Shure SM81-LC Cardioid Condenser Instrument Microphone for Guitar, Piano, and...
SKU: 30738034710

Shure SM81-LC Cardioid Condenser Instrument Microphone for Guitar, Piano, and...

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Description

Shure SM81-LC Cardioid Condenser Instrument Microphone for Guitar, Piano, and...The Shure SM81 is a high quality, unidirectional condensermicrophone designed for studio recording, broadcasting, and soundreinforcement. Its wide frequency response, low noise characteristics, and lowRF susceptibility have made it a standard for applications involving acousticinstruments, especially guitar, piano, and cymbals. POWER REQUIREMENTS NOTE: This microphone requires phantom power and performs best with a 48 Vdc supply(IEC 61938). However,

The Shure SM81 is a high-quality, unidirectional condensermicrophone designed for studio recording, broadcasting, and soundreinforcement. Its wide frequency response, low noise characteristics, and lowRF susceptibility have made it a standard for applications involving acousticinstruments, especially guitar, piano, and cymbals. POWER REQUIREMENTS NOTE:This microphone requires phantom power and performs best with a 48 Vdc supply(IEC-61938). However, it will operate with slightly decreased headroom andsensitivity with supplies as low as 11 Vdc. Most modern mixers provide phantompower. You must use a balanced microphone cable: XLR-to-XLR or XLR-to-TRS. Built to withstand the rigors of regular stage and studio use, theShure SM81 unidirectional condenser microphone is a great choice for studiorecording, broadcasting, and sound reinforcement. Its wide frequency response,low noise characteristics, and low RF susceptibility make it a perfect matchfor applications involving acoustic instruments, especially guitar, piano, andcymbals. Ruggedly constructed, the SM81 operates on phantom power and performsover a wide range of temperatures and humidity conditions. It comes with aswivel adapter, attenuator-switch lock, foam windscreen, and case for carryingand storage. Key Features Frequency response. Polar pattern.Flat responsecurve for accurate reproduction of sound sources Low noise and high outputclipping level Low distortion over a wide range of load impedances Cardioidpolar pattern, uniform with frequency and symmetric about axis, providingmaximum rejection and minimum coloration of off-axis sounds Low RFsusceptibility Selectable low-frequency response: flat, 6 or 18 dB/octaverolloff 0 dB/10 dB lockable attenuator switch Phantom powering (DIN 45 596voltages of 12 to 48 Vdc) Rugged steel construction for durability Field-usable over wide range of temperature and humidity conditionsSpecificationsType: Condenser (electret bias) Frequency Response: 20 to 20,000Hz Polar Pattern: Cardioid (unidirectional) response-uniform with frequency,symmetrical about axis Output Impedance: Rated at 150 ohms (85 ohms actual)Recommended minimum load impedance: 800 ohms (May be used with loads as low as150 ohms with reduced clipping level) Output Configuration and Connector:Balanced, transformer-coupled output; male XLR connector Sensitivity (at 1,000Hz): Open Circuit Voltage: -45 dBV/Pascal (5.6 mV); (1 Pascal = 94 dB SPL)Clipping Level (at 1,000 Hz): 800 ohm Load: -4 dBV (0.63 V); 150 ohm Load: -15dBV (0.18 V) Total Harmonic Distortion Less than 0.5% (131 dB SPL at 250 H: zinto 800 ohm load) Maximum SPL (at 1,000 Hz): 800 ohm load: 136 dB (attenuatorat 0) 146 dB (attenuator at -10) 150 ohm load: 128 dB (attenuator at 0) 138 dB(attenuator at -10) Hum Pickup: -3 dB equivalent SPL in a 1 mOe field (60 Hz)Self-Noise (equivalent sound pressure levels; measured with true rmsvoltmeter): 16 dB typical, A-weighted; 19 dB typical, weighted per DIN 45 405Signal-to-Noise Ratio: 78 dB (IEC 651) at 94 dB SPL S/N ratio is differencebetween 94 dB SPL and product's equivalent self noise (SPL A-weighted).Overvoltage and Reverse Polarity Protection: Max. external voltage applied topins 2 and 3 with respect to pin 1: +52 Vdc Reverse polarity protection: 200mA max. (diode-clamped) Polarity: Positive pressure on diaphragm producespositive voltage on pin 2 relative to pin 3 Cartridge Capacitance: 54 pF LowFrequency Response Switch Positions: Flat; -6 dB/octave below 100 Hz; -18dB/octave below 80 Hz Attenuator Switch Positions (Lockable): 0 or -10 dBPower: Supply Voltage: 11 to 52 Vdc, positive, pins 2 and 3 Current Drain: 1.2mA max. Case: Steel construction with vinyl metallic paint finish andstainless steel screens Weight: 8 ouncesThis microphone requires phantom power and performs best with a 48 Vdc supply (IEC-61938). However, it will operate with slightly decreased headroom and sensitivity with supplies as low as 11 Vdc. Most modern mixers provide phantom power. You must use a balanced microphone cable: XLR-to-XLR or XLR-to-TRS.The SM81 is ruggedly constructed. It operates on phantom power and performs over a wide range of temperatures and humidity conditions. It is furnished with a swivel adapter, attenuator-switch lock, foam windscreen, and case for carrying and storage. Other accessories are available.20 Hz to 20 kHz frequency response. Flat response curve for accurate reproduction of sound sources.Low noise and high output clipping level. Low distortion over a wide range of load impedances.Cardioid polar pattern, uniform with frequency and symmetric about axis, providing maximum rejection and minimum coloration of off-axis sounds.Low RF susceptibility.Selectable low-frequency response: flat, 6 or 18 dB/octave rolloff.
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SKU: 30738034710

