How to Record a Choir with a Stereo Pair of Mics

A choir can sound enormous in the room and surprisingly flat in a recording. The difference usually comes down to microphone placement, room acoustics, ensemble balance and gain settings rather than the price of the equipment. A well-chosen stereo pair can capture the width, blend and natural reflections of a choir with a relatively simple setup.

This approach suits school ensembles, community choirs, church groups, chamber singers and larger concert performances. It also works well for Australian recording conditions, from a reflective suburban hall in Brisbane to a carpeted rehearsal room in Melbourne. The aim is to preserve the choir’s sense of space without making the recording muddy, harsh or dominated by a few loud voices.

Before the singers arrive, decide whether the recording is meant to sound intimate, spacious, polished or documentary-like. That choice affects the stereo pattern, microphone height, distance from the front row and amount of room sound. A stereo pair gives you a coherent image, but it leaves less room for correcting poor placement later.

Choose Microphones That Suit the Ensemble

Small-diaphragm condenser microphones are a common choice for stereo choir recording because they respond quickly to consonants, vibrato and changes in dynamics. Their detailed high-frequency response can make a group sound open and articulate. Large-diaphragm condensers can also work, particularly when you want a rounder or more flattering tone, but they may produce a less precise stereo image depending on the model and capsule design.

Cardioid microphones are useful in untreated spaces because they reduce some sound arriving from behind the capsule. Omnidirectional microphones can capture a more natural low end and room response, though they require a good-sounding venue and careful positioning. If you are comparing models, this condenser microphone guide can help clarify the differences between capsule types, output levels and intended uses.

Sensitivity and self-noise matter when recording a quiet choral passage. A microphone with high self-noise can add hiss during soft singing, especially when the pair is positioned several metres away. Check that both microphones are closely matched in model and performance. Matched pairs are preferable, although two individual microphones of the same type can still produce excellent results when their levels and positions are carefully aligned.

Select A Stereo Technique

XY places the microphone capsules as close together as possible, usually with the capsules angled between 90 and 135 degrees. The technique gives strong mono compatibility because both microphones occupy almost the same physical point. It also minimises phase problems, making XY a sensible starting point for beginners, broadcast recordings and venues where the final audio may be collapsed to mono.

The trade-off is a narrower sense of width than some other techniques provide. A choir recorded in XY may feel focused rather than expansive, particularly when the microphones are close to the singers. Raising the angle can create a wider image, while narrowing it can provide a more central, compact sound.

ORTF uses two cardioid microphones spaced approximately 17 centimetres apart and angled around 110 degrees. It often produces a broader, more natural stereo image than XY while retaining useful mono compatibility. A spaced pair places the microphones farther apart, commonly between 40 centimetres and two metres, and can create a dramatic sense of width. However, it is more sensitive to phase cancellation and uneven coverage.

For a first session, XY or ORTF is usually the safest choice. Spaced omni microphones can be beautiful in a sympathetic concert hall, but they reveal every timing difference between the capsules and every weakness in the room.

Position The Pair For Even Coverage

Start with the pair several metres in front of the choir, aimed towards the centre of the group. The microphones should generally sit above the head height of the front row, angled slightly down towards the singers. This helps the capsules hear the back row without allowing the nearest singers to dominate the recording.

Distance controls the balance between direct vocal sound and room ambience. Moving closer gives clearer diction, stronger presence and less reverberation. Moving farther away creates a more blended and spacious recording, but it can reduce definition and increase the sound of air-conditioning, traffic or audience movement. In a lively church or scout hall, begin closer than you might expect.

The height and distance should be adjusted together. If the pair is too low, the front row can mask the back row. If it is too high, the choir may lose intimacy and sound detached from the listener. Walk around the room while the ensemble sings a representative passage, listening for a position where the sections blend naturally rather than where one group sounds impressive in isolation.

Quick Placement Checks

The back row remains audible without obvious microphone gain
Soprano and tenor lines sit naturally within the stereo image
The room’s reverberation supports the voices rather than covering them
The centre of the choir does not sound louder than both outer sections

Manage The Room Before Recording

The room is part of the instrument. Timber floors, bare brick, glass and high ceilings can create attractive warmth, but parallel walls and hard surfaces may also generate flutter echo. Carpet, curtains, upholstered chairs and audience seating absorb upper frequencies and can make the recording drier. Listen for the room’s character before placing the microphones, then choose a technique that complements it.

A choir in a very reverberant venue may benefit from a closer ORTF or XY position. In a dry rehearsal space, a little extra distance can add life without requiring artificial reverb. Portable acoustic panels, heavy curtains and filled bookshelves can reduce harsh reflections. Even practical acoustic treatment ideas can help when you are adapting a multipurpose room rather than recording in a purpose-built studio.

