{"product_id":"art-hva1-power-amplifiers","title":"ART HVA1","description":"\u003cdiv style=\"font-family:'Helvetica Neue',Arial,sans-serif;color:#1A1A2A;max-width:900px;margin:0 auto;line-height:1.6;font-size:15px;\"\u003e\n\u003ch3 style=\"font-size:17px;font-weight:700;color:#0D1B3E;text-transform:uppercase;letter-spacing:.06em;margin:4px 0 12px;padding:0 0 7px;border-bottom:2px solid #006D77;\"\u003eProduct overview\u003c\/h3\u003e\n\u003cp style=\"margin:0 0 16px;font-size:16.5px;color:#0D1B3E;\"\u003eThe \u003cstrong\u003eART HVA1\u003c\/strong\u003e is a two-channel Class D amplifier for 70 V and 100 V installations that delivers 135 watts per channel.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eEach channel has an independent level control and status LEDs for signal activity, clipping and thermal protection, and its operation mode (70 V or 100 V line) is selected with rear DIP switches. With a robust feature set in a 1U rackmount enclosure, the HVA1 offers a built-in limiter, an internal fan and Euroblock connectors for audio, status and control signals: the outputs can be disabled remotely, a priority input lets a test or alarm signal override the programme on all outputs, and a failure status output reports when the unit is disabled or in protect mode.\u003c\/p\u003e\n\u003ctable style=\"border-collapse:collapse;margin:6px 0 18px;width:100%;max-width:100%;table-layout:fixed;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px 8px;text-align:left;border:1px solid #DDE2E8;vertical-align:top;word-break:normal;overflow-wrap:break-word;width:55%;color:#5a6170;font-size:13px;text-transform:uppercase;letter-spacing:.05em;\"\u003e70 V \/ 100 V line, all channels driven\u003c\/td\u003e\n\u003ctd style=\"padding:12px 8px;text-align:left;border:1px solid #DDE2E8;vertical-align:top;word-break:normal;overflow-wrap:break-word;font-weight:bold;color:#006d77;font-size:17px;\"\u003e2 x 135 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px 8px;text-align:left;border:1px solid #DDE2E8;vertical-align:top;word-break:normal;overflow-wrap:break-word;width:55%;color:#5a6170;font-size:13px;text-transform:uppercase;letter-spacing:.05em;\"\u003eSwitchable per channel\u003c\/td\u003e\n\u003ctd style=\"padding:12px 8px;text-align:left;border:1px solid #DDE2E8;vertical-align:top;word-break:normal;overflow-wrap:break-word;font-weight:bold;color:#006d77;font-size:17px;\"\u003e70 V \/ 100 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px 8px;text-align:left;border:1px solid #DDE2E8;vertical-align:top;word-break:normal;overflow-wrap:break-word;width:55%;color:#5a6170;font-size:13px;text-transform:uppercase;letter-spacing:.05em;\"\u003eFrequency response (-3 dB)\u003c\/td\u003e\n\u003ctd style=\"padding:12px 8px;text-align:left;border:1px solid #DDE2E8;vertical-align:top;word-break:normal;overflow-wrap:break-word;font-weight:bold;color:#006d77;font-size:17px;\"\u003e120 Hz - 17 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px 8px;text-align:left;border:1px solid #DDE2E8;vertical-align:top;word-break:normal;overflow-wrap:break-word;width:55%;color:#5a6170;font-size:13px;text-transform:uppercase;letter-spacing:.05em;\"\u003e1U rackmount\u003c\/td\u003e\n\u003ctd style=\"padding:12px 8px;text-align:left;border:1px solid #DDE2E8;vertical-align:top;word-break:normal;overflow-wrap:break-word;font-weight:bold;color:#006d77;font-size:17px;\"\u003e4.7 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3 style=\"font-size:17px;font-weight:700;color:#0D1B3E;text-transform:uppercase;letter-spacing:.06em;margin:30px 0 12px;padding:0 0 7px;border-bottom:2px solid #006D77;\"\u003eKey features\u003c\/h3\u003e\n\u003cul style=\"margin:0 0 14px;padding-left:20px;\"\u003e\n\u003cli style=\"margin:0 0 6px;\"\u003e\n\u003cstrong\u003e2-channel Class D power amplifier\u003c\/strong\u003e (switching power)\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;\"\u003e\u003cstrong\u003eSwitchable 70 V \/ 100 V operation\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;\"\u003e\u003cstrong\u003e135 W per channel\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;\"\u003e\n\u003cstrong\u003eEuroblock connectors\u003c\/strong\u003e for input, output, status and control\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;\"\u003e\u003cstrong\u003eBuilt-in limiter\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;\"\u003e\u003cstrong\u003eShort circuit, thermal and power on \/ off muting protection\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;\"\u003e\u003cstrong\u003eRemote disable, priority test \/ alarm input and failure status output\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;\"\u003e\n\u003cstrong\u003eFront mounted level controls\u003c\/strong\u003e and Signal, Clip, Protect and Power LEDs\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;\"\u003e\n\u003cstrong\u003e1U rackmount\u003c\/strong\u003e, 19 