Gebruiksaanwijzing /service van het product SA-2 van de fabrikant NHT
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SA-2 Subwoofer Amplifier Now Hear This 535 Getty Court Benicia, CA 94510 800-NHT -9993 OWNER’S MANUAL .
1. READ INSTRUCTIONS - All safety and operating instructions should be read before the appliance is operated. 2. RET AIN INSTRUCTIONS - Safety and operating instructions should be ret ained for future reference. 3. HEED W ARNINGS - All warnings on the appliance and in operating instructions should be adhered to.
Thank you for your purchase of the NHT SA-2 monaural subwoofer amplifier . Please t ake a few moments to read through this Owner ’s Manual prior to inst alling your new amplifier and/or subwoofer system. The information provided can help you to obt ain maximum performance from your audio system.
Design NHT product s are designed to deliver refined, musical sound from attractive and affordable p ackages. Our effort s are guided by the study of human hearing and are optimized for real-world use. Every NHT product undergoes rigorous testing and quality control at the factory to ensure you years of listening pleasure.
3 (A) Power Switch - T urns the unit on and off (B) Power / St atus Light - Tri-color LED: Green (On), Orange (S t andby), Red (Protect) (C) V olume Control - Adjusts the loudness of the subwoofer ind.
General Connections Caution: Prior to connecting the SA-2 to your system, it is important that all AC power connections to associated components (receivers, amplifiers, pre-amplifiers, processors, etc.) are either unplugged or turned off. Do not plug in or connect the SA-2 to AC power until all connections have been made.
tings on the same track. Do not attempt to evaluate the best sound while standing above the subwoofer or amplifier , as the sound at the listening position will be significantly different. Subwoofer V olume Control The SA-2’s front p anel VOLUME CONTROL allows you to adjust the volume of the subwoofer relative to the rest of the system.
This method of connection allows your main speakers to receive the full-range audio signal (no high-pass filtering), and the subwoofer to be utilized for low bass extension only . 1) Y our L & R speakers are connected directly from your amplifier / receiver .
This method allows your main speakers to receive a high-pass filtered signal (not full range), and the subwoofer to be utilized for low- to mid-bass reproduction.
This method of connection is recommended if you have a receiver with no line level preamplifier output of any sort and you want your L & R speakers to receive a high-pass filtered signal. The SA-2 may be connected to the system at speaker level between the receiver and the speakers.
This method of connection is recommended when you have a receiver with no line level preamplifier output of any sort and you want to run your speakers full range (no high-pass filtering). If your receiver features two set s of speaker output terminals (“S peaker A” and “S peaker B”), you may use “S peaker B” to connect the SA-2.
Fine T uning the Subwoofer The frequency chart below lists some terms commonly used to describe dif ferent bands of the frequency spectrum. The key to good subwoofer / speaker integration is repeated listening, followed by small re-adjustments of the subwoofer controls.
Multiple Subwoofer Configurations: Using two SW2Si subwoofers While the addition of a powered subwoofer system results in significant improvement s to an audio or home theater system, there are some potential drawbacks to the use of a single subwoofer in certain rooms.
This connection method routes the full-range line-level signal from the preamplifier through the SA-2, which passes on a high-pass filtered signal to the main amplifier and powers the subwoofer sections of the speakers directly with a low-pass filtered signal.
This connection method results in sending a full-range line-level signal to both the main amplifier and the SA-2. If you have a separate preamplifier that features two sets of line output s, each set is connected to one amplifier . If the preamplifier features only one set of line outputs, use “Y”-adaptors to split the signal.
This connection method may be employed if your receiver has no line-level preamplifier output. The speakers and the SA-2 are con- nected in parallel of f the receiver ’s speaker output terminals.
Recommended biamplification settings: 1) SUBWOOFER PHASE: 0° . If the main amplifier inverts phase, use 180°. If you are unsure about this, select the setting that result s in higher bass output with the volume control unchanged.
T roubleshooting If the amplifier fails to operate when the Power Switch is turned on, check the power cord and all the input and output connections thoroughly . If the front panel st atus LED is red, the unit is in “protect” mode. This could be caused by incorrect wiring, short circuits, or excessive volume.
W arranty (V alid Only in the U.S.A.) W arranty Period: For the period of 5 years for parts and 5 years for labor for loudspeaker product s and 1 year for part s and 1 year for labor for electronic co.
Een belangrijk punt na aankoop van elk apparaat NHT SA-2 (of zelfs voordat je het koopt) is om de handleiding te lezen. Dit moeten wij doen vanwege een paar simpele redenen:
Als u nog geen NHT SA-2 heb gekocht dan nu is een goed moment om kennis te maken met de basisgegevens van het product. Eerst kijk dan naar de eerste pagina\'s van de handleiding, die je hierboven vindt. Je moet daar de belangrijkste technische gegevens NHT SA-2 vinden. Op dit manier kan je controleren of het apparaat aan jouw behoeften voldoet. Op de volgende pagina's van de handleiding NHT SA-2 leer je over alle kenmerken van het product en krijg je informatie over de werking. De informatie die je over NHT SA-2 krijgt, zal je zeker helpen om een besluit over de aankoop te nemen.
In een situatie waarin je al een beziter van NHT SA-2 bent, maar toch heb je de instructies niet gelezen, moet je het doen voor de hierboven beschreven redenen. Je zult dan weten of je goed de alle beschikbare functies heb gebruikt, en of je fouten heb gemaakt die het leven van de NHT SA-2 kunnen verkorten.
Maar de belangrijkste taak van de handleiding is om de gebruiker bij het oplossen van problemen te helpen met NHT SA-2 . Bijna altijd, zal je daar het vinden Troubleshooting met de meest voorkomende storingen en defecten #MANUAl# samen met de instructies over hun opplosinge. Zelfs als je zelf niet kan om het probleem op te lossen, zal de instructie je de weg wijzen naar verdere andere procedure, bijv. door contact met de klantenservice of het dichtstbijzijnde servicecentrum.
