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 Limited Warranty

SC Amp

TM

 Manual

 iii

Limited Warranty

LISTEN, Inc., a Massachusetts Corporation, having its principal place of business at 580 Harrison Ave, 
Suite 3W, Boston, MA  02118 ("Manufacturer") warrants its 

SC Amp Audio Test & Measurement 

Amplifier 

products (the "Products") as follows:

1. 

 Limited Warranty

Manufacturer warrants that the Products sold hereunder will be free from defects in material and 
workmanship for a period of one (1) year from the date of purchase.  If the Products do not conform to this 
Limited Warranty during the warranty period (as herein above specified), Buyer shall notify Manufacturer in 
writing of the claimed defects and demonstrate to Manufacturer satisfaction that said defects are covered 
by this Limited Warranty.  If the defects are properly reported to Manufacturer within the warranty period, 
and the defects are of such type and nature as to be covered by this warranty, Manufacturer shall, at its own 
expense, furnish, replacement Products or, at Manufacturer's option, replacement parts for the defective 
Products.  Shipping of the replacement Products or replacement parts shall be at Buyer's expense.

2.  

Other Limits

.

THE FOREGOING IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT 
NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 
PARTICULAR PURPOSE.  Manufacturer does not warrant against damages or defects arising out of 
improper or abnormal use of handling of the Products; against defects or damages arising from improper 
installation (where installation is by persons other than Manufacturer), against defects in products or 
components not manufactured by Manufacturer, or against damages resulting from such non-Manufacturer 
made products or components.  Manufacturer passes on to Buyer the warranty it received (if any) from the 
maker thereof of such non-Manufacturer made products or components.  This warranty also does not apply 
to Products upon which repairs have been effected or attempted by persons other than pursuant to written 
authorization by Manufacturer.

3.  

Exclusive Obligation

.

THIS WARRANTY IS EXCLUSIVE.   The sole and exclusive obligation of Manufacturer shall be to repair or 
replace the defective Products in the manner and for the period provided above.  Manufacturer shall not 
have any other obligation with respect to the Products or any part thereof, whether based on contract, tort, 
strict liability or otherwise.  Under no circumstances, whether based on this Limited Warranty or otherwise, 
shall Manufacturer be liable for incidental, special, or consequential damages.

4.  

Other Statements

.

Manufacturer's employees or representatives' ORAL OR OTHER WRITTEN STATEMENTS DO NOT 
CONSTITUTE WARRANTIES, shall not be relied upon by Buyer, and are not a part of the contract for sale 
or this limited warranty.

5.  

Entire Obligation

.

This Limited Warranty states the entire obligation of Manufacturer with respect to the Products.  If any part 
of this Limited Warranty is determined to be void or illegal, the remainder shall remain in full force and 
effect.

Содержание SC Amp

Страница 1: ...eb www listeninc com Sales sales listeninc com Support support listeninc com Listen Inc 580 Harrison Ave Suite 3W Boston MA 02118 Tel 617 556 4104 Fax 617 556 4145 Web www listeninc com Sales sales li...

Страница 2: ...REV 051217...

Страница 3: ...nd Symbol erkl rungen 7 Informaci n de Seguridad y S mbolos 9 Introduction 11 Features 11 Front Panel 11 Rear Panel 12 Operation 13 Over Temperature Standby 13 Thermal Shutdown 13 Short Circuit Monito...

Страница 4: ...ii Contents SC AmpTM Manual Page Intentionally Left Blank...

Страница 5: ...use of handling of the Products against defects or damages arising from improper installation where installation is by persons other than Manufacturer against defects in products or components not man...

Страница 6: ...iv SC AmpTM Manual Limited Warranty Page Intentionally Left Blank...

Страница 7: ...purpose of the grounding type plug This apparatus should be connected to a receptacle with a protective earthing or ground connection 11 Protect the power cord from being walked on or pinched particu...

Страница 8: ...terminals are inadvertently short circuited zWhen the product is operated at or near the maximum rated output power of 35 W at a duty cycle exceeding 25 z When the product is operated at ambient tempe...

Страница 9: ...ikke sikkerheden ved stikket til jordforbindelse Denne enhed skal forbindes til en beholder med en intakt beskyttelsesleder eller jord forbindelse 11 Beskyt netledningen mod at blive tr dt p eller kle...

Страница 10: ...g medf re sikkerhedsrisici Brug kun str mforsyninger leveret af eller godkendt af Listen Inc ADVARSEL Power Out stikket p bagpanelet er beregnet til at forsyne visse Listen Inc produkter og periferiud...

