With AMS 0% interest Payment Plans, you use your own credit or debit card, and we will never charge you any interest! We will split your order total equally across the plan that you have chosen.
Your credit card will be charged every 31 days, automatically. It’s that easy! Some plans require a credit check.
Our 4 state-of-the-art, strategically located warehouses are highly efficient and allow us to ship your gear in record time - and most orders will arrive at your door within 2 days for free. Shortly after you place your order, a Ship Confirmation email will arrive letting you know the order was picked, packed, and put on a truck. Full Details
12 Months EXTRA for Free!
Many of our competitors charge 10% or more for an additional 12 months of warranty on the products they sell. AMS offers this exclusive benefit to our valued customers at no extra charge. Thousands of items on our site and in our catalog carry the "Gold Lock Extended Warranty" icon. It means you get the manufacturer's full warranty plus 12 additional months, FREE!!!
Our 45 day return policy allows you to buy with confidence at AMS! If you are not completely satisfied with any item* purchased from AMS, return it to us within 45 days of the shipping date, and we will refund your money or help you with an exchange. That's always been our policy, and now we've added the ease of Electronic Return Labels!
Canadian Shipping Information
Welcome Canadian musicians! Buying your gear from AMS is as easy as going to a local music store, with more selection and more than competitive prices!
Items with this logo are eligible to ship to Canada. Please note that you will be responsible for payment of brokerage fees, duties and other import taxes applicable to your order.
NOTE: Free shipping offers do not apply to Canadian orders. Please be aware of custom fees - such as taxes and duties - when your order arrives. Since these fees vary from location to location, CUSTOMS FEES ARE NOT INCLUDED IN SHIPPING CHARGES. Please check with your local customs office for more information on the fees in your areas. Refusal to pay these fees will result in an undeliverable order. If returned, we do not refund shipping charges and may assess restocking fees to cover return shipping expenses.
Have questions, found a better price? Talk to a sales specialist!
The Shure SM81 Instrument Condenser Microphone is perfect for acoustic guitarists and Instrumentalists. The SM81 lets you reproduce your instrument with the highest fidelity.
The razor flat 20 to 20K frequency response of this low impedance, unidirectional, cardioid condenser mic is faithful to every nuance of your expression. Built-in 10Db attenuator. Requires phantom power from board or external source.
The Shure SM81 is a high-quality, unidirectional condenser microphone designed for studio recording, broadcasting, and sound reinforcement. Its wide frequency response, low noise characteristics, and low RF susceptibility have made it a standard for applications involving acoustic instruments, especially guitar, piano, and cymbals.
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.
Shure SM81Features
A standard for acoustic instruments, including guitar and cymbals
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
0 dB/10 dB lockable attenuator switch
Phantom powering (DIN 45 596 voltages of 12 to 48 Vdc)
Rugged steel construction for durability
Field-usable over wide range of temperature and humidity conditions
Warranty: 2 Years on Wired Microphones; 1 Year on Wireless Systems & Components; 1 Year on Personal Monitors & Components: 1 Year on Circuitry Products.
Signal-to-Noise Ratio: 78 dB (IEC 651)* at 94 dB SPL (*S/N ratio is difference between microphone output at 94 dB SPL and microphone self-noise A-weighted.)
Overvoltage and Reverse Polarity Protection:
Max. external voltage applied to pins 2 and 3 with respect to pin 1: + 52 Vdc
Reverse polarity protection: 200 mA max (diode-clamped)
Polarity: Positive pressure on diaphragm produces positive voltage on pin 2 relative to pin 3.
