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Blue Baby Bottle SL

Test & Review

The Blue Baby Bottle SL is the newest microphone from Blue. This would be the most versatile microphone with an unbeatable price. Discover our review of the Blue Baby Bottle SL microphone, an entirely hand-made microphone.

blue baby bottle sl test

🎤 by Kevin Jung

Summary of the Test 👇

Microphone Overview

The Blue Baby Bottle SL is a professional studio condenser microphone . It is designed for recording vocals and for tapping guitar amps. Its characteristics also allow it to record delicate instruments such as saxophone and horns.

Highly versatile, the Blue Baby Bottle SL is the microphone every musician dreams of.

Indeed, it is capable of capturing the essence of any audio source . Indeed, it fits quite naturally into the demanding environment of today's digital recordings.

Blue Baby Bottle SL

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The Blue Baby Bottle SL has its own signature sound. In addition, it offers a natural and warm sound with a very present proximity effect. Faithfully capturing the entire spectrum, the source signal naturally places itself in front of the mix with great presence. You then have the impression that the instrument is located next to you.

Do you want to set up your own studio? Whether it's a high-end professional studio or a home studio, the Blue Baby Bottle SL is the ideal microphone. It's a "do-it-all microphone", the entire Blue Essential Series range is very versatile.

The sound of the microphone is present and well balanced thanks to the frequency response in its midrange. High frequencies also soften, and the microphone delivers neutral low-frequency sound.

Packaging Blue Baby Bottle SL
Picture from zzounds.com

Microphone sound characteristics

The frequency curve of the Blue Baby Bottle SL shows a small bump in the lower midrange. This gives it a rich midrange . Like the Beyerdynamic , the sound of the Blue Baby Bottle SL is reminiscent of the most famous vintage microphones.

It offers a high-pass filter and a -20 dB attenuator which will add a classic touch to the sound. These characteristics contribute to very rich sound reproduction when faced with any type of source.

Blue Baby Bottle SL

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The Baby Blue Bottle SL has a very specific design.

From the first glance, the Blue Baby Bottle SL is sure to seduce you. Its capsule fits perfectly to the hand. Its robust gold mylar diaphragm is equipped with a back plate with a specific design. The whole thing helps create the distinctive warmth and presence that the Blue Baby Bottle SL is known for.

Condenser microphone
Picture from YouTube.com

What are the technical characteristics of the microphone? 

  • Condenser transducer 
  • Classic, warm, flattering sound signature for a wide range of instruments or voice types
  • High output level: detailed frequency response curve 
  • Low cut and attenuator: optimal versatility 
  • Works with any type of USB audio interface
  • Polar pattern: cardioid/unidirectional microphone
  • Frequency response: 20 Hz – 20 kHz
  • Sensitivity: 33.5 mV/Pa
Blue Baby Bottle SL

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  • Max pressure: 133 dB (0.5% DHT) 
  • S/N ratio: 87 dBA
  • Noise level: 5.5 dBA
  • Diameter: 45mm
  • Length: 222mm
  • Weight: 350g
  • Content :
    • The Blue Baby Bottle SL microphone;
    • Case: wooden box;
    • Suspension;
    • Shock filter.
Blue Baby Bottle SL is microphone for amplifier.
Picture from amazon

The different applications of the transducer

To get the most out of your microphone, here are some recording tips.

The Baby Blue Bottle SL is made pto record voice

The singer can take the microphone or stand in front of it for an inspired performance. We advise you to position the microphone capsule at a distance of three to ten centimeters from the singer's mouth.

You can use a microphone boom or a tripod to gain stability. We recommend pointing the microphone directly at your mouth for intelligible and vibrant sound.

The use of a windshield is also necessary to have a much clearer and more filtered recording quality. This allows you to eliminate the noise produced by the wind.

Blue Baby Bottle SL

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For more projection and head sound, you can point the mic upwards towards the forehead. For full, robust bass and soft treble, it is recommended to direct the microphone downwards.

If necessary, you can activate the low-cut filter to be sure that low frequencies and infrasonic rumbles do not encroach on the sound quality reproduced by the microphone. Also consider using an anti-pop filter if you want to have a well-filtered sound result.

Blue baby bottle SL is the ideal tool for rigging an amp.
Picture from Amazon

For application on an electric guitar

Thanks to the frequency response of the Blue Baby Bottle SL, it's the ideal tool for jacking up an amp. No matter how clean or overdriven the amplifier sounds, the microphone will easily handle the situation. This makes this mic as the best rap mic for artists of this generation.

To do this, we advise you to orient the capsule towards the center of the speaker cone to capture more highs. You can also move the microphone towards the edge of the cone to get rich sound.

Blue Baby Bottle SL

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In the case of saturated or distorted sound, it is better to bring the microphone towards the outer edge of the cone. You can also move the mic about 30cm or more away from the amp to soften the highs.

This will also add some room sound. The Blue Baby Bottle SL also works wonders against an electric bass, a blues harmonica or an organ. In the case of very high volume, consider activating the 20 dB attenuator.

large diaphragm microphones
Picture from amazon

For application on the acoustic guitar

Large diaphragm microphones require some attention when miking an acoustic guitar. The mic's rich sound makes it the ideal recording equipment for this task. The sound it produces is a very balanced sound with soft highs. To do this, place the microphone in front of the instrument and aimed towards the neck.

Blue Baby Bottle SL

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To capture a mix of bass and the sound of string plucking, tilt the microphone capsule toward the soundhole. Keep the microphone as close to the guitar as possible.

