- Descriere
- Specificații
- Informații suplimentare
- Sfaturi practice
- Producător
- Recenzii (0)
Descriere
Class-A Discrete preamplifiers LM49860 – 130dB SNR
Gustard P26 is an advanced preamplifier / volume controller / souce selector (3 Inputs). It will delight audiophiles looking for a fully balanced circuit with volume control to drive a power amplifier in any demanding audio system.
It offers an innovative option to configure separately the input gain from the output gain. This is a particularly useful feature that allows operation even with devices that have very different specifications.
Audiophile circuit design
This preamplifier has a circuit designed for fully balanced applications. Thus the inputs, the volume control, the preamplification stage are all fully balanced with no conversion stage at all.
It uses two high-performance stereo LME49860 operational-amplifiers mounted on DIP-8 support (removable). The latter can then be renewed / changed in order to adapt the overall sound signature. The amplification stage is hybrid, that is to say it relies on OPA as well as discrete components subcircuits.
The output stages are constructed from discrete components with differential signaling architecture, which ensures excellent stability in output signal.
Analog attenuation
Thanks to a relay matrix driven by a logic circuit ALTERA MAX, the P26 is able to provide a constant and accurate volume on each channel.
This type volume of control combines the best of both worlds with : the precision and finesse of pure analog attenuation as well as the confort of digital control and the ability to change the volume remotely.
Linear regulated power supply
Gustard P26 carry its own linear regulated power supply with high speed low noise rectifier.
It also benefits from a custom ultra-low noise discrete voltage regulator .
The power supply finally uses a 50W toroidal transformer specifically developed for properly supplying this circuit.
A selector on the back of the unit toggles between 230V / 110V power-grids.
Display, front controls and infrared remote control
The P26 comes with an infrared remote control. This remote enables the user to access the volume, mute and source selection functions.
WARNING: In order to operate the remote control, please press and hold the AMP button on the remote control for 4 seconds.
All control are also available on the front panel. An ON / OFF button, a control button to select the source and configure the input / output gain. Finally, a rotary controller is used to adjust the volume level.
The OLED monitor screen shows real-time the active source, the current volume level and the in / out gain parameters.
Connectivity
A | Unbalanced RCA output |
B | Balanced XLR output |
C | Balanced XLR Input 2 |
D | Balanced XLR Input 2 |
E | Unbalanced RCA Input |
F | 230V/110V selector |
G | IEC Socket (AC IN) |
P26 has two balanced inputs on XLR stereo ports and one unbalanced input (stereo RCA).
one RCA stereo output and one XLR stereo output are used to connect the P26 to a balanced or unbalanced amplifier.
Type Preamplifier
Volume Control
Gain Control Independent input gain / output gain control
Output impedance XLR: 100Ω
RCA: 100Ω
Maximum Output Level RCA: 9.5Vrms
XLR: 19Vrms (+ dBu)
Class AC 115V / 230V 50 / 60Hz (manual adjustment).
AOP 2x dual op amp LM49860
Mounted on DIP8 stand (replacable)
Inputs Balanced XLR x 2
Unbalanced RCA x1
Outputs Balanced XLR x1
Unbalanced RCA x1
THD + N < 0.00035% 20-22kHzBW @ 18dBu (gain In) 18dBu (gain Out)
Channel crosstalk -130dB @ 20-20KHz
SNR 130dB
Frequency response 20-20KHz /+-0.1dB
Remote control Yes
Power consumption Less than 20W
Power supply AC 115V / 230V 50 / 60Hz (manual adjustment).
Dimensions Width 330 x Length 260 x Height 65mm
Informații suplimentare
Producător | |
---|---|
Disponibilitate | La Comandă – Produsul se aduce la comandă in 3-6 zile! |
Unitate Pret | Bucata |
PENTRU BOXE:
- Pentru performante optime este necesara pozitionarea boxelor la o distanta de minim 30-40cm de peretele din spate pentru boxele cu bass-reflex in spate, pentru cele cu bass-reflex in fata, recomandam pozitionarea la o distanta de 10-20cm fata de peretele din spate.
- Boxele vor ajunge sa functioneze in parametrii recomandati de producator, dupa minim 50 de ore (ideal 100 ore) de functionare la volum mediu. In aceasta perioada de timp, de “rodaj a boxelor”, sunetul va fi la inceput ceva mai artificial, bass-ul nu va fi inca controlat, inaltele rigide iar vocile usor retinute, pe masura ce boxele vor functiona, veti remarca cum bas-ul devine mai controlat, mai prezent si mai voluminos, vocile si sunetele medii devin naturale si mai echilibrate, iar inaltele devin rafinate si detaliate. Exista boxe care necesita un „rodaj” mai amplu de minim 300 de ore mai ales in cazul celor care au difuzoare de kevlar, carbon sau alte materiale de acest tip. Boxele care se „rodeaza” cel mai repede sunt cele care au difuzoare de celuloza.
PENTRU AMPLIFICATOARE, DAC-URI, PREAMPLIFICATOARE, RECEIVER STEREO & HOME CINEMA, SURSE DIGITALE AUDIO-VIDEO:
- Pentru performante optime este necesar „rodarea” echipamentului, In functie de complexitatea componentelor din aparatul dumneavoastra acesta poate dura intre 30-200 ore.
- Rodajul se face la volum minim, fiind astfel suficient faptul ca acesta este alimentat corect conform manualului de utilizare la 220-230 Volti si trece semnal audio sau video dupa caz prin el.
- Echipamentul supus „rodajului” va ajunge sa functioneze in parametrii recomandati de producator, dupa perioada mai sus mentionata. In aceasta perioada de timp, de “rodaj”, sunetul va fi la inceput ceva mai artificial, bass-ul nu va fi inca controlat, inaltele rigide iar vocile usor retinute, pe masura ce echipamentul va functiona, veti remarca cum bas-ul devine mai controlat, mai prezent si mai voluminos, vocile si sunetele medii devin naturale si mai echilibrate, iar inaltele devin rafinate si detaliate.
PENTRU CABLURI:
- Pentru performante optime este necesara „rodarea” cablurilor, In functie de complexitatea conductorului folosit, cat si geometriei acestuia, „rodajul” poate dura intre 30-100 ore.
- Rodajul se face la volum minim, fiind astfel suficient faptul ca va trece semnal audio sau video dupa caz prin el.
- Cablul supus „rodajului” va ajunge sa functioneze in parametrii recomandati de producator, dupa perioada mai sus mentionata. In aceasta perioada de timp, de “rodaj”, sunetul va fi la inceput ceva mai artificial, pe masura ce cablul va functiona, veti remarca cum bas-ul devine mai controlat, mai prezent si mai voluminos, vocile si sunetele medii devin naturale si mai echilibrate, iar inaltele devin rafinate si detaliate.
Pentru detalii privind aceste aspecte de rodaj si nu numai, va rugam sa ne consultati!
Recenzii
Nu există recenzii până acum.