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Tracks
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4, V-Track: 32 (8 V-Track per each Track), Up to 2 tracks can be recorded simultaneously, Up to 4 tracks can be played back simultaneously
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External Memory Capacity
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SD Card: 32 M-1G bytes
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Data Type
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HiFi (MT2), STANDARD (LV1), LONG (LV2),
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Audio Data Type (MP3 Mode)
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MP3 (192 kbps, 44.1 kHz), MP3 (128 kbps, 44.1 kHz), MP3 (64 kbps, 44.1 kHz), WAV (44.1 kHz, 16 bits) The MICRO BR can play the MP3 in bit rate range of 64--320 kbps.
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Signal Processing
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AD Conversion: 24 bits + AF method (GUITAR IN, onboard mic), 24 bits (LINE IN/MIC), DA Conversion: 24 bits
AF method (Adaptive Focus method) Adaptive Focus is a unique Roland/BOSS technology that allows the signal noise (S/N) ratios of AD and DA converters to be vastly improved.
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Sample Rate
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44.1 kHz
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Frequency Response
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20 Hz to 20 kHz
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Recording Time (conversion in one track)
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HiFi (MT2) STD (LV1) LONG (LV2)
32 MB 15 min. 18 min. 23 min.
64 MB 31 min. 38 min. 47 min.
128 MB 64 min. 76 min. 96 min.
256 MB 128 min. 154 min. 192 min.
512 MB 257 min. 309 min. 386 min.
1 GB 502 min. 604 min. 755 min.
The above-listed recording times are approximate. Times may be slightly shorter depending on the number of songs that were created.
The above number is the total for all the tracks that are used. If each of the four tracks contain an equal amount of data, the length of the resulting song will be approximately 1/4 of the above.
The memory capacity (recording time) decreases when the MP3 file etc. exist in the memory.
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Recording Time (conversion in MP3 mode, Stereo)
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MP3 WAV
64 kbps 128 kbps 192 kbps
32 MB 65 min 32 min 21 min 2 min
64 MB 131 min 65 min 43 min 5 min
128 MB 265 min 132 min 88 min 12 min
256 MB 531 min 265 min 177 min 24 min
512 MB 1065 min 532 min 355 min 48 min
1 GB 2081 min 1040 min 693 min 94 min
The above-listed recording times are approximate. Times may be slightly shorter depending on the number of MP3/WAV files that were created.
The memory capacity (recording time) decreases when the track data (Song) exist in the memory.
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Nominal Input Level (Variable)
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GUITAR / BASS jack: -20 dBu, LINE IN / MIC jack: LINE: -10 dBu (LINE), MIC: -40 dBu (EXT MIC)
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Input Impedance
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GUITAR / BASS jack: 1 M ohms, LINE IN / MIC jack: LINE: 16 k ohms, EXT MIC, Plug-in Power = OFF: 18 k ohms, EXT MIC, Plug-in Power = ON: 2.2 k ohms
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Nominal Output Level
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PHONES / LINE OUT jack: -10 dBu
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Nominal Output Impedance
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PHONES / LINE OUT jack: 33 ohms
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Recommended Load Impedance
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PHONES / LINE OUT jack: 16-100 ohms (PHONES), LINE: 1 k ohms or greater (LINE OUT)
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Interface
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USB Connector (mini B type)
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Display
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16 Characters x 2 Lines, 22 icons (White Backlit LCD)
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Connectors
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GUITAR / BASS jack (1/4 inch phone type), LINE IN / MIC jack (Stereo miniature phone type, supports Plug-in Power), PHONES / LINE OUT jack (Stereo miniature phone type), USB connector (mini B type)
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Power Supply
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DC 3 V: Dry battery LR6 (AA) type (alkaline) x 2, DC 9 V: Supply AC Adaptor (PSA series: sold separately)
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Current Draw
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140 mA (when you use the PSA series), 320 mA (when you use the dry batteries)
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Expected battery life uner continuous use
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Alkaline dry cell batteries Approximately 6 hours (with power save function) * The time may vary according to usage conditions, batteries used, and type of SD memory card used.
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Accessories
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Soft Case, Size AA alkaline dry cell battery x 2, Demo card (128 MB SD Memory Card:Already inserted when the MICRO BR is shipped), Owner's Manual, Leaflets (About Memory Cards, Information/Effect Patch List)
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Option
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AC Adaptor: PSA-Series
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Confirmed operation memory cards
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1GB
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Panasonic
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RP-SDQ01GJ1A, RP-SDR01GJ1A
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Lexar
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SD1GB-231
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SanDisk
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SDSDH-1024-903
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HAGIWARA SYS-COM
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HPC-SD1GT
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512MB
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Panasonic
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RP-SD512BJ1A, RP-SDR512J1A
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Lexar
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SD512-231
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SanDisk
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SDSDH-512-903
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HAGIWARA SYS-COM
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HPC-SD512T
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Size and Weight
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Width
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136 mm
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5-3/8 inches
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Depth
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82 mm
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3-1/4 inches
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Height
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22 mm
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0-7/8 inches
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Weight
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0.1 kg
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0 lbs. 5 oz.
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