Máy Ghi Âm Zoom H4-Essential , 32-Bit Float Recording
Điều hướng Menu với các mô tả bằng âm thanh thông qua loa hoặc tai nghe tích hợp.
2 Đầu vào kết hợp XLR/TRS có tích thợp tiền khuyết đại siêu sạch ( super clear ) của ZOOM . Có hỗ trợ nguồn ảo. Đầu vào mức đường truyền chuyên nghiệp +4dBU. Có micro X/Y tích hợp có thể thu âm với cường độ siêu cao lên tới 130dB SPL ( tương đương với một buổi hòa nhạc Rock ).
H4-Essential hoàn hảo để ghi âm các chương trình trực tiếp, buổi diễn tập và thu âm hậu kỳ.
THÔNG SỐ CHI TIẾT
Thông Số Kỹ Thuật Máy Ghi Âm Zoom H4-Essential , 32-Bit Float Recording
INPUT AND OUTPUT CHANNELS
Inputs
Built-in mic (stereo)
XLR/TRS
MIC/LINE IN
Outputs
Headphones
Built-in speaker (mono)
INPUTS
Built-in mic
90º XY stereo format
Directionality
Unidirectional
Sensitivity
–43 dB/1 Pa at 1 kHz
Maximum sound pressure input
130 dB SPL
INPUT1-2
Connector
XLR/TRS combo jacks ×２
(XLR：2 HOT TRS：TIP HOT）
Input gain
Adjustment unnecessary
Input impedance
MIC: 3.8 kΩ or more
LINE: 39 kΩ or more
Maximum input level
MIC: +4 dBu
LINE: +24 dBu
Phantom power
+48 V
Channel total 10 mA or less
Equivalent input noise
MIC: -120 dBu or less（IHF-A) @150 Ω input
LINE: -95 dBu or less（IHF-A) @600 Ω input
MIC/LINE IN
Connector
Stereo mini jack
（supports plug-in power）
Input gain
Adjustment unnecessary
Input impedance
2 kΩ or more
OUTPUTS
Headphones
Connector
Stereo mini jack
Maximum output level
20 ｍW + 20 ｍW（into 32 Ω load）
Output impedance
10 Ω or less
Built-in speaker
Type
20 x 30mm elliptical dynamic speaker
Effective maximum output
250mW
RECORDER
Maximum simultaneous recording tracks
4
Maximum simultaneous playback tracks
4
Recording formats
WAV
44.1/48/96 kHz,
32-bit float mono/stereo
BWF and iXML formats supported
Recording media
4-32GB cards compatible with the microSDHC specification
64GB–1TB cards compatible with the microSDXC specification
DISPLAY
2.0-inch full-color LCD
360 x 240
USB
Connector
USB Type-C
• Use a USB cable that supports data transfer.
Audio Interface
USB 2.0 High Speed
Input and output channels
4 in / 2 out (Multi)
2 in / 2 out (Stereo)
Sampling frequency
44.1/48/96 kHz (AIF only)
44.1/48 kHz (AIF + onboard recording)
Bit depth
24-bit, 32-bit float
File transfer
USB 2.0 High Speed
REMOTE
Dedicated wireless adapter
ZOOM BTA-1
POWER
2 AA batteries
Alkaline, lithium or rechargeable NiMH batteries
AC Adapter
ZOOM AD-17：DC 5V / 1 A
• USB bus power is supported.
ESTIMATED CONTINUOUS OPERATION TIMES USING BATTERIES : 2-track recording (built-in XY mic)
Alkaline batteries
About 9 hours
NiMH batteries (1900 mAh)
About 9 hours
Lithium batteries
About 19 hours
48 kHz/32-bit float, phantom power off, no headphones, no remote, display power saving on, display brightness at Medium
• These values are approximate.
• Continuous battery operation times were determined using in-house testing methods.They will vary greatly according to use conditions.
ESTIMATED CONTINUOUS OPERATION TIMES USING BATTERIES : 4-track recording (built-in XY mic with INPUT 1-2)
Alkaline batteries
About 2 hours 30 minutes
NiMH batteries (1900 mAh)
About 4 hours
Lithium batteries
About 8 hours
48 kHz/32-bit float, phantom power off, headphones used (33Ω load), no remote, display power saving on, display brightness at Medium
• These values are approximate.
• Continuous battery operation times were determined using in-house testing methods.They will vary greatly according to use conditions.
ESTIMATED CONTINUOUS OPERATION TIMES USING BATTERIES : 4-track recording (plug-in power mic with INPUT 1-2)
Alkaline batteries
About 40 minutes
NiMH batteries (1900 mAh)
About 1 hour 30 minutes
Lithium batteries
About 3 hours 30 minutes
48 kHz/32-bit float, phantom power off, headphones used (33Ω load), no remote, display power saving on, display brightness at Medium
• These values are approximate.
• Continuous battery operation times were determined using in-house testing methods.They will vary greatly according to use conditions.
Power consumption
3 W maximum
Dimensions
66.9 mm (W) × 156.1 mm (D) × 38.0 mm (H)
Weight (including batteries)
243 g
Note: 0 dBu = 0.775 Vrms
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