Rane DA 216a Handleiding

Rane Mengpaneel DA 216a

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Manual-1
DA 216a
DISTRIBUTION AMPLIFIER
OPERATORS MANUAL
QUICK START
This section is for those that just can’t wait to get started. This Distribution Amplifier has a powerful feature not
found on most DA’s Output assignment switches. If your application calls for a single channel set-up with one Input
driving all Outputs, set all of the switches to the appropriate Input (A or B). To mix both inputs, set them all to A+B. In
this mode, both Inputs drive all Outputs with the Inputs summed. The MASTER LEVEL controls set the input level.
channel.
For a stereo application, decide how the stereo Outputs are to be assigned and set the assignment switches accord-
ingly. Eight stereo outputs are possible.
Set the back panel switches for either LINE or MIC Inputs. When using microphones that require a “phantom”
voltage, turn on the PHANTOM POWER switch, illuminating its rear panel LED. Because the phantom voltage is
applied to both Inputs, don’t mix phantom powered and non-phantom powered mics in the same DA 216a. Never engage
the phantom voltage when using an unbalanced mic—doing so may damage the mic. If the mic is too “hot”, press the
INPUT GAIN switch in to reduce the gain by 20 dB. Incidentally, the INPUT PAD switch reduces the gain 40 dB when
in the LINE position (pressed in). When using the Inputs for line-level, pressing in both the INPUT PAD and the INPUT
GAIN switches provides a nominal gain of 0 dB. An additional 16 dB of gain is available when both the MASTER
LEVEL and OUTPUT LEVEL controls are turned all the way up (clockwise).
Never connect anything except an approved Rane power supply to the Input that looks like a telephone jack on the
rear of the DA 216a. This is an AC Input and requires specific voltage and current. This is not a good place to experiment
or improvise. Use only the supply sent with your DA 216a.
WEAR PARTS: This product contains no wear parts.
Manual-2
DA 216a FRONT PANEL
POWER Indicator: When this yellow LED is illuminated power is available to the DA 216a.
MASTER LEVELS: These screwdriver adjustable controls set the level of each Input to be routed to bus A, B, or A+B.
The Overload (OL) LEDs illuminate whenever either Input section (both pre-gain and post-gain) approach clipping. Each
MASTER LEVEL may be adjusted from off to +10 dB gain.
Output Assign switches: Each switch has three positions, which assign the Output to the A-Input, the B-Input, or A+B
(sum). This powerful feature allows the DA 216a distribution amplifier to be set up as 1 Input to 16 Outputs. Or 1 stereo
Input pair to 8 stereo Output pairs. Or 1 Input to 3 Outputs, with the other Input to 13 Outputs. And so on. For those of you
that like impressive numbers, that amounts to 43,046,721 possible combinations (3
16
)! Go ahead count them. By the way,
for those that really like this stuff, if we allow turning the gain all the way down on any Output as part of the combination,
the number jumps to 4,294,967,295 (4
16
). Fortunately, most users will only be concerned with one or two of these possibili-
ties.
OUTPUT LEVEL controls: Each Output channel has an independent LEVEL control. Each Output may be adjusted from
off to +6 dB gain.
Manual-3
DA 216a REAR PANEL
IMPORTANT NOTE
CHASSIS GROUNDING
The DA 216a is supplied with an external power supply (the RS 1). This power supply does not ground the unit to the
power line ground. On the rear chassis a #6-32 screw is provided to allow for attachment of the grounding wire. This
chassis ground point must be connected to earth ground either through another product, which utilizes a three-prong
grounded AC power cord, or by attaching the wire to a known earth ground (such as the screw on a grounded AC outlet).
INPUT terminals: Attach either Microphone or Line-level sources here. Connect balanced sources to the respective “+”
and “–”terminals, and tie the shield to chassis ground. Connect unbalanced sources with two conductor shielded cable
connected to “+” and “–”, with the shield connected to one of the chassis ground screws (). See DA 216a Connection on
page Manual-4.
Output terminals 1-16: Balanced Outputs are provided for each of 16 channels. Connect two conductor shielded cable to
“+” and “–” terminals. Connect the shield to one of the chassis ground screws. For unbalanced use, do not connect “–” to
chassis ground…doing so results in improper operation. See the Outputs section on page Manual-4.
INPUT PAD switches: In the MIC position (out), the gain is appropriate for a microphone Input (40 dB or 60 dB). In the
LINE position (in), the gain is line-level (0 dB or 20 dB). When this switch is in the LINE position, PHANTOM POWER for
the channel is disabled.
INPUT GAIN switches: Changes the gain by 20 dB. That is, with mic Input, the INPUT GAIN switch sets the gain to 60
dB (out) or 40 dB (in). With a line-level Input, it sets the gain to 20 dB (out) or 0 dB (in).
PHANTOM POWER switch: When activated (in), 15 VDC Phantom Power appears at each mic-level Input and the
PHANTOM POWER LED illuminates. If an Input is selected for line-level, the Phantom Voltage is disabled for that
channel, even when the PHANTOM LED is lit.
POWER Input connector: Use only a model RS 1 or other remote AC power supply approved by Rane. Consult the
factory for replacement or substitution. Never use a power supply with your DA 216a other than the one supplied from the
factory or an exact replacement obtained or approved from Rane Corporation. This unit’s power supply input is designed
for an AC supply, delivering 18 volts from a center-tapped transformer capable of supplying at least the current demanded
by this product. Using any other type of supply may damage the product and void the warranty, which at two years (three if
you send in the warranty card) parts and labor is worth safeguarding, don’t you think?
Chassis ground screws: #6-32 screws are used for chassis grounding purposes. Attach the shields of the audio cables to
these points. See the CHASSIS GROUNDING note below.


Product specificaties

Merk: Rane
Categorie: Mengpaneel
Model: DA 216a

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