Страница 11: ...t doit demeurer op rationnel en tout temps apr s l installation 10 Ne modifiez pas les fins de s curit de la fiche de type mise la terre Cet appareil doit tre branch une prise avec une connexion de mi...

Страница 12: ...t CA autre peut endommager le produit et pr senter des dangers de s curit Utilisez seulement des adaptateurs de courant fournis par ou approuv s par Listen Inc AVERTISSEMENT Le connecteur de l aliment...

Страница 13: ...darf nur an eine Steckdose mit Schutzerdung oder Masse angeschlossen werden 11 Das Netzkabel muss so gesch tzt werden dass niemand auf das Kabel treten kann und dass es nicht gequetscht werden kann D...

Страница 14: ...rrufen Verwenden Sie nur Netzteile die von Listen Inc geliefert oder zugelassen wurden VORSICHT Der r ckseitige Ausgang Netzanschluss ist f r die Stromversorgung bestimmter Listen Inc Produkte und Per...

Страница 15: ...dad del enchufe conectado a tierra Este aparato se debe conectar a un recept culo con una conexi n a tierra que sirva de protecci n 11 Proteja el cable de alimentaci n para que nadie lo pise ni quede...

Страница 16: ...rovistos o aprobados por Listen Inc PRECAUCI N El conector de salida de tensi n que se encuentra en el tablero trasero sirve para alimentar determinados productos y perif ricos de Listen Inc dise ados...

Страница 17: ...ting overload and high temperature conditions z SC Amp integrates seamlessly with Listen s SoundCheck audio test and measurement software and will also work well with other brands of test system z Fou...

Страница 18: ...input z Any voltage on this input up to 3 5 V will cause the output to be offset by the same amount z Low frequency AC signals 5 Hz can also be applied to this connector Line In Power amplifier audio...

Страница 19: ...to cool down for several minutes before turning on again If this does not reset the unit disconnect AC power from the power brick for several minutes and then try again Short Circuit Monitoring The ou...

Страница 20: ...to one amplifier output reduces the impedance of the load e g 8 Ohms in parallel with 8 Ohms equals 4 Ohms SC_Amp s performance will vary with loads below 4 Ohms Impedance Measurement When using SC A...

Страница 21: ...t to the differential output of the Impedance Interface Output which is essential for the correct operation of this circuit For BNC Device Output The BNC output can be connected to a 1 4 Tip Sleeve ma...

Страница 22: ...Output 1 is connected to the Line In of SC Amp z A DC Connect Stimulus Step in a test sequence controls DC Connect to send a 1 VDC signal to SC Amp z The sine sweep stimulus from the SoundCheck seque...

Страница 23: ...voltage Vp p of SC Amp Figure 7 8 shows a 2 VDC Offset applied which reduces the maximum potential output signal 0 V Positive Voltage Limit Vp p Max output voltage before clipping Negative Voltage Lim...

Страница 24: ...18 SC AmpTM Manual Operation Page Intentionally Left Blank...

Страница 25: ...ram SC AmpTM Manual 19 Block Diagram DC Input Zin 1M Limiter Low Pass Filter Level Indicator Output Current Recovery Amp 0 1V A Output Line In Zin 48k GND Lift 50 10nF High Pass Filter Power Amp DC In...

Страница 26: ...20 SC AmpTM Manual Block Diagram Page Intentionally Left Blank...

Страница 27: ...nloaded Fixed at 26 4 dB 0 1 dB Cooling Rear heatsink DC Input Input Connector Isolated BNC Impedance 1 M DC Gain Factor Unity DC Offset Range 3 5 V Maximum offset current to load 1 A Step Function Ri...

Страница 28: ...22 SC AmpTM Manual Specifications Page Intentionally Left Blank...

Страница 29: ...ltages listed on the supplied or approved AC power adapter z Transient Overvoltages up to the levels of Overvoltage Category II as required in the relevant standards listed on the Declaration of Confo...

Страница 30: ...T kV R M U U L V K M W L J n Q N T U J M R IV N J K X V J O o M R S K M N N V J O X Z J p n jM N q V R M K K T N S V R L Y r 8 s t e A u B v i w x G u B v x M R S K T R m T N jO kV X Z X Z J m T L L...

Страница 31: ...alified in the service of electronic instrumentation attempt repair Contact Information Contact the Listen office at 617 556 4104 Monday thru Friday between 9 AM and 5 PM EST Sales sales listeninc com...

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