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What is stereo?




There are now two system of high fidelity, monophonic (monaural) and stereophonic. Monophonic is a system that starts from one microphone and is fed through a single high fidelity set. Stereophonic is a double system. Two separate microphones are placed at different sides of the orchestra and two different systems are used to keep the two signals or channels separated. Two separate speakers are used, placed on different sides of you room. Stereo is much like 3-D photography, two slightly different sound reach your ears giving you a new dimension in sound.



H.H. Scott '59





SIgnet TK33 headphones

Electret Condenser Stereophones

The time has finally arrived when stereophones can assume their rightful importance as essential elements in critical high fidelity systems. And the same standards of excellence normally applied to other prime components can now be applied to these transducer.

Whether you inted your stereo phones for critical monitoring of live recordings, private listening where loudspeakers might intrude, binaural broadcasts and recordings, or simply to enjoy them for their own virtues as superb reproducers, their quality should not compromise the rest of your music system.

While the bulk of stereo listening has traditionally employed loudspeakers, stereophones now offer the potential for performance that can actually exceed that of loudspeakers in every essential respect. Stereophones have an advantage, of course, since they need not move a roomful of air, not overcome awkward acoustic conditions. By providing linear response at the ears, with full dynamic range, stereophones can be the reproducer of choice to fully enjoy the subtle delights of a well-engineered direct-to-disc recording. And recent experiments in binaural sound are predicted on stereophone listening exclusively.

While others may consider stereophones as an accessory, at Signet, we prefer to thing of them as an alternative listening technique. Just as viable as loudspeakers, and with advantages of their own. And until you experience Signet stereophone listening, you may not be aware of the clarity, transparency, response, and freedom from distortion that can be achieved. These advantages stem from two essential attributes of the Signet concept; advanced knowledge of transducer design, and uncompromising standards of performance.

 


Specifications

Type:  Dipolar Electret Condenser Headphones

Frequency Response:  10 - 22,500 Hz ±2 dB, 20-20,000 Hz

Sensitivity (1 kHz, 0 dB = 0,0002 µBar):  100 dB at 1 V

Total Harmonic Distortion:  01% (at 110 dB SPL)

Matching Impedance:  4 - 16 Ω

Ear pads:  Porous Vinyl

Cord:  2,5 m (8,2 ft) with special plug

Weight

Without Cord :  210 grams (7,4 oz)

With Cord :  275 grams (9,7 oz)

Diaphragm:  2 microns thick, high-compliance film

Voice Coil:  40 micron Silver-copper self-supporting

Impedance Matching Adapter

Dimensions (H x W x D):  140 x 60 x 220 mm (5,5" x 2,4" x 8,7")

Adapter Weight:  1620 grams (4 lbs)

Adapter Cable:  1,2 m (3,9 ft) 4 conductor


 

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