{"id":6710,"date":"2026-08-09T03:44:45","date_gmt":"2026-08-09T03:44:45","guid":{"rendered":"https:\/\/baflesoviedo.com\/home\/?post_type=product&p=6710"},"modified":"2026-08-09T03:44:45","modified_gmt":"2026-08-09T03:44:45","slug":"audio-research-ls-2-preamplificador","status":"publish","type":"product","link":"https:\/\/baflesoviedo.com\/home\/product\/audio-research-ls-2-preamplificador\/","title":{"rendered":"Audio Research, LS-2, Preamplificador"},"content":{"rendered":"
TECHNICAL SPECIFICATIONS<\/b><\/h6>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Frequency Response<\/span><\/td>\n-0.3dB 10Hz, -0.3dB 40kHz at rated output<\/span><\/p>\n

(Balanced, 100k ohms load)<\/span><\/td>\n<\/tr>\n

THD+Noise<\/span><\/td>\n<0.03% at 2V RMS BAL Output, 10Hz-80kHz Unweighted<\/span><\/td>\n<\/tr>\n
Noise<\/span><\/td>\n-77dBV at Max Volume (99)<\/span><\/td>\n<\/tr>\n
Crosstalk<\/span><\/td>\n-76dB<\/span><\/td>\n<\/tr>\n
Gain<\/span><\/td>\n12 dB Balanced Output<\/span><\/p>\n

12 dB SE Output<\/span><\/td>\n<\/tr>\n

Input Impedance<\/span><\/td>\n25K ohms BAL and SE<\/span><\/td>\n<\/tr>\n
Output Impedance<\/span><\/td>\n10 ohms BAL, 2a5 ohms SE<\/span><\/td>\n<\/tr>\n
Output Polarity<\/span><\/td>\nBalanced: Inverting<\/span><\/p>\n

SE: Inverting<\/span><\/td>\n<\/tr>\n

Power Requirements<\/span><\/td>\n120VAC 60Hz 35W Maximum<\/span><\/td>\n<\/tr>\n
Standby<\/span><\/td>\n120VAC 60Hz 4.4W<\/span><\/td>\n<\/tr>\n
Tubes Required<\/span><\/td>\n2 x 6H30<\/span><\/td>\n<\/tr>\n
Dimensions<\/span><\/td>\nWidth 19″ (48.26 cm)<\/span><\/p>\n

Height 7\u201d (17.78 cm)<\/span><\/p>\n

Depth 17.5\u201d (44.45 cm)<\/span><\/p>\n

Weight: 33lbs (15kg) Net, 48lbs (21.8kg) Shipping<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

Click aqu\u00ed para m\u00e1s informaci\u00f3n del producto.<\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

*Cont\u00e1ctenos para obtener el precio.<\/span><\/p>\n

El LS-2 ha sido dise\u00f1ado para acercar la reconocida musicalidad de los preamplificadores a v\u00e1lvulas de Audio Research a un p\u00fablico m\u00e1s amplio, sin renunciar a la excelencia sonora de la marca. Su circuito \u00edntegramente a v\u00e1lvulas, en Clase A y sin realimentaci\u00f3n, ofrece una reproducci\u00f3n abierta, transparente y llena de riqueza arm\u00f3nica, capaz de recrear con precisi\u00f3n el espacio y la din\u00e1mica de cada interpretaci\u00f3n. Adem\u00e1s, su dise\u00f1o moderno y su arquitectura ampliable lo convierten en un componente vers\u00e1til para sistemas de alta fidelidad actuales.<\/span><\/p>\n

Caracter\u00edsticas principales:<\/span><\/p>\n