100WChris
Well-known member
Hi!
I´m building the Stereo-K13117-Preamp from silent:arts and i have some general question. Stupid question i guess, but i´m not very skilled in electronics (but i´m willing to learn...). ähhh: and sorry for my bad english :-\
1.) I have two in/out-boards from Volker and Phase and Pad are switched by two relays. The PSU has +30V, my relays have 24V. The datasheet says they work up to 36V. can i use them with 30V or is it better to use a resistor to drop the 6V? For my TQ2-24V-Relays I calculated ca. 75R and 0.5W (coil resistance = 2.8K and current = 8,3mA) is that right?
2.) A similar problem: i want to use six LEDS for the switches (pad, phase, 48V). is i better to reduce the 30V with a regulator or can i use the LEDS at 30V with a dropping resistor for each LED?
Thanks for your help!
Chris
I´m building the Stereo-K13117-Preamp from silent:arts and i have some general question. Stupid question i guess, but i´m not very skilled in electronics (but i´m willing to learn...). ähhh: and sorry for my bad english :-\
1.) I have two in/out-boards from Volker and Phase and Pad are switched by two relays. The PSU has +30V, my relays have 24V. The datasheet says they work up to 36V. can i use them with 30V or is it better to use a resistor to drop the 6V? For my TQ2-24V-Relays I calculated ca. 75R and 0.5W (coil resistance = 2.8K and current = 8,3mA) is that right?
2.) A similar problem: i want to use six LEDS for the switches (pad, phase, 48V). is i better to reduce the 30V with a regulator or can i use the LEDS at 30V with a dropping resistor for each LED?
Thanks for your help!
Chris