D104 mics

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Aug 15, 2023 · Many CB base stations came with D-104 mics as stock mics. Although many Browning base radios had D-104 used on them, this wasn’t the stock mic. The stock mic that came with the Browning base was the banana mic manufactured by Electro-Voice. Browning, however, did offer the Astatic D-104 with the Browning logo on the back of the head as an option. or Best Offer. Sponsored. Astatic D-104 Microphone Head Only - Untested. Parts Only. $24.99. joh35914667 (76) 100%. Buy It Now. +$5.93 shipping. New Listing Vintage ASTATIC D-104 CB Ham Radio Microphone T-UG8 Stand - 4pin FEMALE Coupler. 110 product ratings - Astatic D-104 MIC Microphone Early Model G Base 4 Pin Ham CB Radio Mic TESTED. $128.85. quality-variety-plus (56) 100%. or Best Offer +$14.50 ... Nov 2, 2012 · Hums are usually low frequency 60 cycle and are caused by poor shielding or an open ground. Feedback is high frequency often around the pitch of a whistle and caused by RF feedback into the mic line. Reducing the mic gain or adding chokes or bypass caps help here. The last symptom is confusing. Description. Astatic D104M6B Power Microphone. The Astatic D104M6B amplified CB power mic is the handheld version of the revered deskmic, in fact the Silver Eagle is now able to live on in this microphone in terms of modulated audio, clarity, and exceptional quality. This is the ideal microphone for loud mobile or base station use.NEW YORK, Jan. 21, 2021 /PRNewswire/ -- After a nail-biting inaugural season, The Mic: Africa -- the first music competition and docu-series TV fo... NEW YORK, Jan. 21, 2021 /PRNew...Astatic T-UG8-D104 instructions Subject: Microphone Created Date: 3/28/2002 3:02:16 PM ...50% price drop. $49.99. Free Shipping. Add to Cart. Price Drop. Vintage RARE 1950's Astatic D-104 crystal "Lollipop" microphone Chrome w period Astatic E6G desk stand. Used – Non Functioning. Escondido, CA, United …

Custom Call Letters 4 Silver & Golden Eagle Astatic D-104 Vintage Microphones. Opens in a new window or tab. $74.99. Save up to 15% when you buy more. or Best Offer. 78goldwingrob (1,271) 99.1% +$8.45 shipping. 55 watchers. GW 40K - Forge World Chaos Space Marine Night Lords Rhino Doors painted (5B2D)Price Drop. Vintage RARE 1950's Astatic D-104 crystal "Lollipop" microphone Chrome w period Astatic E6G desk stand. Used – Non Functioning. Escondido, CA, United States. $135. $6 price drop. $129. Add to Cart. 14-Day Return Policy.Let's take a quick look at the classic Astatic D-104 microphone!Subscribe: https://youtube.com/user/davecasler. Ask Dave Playlist: https://goo.gl/inaQeB. Tip...Yes I have 2 complete D-104's that are acting the same way. I have 3 Washington's My 3rd the D104's is dedicated to the Frankenstein radios that has power for the mic from the radio. It does work. On the 2 failing mics, If I crank up the mic gain attenuator till it overdrives and squeals and just back it off, I can hear the audio on …item 2 Astatic D-104 Night Eagle 6-Pin Microphone - Tested & Works Astatic D-104 Night Eagle 6-Pin Microphone - Tested & Works. $97.00 21 bids 2d 5h +$14.49 shipping.or Best Offer. Sponsored. Astatic D-104 Microphone Head Only - Untested. Parts Only. $24.99. joh35914667 (76) 100%. Buy It Now. +$5.93 shipping. New Listing Vintage ASTATIC D-104 CB Ham Radio Microphone T-UG8 Stand - 4pin FEMALE Coupler.The D-104 is a very high impedance microphone (>1M Ohms) and it is commonly known that the low frequency response will drop off at a much higher frequency if it's terminated with a low impedance. Feeding a 600 Ohm amplifier input will demonstrate this dramatic effect. Some D-104 microphones have a two stage transistor pre-amp in the base.Old vs New D104-M6? I've read/heard that the newer, aka "overseas-junk," versions of the D104M6B have a raised, or "bubble" type sticker with blue lettering and a red lighting bolt and the older, vintage, better quality, made in Ohio, USA D104M6B's have an embossed label stamped "Astatic" into the plastic of the mic body.

