DR-70D
4-Track Audio Field Recorder & Mixer for Audio/Video
The DR-70D from TASCAM is the ultimate audio recording solution for filmmakers. Four balanced XLR mic inputs meet the requirements of production sound, from professional users to indie DSLR shooters. The compact format can be mounted either above or below a camera, and a pair of built-in microphones can capture sound on-set. The interface is designed for quick adjustment, with additional features to keep recording levels under control.
- Maximum number of tracks recorded simultaneously: (4)
- Recording formats: 16/24-bit, 44.1k/48k/96k Hz (WAV/BWF)
- XLR/TRS inputs support +4dBu line level and phantom power (24V/48V)
- CAMERA IN jack allows the DSLR camera audio to be monitored through the DR-70D
- Tripod mounting threads (bottom), camera screw attachment and a shoe mount that can be attached and removed with a coin (top)
- Operates on (4) AA batteries, with an optional AC adapter (TASCAM PS-P520U) or USB cable provided with the unit (USB bus power).
- BP-6AA external battery pack (sold separately) makes operation for even longer times possible
- Low-cut filter with five settings (40/80/120/180/220 Hz) to be used to reduce unwanted air-conditioning noise and other low-frequency sounds
- Recording media : SD card(64MB to 2GB), SDHC card(4GB to 32GB), SDXC card(48GB to 128GB)
- Number of channels : 4-channel (stereo × 2, mono × 4)
- Recording format : 44.1k/48k/96k Hz, 16/24-bit
- Power : 4 AA batteries(Alkaline or NI-MH), USB bus power, Dedicated AC adapter (TASCAM PS-P520U, sold separately), Dedicated external battery pack (TASCAM BP-6AA, sold separately)
- Dimensions : 169(W)×55.2(H)×106.5(D)mm (with the top adapter attached)
- Weight : 625g(including battery), 530g(not including batteries)
- DR-70D
- USB cable
- Camera attachment bracket screw hole covers × 6
- Owner's Manual (including warranty)
4 XLR/TRS combo jacks allow a variety of setups
4 XLR/TRS inputs are built-into the DR-70D. The four-channel design enables combinations of shotgun microphones, lavaliere mics, and the built-in stereo mic to be recorded individually. Channels 1 and 2 can be set to stereo input and channels 3 and 4 can be set to the built-in mics, making a variety of mic configurations possible.
MONO/DUAL MONO:Best for recording the audio of a single performer.
STEREO/DUAL STEREO:Best for recording with the built-in microphones or a stereo mic.
2MIX/DUAL 2MIX:Creates stereo files of two or more mixed inputs.
Dual Recording mode can be used to create a backup file that is simultaneously recorded at a different level to prevent clipping when levels exceed the maximum input. The second track is recorded up to 12dB lower as a safety track to prevent distortion – if your input signal overloads, you have a backup that isn't distorted.
Two built-in Omnidirectional Microphones
Two omnidirectional microphones allow easy recording of natural stereo sound without using external mics. Used in combination with one or two other mics, the DR-70D becomes a compact setup for recording interviews and ambient sound at the same time.
Built-in 4-in/2-out Mixer Enables 4-channel and Stereo Recording
Each fo the four inputs is sent to a stereo mixer. This allows each input to be recorded individually for post production while a stereo mix is sent to headphones and the camera guide track. In addition to being able to adjust pan parameter, each input includes a limiter, a low-cut filter, and a delay to adjust for distances between mics. In addition, a mid-side decoding function enables the use of a MS stereo mics.
HDDA (High Definition Discrete Architecture) mic preamps
Microphone preamps do a lot of work to convert your mic-level signals to recordable levels, so they have a big impact on the quality of the audio that is recorded. The DR-70D uses TASCAM HDDA microphone preamps - created through careful selection of parts. An NE5532 op-amp was selected for its outstanding effect on audio quality. Through a mix of discrete architecture and hand-picked components, TASCAM has achieved an equivalent input noise level of −120 dBu. The A/D converter is made by CIRRUS LOGIC, similar to those used in the TASCAM DR series of linear PCM recorders. This high-quality converter – miles better than those included in DSLR cameras – ensures quiet, clean audio recording. Audio resolutions up to 96kHz/24-bit are supported.
Additional Features
Compact, Rugged Design Can Be Attached Above or Below the Camera
The DR-70Ds design is as compact as possible to stay out of the way while filming. The bottom of the unit has tripod screw threads for mounting under your camera or on a follow-focus cage. A removable camera attachment screw and hot shoe for the top of the unit are also included. The DR-70D can be attached in the way most convenient for the user by placing it between a tripod and the camera, or on top of the camera with a hot shoe mount.
* Shoe mount adapter included in AK-DR70C (sold separately) is needed when mounting DR-70D on top of the camera.
Camera Out Jack for Audio Recording on Both The DR-70D and Camera
A stereo mix of your audio is sent to the camera output for later synchronization in your editing software. Simply drop your audio and video into the multi-camera feature of most editing software and audio will be automatically synced. Alternatively, software such as Red Giant Pluraleyes can be used to automatically sync audio and video.
