Audio4 manufactures or has manufactured the following equipment (click to expand models list):Electrostatic Speakers
Audio4 web site (November 18, 2009): A u d i o 4 provides a new design to distorted music show! We are one of the few companies that electrostatic speakers together. The speakers of A u d i o 4 are different and better than traditional dynamic or electrostatic speakers.
Audio4 web site (July 2000): Craftsmanship in sound A whole new concept to produce sound without resonance: electrostatic speakers instead of dynamic. Combine your stereo-set with A u d i o 4 speakers.
- It sounds like the artists are playing Ã¢â‚¬Å“live" in your living-room
- Musical instruments which each have their own space within the listening environment.
- Voices without any distortion.
- Bas (low) tones comparable with a concert hall.
- Beautiful big pieces that are connected to the wall with a hinge.
- Surfaces available in any colour or required paintings are also possible.
You don't believe it? Please come by to listen and to convince yourself of the qualities of the electrostatic speakers of A u d i o 4.
A u d i o 4
- Designs and produces electrostatic speakers
- Repairs all brands of electrostatic speakers
- Designs and produces step-up transformers
- Delivers acoustic screens
All products are handmade to order.
Speakerdude86 (October 3, 2013): Innovation (modification) Quad ESL 63
Although these known electrostatic speaker is highly valued for its good sound, there is certainly yet to improvements. A udio 4 has some points that improve it is found in the following sections:
the second step-up transformers are replaced by one transformer A udio 4.
the input capacitor is replaced by a 68 uF MKP of Audyn and a parallel Tin foil 0.1 uF.
Speakerdude86 (October 3, 2013): Innovation Quad ESL63 mk3
These modified Quad ESL 63 A udio 4 sounds better than the Quad ESL63QA in the wooden frame in which all components have remained the same.
The characteristics of the modification in the Quad ESL 63 of A udio 4 are:
the bass sound tighter and go deeper
the high is less distorted
the entire sound is open
all instruments are more recognizable
Convince yourself and come to a demo listening these modified electro able speaker, bring your own Quad ESL 63 note to compare.