Australian venues vary widely. A community hall in regional New South Wales may have reflective vinyl flooring and minimal acoustic treatment, while a Melbourne church can have a long decay time that overwhelms soft consonants. In Brisbane or Darwin, air-conditioning may be essential but noisy, so record a minute of room tone and check the HVAC system before the singers begin. For an outdoor or semi-open performance, wind protection becomes critical, even when the weather seems calm.

Ask the choir to rehearse in the actual formation planned for recording. Risers change the distance from each row to the microphones, while a semicircle can produce a different stereo spread from straight rows. If the group is recording in a school hall during an afternoon arvo session, account for nearby sports courts, road noise and building activity before committing to the take.

Set Gain And Monitor The Balance

Have the choir sing its loudest planned section while you set the preamp gain. Aim for healthy peaks with plenty of headroom, commonly allowing around 12 dB below digital clipping. Choral dynamics can change quickly, especially when a conductor asks for a sudden forte, so conservative levels are safer than recording close to 0 dBFS.

Use closed-back headphones to listen for distortion, handling noise, electrical hum and unwanted mechanical sounds. Headphones can exaggerate stereo width, so also check the meters and, when possible, use speakers in a quiet control position. Make sure phantom power is enabled for condenser microphones and that both channels receive similar gain.

A stereo recording still needs a convincing centre. If the middle voices seem too strong, move the pair slightly farther away or widen the microphone angle. If the outer sections disappear, narrow the angle or move closer. Avoid trying to fix a poor image with extreme panning during the mix; the physical placement should create the balance.

Record a short test passage and play it back to the conductor. The singers may notice that one section is hidden behind another, or that a soloist is too prominent from the chosen position. A few minutes spent adjusting risers, formation or microphone height can save hours of editing.

Avoid Common Stereo Pair Problems

Phase cancellation is the main technical risk with a spaced pair. When the two microphones receive the same voice at slightly different times, some frequencies can weaken when the channels are combined. Check the recording in mono during the soundcheck. If the choir becomes thin or hollow, reduce the spacing, move the microphones farther away, or switch to XY or ORTF.

An overly wide image can also sound unnatural. The outside singers may appear disconnected, while the centre feels empty. This often happens when the pair is too far apart or angled too widely for the choir’s formation. A wider pattern is not automatically better; the goal is a believable ensemble rather than maximum separation.

Keep stands stable and cables secured with tape where people may walk. In Australia, many performance spaces have polished timber or concrete floors, so stand movement can create audible bumps. Sandbags are useful for tall stands, especially when the pair is raised above a large choir. Turn off phone notifications and avoid placing the stand near a speaker, projector fan or noisy lighting power supply.

Record several takes rather than relying on a single performance. Leave a few seconds of silence before and after each take so you can capture room tone and identify intermittent noises. If the choir is being filmed for a YouTube performance, coordinate the microphone position with the camera operator before the first take rather than moving stands after the lighting is set.

Mix The Recording With Restraint

Start the mix with both channels at equal level and the stereo balance centred. Check the recording in mono, then listen on headphones, nearfield speakers and ordinary consumer earbuds if available. A good choir capture should retain its blend across different systems, with no section disappearing when playback is narrowed.

High-pass filtering can remove low-frequency rumble from footsteps, traffic and heating systems. Use it carefully, since aggressive filtering can make lower voices and the natural body of the room sound thin. Gentle equalisation may improve clarity around the upper mids, but harshness is often caused by microphone position or room reflections rather than a lack of processing.

Compression should be subtle. A choir relies on expressive changes in level, and heavy compression can flatten the performance while bringing up unwanted room noise. If the loudest passages need control, try a low ratio with a slower attack and moderate release. Automation can preserve musical dynamics more naturally than applying strong compression to the entire stereo bus.

Reverb can enhance a dry recording, but add it after deciding whether the room already provides enough ambience. Short, quiet reverb may help a rehearsal-room capture feel more finished. A long reverb layered onto a naturally reverberant church recording can obscure diction and make the choir sound distant. When the original room is attractive, preserve it as the main ambience.

Practical Australian Setup Notes

Allow for GST, delivery time and replacement cables when budgeting for imported gear
Carry spare XLR leads and fresh batteries for accessories at regional venues
Check air-conditioning, road noise and nearby sporting activities before recording
Use sturdy stands and sandbags on polished floors or in breezy outdoor spaces

A stereo pair can produce a polished choir recording with just two microphone channels, provided the room, formation and placement are treated as part of the production. Record a careful test, listen for even coverage, and make physical changes before reaching for EQ or plug-ins. This approach is often more reliable than adding microphones without a clear plan.

The same principle applies when expanding into other ensemble recordings: microphone technique should follow the arrangement and the acoustic space. Readers already working with several performers may find this guide to recording group podcasts useful for broader ideas about gain staging, spacing and monitoring. For a choir, though, a well-positioned stereo pair often captures the most natural relationship between voices, room and audience.