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Master Clock Teac CG-10M-A Negru
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New Reference OCXO − an Oven-controlled Crystal Oscillator
Since temperature has a huge effect on accuracy of the crystal oscillator, minimising temperature changes and maintaining it at an ideal level are extremely important in order to generate an accurate clock signal. The CG-10M-A employs an innovative oven-controlled crystal oscillator, the TEAC Reference OCXO to reduce oscillation frequency fluctuations caused by temperature changes.
A class-leading ultra high-precision clock
Thanks to the TEAC Reference OCXO, the CG-10M-A delivers an ultra high-precision 10MHz clock signal − within ±3 ppb of frequency temperature characteristics and within ±0.1 ppm of frequency precision − to USB DACs and digital players. A unique laser-engraved serial number and the TEAC Reference OCXO logo on every OCXC case is proof of the rigorous quality inspection undertaken during the manufacturing process.
ppm=10-6, ppb=10-９
Frequency temperature characteristics: A value of frequency fluctuation caused by temperature change
Frequency precision: An actual frequency range
Four BNC clock output connectors
Four gold-plated BNC connectors (50 ohms) are provided to deliver clock signals to multiple devices. Up to four devices that support a 10MHz input may be connected simultaneously, including USB DACs, network players and SA-CD players.
Independent and isolated circuit design
Each circuit in the CG-10M-A − from the power supply section to the buffer-amp at the output stage, − is completely isolated to prevent cross-interference when multiple devices are connected to the BNC connectors.
By incorporating a buffer-amp into each circuit, no degradation of the signal waveform occurs when the generated clock signal is shared by several devices.
Oven Status Gauge for clock stability monitoring
The OVEN STATUS analogue gauge located in the middle of the unit, a TEAC trademark in recent years, shows the stability of the crystal oscillator when in use. As the temperature of the oven that contains the crystal oscillator reaches to the ideal temperature for accurate clock generation, power consumption of the oven decreases and the gauge points to zero, signaling to the user that the digital processing on the connected device is now controlled by an extremely accurate 10MHz clock signal.
The gauge is a backlit-type with a dimmer control (including the ability to completely switch the backlight off).
* The oscillator is usually stable about 2 minutes after the power is turned on. However, at least 10 minutes are necessary for the clock to reach an ideal condition.
Toroidal-core power transformer
A high-capacity, toroidal-core power transformer constantly supplies a constant, stable current that contributes greatly to the efficacy of the crucial clock generation and its subsequent high-precision output.
Three-position, patented ‘Pin-Point’ feet for perfect stability
The CG-10M-A employs TEAC's patented ‘Pin-Point’ feet. These ingeniously comprises two separated metal sections in a in an integrated housing. One is has a spiked top and is attached to the bottom of the chassis, the other is a basin-shaped base that hangs down from the spiked section with a flange-shaped cup to simply installation.
Three ‘Pin-Point’ foot are used for support, two at the front and one at the rear, for excellent stability, even on an uneven floor.
As a result, the three ‘Pin-Point’ feet help improve the accuracy of clock oscillation by minimising vibrations and resonance. This, in turn, reduces mid and low frequency muddiness, improves the soundstage and enhances fine sound detail.
* Japan patent No. 4075477 and No. 3778108
A robust full-metal chassis, combined with an A4-size footprint
Designed to match the successful Reference 500 series, the CG-10M-A features aluminum panels and a robust metal chassis (that also isolates it from electromagnetic noise).
with a compact A4-size footprint that will fit anywhere.
Features at a glance
- High-precision TEAC Reference OCXO − an ‘oven-controlled’ crystal oscillator
- ±3 ppb frequency temperature characteristics
- ±0.1 ppm frequency precision
- 4 x 10MHz clock output connectors (gold-plated BNCs)
- Completely independent and isolated circuit
- High capacity toroidal-core power transformer
- An iconic OVEN STATUS gauge for oscillation stability monitor
- Dimmable backlight color matching with the Reference 505 amplifiers
- Patent-registered ‘Pin-Point’ feet to minimise vibrations*
- Three feet for the perfect support
- Full-metal body to eliminate incoming electromagnetic noise
- Detachable 3-pole IEC power socket
- Compatible with TEAC UD-701N, UD-505-X, NT-505-X, UD-505, NT-505, UD-503 and NT-503
- Compliant with RoHS
Clock Outputs
Connectors BNC×４ (gold-plated)
Output Sampling Frequency 10MHz
Output Impedance 50Ω
Output Level 0.5Vrms (sine wave)
OCXO (Crystal Oscillator)
Clock stabilization time 2 minutes
Frequency temperature characteristics within ± 3ppb (when shipped new)
Frequency precision within ± 0.1ppm (when shipped new)
Power supply
AC120V, 60Hz
AC220 – 240V, 50/60Hz
Power Consumption
warming up
US/Canada 15.4W
UK/Europe 15.8W
stable
US/Canada 10.0W
UK/Europe 10.8W
Dimensions 290(W)×84.5(H)×248.7(D)mm /
11.4”(W)×3.3”(H)×9.8”(D)
Weight 3.6kg / 7.9 lbs.
Operating Temperature +5˚C to +35˚C
Operating humidity range 5% to 85% (no condensation)
Storage Temerature -20˚C to +55˚C
Accessories Power cord, Pads×, Owner′s Manual (including Warranty Card)
Informații suplimentare
| Producător | |
|---|---|
| Disponibilitate | În Stoc Furnizor * Verificati disponibilitatea produsului! |
| Unitate Pret | Bucata |
Explicatii in ceea ce priveste rodajul echipamentelor, cat si al cablurilor, asezarea optima a echipamentelor in camera de auditie, importanta acusticii camerei si nu in ultimul rand sistemul de alimentare a intregului echipament:
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, dar totodata la o distanta de cel putin 50cm fata de peretii laterali. Tineti cont de faptul ca orice piesa de mobilier din incapere, joaca rol de absorbtie fonica, dar si de difuzie fonica daca acestea din urma sunt din materiale ceramica sau oglinzi, geamuri sau alt material reflectorizant. In acest sens, gasiti pe blogul nostru, multiple articole care va pot ajuta
- 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 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.
Imbunatatirea sunetului unui sistem audio stereo (Partea I)
Imbunatatirea sunetului unui sistem audio stereo – (Partea II)
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.
- In ceea ce priveste echipamentul video precum videoproiector, TV, media player, blueray player, necesita un "rodaj" de cel putin 50 de ore. Lipsa acestuia nu va poate oferi maxim de performanta. "Rodajul" se efectueaza prin simpla utilizare a acestuia, intr-un mod conform specificatiilor mentionate de producator.
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.
Articole indrumatoare:
Tratamentul Acustic si Izolarea Fonica
Pentru un sistem echilibrat, trebuie tinut cont pe langa asezarea corecta a boxelor in incapere, al echipamentelor, sistemul de alimentare al acestora, tinand cont de instalatia electrica a locatiei.
Pentru detalii privind aceste aspecte de rodaj si nu numai, va rugam sa ne consultati!
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