{"id":528,"date":"2023-10-17T19:51:43","date_gmt":"2023-10-17T22:51:43","guid":{"rendered":"https:\/\/hificlub.com.br\/loja2\/produto\/audio-research-sp9-hybrid-tube-fet-com-phono\/"},"modified":"2024-10-07T17:14:59","modified_gmt":"2024-10-07T20:14:59","slug":"audio-research-sp9-hybrid-tube-fet-com-phono","status":"publish","type":"product","link":"https:\/\/hificlub.com.br\/loja\/produto\/audio-research-sp9-hybrid-tube-fet-com-phono\/","title":{"rendered":"AUDIO RESEARCH SP9 Hybrid Tube\/FET com Phono"},"content":{"rendered":"

CONDI\u00c7\u00c3O: USADO
\nEstado de conserva\u00e7\u00e3o: 9\/10<\/p>\n

\n

Tecnicamente, a vers\u00e3o Mark II do pr\u00e9-amplificador SP9 inclui um grupo de 14 melhorias diferentes, utilizando 61 componentes e mudan\u00e7as de fios.\u00a0Estes se combinam para fornecer maior confiabilidade e flexibilidade, al\u00e9m das melhorias s\u00f4nicas.<\/p>\n<\/div>\n

\n

– Na unidade de CD, o ganho foi reduzido em 12 dB, permitindo a opera\u00e7\u00e3o do controle de ganho em sua rota\u00e7\u00e3o m\u00e9dia ou alta, enquanto ainda deixa todas as outras entradas com ganho normal para fontes de programa de entrada mais baixas.<\/p>\n<\/div>\n

\n

– O zumbido de baixo n\u00edvel na se\u00e7\u00e3o de linha \u00e9 reduzido de 10 a 20 dB, o que \u00e9 percept\u00edvel principalmente em sistemas com alto-falantes de alta efici\u00eancia, pequenas salas \u201cao vivo\u201d, amplificadores de pot\u00eancia de alto ganho ou fontes de programa de CD de baixo ru\u00eddo.<\/p>\n<\/div>\n

– As se\u00e7\u00f5es de fonte de alimenta\u00e7\u00e3o e phono s\u00e3o \u201crefor\u00e7adas\u201d para evitar danos acidentais se uma fonte de CD for conectada por engano \u00e0s entradas MC phono e for reproduzida em um n\u00edvel alto, mesmo com o mudo ativado.<\/div>\n
<\/div>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Frequency response<\/th>\nHigh Level Section: \u00b1.5dB, 5 Hz to 50 kHz, – 3dB points below 1 Hz and above 200kHz.<\/td>\n<\/tr>\n
<\/th>\nPhono: \u00b1.3dB of RIAA, 30Hz to 40kHz.<\/td>\n<\/tr>\n
Distortion (THD)<\/th>\nLess than 0.1% at 2V RMS output. (Typically less than 0.005% in midband)
\n(SP-9: < .01% @ 2V RMS output 10Hz to 30kHz )<\/td>\n<\/tr>\n
Noise & hum<\/th>\nHigh Level: (1) 70 \u00b5V RMS maximum residual unweighted wideband noise at main output with gain control minimum (98 dB below 5V RMS output). (2) More than 100dB below 1 V RMS input (less than 7\u00b5V equivalent input noise)
\n(SP-9: Phono IHF weighted 72 dB below 1 mV input)<\/td>\n<\/tr>\n
<\/th>\nPhono: 0.12 \u00b5V equivalent input noise; IHF weighted, shorted input (78dB below 1 mV input).<\/td>\n<\/tr>\n
Gain<\/th>\nPhono input to tape output: 46dB<\/td>\n<\/tr>\n
<\/th>\nPhono input to main output: 67dB (SP-9: Phono 66dB (RIAA \u00b1.25 dB)<\/td>\n<\/tr>\n
<\/th>\nHigh level inputs to tape output: 0dB<\/td>\n<\/tr>\n
<\/th>\nHigh level inputs to main output: 21dB<\/td>\n<\/tr>\n
<\/th>\nCD input to main output: 9 dB<\/td>\n<\/tr>\n
Input impedance<\/th>\n50 k ohms line inputs<\/td>\n<\/tr>\n
<\/th>\n47 K phono (Phono provisions for any value below 47K ohms or added input capacitance for matching certain magnetic cartridges)<\/td>\n<\/tr>\n
Output impedance<\/th>\n250 ohms main output<\/td>\n<\/tr>\n
<\/th>\n850 ohms recorder output<\/td>\n<\/tr>\n
<\/th>\nRecommended load 60K ohms and 100pF. (20K ohms minimum)<\/td>\n<\/tr>\n
Output polarity<\/th>\n<\/td>\n<\/tr>\n
Maximum inputs<\/th>\nPhono, 200 mv at 1kHz (1000 mv RMS, 10kHz)<\/td>\n<\/tr>\n
<\/th>\nHigh level inputs essentially overload proof<\/td>\n<\/tr>\n
Rated outputs<\/th>\n2 V RMS 5 kHz to 50 kHz, all out-puts; 60k ohm load (main output capability is 50 V RMS output at 0.5% THD at 1 kHz into a 100K ohm load with 5V RMS high level input)<\/td>\n<\/tr>\n
Power supplies<\/th>\nElectronically\u2013regulated low and high voltage supplies and electronic decoupling. Shielded toroid transformer. Line Regulation better than .01%.<\/td>\n<\/tr>\n
Tube complement<\/th>\n(2) 6922<\/td>\n<\/tr>\n
Power requirements<\/th>\n100-135 VAC 60 Hz (200-270 VAC 50\/60Hz) 55 watts max<\/td>\n<\/tr>\n
Other<\/th>\n<\/td>\n<\/tr>\n
Dimensions<\/th>\n19\u201d (48 cm) W x 5 1\/4\u201d (13.4 cm) H (standard rack panel) x 10 \u00bc\u201d (26 cm) D. Handles extend 1 \u00bd\u201d (3.8 cm) forward of the front panel. Rear chassis fittings extend 7\/8\u201d (2.3 cm).<\/td>\n<\/tr>\n
Weight<\/th>\n12 lbs. (5.5 kg) Net; 21 lbs. (9.5 kg) Shipping<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

CONDI\u00c7\u00c3O: USADO Estado de conserva\u00e7\u00e3o: 9\/10 Tecnicamente, a vers\u00e3o Mark II do pr\u00e9-amplificador SP9 inclui um grupo de 14 melhorias diferentes, utilizando 61 componentes e mudan\u00e7as de fios.\u00a0Estes se combinam para fornecer maior confiabilidade e flexibilidade, al\u00e9m das melhorias s\u00f4nicas. – Na unidade de CD, o ganho foi reduzido em 12 dB, permitindo a opera\u00e7\u00e3o […]<\/p>\n","protected":false},"featured_media":527,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[29,38,26],"product_tag":[],"class_list":["post-528","product","type-product","status-publish","has-post-thumbnail","product_cat-audio-research","product_cat-pre-amplificador","product_cat-vintage","first","instock","sold-individually","shipping-taxable","purchasable","product-type-simple"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t