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Product Features: - High-end 24-bit/96 kHz A/D and D/A converter for ultimate signal integrity
- Converts any sample rate between 31 and 100 kHz into 32, 44.1, 48, 88.2 or 96 kHz sample rates
- Flexible format conversion between AES/EBU and S/PDIF (coaxial or optical)
- Universal sample rate synchronization via wordclock or digital input
- Allows parallel A/D and D/A conversion at identical sample rate
- Precise metering for input/output signal and headphone monitoring
- Allows direct manipulation of emphasis bits and other significant, digitally transmitted information in order to record virtually any audio signal
- High-precision quartz clock generator removes jitter and corrects off-tune, incorrect sample rates
- Extremely fast tracking supports varispeed applications
- Self-adjusting anti-aliasing filter with exceptionally steep edge
- All 3 outputs (XLR, RCA, Optical) simultaneously operational (splitter)
- Inputs separately selectable (patchbay functionality)
- High-quality components and exceptionally rugged construction ensure long life
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The Tascam LA-40 MKIII has been primarily designed to provide matching capabilities between professional equipment and semi-professional or consumer equipment. It consists of four RCA inputs and outputs (–10 dBV, unbalanced) as well as four XLR inputs and outputs (+4 dBu/–20 dBu, balanced) which enable the user to connect for instance four tracks of a multitrack recorder (ins and outs) to a balanced mixer ensuring optimum level and impedance matching. Also, a switch matrix allows channels to be linked, utilizing the converter as a distribution amplifier for splitting signals to multiple recorders, or for multizone sound routing applications.
Switches on the bottom panel allow to select a nominal level of +4 dBu or –20 dBu for each channel and ±12 dB trim pots on the front panel make perfect level matching easy. LEDs on the front panel indicate signal presence for each channel. The LA-40 MKIII has also ground lift switches for each channel and a combined master switch to avoid ground loops.
Main Features
* 4 channels with unbalanced RCA inputs and balanced XLR outputs
* 4 channels with balanced XLR inputs and unbalanced RCA outputs
* XLR nominal level selectable between +4 dBu and –20 dBu
* Trim pots for each channel on front panel (±12 dB)
* Signal LED for each channel
* Ground lift switches for each channel and master switch
* Distribution amplifier functionality: One mono input signal can be routed to all four output channels, or one stereo input signal can be routed to two channels each (RCA to XLR and XLR to RCA)
* Internal power supply, no AC adapter needed
* 1 U rack-mountable chassis
Specifications
Inputs and outputs (unbalanced to balanced)
Inputs 4 RCA jacks (unbalanced)
Input impedance 23 kOhm (when all INPUT LINK switches are OFF)
5.7 kOhm (when all INPUT LINK switches are ON)
Nominal input level –10 dBV, ±1 dB
Maximum input level +4.8 dBV
Indicator detection level –36 dBV or more (OUTPUT LEVEL switch set to +4 dB or –20 dB)
Outputs 4 XLR-type connectors (balanced, Pin 1 = ground, Pin 2 = hot, Pin 3 = cold)
Output impedance 94 Ohm
Nominal load impedance 10 kOhm
Minimum load impedance 600 Ohm
Nominal output level +4 dBu, ±1 dB (OUTPUT LEVEL switch set to +4 dB)
–20 dBu, ±1 dB (OUTPUT LEVEL switch set to –20 dB)
Maximum output level +23 dBu
Inputs and Outputs (balanced to unbalanced)
Inputs 4 XLR-type connectors (balanced, Pin 1 = ground, Pin 2 = hot, Pin 3 = cold)
Input impedance 54 kOhm (when all INPUT LINK switches are OFF)
13.5 kOhm (when all INPUT LINK switches are ON)
Nominal input level +4 dBu, ±1 dB (INPUT LEVEL switch set to +4 dB)
–20 dBu, ±1 dB (INPUT LEVEL switch set to –20 dB)
Maximum input level +30 dBu (INPUT LEVEL switch set to +4 dB)
+8 dBu (INPUT LEVEL switch set to –20 dB)
Indicator detection level –22 dBV or more (INPUT LEVEL switch set to +4 dB)
–46 dBV or more (INPUT LEVEL switch set to –20 dB)
Outputs 4 RCA jacks (unbalanced)
Output impedance 200 Ohm
Nominal load impedance 10 kOhm
Minimum load impedance 1 kOhm
Nominal output level –10 dBV, ±1 dB
Maximum output level +18 dBV
Audio performance
TRIM range ±12 dB
S/N ratio (at nominal levels) 90 dB(A) (20 kHz LPF)
87 dB(A) (20 Hz HPF and 20 kHz LPF)
Total harmonic distortion
(1 kHz, at nominal levels) 0.005 % or less
Frequency response (at nominal levels) 20 Hz – 100 kHz, ±3 dB
Crosstalk
(1 kHz, nominal levels, 600 Ohm load) –90 dB
Other specifications
Power requirements 100–240 V AC, 50/60 Hz
Power consumption 6 W
Dimensions (W x H x D) 483 mm x 44 mm x 280 mm
Weight 3 kg
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Input MADI: 1 x BNC, 1 x optical
Output MADI: 1 x BNC, 1 x optical
Input ADAT optical: 8 x TOSLINK, 24-Bit, Bitclock PLL
Output ADAT optical: 8 x TOSLINK, 24-Bit
Input word clock: BNC, Signal Adaptation Circuit (functional from 1.2 Vpp input signal), switchable termination
Output word clock: BNC, low-impedance driver stage, 4 Vpp into 75 Ohms, short-circuit-proof
MIDI input and output: via two 5-pin DIN jacks
Sync sources: MADI, ADAT optical, word clock, internal
Varipitch: by input signal or word clock
Sample rates: 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, variable (Sync/word clock)
Sample rate range: MADI: 32 kHz - 96 kHz, word clock: 27 kHz-105 kHz, ADAT: 33 kHz - 57 kHz
Jitter: Internal clock
Jitter suppression on external clock: circa 30 dB (2.4 kHz)
Jitter sensitivity: all PLLs operate even at 100 ns Jitter without problems
Power supply: internal switching mode ps, 100 V-240 V AC, 50-60 Hz, 10 Watts
Dimensions: 483 x 44 x 200 mm
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The Apogee X-Digi-Mix expansion card allows for direct connectivity between Pro Tools Mix systems and the Rosetta 200 or Rosetta 800. The X-Digi-Mix card provides superior quality conversion to Pro-Tools Mix users without the need for an additional interface, and effectively extending the life of their Mix systems for years to come.
Features: * Standard Digidesign peripheral connector for interfacing directly to Mix Core or Farm cards. * Superclock (FSx256) output for convenient integration into existing Pro Tools configurations. * With necessary Pro Tools hardware expansion, multiple Rosetta-800s may be connected into a system. * Rosetta 800 may be used alongside an Apogee AD-8000 or Trak 2 outfitted with an AMBUS-Digi8+ card as well as any other Pro Tools Mix-compatible hardware. * Multiple slaved Rosetta 800s may lock to Word Clock or directly to the Digi-mix card for low jitter synchronization of the Pro-Tools system.
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DB25 to 8 x XLR Female. This cable allows the Apogee AP-8AD Yamaha A/D card to accept eight channels of analog input. Also suitable for use with the AD-16 (quantity 2 required for 16 channels). The wiring is the same as the analog input connector on a Tascam machine such as the DA-88. Alternatives are available from Tascam, Hosa and others. |
Optional 8-channel D/A card with specifications matching those of the A/D section, turning the Trak2 into a complete digital audio conversion system with two A/D channels and up to 8 D/A. |
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