Giới thiệu Micro không dây BBS E-250GS
Micro không dây BBS E-250GS là dòng micro không dây chuyên nghiệp được thiết kế chuyên dành cho karaoke gia đình cũng như kinh doanh. Sở dĩ nói như vậy là vì trước hết bởi khả năng tự ngắt khi đặt mic xuống: Micro sẽ tự động tắt tín hiệu sau 5 giây khi đặt micro xuống bàn và tự động hoạt động trở lại khi cầm micro lên. Sau 5 phút không sử dụng micro tự chuyển sang chế độ ngắt pin (không tốn pin nữa ). Sau 15 phút thì micro chuyển sang chế độ tắt toàn bộ. Để tắt và bật tính năng tự ngắt tiếng này bấm và giữ nút GS ở đuôi micro khoảng 3 giây. Trên màn hình sẽ hiện ON ( Bật chế độ tự ngắt thông minh) hoặc OFF ( Tắt chế độ tự ngắt thông minh).
Đặc điểm nổi bật
Micro không dây BBS E-250GS cũng kiểm soát tiếng hú/rít khá tốt với công nghệ nén dynamic. Ngoài ra, kiểu củ mic phân cực super cardioid rất phù hợp với môi trường karaoke bởi nó loại bỏ được phần lớn các tạp âm mà chỉ tập trung phát giọng hát của ca sỹ (khi mic được hướng thẳng vào miệng). Là dòng micro không dây BBS cao cấp.
Tính năng tự động dò tìm sóng phù hợp “sóng sạch”, tránh được tình trạng nhiễu sóng. Phạm vi lựa chọn tần số với 200 kênh UHF ( 745MHz - 785MHz ). Micro được thiết kế đặc biệt cho các ứng dụng như biểu diễn , sự kiện trực tiếp , Karaoke chuyên nghiệp.
Thông số kỹ thuật
Bộ thu tín hiệu
Khoảng tần số có thể chọn lựa: 792.5MHz - 817.375MHz
Số kênh: 200
Practical Sensitivity Input 6dBuV – 10dBuV time, S / N > 80dB
Tính ổn định của tần số: ± 0.005% (-10 ℃ ~ 50 ℃)
Độ lệch cực đại: ± 48KHz
Tỷ lệ S/N > 105dB (1KHz-A)
Độ nhiễu âm THD <0.5% @ 1KHz
Điện thế đầu ra: 12dBV ~ 15dBv
Trở kháng đầu ra: 2.2 KΩ
Cổng ra không cân bằng: TRS 6.3mm
Màn hình LCD & hệ thống đèn LED
Nguồn điện: 12V DC – 1.25A
Kích thước (mm): 420 (rộng) X 44 (cao) X 138 (sâu)
Trọng lượng: 1.35kg
Tay mic BBS E-250GS
Khoảng tần số có thể chọn lựa: 792.5MHz - 817.375MHz
Số kênh: 200
Tần số đáp ứng: 50Hz ~ 18KHz
Công suất đầu ra: ≦ 50mW
Điều hòa bức xạ: <-60dBc
Độ lệch cực đại: ± 48KHz
Màn hình LCD và màu sắc thể hiện độ động của cuộn dây côn (OK-40 +40 A, OK -40 +40 B, OK-40 + X40-2900)
Pin NiMH có thể sạc lại
Trọng lượng: 298g
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Elusive shipwreck found in Lake Michigan over 100 years after sinking
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A “ghost ship” that sank in Lake Michigan nearly 140 years ago and eluded several search efforts over the past five decades has been found, according to researchers with the Wisconsin Underwater Archeology Association.
The wooden schooner got caught in a storm in the dead of night and went down in September 1886. In the weeks after, a lighthouse keeper reported the ship’s masts breaking the lake surface, and fishermen caught pieces of the vessel in their nets. Still, wreck hunters were unable to track down the ship’s location — until now.
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Earlier this year, a team of researchers with the Wisconsin Underwater Archeology Association and Wisconsin Historical Society located the shipwreck off the coastal town of Baileys Harbor, Wisconsin, the association announced on Sunday.
Named the F.J. King, the ship had become a legend within the Wisconsin wreck hunter community for its elusive nature, said maritime historian Brendon Baillod, principal investigator and project lead of the discovery.
“We really wanted to solve this mystery, and we didn’t expect to,” Baillod told CNN. “(The ship) seemed to have just vanished into thin air. … I actually couldn’t believe we found it.”
The wreck is just one of many that have been found in the Great Lakes in recent years, and there are still hundreds left to be recovered in Lake Michigan alone, according to Baillod.
The ‘ghost ship’
Built in 1867, the F.J. King plied the waters of the Great Lakes for the purpose of trans-lake commerce. The ship transported grains during a time when Wisconsin served as the breadbasket of the United States. The 144-foot-long (44-meter) vessel also carried cargo including iron ore, lumber and more.
The ship had a lucrative 19-year career until that September night when a gale-force wind caused its seams to break apart, according to the announcement. The captain, William Griffin, ordered the crew to evacuate on the ship’s yawl boat, from where they watched the F.J. King sink, bow first.
