Shure Beta 91A, 98A/C, 181 Microphone Review
Although Shure categorises these as drum mics, their range of applications is actually far wider. Huw Price goes Beta-testing.
Price: £294.00
Manufacturer: Shure
Website: http://www.shure.co.uk

Beta 91A, 98A/C, 181
Manufacturer Shure
Price Beta 91A £294. Beta 98A/C £270. Beta 181 £502 including one capsule (extra capsules £282 each)
Contact Shure 01992 703058
Web www.shure.co.uk
Shure’s Beta 91A is a half-cardioid boundary condenser tailored towards bass frequencies with a switchable 400Hz notch filter. The 98A/C is a mini cardioid condenser and the 181 is a side-fire small-capsule condenser with four interchangeable capsules.
Beta 91A
We started out with both skins on the bass drum and placed the 91A on the floor in front of the drum. It did a fine job of capturing the softer, rounded woody tones of a jazz-style kick, but you will need to build a packing blanket tent over the drum and the mic to minimise spill – especially from the snare.
Next we removed the front skin and placed the 91A inside the drum on a pillow. Once again it captured plenty of the natural tone of the drum, with huge but tight low-frequency content.
By comparison to the AKG D12 we used for reference, the 91A may not be the best option for a dry rock kick with plenty of attack, but it enhanced the sense of realism and tonal depth when we combined both mic signals.
Beta 98A/C
This bijou condenser thrives on close placement, where it produces an extremely realistic and balanced tone. Clarity is impressive and high SPLs presented no problems in any of our tests. It actually has the tonal integrity you might achieve by using a regular mic at a slight distance, but since you can get place it so close to the source the spill issues are minimal.
We started with the 98A/C next to the rim of a snare drum, firing across the top of the skin. Here the tone was wide open, punchy and full of snappy transient detail. Aimed a little more towards the edge of the skin the sound became weightier and slightly more solid. Aimed directly at the skin, from a distance of 2cm or so, any ringing was largely eliminated and the snare had real low/mid thump.
Beta 181
The 181 is probably the peachiest-looking mic we’ve seen since the AT4081 and sonically it doesn’t disappoint. Compared to the 98A/C it prefers a bit of distance, but to be fair, most of Shure’s suggested applications for this microphone – like drum overheads, acoustic guitar and choirs –aren’t usually close-mic’ed.
None of the capsules sounded in any way hyped and once again the overall vibe was natural, balanced and refined. The acoustic guitarist we were recording remarked that it sounded just like his guitar. The cardioid capsule produced the highest output level with just a hint of added shimmer in the high frequencies and slightly fatter mids.
Omni was quietest of all but it also captured more of the subtle transient details and had a greater sense of transparency. By contrast, the hypercardioid and figure-8 capsules sounded a little pinched, but we’d love to try a pair of 181s in mid/side stereo.
Sounding off
Much depends on starting out with a bass drum that sounds pretty good already because the 91A won’t do it any favours. What’s more, boundary mics like this one can’t really be placed directly in front of the beater.
The 98A/C is a one-stop solution for snares and toms that requires little or no equalisation and will probably eliminate the need for an under-snare microphone. However, it is very delicate and will need to be handled with care. After one session the spindly cable managed a fair impersonation of the Gordian Knot, so we’d suggest this mic for studio rather than live applications.
The 181 is beautifully made and the capsule fixing arrangement allows you to swap tops without having to reposition the body. We were also impressed with the ‘grown-up’ sound quality. While it isn’t necessarily the world’s most exciting-sounding small-capsule condenser, it does seem to work on just about anything. MTM
Verdict
WHY BUY
Low noise
Great build quality
WALK ON BY
91A is highly specialised
98A/C may be slightly delicate
These microphones are versatile, beautifully made and sound superb in a variety of applications.
91A
★★★★★★★ (7/10)
98A/C
★★★★★★★★ (8/10)
181
★★★★★★★★ (8/10)
Score: 7
This review first appeared in Music Tech Magazine issue 99
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