
JT30 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $150.00 | Condition is , Custom Astatic JT30 Microphone W/ Shure 99B86 Controlled Magnetic, shipping cost = $11.00 | 100.0% |
![]() | $234.99 | Condition is , Custom Astatic JT-30 Harp Harmonica Microphone 70s Hot Shure 99B86 1004 Ohms! , shipping cost = $13.59 | 100.0% |
![]() | $244.00 | Condition is , Vintage RARE 1950's Astatic K2S crystal microphone w period Shure stand T3 JT30, shipping cost = $11.99 | 99.8% |
![]() | $300.00 | Condition is , Astatic JT-30 Bullet Microphone & 1953 Shure 99H86 Black Label Element "Project", shipping cost = $18.15 | 100.0% |

The Shure JT30 Microphone Adapters-Transformers from Astatic are versatile and essential accessories for Shure microphone users, designed to ensure optimal performance and compatibility with various audio systems. These adapters-transformers are specifically engineered for Shure JT series microphones and offer several useful features.
The primary function of these adapters-transformers is to adjust the line level of Shure JT microphones to match the input requirements of different audio systems. The transformer technology used in these adapters ensures a seamless transfer of audio signals between the microphone and the system, eliminating the need for external equalizers or level adjusters.
One of the most significant benefits of the Shure JT30 Microphone Adapters-Transformers is their ability to provide balanced XLR output from unbalanced 1/4" microphone inputs. This feature is essential for maintaining signal quality and minimizing noise in professional audio applications. The transformers also help to isolate the microphone from the audio system, reducing the risk of hum and interference.
The Shure JT30 Microphone Adapters-Transformers come in a compact and durable design, making them an excellent choice for both stationary and mobile applications. They are equipped with a threaded mount for secure attachment to the microphone and a screw-locking connector for the XLR output cable. The adapters also feature a ground lift switch to help eliminate ground loops and noise.
In summary, the Shure JT30 Microphone Adapters-Transformers from Astatic are essential accessories for Shure JT series microphone users. They offer reliable and effective solutions for adjusting line levels, providing balanced XLR output, and minimizing noise and interference. The compact and durable design makes them suitable for various applications, making them an indispensable tool for audio professionals and enthusiasts alike.
Shure JT30 microphone adapters, also known as transformers or line volume adapters, are essential accessories for certain Shure microphones that require a step-up in voltage to function optimally. These adapters enable the use of Shure microphones with low-voltage microphone inputs, such as those found in mixing consoles and audio interfaces. In this response, we will discuss the pros and cons of buying Shure JT30 microphone adapters.
Pros:1. Improved Performance: Shure JT30 microphone adapters provide a step-up in voltage to the microphone, ensuring optimal performance and reducing the likelihood of electrical interference.
2. Versatility: These adapters allow the use of Shure microphones with a variety of low-voltage microphone inputs, making them a valuable addition to any recording or live sound setup.
3. Durability: Shure is known for its high-quality products, and the JT30 microphone adapters are no exception. They are built to last and can handle the rigors of frequent use in professional applications.
4. Easy to Use: The adapters are simple to use, and no additional setup is required beyond connecting the microphone and the adapter to the input source.
Cons:1. Cost: Shure JT30 microphone adapters can be expensive, especially when purchasing multiple units for a large setup.
2. Limited Compatibility: These adapters are specifically designed for use with Shure microphones, making them less versatile compared to universal microphone adapters.
3. Size: The adapters can add some bulk to a microphone setup, which may be a concern for those working in tight spaces or seeking a minimalist design.
In conclusion, Shure JT30 microphone adapters offer several benefits, including improved performance, versatility, durability, and ease of use. However, they come with some drawbacks, such as cost, limited compatibility, and size. If you frequently use Shure microphones with low-voltage microphone inputs, these adapters can be a worthwhile investment. However, if you are looking for a more universal solution or are concerned about the cost, you may want to consider alternative options. Ultimately, the decision to purchase Shure JT30 microphone adapters depends on your specific requirements and budget.
Details:
Shure a95fp XLR female to 2501m. Lot of vintage microphone transformers and adapters as shown. Astatic Lt-6 2501m to 4 pin am phenol with cap. Witchcraft 1/4 male to 2501m adapter.
Witchcraft 386a XLR female to 1/4 trs male plug.
specifications audioproequip:
- brand: Shure
- mpn: Jt30
- model: Shure Jt30
- compatible brand: For Shure, Universal, For Astatic
- type: Adapter
- features: Microphone
- country/region of manufacture: United States
general audioproequip:
- category: Musical Instruments > Pro Audio Equipment Parts
returns audioproequip:
- policy: no returns
seller audioproequip:
- # reviews: 1003
- city: evanston, illinois
- rating: 100.0%
offer audioproequip:
- availability: in stock
- prices: $150.00–$300.00
- options: ship-to-home
- in stock #: 4
- sold #: 15
- started: june 30, 2025
shipping audioproequip:
- carrier: usps
- service: usps ground advantage
- type: calculated
- class: standard
- transit: 3-9 days
payments audioproequip:
- wallet: apple-pay
- other
- credit card: mastercard
Also Viewed:
- UFP33PC: CONTROL KNOB, Shure
- 708A: MICROPHONE CABLE, Amphenol
- 95A2313: BAG, Shure
- RPM560: HEADBAND MICROPHONE, Shure
- 042406326766: SUPPLY, Shure
- 95B2313: MICROPHONE BAG, Shure
- TL48B-O-MTQG-A: MICROPHONE, Shure
- 793610060655: MICROPHONE COVER, Boseen
- FP32-42-CVK: KNOB LEVEL, Shure
- 95M2035-14-: ANTENNA CABLE, Shure
- 604888902113: MICROPHONE, Movo



