"3 Pin XLR Wiring Diagram, Cable Wiring, Etc."

Cable designed for being cut into standard mic cables may have 2 pairs of wire and a shield around the outside, in that case pair the colors together and make sure they go to the same pin number on each end. The surrounding shield should be soldered to pin 1. Balanced audio cable designed for installs usually has a black, white, and ground wire. The uninsulated ground wire should go to pin 1, the red wire to pin 2, and the black wire to pin 3.

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Volume Pots & Knobs

Good brands that have been recommended to me are Bournes and Clarostat. I use them exclusively in my own mics.
Use 100 - 250k for Shure Hi-Z CM's and CR's
Use 1 - 5 meg for Astatic MC-151 crystal elements
I like the Clarostat RV6 military-grade pots for installation in tight spots. They are small and easy to mount (1/8" shaft). Good for Bullets, T-3's and others fitting in a tight space. But the prices have nearly doubled in recent months. These are great pots, though.
For knobs, try the Kilo aluminum knobs. Small and durable. Fits 1/4" and 1/8" shafts.

Volume Pot Wiring Diagram

If you want the pot to turn in the opposite direction, pins 1 and 3 can be reversed. Be sure to always ground to the shell to avoid hum! I normally drill a hole inside the shell and attach a ring terminal with three ground wires - one to the element, one to the pot, and one to the connector.

Shure CM/CR Polarity

Looking at the back of the element with the lettering facing you (and usually upside down), the hot is left and ground is right. There is usually a red dot on the plastic indicating "+".

XLR-1/4" Wiring

Connect the XLR's Pin 1 to the XLR ground lug and to the 1/4" ground

Connect the XLR's Pin 3 to the 1/4" Tip

Preamp Tubes - Improve The Sound Of Any Tube Guitar Amp In An Instant!

Preamp tubes are rated in percentage of output. The higher the percentage, the hotter the tube. If you can't turn your amp up past 2 before it begins to feed back, then it's time for a tube change. They're not that expensive, so you might as well get an assortment. They're self-biasing and any tube can go in any preamp socket. The order will definitely make a difference in the amps tone, so experiment. Look for American-made tubes like Tung-Sol, RCA, Sylvania, and GE. Avoid the Russian tubes if possible.

Tube Type	Percent
12AX7	100
12AT7	70
12AY7	40
12AU7	17

Tube Equivalents

12AX7	ECC83, 7025, 5751, V4004
12AT7	CV10662/455, CV8154/9859, CV4024
12AY7	6072
12AU7	ECC82, E82CC, 12AU7WA, 6189, 5814, 5814A, 5963, 6067, 6680, ECC802(S), 7316, 7730, B329, B749, CV4003, M8136, 7801

"3 Pin XLR Wiring Diagram, Cable Wiring, Etc."

Volume Pots & Knobs

Good brands that have been recommended to me are Bournes and Clarostat. I use them exclusively in my own mics.

Use 100 - 250k for Shure Hi-Z CM's and CR's

Use 1 - 5 meg for Astatic MC-151 crystal elements

I like the Clarostat RV6 military-grade pots for installation in tight spots. They are small and easy to mount (1/8" shaft). Good for Bullets, T-3's and others fitting in a tight space. But the prices have nearly doubled in recent months. These are great pots, though.

For knobs, try the Kilo aluminum knobs. Small and durable. Fits 1/4" and 1/8" shafts.

Volume Pot Wiring Diagram

If you want the pot to turn in the opposite direction, pins 1 and 3 can be reversed. Be sure to always ground to the shell to avoid hum! I normally drill a hole inside the shell and attach a ring terminal with three ground wires - one to the element, one to the pot, and one to the connector.

Shure CM/CR Polarity

Looking at the back of the element with the lettering facing you (and usually upside down), the hot is left and ground is right. There is usually a red dot on the plastic indicating "+".

XLR-1/4" Wiring

Connect the XLR's Pin 1 to the XLR ground lug and to the 1/4" ground

Connect the XLR's Pin 3 to the 1/4" Tip

Preamp Tubes - Improve The Sound Of Any Tube Guitar Amp In An Instant!

Tube Type

Percent

12AX7

100

12AT7

70

12AY7

40

12AU7

17

Tube Equivalents

12AX7

ECC83, 7025, 5751, V4004

12AT7

CV10662/455, CV8154/9859, CV4024

12AY7

6072

12AU7

ECC82, E82CC, 12AU7WA, 6189, 5814, 5814A, 5963, 6067, 6680, ECC802(S), 7316, 7730, B329, B749, CV4003, M8136, 7801

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