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Blue Microphones

Baby Bottle SL
Studio Condenser Microphone

Classic Warmth and Presence
Behind the Mic
Building on the success of the original Baby Bottle, the SL model features refined sonics, a new streamlined build and versatile switches to capture the true character of your voice and bring classic mojo to acoustic guitars and other instruments. Baby Bottle SL is designed from top to bottom to inspire unforgettable performances.
Inside the Sound
The soul and swagger of Baby Bottle SL all starts with Blue's proprietary, hand-tuned capsule. The robust, gold-sputtered Mylar diaphragm features a machined brass backplate design that creates the signature warmth and presence Baby Bottle SL is known for. And custom Class-A discreet circuitry makes it the quietest mic in its class.
Flip the Switch
Baby Bottle SL features a new switchable 100 Hz high-pass filter and -20dB pad to keep your sound pure regardless of vocal type, instrument or environment. Whether recording belting vocalists, loud guitar amps, drums and brass or capturing delicate vocals, strings or piano, Baby Bottle SL has the versatility to capture timeless tracks.

Product Specifications:

Blue Microphones Part Number

  • Baby Bottle SL

Transducer Type

  • Condenser, Pressure Gradient

Polar Pattern

  • Cardioid

Frequency Response

  • 20 Hz - 20 kHz


  • 39.8 mV/Pa at 1kHz (1 Pa = 94 dB SPL)

Output Impedance

  • 50Ω

Rated Load Impedance

  • Not less than 1kΩ


  • 134 dB SPL (1kΩ, 0.5% THD)

S/N Ratio

  • 83.2 dB-A

Noise Level

  • 10.8 dB

Dynamic Range

  • 123.2 dB

High-Pass Filter (HPF)

  • 100Hz, 12dB per octave


  • −20dB

Power Requirement

  • +48 DC Phantom Power


  • 410 g (14.5 oz)


  • 223 mm x 52 mm (8.78 x 2.05 in)

Frequency Curve & Polar Pattern

Manufacturer provided specifications for Blue Microphones p/n BABY BOTTLE SL UPC#: 836213001134



Included Items
  • Wooden storage box
  • Baby Bottle SL
  • Custom Shockmount
Blue Microphones Baby Bottle SL Condenser Microphone Mfr P/N: BABY BOTTLE SL OWC SKU: BLMBABYBOTTLESL Large-diaphragm cardioid condenser, delivers aa richly present midrange, smooth top end, and neutral bottom Blue Microphones 2 Year Limited Warranty
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