Choosing an MXL Ribbon Microphone
How to choose an MXL ribbon microphone and set it up: check passive or active design, preamp gain, phantom power safety, input settings and recording quality.
Before you start
Ribbon microphones are usually analog microphones with an XLR output, so a computer cannot use one directly. Confirm the connector for the exact MXL model on its spec sheet. In most setups you need an audio interface or mixer with a microphone preamp, and that interface is what your computer lists as the input device. The whole process runs locally on the microphone, the interface, its driver and your recording or call app. No online service is needed to capture sound, but the app you use decides where recordings are saved and whether audio is uploaded, so check its settings and privacy policy yourself.
- An audio interface or mixer whose preamp offers plenty of clean gain, because ribbon microphones often have lower output than condenser models.
- A fully wired, undamaged XLR cable. A faulty cable or patch point combined with phantom power is a known risk for ribbon elements.
- The manual or spec sheet for the exact model, so you can confirm the pickup pattern, whether it is passive or active, and its phantom power guidance.
- A sturdy stand, a shock mount and a pop filter if you plan to record voice.
- A clear idea of the source: video calls, streaming, narration, guitar amps, brass, overheads or room sound.
Step-by-step instructions
1. Match the pickup pattern to your room
Many ribbon designs use a figure-8 pattern: they pick up sound equally from the front and back and reject it from the sides. This suits an interview across a table, a duet or a treated room. In an untreated home office, the rear pickup also captures reflections and background noise. If you mainly need a microphone for video calls in a noisy space, a cardioid dynamic microphone may suit you better than a ribbon. Check the pattern listed for each MXL model you are comparing.
2. Confirm whether the model is passive or active
Passive ribbons need no power and rely entirely on your preamp for gain. Many manufacturers advise against sending phantom power to them, or at least against connecting or disconnecting them while it is on. Active ribbons contain electronics that need phantom power and usually deliver a stronger signal. The model documentation states which type it is; follow that guidance over general advice.
3. Check that your preamp has enough gain
Compare the sensitivity listed for the microphone with the maximum gain stated for your interface. If the interface is marginal, an inline gain booster between the microphone and the interface is a common fix. Confirm that any booster is approved for passive ribbon microphones before you buy it.
4. Connect the microphone safely
- Switch phantom power off on the interface channel.
- Turn the channel gain fully down.
- Connect the XLR cable to the microphone, then to the interface.
- Switch phantom power on only if the model is active and its documentation requires it.
- Speak or play at a normal level and raise the gain slowly while watching the meter.
- To disconnect, reverse the order: gain down, phantom power off, then unplug.
5. Set up the computer and apps
In your operating system sound settings, choose the interface as the input device and your headphones or speakers as the output device. Then select the same devices inside your call, streaming or recording app, because apps can keep their own selection. Set the same sample rate in the interface control software, if it has one, and in your recording app; a mismatch can cause clicks, wrong pitch or a device that will not open. Menu names differ between system versions and apps, so look for the audio or sound settings rather than a fixed path. On a multi-input interface, a microphone on input 1 may appear only in the left channel; choose a mono input or the correct channel in your app.
6. Position the microphone
Find the front marking on the microphone and point it at the source. Moving closer increases bass because of the proximity effect, so start a little further back and adjust by ear. Use a pop filter and avoid blowing directly into the grille, since ribbon elements are sensitive to strong air blasts. With a figure-8 model, turn the sides toward noise sources such as a computer fan.
Check the output
Record a short test at your normal speaking or playing level and listen on headphones. The input level should peak clearly below clipping on the meter. If you need almost all of the available gain and still hear hiss, your preamp is the limiting factor rather than the microphone. Confirm that the recording plays in both ears when you expect mono sound, and that the saved file uses the sample rate and bit depth you selected.
Call apps often apply noise suppression, echo cancellation and automatic gain, which can change the character of a ribbon microphone. To judge the microphone itself, record locally in an app where processing can be turned off, then compare it with what the other side of a call hears. Note where the app stores the file before you share or delete it.
Common problems and next steps
The signal is very quiet or noisy
Move closer within the limits of proximity effect, raise preamp gain rather than software gain, and consider a ribbon-compatible inline booster or an interface with more clean gain. Raising volume only in software also raises background noise.
There is no sound at all
Check that the interface is selected as the input device in both the system and the app, that the cable is seated, and that the channel meter moves. An active model gives no signal without phantom power. Also confirm that the operating system privacy settings allow the app to access the microphone.
The room sounds too loud
A figure-8 microphone hears what is behind it. Rotate it so noise sources sit at the sides, add soft furnishings or absorption behind the microphone, or work closer to it. If the room cannot be improved, a cardioid microphone may be the better purchase.
The sound is distorted or crackling
Lower the gain if the meter reaches clipping and check that sample rates match. If distortion or a thin, weak sound remains at low levels, the ribbon element may be damaged. Stop using it, do not open the microphone, and contact the manufacturer or an authorised service centre.
Comparing models before you buy
For each MXL ribbon model you shortlist, compare the pickup pattern, passive or active design, stated sensitivity, included accessories such as a shock mount or case, and the warranty and service terms. Read the storage guidance in the manual as well, because ribbon microphones are more delicate than most dynamic models.