M 903 Tube Microphone Power Supply (TF39, TF47, TF51, AK-47MkII, AR-51, M16)
Designed and assembled in the USA, this compact power supply design provides safe and reliable power in a small footprint. The circuit features premium quality capacitors, improved regulation, and RF suppression. The M 903 has an on-board 3-position polar pattern switch, and will power one AK-47MkII, AR-51, M16, TF39, TF47, or TF51. 7-Pin XLR Pin-out: 1 – B+ (120VDC) 2 – Heater (6VDC) 3 – Polarizing (0/60/120VDC) 4 – Ground 5 – Audio (-) 6 – Audio (+) 7 – Ground
Please note this item is built to order. An estimated ship date will be provided by our sales team.


M 903 Tube Microphone Power Supply (TF39, TF47, TF51, AK-47MkII, AR-51, M16)
Designed and assembled in the USA, this compact power supply design provides safe and reliable power in a small footprint. The circuit features premium quality capacitors, improved regulation, and RF suppression. The M 903 has an on-board 3-position polar pattern switch, and will power one AK-47MkII, AR-51, M16, TF39, TF47, or TF51. 7-Pin XLR Pin-out: 1 – B+ (120VDC) 2 – Heater (6VDC) 3 – Polarizing (0/60/120VDC) 4 – Ground 5 – Audio (-) 6 – Audio (+) 7 – Ground
Please note this item is built to order. An estimated ship date will be provided by our sales team.