If you want more detail in the treble, we recommend moving the Blue Baby Bottle SL away from the guitar.

Either place the mic in the same position as the neck, or place the microphone above the instrument, in front of the guitarist's head. For optimal results, remember to activate the low cut filter.

 The Blue Baby Bottle SL produces a unique sound.
Picture from ask.audio

Shure MV7 microphone review guide . Discover in this guide the presentation of this microphone, its sound quality, its equalizer mode, its characteristics, the verdict and the opinions on this USB microphone.

For a recording of other stringed instruments (e.g. cello)

Thanks to its natural highs and abundance in the midrange, the Blue Baby Bottle SL produces a unique sound. It excels in miking all members of the string and bow family.

Generally, you will need to point the microphone capsule toward the bridge of the instrument. This will allow it to capture a mixture of resonance and bowing sound.

Blue Baby Bottle SL

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In the case of double bass and cello, place the microphone 8 to 15 cm in front of the bridge. Facing a violin and viola, place the microphone above the instrument at a distance of approximately 30 to 60 cm.

For a bow-like, bass-rich sound, point the capsule toward the bridge. For a bright, more diffuse, composite sound, you can bring the microphone toward the pegs.

Microphone that allows drum recording.
Picture from mixonline.com

For a sound recording of a drum kit

The features of the Blue Baby Bottle SL offer many advantages and allow it to record drums. For drums and hand percussion, you can place the microphone at a distance of 5 to 10 cm above the circle.

Better definition of sound is obtained by tilting the capsule towards the stick or the musician's hand.

Blue Baby Bottle SL

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For the sharp sound of a hand percussion, we advise you to orient the capsule towards the drum. The same goes for capturing the tone of a snare drum.

If you move the microphone closer to a percussion instrument, it will increase the bass, the resonance of the drum. The separation from other sound sources will also be clearer.

If you position the microphone much further apart, you will get mixed sound with ambience capture. In case of high volume, we recommend activating the 20 dB attenuator.

 Blue Baby Bottle SL in the treble is very smooth and natural.
Picture from themicmaniac.com

Note : Also discover our suggestions for the best professional dynamic microphones for studio. This guide gives you the best professional dynamic microphones to choose if you want to buy a mic for your voice recording studio.

For application on a saxophone, flute and reeds

The reproduction of the sound of the Blue Baby Bottle SL in the treble is very soft and natural, exactly like the Blue Spark SL version . This makes it the tool of choice for recording wind instruments. To obtain exceptional sound, we advise you to orient the capsule above and in front of the keys.

Specifically, you should place the microphone in the middle of the horn and the pads lowest.

Blue Baby Bottle SL

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To find the ideal configuration, we invite you to move the microphone up or down along the body. This will help change the balance between the airy highs and the sharp mids of the horn. This configuration will apply with the soprano saxophone, clarinet and related instruments.

With a flute, you can position the microphone above the middle of the instrument. For pronounced highs, you can move the capsule closer to the mouthpiece. For other wind instruments, the microphone will be located at a distance of 5 to 15 cm. You will need to place it in front and towards the edge of the pavilion.

Point the capsule upwards, toward the mouthpiece for more sparkle and highs. For a softer sound, orient the capsule towards the ground with emphasis on the lower range of the saxophone.

The Blue Baby Bottle SL is a large diaphragm condenser microphone.
Picture deinfamousmusician.com

My verdict on the Blue Baby Bottle SL

The Blue Baby Bottle SL is a large diaphragm condenser microphone with a fairly wide bandwidth. Very versatile, it has a cardioid polarization . Indeed, it is a professional microphone and recording equipment noticed by a good number of home studios.

Its sound is very precise and well-rounded. It reproduces the sound source in the smallest details with exceptional sound quality and quite particular grain. As a vocal microphone, or applied to acoustic instruments, the Blue Baby Bottle SL will meet your needs.

Blue Baby Bottle SL

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The Blue Baby Bottle SL is a go-anywhere type of microphone . You can use it on different types of instruments and for voice recording.

However, condenser microphones are fragile compared to a dynamic microphone. The microphone sensitivity is also very different. The Blue Baby Bottle SL is a very sensitive transducer .

The perfect tool for capturing an atmosphere.
Picture from amazon

It is even the perfect tool for capturing an atmosphere. As a condenser microphone, it does not use a voice coil. These are two electrostatic plates and the sound waves which will provide the electric current.

However, it requires the use of phantom power for optimal results. Currently, the majority of audio interfaces and mixers have this type of power supply.

Blue Baby Bottle SL

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Considering its characteristics, the Blue Baby Bottle SL is the best studio microphone offering unbeatable value for money . With a fairly high output level, it does not need a preamp to work properly. It is a condenser microphone suitable for all sound sources.

Ranging from acoustic guitar to bass drum, the sound reproduction of the Blue Baby Bottle SL remains very natural with impeccable sound quality . It can also handle fairly high sound pressures without experiencing any distortion.

Which reinforces its versatility. Therefore, you can use it for singing, for a podcast, for voice-overs or even for a broadcast application.

Our Overall Opinion

Overall Sound Quality

4,8 /5
4.8/5

Value for money

4,6 /5
4.6/5

Global mark

4,7 /5
4.7/5

Our opinion of the Blue Baby Bottle SL

Do you want to buy a condenser microphone to complete your microphone fleet? The Blue Baby Bottle SL will do the job perfectly. With its almost perfect pattern, and a very low capacity to pick up background noise, it is one of the best microphones on the market.

Baby Bottle SL Demo

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Blue Baby Bottle SL

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