A new chip, made by Prema, will give you better performance of your condenser microphone in every respect:

- lower distortion of the microphone

- lower noise

- 0,02 dB louder volume   

- improved frequency response linearity of the lowest frequencies


Grand you clients True Phantom® in stead of standard phantom.


The problem with normal phantom power is that it is a load for the microphone and thus generate distortion. True Phantom® is a high impedance phantom power with a servo-regulated output voltage of 48 Volt. This changes the load for your microphone considerably.

The result is:

- 4~10 dB lower harmonic distortion of every condenser microphone

- noisefloor 6 dB lower

- complies to the IEC standard 61938, P48.

- improved frequency response linearity of the lowest frequencies.



Why?


Standard phantom power (P48) acts as a load for the microphone and the bigger the load, the bigger the distortion.

When you feed a typical microphone with the PR2301 chip, the harmonic distortion decreases by 3.6 % with a 1 kΩ load and by 14 dB with a 5 kΩ load.


Two recordings with True Phantom, Schoeps MK2, 38,4 cm distance.

How does it sound?

The sound source is closer and there is more ambient sound.

Recorded with Schoeps MK2, True Phantom powersupply, AB 38.6 cm distance, 1.5 meter behind the conductor, 2.4 meter high. A capless mic preamp. Production licenses available.


Compare identical sound sources (a pianola). True Phantom first, second standard phantom.

Music box. True Phantom first than the standard phantom power.

See the difference and klick here


Acoustic guitar. First file True Phanton next standard phantom power.

Human voice with True Phantom and standard phantom

Standard phantom gives a muffled sound compared to True Phantom !

“In an ideal world all phantom power supplies really should be built this way”


Hugh Robjohns, Sound On Sound, July 2018

The benefits are:

- less distortion of the microphone due to the lower load

- lower noise floor due to the better separation to the 48 Volt rail

- 0,06 dB louder

- improved frequency response linearity of the lowest frequencies






Independed measurement reveal that standard phantom power adds odd

harmonics to your recording.

With the True Phantom® you get a 7 dB reduction of the unplaesant

3th harmonic!

Standard in blue, True Phantom in red



  • Recent measurements with a APx 555,

  • made by Dan Foley, Audio Precision.


  1. Typical Design phantom power, 48 V, 6K8 Ohm, in blue.
  2. True Phantom® 48 V, 3 MOhm, in red.


  • Noise floor ~6 dB lower


  • 0,06 dB louder



Recording with the True Phantom® of the Amsterdam Corelli Collective

https://www.dropbox.com/s/oo7rwyn0y8dk2av/14%20Adagio.wav?dl=0

More information

Phantom Sound B.V.

Olympiaplein 39

1077 CM Amsterdam

truephantom.nl

+31 206 734 956 cell phone: +31 654 668 723

futuranova2@gmail.com

The Netherlands


More information

Triton Audio

Willem Hedastraat 49

1816 KC Alkmaar

www.tritonaudio.com

+31 725 318 434

mail

The Netherlands


The True Phantom®

The True Phantom® is a alternative phantom power supply.

The standard for phantom power exsists for 50 year, but there is room for improvement within the boundaries of the standard.

Condenser microphones are fed by 48 Volt and two resistors of 6800 Ohm. These resistors are a load for the emitterfollowers in the microphone. When you feed the microphone with a high impedance supply the distortion is lower, the noise level is lower and headroom will improve. This is what happens when you use the True Phantom® and still the True Phantom® complies to the standard P48.


The True Phantom® will be made in two forms:

1. A stand allone device is made by Triton Audio ( 399 € )

2. As a chip for mixing consoles, preamps and converters.


Testimonials

Hi Erwin,

my apologies that this took forever, but anyway today i was able to do some tests and it was actually a big

surprise for me.

I´m not into magic boxes and vodoo-cables but the True Phantom really

makes a difference.

I´m not able to do double blind tests here but based on my findings I

would give the unit to one of our customers to have a listen under

real-world conditions.

I used a matched pair of MG M930 Mics and tested them with the antelope

audio Zen Studio - I understand that the TruePhantom makes the most sense

with preamps like that i.e. onbard preamps in an interface where not much

money and thought went into the design of the phantompower circuit.

One mic using the Zen´s 48V and the other using the true Phantom.

the noise of the TruePhantom powered mic was subjectively lower - and this

is already a low noise mic.

But the real surprise was that the TruePhantom powered mic sounded totally

different in the LMF Range especially within close proximity. Much clearer

and less distorting.

I´m trying to do some measurements but I don´t know if that makes much

sense because when you remove the mic from the setup it might not show any

differences.

Best Regards,

Arne Kohlscheen

(Systemtechnik / Reparatur)

Digital Audio Service GmbH

Neuer Kamp 30

20357 Hamburg

t+ 49.40.4711 348-12

f+ 49.40.4711 348-19

ak@digitalaudioservice.de

digitalaudioservice.de/triton-audio-true-phantom.html


"....I´m not into magic boxes and vodoo-cables but the True Phantom really makes a difference...."

"...the real surprise was that the TruePhantom powered mic sounded totally different in the LMF Range especially within close proximity. Much clearer and less distorting......"

"...the noise of the TruePhantom powered mic was subjectively lower - and this is already a low noise mic..."


True Phantom:

Standalone high end, low THD, 48V Phantom supply.

Our opinion: The only real update on the now standard Phantom powering scheme, the advantages of this 48V supply are easily heard and works with any P48 microphone. Literally a breath of fresh air when used with any such mic. We like the enhanced detail and clarity of the low end especially. Note: This device does not affect the frequency response of the microphone but lowers the mic output's THD significantly.

http://www.nohypeaudio.com/tritonproducts.htm


"....I´m not into magic boxes and vodoo-cables but the True Phantom really makes a difference...."

"...the real surprise was that the TruePhantom powered mic sounded totally different in the LMF Range especially within close proximity. Much clearer and less distorting......"

"...the noise of the TruePhantom powered mic was subjectively lower - and this is already a low noise mic..."