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4.4 ★★★★★
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baby momma knows
San Leandro, US
★★★★★ 5
Florida resident and I LOVE THIS... for kids too! HIGHLY RECOMMEND!
Honest review here. We live in Florida so I have tried a lot of sunscreens and this is my new favorite stick... HIGHLY RECOMMEND. It goes on smoothly and is a thin but white formula. So it shows up and blocks sun but it isn't so thick that it is annoying. Our family spends a lot of time at the beach and outside in the sun. Sun protection is something we take very seriously. I always require SPF 50 and I like a solid block that has Zinc Oxide. So that limits my choices b/c it has to have 50 plus the ZO. I love that this is hypoallegenic (b/c some of them can contain toxic materials that are highly allergic especially for children). My favorite feature is that it is PABA, phthalates, fragrances, parabens, dyes, alcohol and oxybenzone. HIGHLY RECOMMEND!
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Reviewed in the United States on August 1, 2020
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Jessyka
Phoenix, US
★★★★★ 5
Convenient non-toxic option
Exactly what I was looking for. Non-toxic convenient option for sunblock. I keep one in my purse, our outdoor bag and in the car. Rubs in easy no weirdness. We are light complected so I'm not sure if it would leave white cast on a darker skin tone. I use it daily on my face, ears and hands.
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Reviewed in the United States on March 4, 2026
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AA
Lexington, US
★★★★★ 3
Mineral sunscreen stick review - poor at blending
I’m writing a review for this product as well as a number of other mineral sunscreen sticks (MSS) after testing a bunch of them—scroll down to point #6 below if you want to know which one I thought was the best. I’ve placed this exact review on every single other MSS I used. I specifically elected to go with mineral-based sunscreens—lots of talk on the environmental effects of the other sunscreens (not sure how much of this is actually true, but I’m willing to avoid the non-mineral sunscreens given the minimal investment on my part). Here are a few important points about this review: 1. No one paid me to write this review. I put down my own $140 to get all 13 of these MSSs. I just wanted to find the best one by limiting as much bias as possible. Yes, my wife definitely gave me the you’re-crazy-but-I-guess-I’m-stuck-now look. 2. Quick sunscreen tutorial. Most dermatologists say we should try to get an SPF of 30+. Each 1% of zinc counts for 1.6 SPF, so to hit SPF 30, your zinc has to be 18.75%+. Each 1% of titanium counts for 2.6 SPF, so a combination of zinc and titanium could get you to SPF 30 as well. Titanium apparently isn’t good enough to block UV-A (cancer causing and photo-aging) light on its own, so you must add zinc to it. I calculated the SPF based on the stated zinc and titanium percentages on the label and these calculations were usually different from the quoted SPFs (they might be adding more SPFs from other ingredients, but I can’t say for sure). Nine of the 13 MSSs had calculated SPFs 30+. Only 4 of the 13 had a calculated SPF greater than or equal to the label SPF. 3. Because I can’t judge cancer prevention or aging blockade in the short term, avoiding burns and eye irritation are the most important immediately observable elements of an MSS. Every MSS I tested did equally well in burn avoidance and eye irritation avoidance. 4. It should be noted that I’m not Caucasian, I’m South Asian. If you don’t know what that is exactly, Wikipedia it or watch some Russell Peters standup comedy (his old stuff, not his new stuff). My skin color is probably similar to that of Benjamin Bratt (mind you, we’re talking about his skin color only… I’m not even in the same galaxy of overall looks as he is, much to my wife’s chagrin). The ability of a white-colored MSS to blend is crucial for me. And yes, even brown people like me need sunscreen. It would absolutely suck for me as a South Asian to have a higher risk of heart disease, diabetes, and hypertension, skillfully dodge those bullets with diet and exercise and luck, only to get taken out by skin cancer. 5. I like most scents. It seems like so many things are going unscented now—an MSS that is truly unscented is okay, but a lot of things labeled “unscented,” actually have an odd, unpleasant (sort of like bad oatmeal) smell to them. The scent score is logged as a “3” if it’s truly unscented, a “5” if it has a great scent, and a “1” if it smells bad. 6. Here’s the final conclusion. Only 3 of the 13 MSSs I tested had the following combination of characteristics: calculated SPF 30+, smell score 3+, and blend score 4+. These top three were: Neutrogena Sheer Zinc, Aveeno Positively Mineral, and Blue Lizard. When you factor in cost, it’s a no-brainer—Neutrogena and Aveeno were only half the cost of Blue Lizard. Therefore, my two winners (tied for first place) are Neutrogena Sheer Zinc and Aveeno Positively Mineral. Honorable mention for Blue Lizard—twice as expensive as the others, but might be slightly easier to maneuver on your face given the smaller size stick (this is a stretch compliment for Blue Lizard—I think NSZ and APM are just better). Hope this helps you select your next mineral sunscreen stick! A^2
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Reviewed in the United States on July 12, 2020
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Maria Eugenia vivas alba
West Palm Beach, US
★★★★★ 5
Muy práctico
Este protector solar es muy bueno es orgánico y a pesar q es pequeño rinde mucho y protege mucho es muy práctico usarlo en barra
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Reviewed in the United States on February 24, 2026
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Angela C
Massapequa, US
★★★★★ 5
Perfect for the melanin-less crowd!
Style: SPF 15, Size: 8 Fl Oz (Pack of 1)
This is my go to brand. I’m pasty white and burn easily, but not with this! It’s long lasting and smells great too!
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Reviewed in the United States on June 5, 2026

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