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Elusive shipwreck found in Lake Michigan over 100 years after sinking
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A “ghost ship” that sank in Lake Michigan nearly 140 years ago and eluded several search efforts over the past five decades has been found, according to researchers with the Wisconsin Underwater Archeology Association.
The wooden schooner got caught in a storm in the dead of night and went down in September 1886. In the weeks after, a lighthouse keeper reported the ship’s masts breaking the lake surface, and fishermen caught pieces of the vessel in their nets. Still, wreck hunters were unable to track down the ship’s location — until now.
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Earlier this year, a team of researchers with the Wisconsin Underwater Archeology Association and Wisconsin Historical Society located the shipwreck off the coastal town of Baileys Harbor, Wisconsin, the association announced on Sunday.
Named the F.J. King, the ship had become a legend within the Wisconsin wreck hunter community for its elusive nature, said maritime historian Brendon Baillod, principal investigator and project lead of the discovery.
“We really wanted to solve this mystery, and we didn’t expect to,” Baillod told CNN. “(The ship) seemed to have just vanished into thin air. … I actually couldn’t believe we found it.”
The wreck is just one of many that have been found in the Great Lakes in recent years, and there are still hundreds left to be recovered in Lake Michigan alone, according to Baillod.
The ‘ghost ship’
Built in 1867, the F.J. King plied the waters of the Great Lakes for the purpose of trans-lake commerce. The ship transported grains during a time when Wisconsin served as the breadbasket of the United States. The 144-foot-long (44-meter) vessel also carried cargo including iron ore, lumber and more.
The ship had a lucrative 19-year career until that September night when a gale-force wind caused its seams to break apart, according to the announcement. The captain, William Griffin, ordered the crew to evacuate on the ship’s yawl boat, from where they watched the F.J. King sink, bow first.
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Elusive shipwreck found in Lake Michigan over 100 years after sinking
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A “ghost ship” that sank in Lake Michigan nearly 140 years ago and eluded several search efforts over the past five decades has been found, according to researchers with the Wisconsin Underwater Archeology Association.
The wooden schooner got caught in a storm in the dead of night and went down in September 1886. In the weeks after, a lighthouse keeper reported the ship’s masts breaking the lake surface, and fishermen caught pieces of the vessel in their nets. Still, wreck hunters were unable to track down the ship’s location — until now.
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Earlier this year, a team of researchers with the Wisconsin Underwater Archeology Association and Wisconsin Historical Society located the shipwreck off the coastal town of Baileys Harbor, Wisconsin, the association announced on Sunday.
Named the F.J. King, the ship had become a legend within the Wisconsin wreck hunter community for its elusive nature, said maritime historian Brendon Baillod, principal investigator and project lead of the discovery.
“We really wanted to solve this mystery, and we didn’t expect to,” Baillod told CNN. “(The ship) seemed to have just vanished into thin air. … I actually couldn’t believe we found it.”
The wreck is just one of many that have been found in the Great Lakes in recent years, and there are still hundreds left to be recovered in Lake Michigan alone, according to Baillod.
The ‘ghost ship’
Built in 1867, the F.J. King plied the waters of the Great Lakes for the purpose of trans-lake commerce. The ship transported grains during a time when Wisconsin served as the breadbasket of the United States. The 144-foot-long (44-meter) vessel also carried cargo including iron ore, lumber and more.
The ship had a lucrative 19-year career until that September night when a gale-force wind caused its seams to break apart, according to the announcement. The captain, William Griffin, ordered the crew to evacuate on the ship’s yawl boat, from where they watched the F.J. King sink, bow first.
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Elusive shipwreck found in Lake Michigan over 100 years after sinking
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A “ghost ship” that sank in Lake Michigan nearly 140 years ago and eluded several search efforts over the past five decades has been found, according to researchers with the Wisconsin Underwater Archeology Association.
The wooden schooner got caught in a storm in the dead of night and went down in September 1886. In the weeks after, a lighthouse keeper reported the ship’s masts breaking the lake surface, and fishermen caught pieces of the vessel in their nets. Still, wreck hunters were unable to track down the ship’s location — until now.
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Earlier this year, a team of researchers with the Wisconsin Underwater Archeology Association and Wisconsin Historical Society located the shipwreck off the coastal town of Baileys Harbor, Wisconsin, the association announced on Sunday.
Named the F.J. King, the ship had become a legend within the Wisconsin wreck hunter community for its elusive nature, said maritime historian Brendon Baillod, principal investigator and project lead of the discovery.
“We really wanted to solve this mystery, and we didn’t expect to,” Baillod told CNN. “(The ship) seemed to have just vanished into thin air. … I actually couldn’t believe we found it.”
The wreck is just one of many that have been found in the Great Lakes in recent years, and there are still hundreds left to be recovered in Lake Michigan alone, according to Baillod.
The ‘ghost ship’
Built in 1867, the F.J. King plied the waters of the Great Lakes for the purpose of trans-lake commerce. The ship transported grains during a time when Wisconsin served as the breadbasket of the United States. The 144-foot-long (44-meter) vessel also carried cargo including iron ore, lumber and more.
The ship had a lucrative 19-year career until that September night when a gale-force wind caused its seams to break apart, according to the announcement. The captain, William Griffin, ordered the crew to evacuate on the ship’s yawl boat, from where they watched the F.J. King sink, bow first.
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