Coles Electroacoustics 4038

Controls: None (passive ribbon mic)

I/O: 1x output via proprietary 4069 3-pin jack plug (pin 1 positive, pin 2 negative, pin 3 screen), 300 ohm balanced

Notable use: BBC design of British Broadcasting Corporation origin (descended from the 1950s STC 4038, transferred to Coles in 1972); used by broadcasters worldwide including the BBC; famed as a drum overhead mic, notably at Abbey Road Studios (The Beatles sessions)

Notes: Distortion spec: less than 1% at 125 dB SPL (no discrete max_spl figure published). Weight 2 lb 6 oz (1.08 kg); dimensions 7 1/4" x 3 1/4" x 2 3/8" (197 x 83 x 61 mm). Ships with foam-lined rigid carrying case, soft cloth bag, and 4069 jack plug; stand adaptors (4070/4071) are separate accessories. No USD or GBP price is published on the manufacturer site (price_usd left blank per golden rules); third-party US dealers (B&H, Sweetwater, Vintage King) list it but figures vary by single/matched-pair/kit configuration and were not used here.