Beautiful USA made 1970’s Astatic model D104 Golden Eagle “lollipop” style microphone with T-UG9 amplified stand.This rare Golden Eagle was produced in 1976 to commemorate the USA Bi-Centennial. It is the top of the line for vintage Astatic mics and this one is in very good cosmetic and working condition.This microphone has been upgraded ... Hey gang, I repair/refurbish D104's all the time, mostly TUG8's. A common failure is something on the amp board going bad-weak. I do collect good boards from cosmetically bad mics for parts. I would like to repair the boards. Fairly simple. Two 2SC945 transistors and 5 caps and 5 resistors. I got a supply of the transistors in.This auction is only for the "W2ENY HIFI D-104 Replacement" kit with short tinned leads, resistor jumper and new black felt shown in the pic - all else in the pic is shown for illustration only. Electret Mic element, resistor/jumper, black felt and instructions are included. This replacement is ONLY for D-104s having the TUG8 or TUG9 stand with ...The D104-M6 preamplifier is powered by a readily available, easily replaced, 9 volt battery. The D104-M6 has a six wire coil cord which allows for relay, electronic or virtually any type hookup with almost any transceiver. The audio line is open during receive. Ceramic Power Microphone. Molded Black Tough ABS Housing. Chrome Plated Grille Screen.

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Website. www.cadaudio.com. The Astatic Corporation is a commercial audio products manufacturer founded in Youngstown, Ohio in 1933. Astatic formed CAD Professional Microphones in 1988 as a division of Astatic. The company reorganized as Omnitronics LLC in 2000, and later combined CAD, Astatic and Omnitronics under the CAD Audio brand.Available on Amazon - https://amzn.to/3GbEtis Just sharing an interesting audio modification for the D104M6B microphone. For additional information and disc...Dec 27, 2014 ... Share your videos with friends, family, and the world.The TUP9-D104SKE Silver K Eagle and the TUP9-D104NKE Night K Eagle are versions of the original D104 microphone. These microphones feature a unique End of Transmission Signal (ETS) with two different and distinctive sounds. The first is a Morse code "K" which is the universal telegraph abbreviation for "over". The second switch selectable sound ...

Scrape the old felt off with a paint scraper and sand off with a jitterbug sander. Apply an even coat of contact cement on the bare plate and let tack dry. Put the new felt on and trim. Use an X-Acto knife to trim the pot adjustment hole and the chamfered screw holes; it pays to use a fresh blade. Takes 10-20 min - tops.Beautiful USA made 1970’s Astatic model D104 Golden Eagle “lollipop” style microphone with T-UG9 amplified stand.This rare Golden Eagle was produced in 1976 to commemorate the USA Bi-Centennial. It is the top of the line for vintage Astatic mics and this one is in very good cosmetic and working condition.This microphone has been upgraded ...110 product ratings - Astatic D-104 MIC Microphone Early Model G STAND 4 Pin MALE Ham CB Untested. $58.00. kcdesignerdepot (7,949) 98.7%. Buy It Now +$10.10 shipping.The original D-104 was designed to mount in a ring, suspended by springs, just like the old double button carbon mics, so the crystal cartridge must have been hard-mounted to the case, and the acoustical isolation was provided by the springs.General. I purchased an astatic d104 with a dead ceramic element with the plan of upgrading it to an electret mic for my modern ham radio. I've used an authentic high impedance d104 previously with my old tube radio and I love the aesthetic of it. So I wanted to setup something similar form and function with my new radio, but with modern innards.Review Summary For : ASTATIC \"GOLDEN EAGLE\" D-104; Reviews: 3 MSRP: 149.99; Description: 18 Carat GOLD PLATED version of the Classic D-104(TUG9) amplified stand.Only 10,000 NUMBERED microphones were made.Silver Eagle D-104 microphone with preamplifier. A clear Vintage collectors version of the venerable Astatic D-104. good quality, functional. Good buy! Verified purchase: Yes | Condition: Pre-owned. 5 out of 5 stars. by ko4996 Dec 22, 2021. Love these microphones .Vintage Astatic D-104 Lollipop Ham CB Radio Microphone. Used – Very Good. Huntington Beach, CA, United States. $74.99. $74.99. Free Shipping. Add to Cart. Vintage 1950's Astatic E-5 microphone desk stand silver 77A DNHZ DR10 Atlas Shure Turner # 3. Used – Excellent.

