R4 MultiTrak

คุณสมบัติสินค้า:

All of our engineers are musicians and they designed the R4 to empower musicians to explore big ideas. With a unique dedicated ‘bounce track’ and 32-bit float recording, the R4 is perfect for capturing your most ambitious compositions.

หมวดหมู่ : Zoom มิกซ์เซอร์ / Mixer

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Specs
INPUTS / OUTPUTS
Inputs
Built-in mic (mono)
1
 
XLR/TS inputs (mono)
2
Output
Headphones
1
 
 
 
Inputs
XLR/TRS inputs
Connectors
2 XLR/TRS combo jacks (Balanced, XLR: 2 HOT)
 
Input gain
No adjustment required (dual A/D converter circuit used)
 
Input impedance
XLR: 2.3 kΩ
 
 
TS: 1 MΩ
 
Maximum input level
XLR: +4 dBu
 
 
TS: +10 dBu
 
Phantom power
+48 V (switchable separately for INPUTS A and B)
 
Equivalent input noise
XLR: −120 dBu or less (IHF-A)
 
 
TS: −107 dBu or less (IHF-A)
 
Frequency response
XLR: -0.5 /+0.0 dB : 20 Hz - 20 kHz
 
 
TS: -0.2 /+0.0 dB : 20 Hz - 20 kHz
Built-in mic input
Directionality
Omnidirectional
 
Input gain
No adjustment required (dual A/D converter circuit used)
 
Maximum sound pressure input
115 dB SPL
 
 
 
Output
Headphones
Connector
1 stereo 3.5mm mini jack
 
Output impedance
10 Ω
 
Maximum output level
20 mW + 20 mW (into 32Ω load)
 
 
 
Recorder
 
Maximum simultaneous recording tracks
2
 
Recording format
WAV: 48kHz, 32-bit float, mono
 
Recording media
Cards compatible with microSDHC specifications 4 GB – 32 GB
 
 
Cards compatible with microSDXC specifications 64 GB – 1 TB
 
 
 
Display
 
2" full-color LCD (240 × 320)
 
 
USB
Connector
 
USB Type-C
 
 
Note: Use a USB cable that supports data transfer. USB bus power is supported.
Audio interface function
Class
USB 2.0 High Speed
 
Sampling frequency
48 kHz
 
Bit rate
24-bit/32-bit float
 
Input / output channels
2 in/2 out
Mass storage function
 
USB2.0 High Speed
 
 
 
Power supply
 
Batteries: 4 AA (alkaline, lithium, or rechargeable NiMH)
 
AC adapter: ZOOM AD-17 (5V/1.0A)
 
* USB bus power is supported.
 
 
Estimated continuous operation time using batteries
 
Alkaline batteries: about 7 hours
 
NiMH batteries (1900 mAh): about 6 hours
 
Lithium batteries: about 14 hours
 
* Use conditions: Recording 1 track, playing 1 track, phantom power off, headphones into 32Ω load, power saving on
 
* The above values are approximate. * Continuous battery operation times were determined using in-house testing methods. They will vary greatly according to use conditions.
 
 
Power consumption
 
5 W
 
 
External dimensions
 
74 mm (W) × 138 mm (D) × 36 mm (H)
 
 
Weight (including batteries)
 
287 g
 
 
 
Note: 0 dBu = 0.775 Vrms

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