Van den Hul The Emerald

59 768.00 lei
(1 magazin)
Specificatii: Mains voltage: optional 230V or 115VWeight: 19kg (w/o ext. transformer housing)Input connectors and input resistance:Remote controlled inputs: 2 balanced stereo inputs + 2unbalanced stereo inputs Input resistance: 10KOhms resp. to ground   Output connectors and output resistance- output: 1 balanced stereo output + 1 unbalanced stereooutput. both outputs (bal. + unbal.) are simultaneously available if inputresistance of the following power amplifiers are above 10KOhms ...

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Van den Hul The Emerald

Specificatii:

 

Mains voltage: optional 230V or 115V

Weight: 19kg (w/o ext. transformer housing)

Input connectors and input resistance:

Remote controlled inputs: 2 balanced stereo inputs + 2unbalanced stereo inputs

Input resistance: 10KOhms resp. to ground

 

 

 

Output connectors and output resistance

- output: 1 balanced stereo output + 1 unbalanced stereooutput. both outputs (bal. + unbal.) are simultaneously available if inputresistance of the following power amplifiers are above 10KOhms in parallelcircuit.

- output impedance (on all outputs): appr. 350 Ohms

- output voltage: >= 6Vss on balanced output.

 

Bandwidth and distortion

- appr. 5Hz ... 20KHz +- 0.2dB

- distortion: less 0,01% (1KHz) at 1Vrms at balanced output.

 

Level adjustment

remote controlled 128-step level attenuator with special low-levelsignal relais (switched resistor array with constant input resistance) with0,75dB/step

max. attenuation: -95,25dB. The step level attenuatorcircuit also makes possible a channel balance adjustment and a signal mutingfunction, also operated by the infrared remote control.

 

 

Balanced Preamplifier

 

The Emerald balanced preamplifier is the next logic stepafter the introduction of The Grail SB.

Stereo line-level preamplifier, fully balanced amplifierdesign with special "accumulator simulation" power supply (ASPS)design. The transformer resides in an external housing.

The amplifier design allows so-called mixed mode operation(balanced-to-unbalanced and vice versa). So a combination like "unbalancedin / balanced out" is also possible like balanced in / unbalancedout" or "unbalanced in / unbalanced out" resp. "balanced in/ balanced out".

Amplifier circuit design with no overall negative feedbackand cascaded input stages plus MOSFET output stages. All functions arecontrolled by an infrared remote control milled from a solid aluminium block.Status indication (choosen input, level attenuation, balance control etc.) byliquid crystal display (LCD) at the amplifier front.

 

We have used the same design ideas from our Grail SB, likethe complete balanced DC coupled circuitry, HF PCB with 24 carat goldconnections and 0.1% precise selected components. The very innovativeelectronic circuitry is able to handle a mix of balanced and unbalanced signalsboth on the input and output.

To adjust all essential replay values, a remote control ispart of the design. The channel to be used, the replay levels and possiblechannel unbalance can be fine-tuned.

To avoid any spurious signals and magnetic induction, theamplifier housing is made of 6 & 10 mm thick steel.

Specifically, the very natural and specific spacious replayis a benchmark of The Emerald. The very high resolution in combination with thenatural dynamics in replay is another remarkable property.

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