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GENERAL GUIDELINES

5

PHANTOM POWER

Your microphone is a valuable and important investment. Like most 
recording equipment and musical instruments, it requires common 
sense and basic care to keep it functioning properly. Given care, 
your new microphone will perform dependably for decades.

Phantom power is not required or recommended for the passive
KU4. With a correctly wired cable and a properly working phantom 
power supply, there is actually little danger of damaging a KU4 
microphone with phantom power. However, passive ribbons such 
as the KU4 can be damaged if ground (Pin 1) is accidently shorted, 
miswired, or hot patched in a patch bay to (Pin 2) or (Pin 3). Using 
phantom power with a faulty or miswired cable or a defective 
supply can severely stretch or break a ribbon.

Since passive ribbon microphones and other transformer-coupled 
microphones can be particularly vulnerable to phantom-power, 
it is recommended to make disengaging phantom-power before 
plugging and unplugging (the microphone) a habit.

MICROPHONE STORAGE

Keep the microphone covered when it is not in use.

 This will 

reduce the damage that may result from a gust of air. Place the 
supplied protective bag over the microphone when it is not in 
use. For long-term storage, keep the microphone in its protective 
case. An unprotected ribbon microphone can attract minute iron 
particles, sometimes known as "tramp iron". If allowed, tramp iron 
can penetrate the screen of a ribbon mic, sufficiently build up in 
the magnetic gap and rub against the ribbon, causing distortion, 
electrical shorts or tearing of the ribbon.

Содержание KU4

Страница 1: ...CLASSIC SUPERCARDIOID RIBBON MIC AEA KU4 OWNER S MANUAL ...

Страница 2: ...4 studio ribbon microphone featuring pure aluminum ribbon material parts interchangeable with the original RCA KU3A and the consistent and reliable performance for which our microphones have gained a world wide reputation Your KU4 microphone is 100 handcrafted in Pasadena CA AEA is a family owned company with a small crew of skilled technicians most of them being musicians themselves Proudly indep...

Страница 3: ...CONTENTS WELCOME INTRODUCTION SUPPORT GENERAL GUIDELINES APPLICATION ADVICE SPECIFICATIONS 2 4 4 5 8 10 3 ...

Страница 4: ...produces response out to 20 kHz 7 dB with fast accurate transients and without the upper midrange ringing common to condenser microphones These characteristics make the KU4 well suited for modern studio music production and ideal for low strings and brass instruments as well as vocals WARRANTY SUPPORT Your KU4 comes with a one year limited warranty on parts and labor shipping not included Register...

Страница 5: ... faulty or miswired cable or a defective supply can severely stretch or break a ribbon Since passive ribbon microphones and other transformer coupled microphones can be particularly vulnerable to phantom power it is recommended to make disengaging phantom power before plugging and unplugging the microphone a habit MICROPHONE STORAGE Keep the microphone covered when it is not in use This will reduc...

Страница 6: ...not break it nonetheless could significantly degrade the microphone s performance Though the ribbon in your KU4 is protected by a grille and acoustical fabric which provides reasonable wind protection while still allowing good high end response take care to avoid high wind outdoor environments STRAY MAGNETIC FIELDS Ribbon microphones are fundamentally prone to picking up strong external magnetic f...

Страница 7: ...eep structure borne noise transmitted through the microphone stand and the cable away from the low tuned ribbon transducer For the shock mount to function as intended it is important to vertically position the cushion mount off of the mic stand and to rotate the microphone within the yoke as opposed to rotating the entire mic on the stand This requires the use of a swivel mount or posi lock when u...

Страница 8: ...richness and depth A potential trade off is reduced articulation resulting from the masking effect on the treble due to excessive bass boost graph is a visualization not a measurement APPLICATIONS ADVICE We actively encourage users to visit AEAribbonmics com to access our comprehensive collection of in depth articles and tutorials featuring the KU4 along with a library of audio and video demonstra...

Страница 9: ...omb filter distortions Because gobos usually are bulky and occupy valuable floor space they also inhibit the ability of the musicians to hear and see each other easily Such a setup requires complex and often cumbersome headphone monitor mixes for the musicians SUPERCARDIOID DIRECTIONALITY Because the KU4 has a supercardioid pattern it has nulls at approximately 135 from the principal front axis Pr...

Страница 10: ...ctor Accessories Included Pressure gradient transducer Supercardioid 30 Hz to 20 kHz 140 dB SPL above 200 Hz for 1 third harmonic 52dBV 2 5 mV Pa at 1 kHz into unloaded circuit 300 Ω nominal 1 5 kΩ or greater Not required or recommended Pin 2 high for positive pressure on front of mic 12 dB at 180 135 Pure aluminum corrugated ribbon 1 8 µm 0 082 in 2 1 mm 1 25 in 28 6 mm 12 6 in 32 00 cm 4 6 in 11...

Страница 11: ...11 POLAR PATTERN FREQUENCY RESPONSE Data below 200 Hz omitted due to measuring room restrictions 0 dVB is equivalent to 2 5 mV Pa 52 dBV Normalized to 0 dB at 1kHz 1 3 octave smoothing ...

Страница 12: ...AEARIBBONMICS COM RIBBONMICS INFO RIBBONMICS COM 800 798 9127 ...

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