This RCA male to RCA male audio patch cable featuring high quality RCA connectors, and the ultra flexible unbalanced microphone cable
This is a single hexagonal shape Phono / RCA / Cinch plug with chrome plated housing、gold plated contact and soldering termianl used to transfer a mono or unbalanced signal through an audio cable. Often used to terminate RCA leads.
Rare 1940s RCA BE-1A Passive EQ Pair – Predecessor to the EMI RS 135 ✨Up for sale a pair of 1940s RCA BE-1A presence equalizers – the legendary predecessor to the EMI RS 135 presence EQ. No electricity required!The sound go through the craftsmanship in these old analogue RCA transformer is always...
Dr solutions distribution vous simplifie la vie
12" co-axial speaker, see blog.
RCA Aeropressure microphone
The 1625 is similar to the 807, except that the filament is 12 volts instead of 6, and the base has 7 pins instead of 5. Plus this particular wartime 1625 is a little bigger than the JAN 807 in the other photo. The tube had the same uses as the 807, and once again it's hard to imagine winning WWII without them. Give yourself a hand, sailor.
The 3B25 and 3B28 are newer tubes that were designed to get around the scarier issues with mercury-vapor rectifiers. They contain xenon gas, and I think they can be substituted for the 866A. They are much less prone to arc-back, and general scariness. This tube looks brand new, and ready to conduct electricity in one direction for many productive years.
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The classic transmitting triode, which launched a million DX blastoffs in the Collins 30L-1 linear and similar designs since. This is the original version, looking all buff in the shoulder (ST) envelope. Don't shoulder tubes look cool anyway? The semi-readable markings on the base, and the design of the plate cap (which differs from the ones sold to civilians) indicate this is a JAN tube, made in the 1940s or 50s. I don't have the box, but I suppose it had the inevitable "One Electron Tube" and very little else. 811As are still used in new ham radio power amplifiers and some hard-core audio gear. Several companies make new ones. The ones I know about are Svetlana, Taylor, and Marshall.