Jan 13, 2019. #13. These types of modifications do wonders at increasing the bass response of a good D-104 element. The input impedance to the pre-amp is what controls the bass response. You can add a 2.5 meg or 4.7 meg ohm pot across the gate to ground if you want to adjust (reduce) the bass.

Vintage RARE 1940's Astatic WR40 / WR20 quad crystal microphone / mod LED lamp light w cable D104 T3. Used – Excellent. Escondido, CA, United States. $365. $365. Add to Cart. Vintage RARE 1950's Astatic K2S crystal microphone w period Astatic E6G stand T3 D104 JT30. Used – Non Functioning. Escondido, CA, United States.Old vs New D104-M6? I've read/heard that the newer, aka "overseas-junk," versions of the D104M6B have a raised, or "bubble" type sticker with blue lettering and a red lighting bolt and the older, vintage, better quality, made in Ohio, USA D104M6B's have an embossed label stamped "Astatic" into the plastic of the mic body. Vintage RARE 1950's Astatic D-104 crystal "Lollipop" microphone Chrome w period Astatic E6G desk stand. Used – Non Functioning. Escondido, CA, United States. $135. $6 price drop. $129. Add to Cart. 14-Day Return Policy. Vintage RARE 1940's Astatic D-104 crystal "Lollipop" microphone Chrome w handle. The Astatic D-104 has been around since 1933 when it was used to drive valve radio’s efficiently with it’s high output. It wasn’t until the 1960’s that a solid state amplifier was incorporated into the design. The D-104 is certainly a very solid microphone and has the old time “Lollipop” look. Personally I don’t like the look of ...Nov 2, 2012 · Hums are usually low frequency 60 cycle and are caused by poor shielding or an open ground. Feedback is high frequency often around the pitch of a whistle and caused by RF feedback into the mic line. Reducing the mic gain or adding chokes or bypass caps help here. The last symptom is confusing. The Astatic D104M6B amplified CB power mic is the handheld version of the revered deskmic, in fact the Silver Eagle is now able to live on in this microphone in terms of modulated audio, clarity, and exceptional quality. This is the ideal microphone for loud mobile or base station use. The D104M6B series microphones are quality performance ...Vintage RARE 1940's Astatic D-104 crystal "Lollipop" microphone Chrome w handle. Used – Non Functioning. Escondido, CA, United States. $119. $119. Add to Cart. 14-Day Return Policy. Vintage 1960's Astatic D-104 crystal "Lollipop" microphone Chrome w F-11 adapter Hi Z harp # 9. Used – Excellent.

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Intended to upgrade old desk mics such as the D-104, 444, and others, even those "made" by radio manufacturers, these kits provide the parts to update almost any desk microphone that has a broken or bad sounding element. These new elements are a fantastic upgrade from that constricted, muffled, bad sounding legacy desk microphone element. D-104. The TUP9-D104SP Special is a combination of the original super talk-power D104 crystal microphone with a transistorized rugged, versatile TUP9SP Stand. The Special is finished in receive urethane and polished chrome. It features a grip-to-talk bar and a press-to-talk bar. The TUP9-D104SP is compatible with the "G" series of microphones.The D104-M6 preamplifier is powered by a readily available, easily replaced, 9 volt battery. The D104-M6 has a six wire coil cord which allows for relay, electronic or virtually any type hookup with almost any transceiver. The audio line is open during receive. Ceramic Power Microphone. Molded Black Tough ABS Housing. Chrome Plated Grille Screen.The mic element is in fine shape and working great as tested on my other D104 mics. Used a Jonard OB-1/3 burnisher tool on the contacts along with Deoxit D5. Here’s the parts list. Planned on only replacing the capacitors unless forum wisdom says otherwise. 1. 5K Ohm Horizontal Slotted Wheel Trimmer Potentiometer59. Aug 2, 2022. #5. In the D104 manual (see attached) it suggests installing that resistor in cases where the gain from the mic is too hot. The best use of the mic amp circuit is to have the gain of the mic about 1/2 way up so you can benifit from its equal amplification within its frequency range. I have seen some instances where folks use ...The Astatic D-104 has been around since 1933 when it was used to drive valve radio’s efficiently with it’s high output. It wasn’t until the 1960’s that a solid state amplifier was incorporated into the design. The D-104 is certainly a very solid microphone and has the old time “Lollipop” look. Personally I don’t like the look of ...Vintage RARE 1950's Astatic D-104 crystal "Lollipop" microphone Chrome w period Astatic E6G desk stand. Used – Non Functioning. Escondido, CA, United States. $135. $6 price drop. $129. Add to Cart. 14-Day Return Policy. Vintage RARE 1940's Astatic D-104 crystal "Lollipop" microphone Chrome w handle. The TUP9-D104NE Night Eagle is a combination of the original super talk-power D104 crystal microphone with a transistorized rugged, versatile TUP9NE Stand. The Night Eagle is finished in receive urethane and polished brass and features a grip-to-talk bar and a press-to-talk bar. The TUP9-D104NE is compatible with the "G" series of microphones. Vintage Astatic Silver Eagle D-104 Lollipop Microphone FOR PARTS REPAIR NO PLUG. Parts Only. $90.00. Top Rated Plus. or Best Offer. shelbillypicker (5,116) 100%. +$70.15 shipping. Free returns. New Listing Vintage Astatic D104-M6B "Black Label" Ham/CB Power Mobile Microphone EUC. Time Owned: 0 to 3 months. This Astatic is a clear sounding microphone. but lacks bass response. I believe lower bass is about 400Hz. I am using the Astatic into a 600 ohm load. Frankly, I prefer a Power Comm amplified microphone that has about 200Hz to 6000Hz response and costs $16.95 on eBay or about 1/3 the cost of the Astatic D104-M6B. 93. wisconsin. Jul 8, 2013. #8. i have been using these to mount the element to, makes it easy to install in the d104 head: Round PCB Kit (5-Pack) : PCB Kits | RadioShack.com. also the + on the element goes to the white wire in the d104 head, and the - on the element goes to the red wire in the d104 head. 1 person. ….

Disney has announced an update for 2024 that will allow guests to pre-plan through Genie+ before the day of their visit. Save money, experience more. Check out our destination home... About This Listing. Offering a vintage 1950's ASTATIC D104 Crystal Microphone Element, model MC-320. This element was removed from a working D-104 to facilitate an upgrade, has been tested and produces a strong output with a wicked mid-rangy audio profile. Perfect for a vintage sound or replacement element for amplified blues harp. Astatic D104 M6B Amplified Mic. $59.95. D104M6B – Ideal microphone for loud mobile or base station use. Hurry! only 6 left in stock. Add to cart. SKU: D104M6B Category: Microphones Tags: 636LCF, Astatic. Description. D104 M6B …Astatic D-104 Microphone 2 Line Callsign Flag - Ham Radio-Amateur Radio-CB. Opens in a new window or tab. Brand New. $21.99. hamcrazystore (2,988) 100%. or Best Offer. Free shipping. VINTAGE ASTATIC D104 CB BASE MICROPHONE. Opens in a new window or tab. Pre-Owned. $24.95. leftyc (7,571) 100%.We’re all stuck with virtual-only conferences for the foreseeable future. And while this format isn’t ideal, and we all miss the in-person interaction, we might as well make these ...That one looks very similar to the old Johnson crystal elements. I had some old hand mics, and tried them in my D104. Unfortunately, the units I had were dead. Boo! I have been told they sound great, though. The kit looks nice. I have a Heil HC-5 around here somewhere that I used in a dead head D104, and it worked really well.Astatic D-104 Microphone 2 Line Callsign Flag - Ham Radio-Amateur Radio-CB. Opens in a new window or tab. Brand New. $21.99. hamcrazystore (2,988) 100%. or Best Offer. Free shipping. VINTAGE ASTATIC D104 CB BASE MICROPHONE. Opens in a new window or tab. Pre-Owned. $24.95. leftyc (7,571) 100%.Jan 5, 2023 ... Just a comparison between these two ubiquitous microphones. The Turner has a compression circuit to subdue overdrive that seems to work ...The Astatic D104M6B amplified CB power mic is the handheld version of the revered deskmic, in fact the Silver Eagle is now able to live on in this microphone in terms of modulated audio, clarity, and exceptional quality. This is the ideal microphone for loud mobile or base station use. The D104M6B series microphones are quality performance ... D104 mics, D104, D. 104, or D-104 may refer to: D104 road, a road in Croatia; D-104 microphone, a microphone commonly used in broadcasting; D. 104, The Symphony No. 1 by Louis Moreau Gottschalk This page was last edited on 26 July 2021, at 00:42 (UTC). Text is available under the Creative Commons ..., Even the newer models are excellent. Can't go wrong with it. I think the older D104's battery situation is a bit outdated - though. The newer D104's require the common and much cheaper 9v battery - instead of the older and harder-to-find 'stacked' battery found in the older models of these mics. Which are twice the price as the more common 9v., Astatic D- 104 MIC FLAG Microphone. Pre-Owned. 