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canada goose uk outlet I made a pass through my basement to see what radio artifacts (some call it junk) I could unearth. canada goose kensington parka uk I discovered a couple of Astatic D 104 Microphones. (See more old Mics). canada goose outlet usa These Mics were made canada goose shop uk a long time ago and Astatic has a rich history going back to canada goose outlet las vegas 1933. canada goose uk outlet

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canada goose uk black friday Its high canada goose outlet online output voltage canada goose outlet black friday sale was characteristic of crystal elements canada goose jacket outlet uk and its high impedance allowed for direct grid input. The early D 104 mikes used a canadagoosetomall 1 thick case and have a large ID tag along with tapped holes for spring mounts. The case thickness was reduced in April 1937 and smaller tags were then used and the ring holes eliminated. The switch canada goose outlet seattle stand ( Stand) was introduced in January 1938 but didn become popular until much later. The early stand bases were gloss black with metal ID tag. canada goose uk black friday

uk canada goose The canada goose outlet location D 104 canada goose outlet eu continued in production with canada goose outlet toronto little change until the 1960s when a solid state amplifier was added to the stand. In 1976, an eagle and shield was added to canada goose outlet trillium parka black the rear cover to commemorate the US Bicentennial. Other variations appeared from time to time until 2001, when production canada goose outlet new york city ceased, 68 years after the first D 104 was offered. [4] uk canada goose

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canada goose I bought the D 104 about 5 years ago for use with my collection of vintage Kenwood (see them) and Heathkit (see them) canada goose outlet online reviews radios. canada goose

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canada goose uk shop But, both D 104 canada goose uk site really did work that last time I used canada goose outlet buffalo it. canada goose outlet winnipeg Really, no kidding. So I have plans for both of these D 104 microphones. Use one. Gut one canada goose outlet boston and find out why it doesn work (stay tuned for a posting on this) canada goose uk shop

Canada Goose online The D 104 on a modern radio the Yaesu FT 7800 Canada Goose online

canada goose coats on sale The Astatic D 104 was designed in the age of tube radios which require a high impedance microphone. High impedance is usually 5,000 10,000 ohms. Modern solid state radios generally want a microphone of about 600 ohms impedance. canada goose coats on sale

buy canada goose jacket cheap Would the canada goose factory outlet Astatic D 104 work with my modern Yaesu FT 7800 dual band VHF/UHF radio? (read my review of this radio) buy canada goose jacket cheap

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canada goose black friday sale Since I was not sure if it would work I jury rigged a setup using canada goose outlet canada a terminal strip, alligator clips, a telephone extension cable, and some paper clips. It took about 10 minutes to set this up. canada goose black friday sale

canada goose clearance sale On the FT 7800 side FT 7800 canada goose outlet michigan uses canada goose outlet toronto location a modular 6 conductor cable to connect the Mic to the radio. This is also known as a 6 conductor telephone extension cable. You can get this at Wal Mart for a few dollars. I already had one on hand which just encouraged me more to do this experiment. I cut the 6 foot cable in half. Stripped the wires and attached then to one side of the canada goose outlet in chicago terminal strip. The D 104 connections would be on the other side. canada goose clearance sale

canada goose clearance On the canada goose parka outlet uk Astatic D 104 side I did not want to mess with the 4 pin Mic connector already on the Astatic D 104 (wired for my vintage Kenwood radio I found that a bent paper clip fit nicely into the attached Mic plug. Attaching alligator clips to the paper clips would allow me to easily experiment with different connections to the terminal strip canada goose clearance

Canada Goose Jackets Making the connections of the FT 7800 to the Astatic D 104 Canada Goose Jackets

Canada Goose Parka I got a Mic writing diagram from the FT 7800 manual. It couldn be easier to feed audio into the Yaesu FT 7800 and key the radio. It only takes three connections. On the FT 7800 Pins 6,5, and 4 are PTT, Mic, and Ground respectively. Short PPT (6) to Ground (4) to key the radio. Feed Audio into Pin 5. That it. Simple. Canada Goose Parka

Canada Goose Online You can see the connections below and some notes. Canada Goose Online

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canada goose factory sale Before I hooked up the Astatic D 104 power mic people told me I had audio on my Yaesu FT 7800 using the stock mic. Using the D 104 on the Yaesu FT 7800 made a world of difference. On air reports told me to it down One person told me that listening to the D 104 he thought he was required to at attention now hear this. Very loud. I was able to adjust the Mic gain of this amplified Astatic D 104 with the help of several on air personalities on a local repeater. canada goose factory sale

canadian goose jacket So, A++ for the 1960 Astatic D 104 on the Yaesu FT 7800. It really is a from the 1960 Even though it a high impedance mic in a low impedance world of modern radios it works canada goose jacket outlet very well is if you have a D 104 resting somewhere try it on a modern radio. My results were unexpectedly great. canadian goose jacket

uk canada goose outlet There are a number of versions of the Astatic D 104. Some are amplified and some are not. Some have five conductors in the Mic cord and some have three conductors. Both of my D 104 are amplified with 3 conductors (Mic(White), Black, Red, and Shield). Shield is ground which is canada goose outlet in new york also chassis ground on the D 104 uk canada goose outlet

Canada Goose Outlet The Ft 7800 provides +9v on pin 3. You might be temped to use this to power the D 104. Not canada goose outlet vancouver sure that is a good idea more on this later. Canada Goose Outlet

cheap canada goose uk On the inside of the D 104 there is a slide switch. One side is marked E and the other side is marked R. Despite what you might hear from CB folks these do not stand for E(cho) and R(everb). They stand for Relay and Electronic. In the R position pressing PTT connects Red and Black (as in connection). In the E mode canada goose outlet store new york when the PTT is pushed Red is pulled to ground; otherwise Black canada goose outlet authentic is pulled to ground. In the setup below, the switch is set to E and the Red canada goose outlet shop wire is connected to the FT 7800 PTT Pin(6). Pushing PTT on the D 104 takes pin 6 to ground and keys the FT 7800 cheap canada goose uk.

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