Yes, the Shure SM7B works with the TC-Helicon GoXLR — but only Cloudlifter CL-1 or equivalent inline preamp booster (+25 dB) recommended.
Shure SM7B is an XLR dynamic microphone (sensitivity -59 dBV/Pa, 150 ohm) compatible with GoXLR's XLR input. GoXLR's 72 dB max preamp gain is marginal for SM7B at typical talking distance — adequate at max gain positioned close to mic (5-10cm), but noise floor is elevated. Wave XLR Pro (GoXLR's successor) provides 80 dB gain and handles SM7B cleanly without a booster. A Cloudlifter CL-1 (+25 dB inline gain, phantom-powered) resolves the gain gap and is recommended for consistent noise-free signal.
Conditions for compatibility
Cloudlifter CL-1 or equivalent inline preamp booster (+25 dB) recommended for consistently clean signal at normal talking distance. Without booster: usable at max GoXLR gain (72 dB) positioned 5-10cm from mic, but elevated noise floor. GoXLR's phantom power (48V) powers the Cloudlifter.
“XLR inputs 1 2 Max mic gain ~72 dB 80 dB”
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