Slate tone generator makes alignment with video files easy
The built-in generator can produce slate tones that can be used as references when aligning audio and video. Line up the waveforms when you need perfect sync between audio and video. In addition to being able to produce slate tones when recording starts or when it starts and stops, the SLATE button can be used to add slate tones at any desired point.
Automatic insertion:
OFF/HEAD (start of recording only)/HEAD+TAIL (start and end of recording)
Manual insertion:
Press and hold the SLATE button to produce a slate tone.
3.5mm Stereo Mini Jack Input Accepts Video Camera Mics
The 3.5mm stereo 1-2 input mini jack allows the connection of consumer video camera mics. For example, connect a video camera mic for ambiance to jack 1-2, and shotgun mics to the XLR 3-4 jacks. This unit can supply plug-in power to the microphone and has a maximum input level of +10 dBV.
Camera In Jack for Monitoring and Playback
The Camera In jack allows playback from your camera to evaluate a take. Either the camer signal or DR-70D can be monitored through the headphones.
Features at a Glance
- Maximum number of tracks recorded simultaneously: (4)
- Recording formats: 16/24-bit, 44.1k/48k/96k Hz (WAV/BWF)
- XLR/TRS inputs support +4dBu line level and phantom power (24V/48V)
- CAMERA IN jack allows the DSLR camera audio to be monitored through the DR-70D
- Tripod mounting threads (bottom), camera screw attachment and a shoe mount that can be attached and removed with a coin (top)
- Operates on (4) AA batteries, with an optional AC adapter (TASCAM PS-P520U) or USB cable provided with the unit (USB bus power).
- BP-6AA external battery pack (sold separately) makes operation for even longer times possible
- Low-cut filter with five settings (40/80/120/180/220 Hz) to be used to reduce unwanted air-conditioning noise and other low-frequency sounds
- Limiter function can automatically adjust excessive input levels (stereo-linking possible for 1/L and 2/R)
- Mid-side decoding function enables the use of mid-side stereo mics
- Slate tone functions (automatic/manual)
- Dual recording function allows two files to be recorded simultaneously at different levels (second file at between −1 dB and −12 dB)
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Spec Description
Recording media |
SDHC card (4GB to 32GB), SDXC card(48GB to 128GB) High speed cards required. See the Tested Media List on the DR-70D DOWNLOADS page. |
Recording format | |
WAV | 44.1k/48k/96k Hz, 16/24-bit |
BWF | 44.1k/48k/96k Hz, 16/24-bit |
Number of channels | 4-channel (stereo × 2, mono × 4) |
Analog audio input | |
1/L, 2/R, 3/L, 4/R connectors | |
Connector | XLR-3-31 (1:GND, 2:HOT, 3:COLD) / 1/4" (6.3mm)TRS standard jack |
Set to "MIC / MIC+PHANTOM" | |
Input impedance | 2k ohms |
Phantom power | 48V ±4V (10mA/CH), 24V ±4V (10mA/CH) |
Maximum input level | 0dBu |
Minimum input level | –72dBu |
MIC input gain | TRIM MAX |
LOW | +21dB |
MID | +36dB |
HIGH | +51dB |
HI + PLUS | +63dB |
Set to "LINE" | |
Input impedance | 10k ohms or more |
Standard input level | +4dBu |
Maximum input level | +20dBu |
1/2 connector | |
Connector | 1/8" (3.5mm) stereo mini jack (this connector can be supplied plug-in power) |
Input impedance | 10k ohms |
Maximum input level | +10dBV |
Minimum input level | –50dBV |
MIC input gain | TRIM MAX |
LOW | +3dB |
MID | +11dB |
HIGH | +26dB |
HI + PLUS | +38dB |
CAMERA IN connector | |
Connector | 1/8" (3.5mm) stereo mini jack |
Input impedance | 10k ohms |
Standard input level | –10dBV |
Maximum input level | +6dBV |
Analog audio output | |
LINE OUT connector | |
Connector | (1/8" (3.5mm) stereo mini jack |
Output impedance | 200 ohms |
Standard output level | –10dBV |
Maximum output level | +6dBV |
CAMERA OUT connector | |
Connector | 1/8" (3.5mm) stereo mini jack |
Output impedance | 200 ohms |
Standard output level | –40dBV |
Maximum output level | –24dBV |
PHONES connector | |
Connector | 1/8" (3.5mm) stereo mini jack |
Maximum output level | 20mW + 20mW |
USB | |
Connector | Micro-B type |
Format | USB2.0 HIGH SPEED mass storage class |
REMOTE | |
Connector | 2.5mm TRS jack |
Power | 4 AA batteries(Alkaline or NI-MH), USB bus power, Dedicated AC adapter (TASCAM PS-P520U, sold separately), Dedicated external battery pack (TASCAM BP-6AA, sold separately) |
Power consumption | 5.0W |
Continuous operation time | 2ch WAV, 44.1kHz, 16-bit Rec, Phantom power not used. *All times are approximate. |
