Shure KSM313/NE Dual-Voice Ribbon Microphone with Roswellite™ Ribbon Technology is backordered and will ship as soon as it is back in stock.
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Product Overview
The Shure KSM313/NE ribbon microphone is a bi-directional, dual-voice studio microphone built for engineers who need accurate transient capture in professional recording and broadcast environments. Its figure-8 polar pattern and Roswellite ribbon technology make it a high-SPL ribbon mic suited to amplified instruments, acoustic sources, and intimate vocals. As a professional studio ribbon microphone, it pairs vintage ribbon character with the durability commercial facilities require.
Product Description
The KSM313/NE is a premium bi-directional ribbon microphone that delivers world-class audio for prestigious studio and live performances. Its defining feature is a true dual-voice ribbon motor: the front of the capsule produces a warmer, fuller response well suited to guitar amplifiers, while the rear produces a brighter response tailored to vocals, so a single microphone covers two distinct sonic signatures. Roswellite proprietary ribbon material replaces traditional aluminum foil, offering high tensile strength and shape memory that resists permanent deformation at high sound pressure levels. The microphone terminates in a standard 3-pin male XLR connector and requires no phantom power, integrating directly into any commercial-grade preamp or recording chain. Hand-assembled in the USA from machined steel, silver, gold, and aluminum components, it is engineered for broadcast studio, house of worship, and auditorium deployments where reliability matters. 
Key Features
- Dual-Voice Ribbon Motor — A true dual-voice assembly lets you select a warm, full response from the front or a brighter response from the rear, covering amplified instruments and vocals with one microphone.
- Roswellite Ribbon Technology — Proprietary Roswellite ribbon material provides high tensile strength and shape memory for superior resilience at extreme sound pressure levels.
- Bi-Directional Figure-8 Pattern — The figure-8 polar pattern captures sources on either side of the body while rejecting off-axis sound, aiding isolation in multi-mic sessions.
- 146 dB Maximum SPL — High SPL handling allows close placement on loud sources such as guitar cabinets and brass without ribbon damage.
- Passive Design, No Phantom Power — The passive ribbon design connects through a standard 3-pin XLR and needs no phantom power, simplifying integration into existing rack-mount preamps.
- Hand-Assembled in the USA — Built from machined steel, silver, gold, and aluminum components for commercial-grade durability and consistent performance.
Typical Applications
- Broadcast studio
- House of worship
- Auditorium
Technical Specifications
| Transducer Type | Ribbon (passive, dual-voice) |
| Polar Pattern | Bi-directional (Figure-8) |
| Frequency Response | 30 – 15,000 Hz |
| Maximum SPL | 146 dB |
| Ribbon Material | Roswellite |
| Connector | 3-pin male XLR |
| Phantom Power | Not required (passive) |
| Construction | Hand-assembled in the USA; machined steel, silver, gold, aluminum |
Competitor Comparison
| Criteria | Shure KSM313/NE | Royer R-121 | AEA R84 |
|---|---|---|---|
| Ribbon material | Roswellite, engineered for high tensile strength and shape memory at extreme SPL | Traditional aluminum foil ribbon | Traditional aluminum foil ribbon |
| Voicing | True dual-voice: distinct front (warm) and rear (bright) responses | Single voicing; one tonal character | Single voicing; one tonal character |
| Polar pattern | Bi-directional figure-8 | Bi-directional figure-8 | Bi-directional figure-8 |
| Phantom power | Passive; none required | Passive; none required | Passive; none required |
| High-SPL durability | Roswellite resists permanent stretching, supporting close placement on loud sources | Rated for high SPL but uses conventional foil that can deform if overdriven | Conventional foil ribbon; standard ribbon handling care advised |
| Assembly | Hand-assembled in the USA | Hand-assembled in the USA | Hand-assembled in the USA |
Frequently Asked Questions
Does the KSM313/NE require phantom power?
No. It is a passive ribbon microphone and should not be supplied with phantom power. Connect it through a standard 3-pin XLR to a quality preamp with sufficient clean gain.
What does the dual-voice design mean for installation?
The front and rear of the microphone produce different frequency responses, so rotating the microphone changes its tonal character without changing models. The front is warmer for amplifiers; the rear is brighter for vocals.
Is it suitable for high-SPL sources?
Yes. With a 146 dB maximum SPL and Roswellite ribbon material, it tolerates close placement on guitar cabinets and other loud sources better than conventional foil ribbons.
Can it integrate into an existing rack-mount AV system?
Yes. The standard XLR output connects to any commercial-grade preamp or interface; no special powering or interface is needed.
What warranty and support are available?
This Shure microphone is covered by Shure's manufacturer warranty. Contact Creation Networks for procurement, integration guidance, and post-sale support.
At Creartion Networks, we do everything we can to create an excellent customer experience. This includes fast shipping and easy returns.
- Most in-stock orders placed Monday-Friday ship within 24-48 hours. General restrictions apply; please see our full shipping policy here.
- We offer a 30-day return policy from the delivery date on many products. Product restrictions apply. Restocking fees for the return of open-box items. Please see our full return policy here for more information.
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