109 product ratings. $39.00. tcraig626 (82) 100% or Best Offer. +$13.30 shipping. Astatic D104M6B Amplified Ceramic Power 4-Pin CB Microphone For Cobra Uniden NEW. Brand New. 147 product ratings. $44.99. transel (26,497) 100%, ASTATIC D-104 Desktop Stand Amplified Microphone Lots SSB Ham CB Radio UG8 4pin. Parts Only. $38.98. donedeal69 (3,813) 99.4%. or Best Offer. +$22.98 shipping. Astatic D104 Amplified Silver Eagle desktop Microphone lots Cb radio ham ssb. Parts Only. $148.98., By the way, the D-104 model number technically refers to the mic head--the base doesn't matter. Mine is on a floor stand; it's still a D104. To get the best performance, you have to pair the D-104 with the right audio load impedance. The original D-104 was intended to be used with a tube speech amplifier using a grid resistor of 5 to 10 megohms., The TUP9-D104SKE Silver K Eagle and the TUP9-D104NKE Night K Eagle are versions of the original D104 microphone. These microphones feature a unique End of Transmission Signal (ETS) with two different and distinctive sounds. The first is a Morse code "K" which is the universal telegraph abbreviation for "over". The second switch selectable sound ..., Even the newer models are excellent. Can't go wrong with it. I think the older D104's battery situation is a bit outdated - though. The newer D104's require the common and much cheaper 9v battery - instead of the older and harder-to-find 'stacked' battery found in the older models of these mics. Which are twice the price as the more common 9v., Host Gabe Howard shares the top guest quotes that moved him deeply in 2021. To cap off 2021, we gathered some mic-drop meaningful moments from some of the year’s guests to reflect...., Nov 8, 2014. #9. as far as loading pics, use the middle button - upload a file - and browse to the pic on your drive and select the file. it will then upload and under the button you get another button set. put the cursor where you want to insert the image and choose between the thumbnail or a full sized image., South Mississippi. Aug 3, 2009. #2. W1EMQ said: Any one have a wiring diagram for D104 with pre-amp but with no E/R switch? All of the specs I've downloaded show this slide switch. Mine does not have one and I need to check the wiring layout of my old mic. Years ago I did a mod but I cannot now recall what or why., The D-104 microphone is a popular handheld microphone that has been widely used in amateur radio operations. It is known for its distinctive design and high-quality audio performance. The microphone consists of several key components that contribute to its functionality and durability., An Excellent And Inexpensive Microphone Upgrade For The Classic Astatic D-104 Microphone Head. A very nice and inexpensive upgrade for a weak or non-working Astatic D-104 microphone element. The Astatic D-104 is a true classic in the world of ham radio and it seems the removable/replaceable head and base just last forever., Put the D104 at maybe 30% as mentioned. With a power meter connected to the radio and using a 1kHz tone fed into the mic (mobile phone app will do) at a normal speaking volume, up the mic gain on the radio until you get max output power. If you start getting over 3/4 mic gain on the radio up the D104 a bit., 110 product ratings - Astatic D-104 MIC Microphone Early Model G Base 4 Pin Ham CB Radio Mic TESTED. $128.85. quality-variety-plus (56) 100%. or Best Offer +$14.50 ... , The Astatic D104M6B amplified CB power mic is the handheld version of the revered deskmic, in fact the Silver Eagle is now able to live on in this microphone in terms of modulated audio, clarity, and exceptional quality. This is the ideal microphone for loud mobile or base station use. The D104M6B series microphones are quality performance ... , The rework process of the MEMS microphone should be carried out using a rework station. 1. Preheat the board to 100°C to 125°C. 2. Place a 6 mm × 6 mm square nozzle over the …, That one looks very similar to the old Johnson crystal elements. I had some old hand mics, and tried them in my D104. Unfortunately, the units I had were dead. Boo! I have been told they sound great, though. The kit looks nice. I have a Heil HC-5 around here somewhere that I used in a dead head D104, and it worked really well., The rework process of the MEMS microphone should be carried out using a rework station. 