I learned from @dlarc that my surprise new Astatic D104 microphone is powered by a 9 volt battery lol. I am happy to let this poor Rayovac retire at 3.6v. Do we think alkaline is the best chemistry here and not say a lithium ion rechargeable?

The attached picture is an excerpt from the AES Ham Radio Catalog Summer 1994 https://archive.org/details/aeshamradiocatal00unse_31/page/44/mode/2up

#batteries #power #microphones #Astatic #d10 #HamRadio

AES Ham Radio Catalog Summer 1994 : Free Download, Borrow, and Streaming : Internet Archive

Internet Archive

@K3LOE @dlarc I saw this via @dlarc!

I recommend trying a ‘taken-battery’ 9-volt lithium rechargeable- they have a usb-c connector to charge. I think they use an internal charge pump to achieve 9v BUT I can attest that they haven’t added any noise when I used them in my kid’s noise-prone toy guitar amp or effects pedals. (Other similar ones do.)

https://taken-battery.com/products/taken-9-volt-batteries-4-pack-usb-rechargeable-high-capacity-1100mah-li-ion-batteries-with-type-c-charging-cable-for-smoke-alarms-detector-electric-guitar-microphone

Taken 9 Volt Batteries 4 Pack USB Rechargeable, High Capacity 1100mAh LI-ion Batteries with Type C Charging Cable for Smoke Alarms Detector, Electric Guitar, Microphone