", Buddy Guy and Jr. Wells "Alone and Acoustic", Ani Defranco "Living in Clip"
Right away I noticed the urge to turn the volume down. I'm usually inclined to turn it up because this system can sound so deliciously juicy with real life timbre and tone. Not sure if it now plays louder at the same volume setting, or if it is just more irritating. On Unplugged the instruments have lost that deliciously right timbre and tone. Total lack of analog like sweetness and the system could even be mistaken for solid state. It has aquired a solid state like impression of power though. Foot stomp/tapping is more audible with a bass like presence. Sibilants, S's are pronounced like they linger too long. Capton's voice is both murky and harsh at the same time. Overall, a great loss of transparency that makes this obviously a recording and not the musicians in my room.
On Buddy Guy, a lack of clarity on the voices. Also irritation when things get peaky. Jr's harmonica is dark and lacking the usual bouncy excitement. Guitar tone seems lacking in higher frequencies. Again though, I hear more intense feet to the floor sounds. Need to play something with bass to see what happens there.
On to Defranco's live disc. If you have any interest at all in this artist, just buy this one. You might not love all of it, but the good stuff is just great. On this disc, the energy is all there, but on the irritating side when things get loud. Voice comes off better than the other two discs, but not at all what I am used to. Bass? Well, it seems tighter, but not better or stronger. Her guitar rings out as usual with plenty of power, but, again the timbre is off making everything less interesting. When the music quiets down, a perception of transparency sets in that approaches what I am used to here.
Thats it for now, stay tuned for day 2, etc. to come.
hifiharv

Showing 5 responses by jea48

and new breaker box with all new breakers.

Manufacture? Style number?

Breakers, AFCI? Do the single pole 15 and 20 amp breakers have a TEST button on the front of the breaker near the off position side of the handle?
Look anything like this?
Square D Homeline AFCI
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Some good comments by the others, but the first thing I would do is to get a multimeter and measure the AC line voltage. Perhaps it is significantly higher than it had been, and perhaps your vintage equipment isn't happy with that. Or perhaps for some reason it is too low.
03-19-14: Almarg
Great suggestion Al.
I would take the voltage reading with the audio equipment turned on and playing music. That will give a true loaded voltage reading.
Jim
Harv, I see in some of your past posts that you are probably using a pair of vintage Fisher monoblocks. What model would they be? And perhaps a bias readjustment is in order, if the amps have adjustable bias and if my suspicion is correct that a change in AC line voltage may have affected their sonics.
03-19-14: Almarg
Al,

Very plausible.
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Hifiharv said:
Total lack of analog like sweetness and the system could even be mistaken for solid state.
Jim
Hifiharv,

Did you get a chance to look at the new electrical panel?
Manufacture, style, and series? Info should be on the inside of the hinged cover door.

Also would like to know if the AHJ, (Authority Having Jurisdiction), in this case the electrical inspection department in your area follows NEC 2011 and or NEC 2014 Code and required AFCI, (Arc Fault Circuit Interrupter) breakers for the 120V 15 and 20 amp outlet branch circuits feeding areas, rooms, as required by NEC Code.

http://www.nachi.org/arc-fault-circuit-interrupters.htm

http://www.afcisafety.org/qa.html

http://en.wikipedia.org/wiki/Arc-fault_circuit_interrupter
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Thanks,
Jim
Has anyone mentioned conductors, randomly placed in a conduit, will induce voltages in one another(unlike, say- romex conductors, with a ground between them)? Just mentioned that, because the OP said his new lines were underground.
03-20-14: Rodman99999

Just guessing the underground service feeder from the transformer to the line side of the meter socket was installed by the utility power company. Also just guessing the new underground service is a 200 amp. Usually the power company will use direct burial triplexed aluminum direct burial wire. For a 200 amp service, two insulated 4/0 hot conductors and one insulated 2/0 neutral conductor.

Example of:

https://www.platt.com/platt-electric-supply/URD-Type-Triplex/Multiple/4A22A1URDSWEX1000/product.aspx?zpid=62925

https://www.platt.com/platt-electric-supply/URD-Type-Triplex/Multiple/4A22A1URDSWEX1000/product.aspx?zpid=62925
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Jim