Tascam DS-D98 Owner's Manual

Also see for DS-D98: Specifications

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Tascam DS-D98 Owner's Manual Manual pdf 11 page image

DS-D98 recorderTASCAM DS-D98 - 11In addition to these controls and indicators, the fol-lowing settings are transmitted “down the chain”from the master to the slave branch units (for thesesettings, the appropriately-labeled master branch unitkey controls the status of the slaves):• ALL SAFE condition (6.3, “Recording the firsttracks”)• ALL INPUT condition (5.1.1, “ALL INPUT andINPUT MONITOR”)• AUTO MON condition (5.1.2, “AUTO MON”)The end result of this arrangement is that the DS-D98, when acting as a master in this way, can appearto be a multi-track recorder. With three branch slavesconnected, a single unit can control a full eight tracksof DSD recording.NOTEStrictly speaking, the branch slave units do not need tobe in 2-track mode, but only the first two tracks of aslave unit are accessible from a master when they areconnected in this way.Branches and chainsSince sixteen machine IDs are available, the maxi-mum number of units which can be branched in theway described above is sixteen (one master branchunit and up to fifteen branch slaves).However, it is also possible to use the standard DTRSchaining method, so that one remote controller suchas the RC-898 can control a chain of DTRS nodes. Ifthese node devices are DS-D98 units, each one ofthese chain node slaves can act as a branch master ofup to fifteen branch slaves (a total of up to 256machines).As far as the ID of the master node of each branch isconcerned, this must follow the conventions of thenode chain (in other words, the IDs of the branchmaster units — that is, the nodes in the chain — mustgo in sequence from 1, starting with the machineclosest to the remote control unit).The first slave branch units in the branches must benumbered with ID 2, and the others must follow insequence.Since there are two ways of connecting: the nodechain and the branch, it is therefore possible to havethe same machine ID occurring twice in a branch(once for the branch master, and once for one branchslave). It is not possible to have the same ID occur-ring twice in a node chain, however.SpecificationsAudio characteristicsThese figures are measured with the I/O Clock Rangeset to Narrow (see 6.1.3, “Clock range with slotboard” in the main manual:Analog performanceFrequency response: 10Hz to 20kHz ±0.5dB10Hz to 50kHz –3dB (±1dB)Distortion: 0.005% (1kHz, AES-17 filter)S/N ratio: > 102dB (1kHz, AES-17 filter and A-weighting)Dynamic range: > 102dB (1kHz, AES-17 filter and A-weighting)Channel separation: > 95dB (1kHz)Input connectors XLR-3-31 type (x 2)Nominal input level +4dBuReference level –16dBFS a , –18dBFS, –20dBFSMaximum input level: +20dBua , +22dBu, +24dBu (jumper-selectable)Input impedance: > 15kΩOutput connectors XLR-3-32 type (x 2)Nominal output level +4dBuReference level –16dBFS a , –18dBFS, –20dBFS

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