1. Preheat the board to 100°C to 125°C. 2. Place a 6 mm × 6 mm square nozzle over the …, The D-104 is a very high impedance microphone (>1M Ohms) and it is commonly known that the low frequency response will drop off at a much higher frequency if it's terminated with a low impedance. Feeding a 600 Ohm amplifier input will demonstrate this dramatic effect. Some D-104 microphones have a two stage transistor pre-amp in the base., Astatic D104M6B Power Microphone - 302-10005 Astatic D104M6B Power Microphone The Astatic D104M6B amplified CB power mic is the handheld version of the revered deskmic, ... The D104-M6B preamplifier is powered by a readily available, easily replaced, 9 volt battery. The D104-M6B has a six wire coil cord which allows for relay, electronic or ..., An Excellent And Inexpensive Microphone Upgrade For The Classic Astatic D-104 Microphone Head. A very nice and inexpensive upgrade for a weak or non-working Astatic D-104 microphone element. The Astatic D-104 is a true classic in the world of ham radio and it seems the removable/replaceable head and base just last forever., About This Listing. Offering a vintage 1950's ASTATIC D104 Crystal Microphone Element, model MC-320. This element was removed from a working D-104 to facilitate an upgrade, has been tested and produces a strong output with a wicked mid-rangy audio profile. Perfect for a vintage sound or replacement element for amplified blues harp. , Vintage RARE 1950's Astatic D-104 crystal "Lollipop" microphone Chrome w period Astatic E6G desk stand. Used – Non Functioning. Escondido, CA, United States. $135. $6 price drop. $129. Add to Cart. 14-Day Return Policy. Vintage RARE 1940's Astatic D-104 crystal "Lollipop" microphone Chrome w handle., A+++++++++. Astatic D-104 “G” stand non- amplified microphone Hi-Fi electret condenser upgrade kit. These will actually create a power mike swing with a non amplified mic. This kit will work on any D-104, (except “K” model mics), however non-amplified mics will require mounting a 9v battery in the base of the mic to power the …, Jan 18, 2020. #1. Keep wanting a classic D-104 lollipop mic with a Tug-9 base with second switch for true desktop type use vs squeeze activation. Was wondering the differences or compatibility with the old crystal Dynamic style element or newer Electret element when used on 2 different type rigs and if I would want powered or non powered?, The original D-104 was designed to mount in a ring, suspended by springs, just like the old double button carbon mics, so the crystal cartridge must have been hard-mounted to the case, and the acoustical isolation was provided by the springs., Custom Call Letters 4 Silver & Golden Eagle Astatic D-104 Vintage Microphones. Opens in a new window or tab. $74.99. Save up to 15% when you buy more. or Best Offer. 78goldwingrob (1,271) 99.1% +$8.45 shipping. 55 watchers. GW 40K - Forge World Chaos Space Marine Night Lords Rhino Doors painted (5B2D), Astatic D-104 Microphone 2 Line Callsign Flag - Ham Radio-Amateur Radio-CB. Opens in a new window or tab. Brand New. $21.99. hamcrazystore (3,083) 100%. or Best Offer. Free shipping. 62 sold. Astatic D104 LAZY KEY Microphone Adapter great for Silver Eagle, Final Edition. Opens in a new window or tab. Brand New., The D-104 microphone is a popular handheld microphone that has been widely used in amateur radio operations. It is known for its distinctive design and high-quality audio performance. The microphone consists of several key components that contribute to its functionality and durability., The first D-104 microphone was offered for sale in 1933. Originally they had no pre-amplifier in the base and the high impedence crystal element was a good match for the high impedence audio inputs of the tube rigs of the era. During the 1960's a pre-amplifier was added. This was more for matching the microphone element to the more modern rigs ... , Vintage RARE 1950's Astatic D-104 crystal "Lollipop" microphone Chrome w period Astatic E6G desk stand. Used – Non Functioning. Escondido, CA, United States. $135. $6 price drop. $129. Add to Cart. 14-Day Return Policy. Vintage RARE 1940's Astatic D-104 crystal "Lollipop" microphone Chrome w handle., Jul 24, 2013. #20. The 1 K resistor establishes the output impedance of the mic element. The amplifier board has an input impedance of 1 million ohms. That's a very significant mismatch and results in lower audio. I'm guessing those who had good results are using a much higher value resistor between 10 k and 33 k ohms., Sep 3, 2021 ... Share your videos with friends, family, and the world.