Slot A, B & C; Balanced/Unbalanced Operation - TC Electronic System 6000 Basic Operation

I/O - Slot A, B & C
This is where you setup card specific parameters.
Parameters are only available when a I/O Card is detected.
For the ADA 24/96 card the following parameters
can be set.
Level In
Changes the analog nominal Input level between +6dBu
and +30dBu in 6dB increments.
The analog Input level enables you to match the M6000
Input to the Output of e.g. your mixer. If the nominal
operating level on your mixer is e.g. +4dBu and you select
+12dBu on the Level In parameter you will have a
headroom of 8dB. If you set Inlevel to +16dBu the
headroom will be +12dB, and so forth.
Level Out
Changes the analog Output level between +6dBu and
+24dBu in 6dB increments.
Output Connection
Select the type of connection you are using on the Output
of the card. Select between:
Balanced or unbalanced (with signal on pin 2 or pin 3).
If you are connecting unbalanced cables to the
Outputs when Outmode is set to "Balanced",
the Outputs will be muted/un-muted
sequentially via a goldplated short circuit
protection relay. This is intentional and will not
cause damage to any device.

Balanced/Unbalanced Operation

Unbalanced operation
Some mastering studios prefer unbalanced wiring.
Please read the following for optimum performance.
Preferably, balanced cables should be used on Inputs and
Outputs even for unbalanced setups.
Input
Pin 2 hot, pin 3 connected to reference (shield) at the
Output of upstream device.
20
FRAME - SYSTEM - I/O
Output, pin 2 selected
Pin 2 hot, pin 3 connected to reference (shield) at the Input
of downstream device. In this mode pin 3 acts as a
reference Input for the ADA2496 Output stage and should
not be left unterminated.
This mode will not work properly with balanced
Inputs unless wiring is compensated as described. If
wired properly, this is the optimum Output mode for
feeding unbalanced devices.
Output, pin 3 selected
Pin 3 hot, pin 2 not needed. In this mode pin 2 and pin 1
carry the same Output reference.
This works with balanced Inputs using 1:1 wiring,
but balanced mode should be selected when driving
a balanced Input.
Filters
When operating the mainframe in normal Sample Rates
(32 - 48kHz) you can select different down- and
up-sampling filter types. The AD and DA conversions are
always performed in high-sample domain (88.2 to 96kHz).
Afterwards the digital down- and up-sampling is performed
in the digital domain using a local DSP on the ADA24/96
card. Select filter type according to the source material you
are working on.
Filters
Chose between - Linear, Natural, Vintage, Bright and
Standard (Std).
"Linear" filter
These filters are linear-phase and non-aliasing (the stop-
band starts below the Nyquist frequency). The pass-band
response is extremely smooth and non-equiripple,
extending beyond 20kHz. With the "Linear" filters you'll
have a hard time discriminating between the sound of the
conversion chain and direct analog, even at 44.1kHz!
"Natural" filter
Based on the "Linear" filter class, but with a carefully
adjusted non-linear phase response, these filters obtain an
almost "better-than-live" reproduction of space while
retaining crystal-clear imaging and absolute tonal neutrality.
The "Natural" filters too are non-aliasing.
"Vintage" filter
Based on the "Natural" filters, here we've added a bit of
warmth and roundness to the treble by introducing a
smoother "tube like" roll-off. This filter would be an
exceptionally good choice when mastering material that
seems too hard in the high-end frequencies.
These filters too are non-aliasing and non-linear phase.