inch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font-size:17px;font-weight:700;color:#0D1B3E;text-transform:uppercase;letter-spacing:.06em;margin:30px 0 12px;padding:0 0 7px;border-bottom:2px solid #006D77;\"\u003eFront panel\u003c\/h3\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eThe front panel carries the power switch, a level control for each channel and the indicators: the Signal LED (green) shows signal present in the channel, the Clip LED (red) shows that the input signal is too high and the Protection LED turns red in thermal protection, when the speaker load is disconnected from the amplifier outputs until the amplifier is back at a safe temperature. The Power \/ Protect LED in the level control is green in normal operation and red in protect mode. Air is drawn in through the front grilles for the variable-speed internal fan and exhausted through the rear vents.\u003c\/p\u003e\n\u003ch3 style=\"font-size:17px;font-weight:700;color:#0D1B3E;text-transform:uppercase;letter-spacing:.06em;margin:30px 0 12px;padding:0 0 7px;border-bottom:2px solid #006D77;\"\u003eRear panel and control pins\u003c\/h3\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eThe Euroblock input takes balanced or unbalanced signals for CH A and CH B, and the speaker outputs are also on Euroblock connectors. The control pins of the input block are Fail (failure status output: normally +5 V, 0 V if the unit is disabled or in protect mode), DIS (grounding it disables the amplifier and lights all protection lights), PRI (grounding it gives the Test input priority; the level knobs then turn from green to red), Test (the test \/ alarm signal that overrides all inputs and appears on all outputs when priority is active) and GND. The mains input with its fuse holder sits on the right.\u003c\/p\u003e\n\u003ch3 style=\"font-size:17px;font-weight:700;color:#0D1B3E;text-transform:uppercase;letter-spacing:.06em;margin:30px 0 12px;padding:0 0 7px;border-bottom:2px solid #006D77;\"\u003eApplications\u003c\/h3\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eART's manual shows the HVA1 driving two zones of 100 V line loudspeakers connected in parallel, with a separate audio source for each zone or the same audio on both, plus a priority control and a test \/ alarm source wired to the control pins.\u003c\/p\u003e\n\u003ch3 style=\"font-size:17px;font-weight:700;color:#0D1B3E;text-transform:uppercase;letter-spacing:.06em;margin:30px 0 12px;padding:0 0 7px;border-bottom:2px solid #006D77;\"\u003eIn the box\u003c\/h3\u003e\n\u003cul style=\"margin:0 0 14px;padding-left:20px;\"\u003e\n\u003cli style=\"margin:0 0 6px;\"\u003eHVA1 power amplifier\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;\"\u003ePower cord (determined by the country of operation, per the owner's manual)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font-size:17px;font-weight:700;color:#0D1B3E;text-transform:uppercase;letter-spacing:.06em;margin:30px 0 12px;padding:0 0 7px;border-bottom:2px solid #006D77;\"\u003eART HVA1: frequently asked questions\u003c\/h3\u003e\n\u003ch4 style=\"font-size:15px;font-weight:700;color:#0D1B3E;margin:18px 0 6px;\"\u003eCan the HVA1 run 70 V and 100 V lines?\u003c\/h4\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eYes. The operation mode (70 V or 100 V) is selected for each channel with the rear DIP switches.\u003c\/p\u003e\n\u003ch4 style=\"font-size:15px;font-weight:700;color:#0D1B3E;margin:18px 0 6px;\"\u003eHow much power does it deliver?\u003c\/h4\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003e135 W per channel, on 70 V or 100 V lines, with all channels driven.\u003c\/p\u003e\n\u003ch4 style=\"font-size:15px;font-weight:700;color:#0D1B3E;margin:18px 0 6px;\"\u003eCan a paging or alarm signal override the music?\u003c\/h4\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eYes. When the PRI pin is grounded, the signal on the Test input has priority, overrides all inputs and is present on all outputs.\u003c\/p\u003e\n\u003ch4 style=\"font-size:15px;font-weight:700;color:#0D1B3E;margin:18px 0 6px;\"\u003eWhat mains voltage does it need?\u003c\/h4\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eART's manual states AC 110-240 V, 50\/60 Hz.\u003c\/p\u003e\n\u003ch4 style=\"font-size:15px;font-weight:700;color:#0D1B3E;margin:18px 0 6px;\"\u003eWhere can I buy the ART HVA1 in India?\u003c\/h4\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eThe ART HVA1 is available from \u003cstrong\u003eShivansh Electronics, Kolkata, West Bengal, India\u003c\/strong\u003e, with delivery across India.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Shivansh Electronics","offers":[{"title":"Default Title","offer_id":68009820160367,"sku":"ART-HVA1","price":61182.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0964\/4766\/0399\/files\/ART-HVA1-POWER-AMPLIFIERS-SHIVANSH-ELECTRONICS-1.webp?v=1793745842","url":"https:\/\/shivanshelectronics.in\/products\/art-hva1-power-amplifiers","provider":"Shivansh Electronics","version":"1.0","type":"link"}