DR-70D alone | |
Alkaline batteries (EVOLTA) | 6 hours (XLR/TRS input is selected. Phantom OFF) 3-½ hours (XLR/TRS input is selected. Phantom ON) 11 hours (Built-in Mic (MIC 3/4) is selected.) |
NI-MH batteries (eneloop) | 6-¼ hours (XLR/TRS input is selected. Phantom OFF) 3-¼ hours (XLR/TRS input is selected. Phantom ON) 10-½ hours (Built-in Mic (MIC 3/4) is selected.) |
NI-MH batteries (eneloop pro) |
7-¾ hours (XLR/TRS input is selected. Phantom OFF) 4-¾ hours (XLR/TRS input is selected. Phantom ON) 14-¼ hours (Built-in Mic (MIC 3/4) is selected.) |
DR-70D with BP-6AA | *BP-6AA is using the alkaline batteries (EVOLTA). |
Alkaline batteries (EVOLTA) | 13 hours (XLR/TRS input is selected. Phantom OFF) 7-½ hours (XLR/TRS input is selected. Phantom ON) 25-½ hours (Built-in Mic (MIC 3/4) is selected.) |
NI-MH batteries (eneloop) | 12-¾ hours (XLR/TRS input is selected. Phantom OFF) 7-¾ hours (XLR/TRS input is selected. Phantom ON) 24-¾ hours (Built-in Mic (MIC 3/4) is selected.) |
NI-MH batteries (eneloop pro) |
14-½ hours (XLR/TRS input is selected. Phantom OFF) 8-¾ hours (XLR/TRS input is selected. Phantom ON) 27 hours (Built-in Mic (MIC 3/4) is selected.) |
Dimensions (W×D×D) | 6.65" × 2.2" × 4.2" / 169 × 55.2 × 106.5 mm (with the top adapter attached) |
Weight | 1.37 lbs. / 625 g (including batteries) 1.16 lbs. / 530 g (excluding batteries;) |
Operating temperature | 32˚F to 104˚F / 0˚C to 40˚C |
Standard accessories | USB cable, Camera attachment bracket screw hole covers × 6 Owner's Manual (including warranty) |
Audio performance | |
Frequency response | 20Hz to 20kHz +0.5/–2dB (LINE IN or MIC IN to LINE OUT, Fs 44.1k/48k Hz, JEITA) 20Hz to 40kHz +0.5/–3dB (LINE IN or MIC IN to LINE OUT, Fs 96kHz, JEITA) |
Distortion | 0.02% or less (LINE IN or MIC IN to LINE OUT Fs 44.1k/48k/96k Hz, JEITA) |
S/N ratio | 92dB or more (LINE IN or MIC IN to LINE OUT Fs 44.1k/48k/96k Hz, JEITA) |
Equivalent input noise | –120dBu or less |
Computer compatibility | |
Windows | |
OS | Windows XP, Windows Vista, Windows 7, Windows 8, Windows 8.1 |
CPU | Pentium 300MHz or more |
RAM | 128MB or more |
USB | recommended: USB2.0 |
Macintosh | |
OS | Mac OS X Jaguar (V10.2), Mac OS X Panther (V10.3), Mac OS X Tiger (V10.4), Mac OS X Leopard (V10.5), Mac OS X Snow Leopard(V10.6.8), OS X Lion(V10.7), OS X Mountain Lion(V10.8), OS X Mavericks(10.9) |
CPU | Power PC, iMac, G3, G4 266MHz or more |
RAM | 64MB or more |
USB | recommended: USB2.0 |
Recording Duration
The table below shows the maximum recording time on SD/SDHC cards of different capacities for different file formats for recording.
File format (recording setting) | SD/SDHC card capacity (hours:mintes) | ||||
1GB | 2GB | 4GB | 8GB | ||
WAV/BWF 16-bit (STEREO) | 44.1kHz | 1:41 | 3:22 | 6:44 | 13:28 |
48kHz | 1:33 | 3:06 | 6:12 | 12:24 | |
96kHz | 0:46 | 1:33 | 3:06 | 6:12 | |
WAV/BWF 24-bit (STEREO) | 44.1kHz | 1:07 | 2:15 | 4:30 | 9:00 |
48kHz | 1:02 | 2:04 | 4:08 | 8:16 | |
96kHz | 0:31 | 1:02 | 2:04 | 4:08 |
- The recording times shown above are estimates. They might differ depending on the SD/SDHC card in use.
- The recording times shown above are not continuous recording times, but rather they are the total possible recording times for the SD/SDHC card.
- If recorded in mono in WAV files, the maximum recording time will be double the figures above.
- For dual and 4-channel recording in WAV/BWF format, the recording times are about half those shown above.
Information
Latest version info | |
Firmware | V1.16 |
- Chinese fonts that comply with the GB18030-2022 standard are now supported.
Notices About Products
Documents
Manuals
DR-70D Owner's Manual | 04-12-2019 |
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Reference Manual | 04-12-2019 |
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Firmware / Software
Instructions
Release Note (English) | 08-02-2023 |
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Firmware update procedures | 10-12-2017 |
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Firmware
Firmware V1.16 | 08-02-2023 |
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Firmware V1.15 | 10-12-2017 |
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Software
Poly/Mono Converter for Windows | 03-13-2013 |
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Compatibility
SD Supported Media | 03-27-2024 |
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