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hschaser 22nd September 2013 10:01 AM

Correct wiring types

I had just bought a 6n3 x2 tubes and 6Z4 tube SRPP pre-amp kit.
I am in the process of running them in.
As the tube sockets came soldered onto the PCB board, I would like to find out what type of cables are suitable for use if i decides to mount the Tube sockets onto a chassis.
Would the it sound better if I change the 6N3 tubes (china) to it's western equivalent?

Thank you for your precious advice.

TonyTecson 22nd September 2013 10:06 AM

#22 solid hookup wires...

6N3 russian, 2c51, 5670 are equivalents.....

Funker 22nd September 2013 12:58 PM



I would like to find out what type of cables are suitable for use if i decides to mount the Tube sockets onto a chassis.
For my projects I use ordinary common available switchgear/ equipment wire.
I came across of a large number of these wires in different sizes and colours when the city of Hamburg modernized their telephone equipment and cleared the warehouses from now obselete spare parts. That was way back in 1991.

The size of the wires depends on the expected current. AWG 17/18 0.75 mm˛ for mains/ heater circuits , AWG 23 /24/ 0.3 mm˛ for signal pathes. In some cases screened wires. Safety grounds / Earth are always AWG 16 1.5 mm˛
I prefer wires with solid conductors as I have.

I always pull spaghetti over mains wires to improve the safety of the circuits. We got 230V mains voltage here.


DavesNotHere 22nd September 2013 02:10 PM

On the studio gear I make:
I use primarily 587 wh005 alpha wire. I'll use also the solid 20ga version thite pfte wire) then I jacket with fiberglass sleeve (comes in white then I spray paint it with engine paint lightly with what ever color I want),

I also like the cloth sleeve wire at for my vintage repairs and new guitar amp builds.

Eli Duttman 22nd September 2013 04:25 PM

Good suggestions were made by the previous posters. Another useful option is silver plated copper wire, with "Kynar" insulation. That stuff is is used for wrapped connections and works very well, when soldered into place.

Plenty of suitable, solid core, wire in the 22 to 24 AWG size is available. Use something decent that you can obtain locally and whose price is relatively favorable.

hschaser 23rd September 2013 01:22 AM

Thank you all for advice, as far as I know the 6N3 tubes are primarily for signal (pls forgive me for my ignorance) should I use good signal cable for the signal path and thicker cable for the electrical path? The 6Z4 is primarily a rectifier tube which provides power, what type or size is recommended for it's purpose.

hschaser 23rd September 2013 01:24 AM

BY the way here in Singapore, we also uses AC 230 mains.

Thank you

Eli Duttman 23rd September 2013 02:42 AM

Use the preamp, as is, for a while. Get to know what its strengths and weaknesses are. Then, you can try "rolling" tubes. Make only 1 change at a time.

Unless the stuff that came with the kit is utter garbage, wire is (IMO) way down on the list of things to tweak. For instance, Chinese electrolytic capacitors are not well thought of. Replacement of the kit's 'lytics by Panasonic or Nichicon 105o C., low impedance, parts is a possible modification.

TonyTecson 23rd September 2013 04:13 AM

the original 5Z4 were metal types, i still have several american made tubes,
the Chinese used a shouldered tube in their current production 5z4's....

5Z4 @ The National Valve Museum

btw, i also worked in Singapore from 1997 till 2000 working in Pulao Sakra....i stayed in Clementi...

hschaser 27th September 2013 05:52 AM

thanks Eli for your sound advise will definitely do.
AJT>>> wow fantasitic, a lot of changes since you were last here.
And for your advice thanks too.

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