Rane | DA 216a | Data Sheet | Rane DA 216a Distribution Amplifier Data Sheet

Rane DA 216a Distribution Amplifier Data Sheet
DATA SHEET
DA 216a
DISTRIBUTION AMPLIFIER
MASTER LEVELS
A
OUTPUT LEVELS
B
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
DA 216a
A
POWER
OL
OL
B
A+B
A
B
A+B
A
B
A+B
A
B
A+B
A
B
A+B
A
B
A+B
A
B
A
A+B
B
A+B
A
B
A+B
A
B
A+B
A
B
A+B
A
B
A+B
A
B
A+B
A
B
A+B
A
B
A+B
A
B
DISTRIBUTION
AMPLIFIER
A+B
General Description
The Rane DA 216a Distribution Amplifier is a two-input,
sixteen-output splitter/distribution amplifier. The DA 216a is
capable of providing sixteen discrete balanced outputs from one
or two balanced mic-level or line-level inputs. The level of each
output is individually adjusted via one of the sixteen screwdriver
Output Level controls on the front panel. Each output may be
assigned to either or both inputs via front panel accessible slide
switches.
The Master A and B Level controls affect the overall level of
each input. In other words, they allow all assigned outputs to be
turned up or down at once. LEDs indicate an Overload (OL) at
either the inputs or at the internal gain stages.
Each input is set to either Mic or Line level via the rear
panel Input Pad pushbutton. The separate Input Gain pushbutton switches provide a microphone input with +60 or +40 dB
of gain, or a line input with +20 or 0 dB of gain. With Input
Gain, Master Levels and Output Levels, any reasonable input
signal may be adjusted to a nominal +4 dBu and still have 17
dB of headroom. The Phantom Power switch provides +15 VDC
for condenser microphones. Any input assigned to line-level has
this phantom voltage turned off automatically. A rear-panel LED
indicates when the Phantom Power is engaged.
Each output stage incorporates a high-current balanced output line driver for driving long lines with optimal performance.
Features
•
•
•
•
•
•
A, B, A&B Output Assign Switches
Sixteen Balanced (Terminal) Outputs, Individually Assignable
Two Balanced Inputs
Studio Grade Low Noise Input Amp
Input Overload Indicators
Mic/Line Input Switches
•
•
•
•
•
•
Gain Switches: 40/60 dB Mic, 0/20 dB Line
Phantom Power Switch
Master Input and Individual Output Level Controls
Stable High-Current Line Drivers
All Outputs Capable of Driving 600 Ω Loads Simultaneously
UL/CSA/CE and 100/120/230 VAC Remote Power Supplies
Data Sheet-
DA 216a
DISTRIBUTION AMPLIFIER
Features and Specifications
Parameter
Specification
Limit
Units
Conditions/Comments
Mic Input Impedance
1.82k
1%
Ω
Balanced 909 + 909
Line Input Impedance
17.9k
1%
Ω
Balanced 8.97k + 8.97k
Mic Gain Control
+40 & +60
±2
dB
2-position switch
Mic Pad
20
±2
dB
2-position switch
Line Gain Range
0 & +20
±2
dB
2-position switch
Overall Mic Gain
+56 & +76
±4
dB
All controls maximum
Overall Line Gain
+16 & +36
±4
dB
All controls maximum
Max Mic Input Level
-20
typ
dBu
Gain at 40 dB
Max Line Input Level
+21
typ
dBu
Gain at 0 dB
Overload LED
3 dB below clip
typ
Phantom Power
+15
±0.5
VDC
Phantom Power switch active
Output Impedance
200
1%
Ω
Balanced 100+100
Output Drive Level
+24
typ
dBu
600 Ω load
Output Cable Length
1500
max
feet
Belden 8451 or equivalent
Mic Equivalent Input Noise
-128
typ
dBu
Rs=150, gain=60 dB
Line Signal-To-Noise Ratio
100
min
dBV
gain=0 dB, re +4 dBu, 22 kHz BW
THD+Noise (Line Input)
0.005
typ
%
gain=0 dB, +4 dBu@1 kHz, 80 kHz BW
Frequency Response, Line
15-50 kHz
+0, –3
dB
0 dB Gain, 0 dBu Output
Frequency Response, Mic
15-50 kHz
+0, –3
dB
40 dB Gain, 0 dBu Output
Frequency Response, Mic
30-50 kHz
+0, –3
dB
60 dB Gain, 0 dBu Output
Crosstalk
80
typ
dB
+4 dBu Output, 1 kHz
Clip defined as 1% THD+N
Unit: Agency Listing
..........120 VAC model
Class 2 Equipment
National Electrical Code
UL
Exempt Class 2 equipment
CSA
Exempt Class 2 equipment
CE-EMC
EMC directive 89/336/EEC
CE-Safety Exempt
Article 1 of LV Directive 73/23/EEC
UL
File no. E88261
CSA
File no. LR58948
CE-EMC
EMC directive 89/336/EEC
CE-Safety
LV directive 73/23/EEC
..........100 VAC model
Built to JIS
Japan only
Power Supply Requirement
18 VAC w/center tap
..........Maximum Current
600
Unit: Construction
All Steel
..........Size
1.75"H x 19"W x 5.3"D (1U)
(4.4 cm x 48.3 cm x 13.3 cm)
..........Weight
4 lb
(2 kg)
Shipping: Size
4.25" x 20.3" x 13.75"
(11 cm x 52 cm x 35 cm)
..........Weight
8 lb
(5 kg)
..........230 VAC model
Power Supply: Agency Listing
..........120 VAC model
..........230 VAC model
Note: 0 dBu=0.775 Vrms
Data Sheet-
10%
Vrms
RS 1 (see data sheet)
mA
RMS current from remote supply
DA 216a
DISTRIBUTION AMPLIFIER
Block Diagram
+
INPUT
PROTECT
RFI/EMI
ESD
INPUT A
–
OL
20 dB
PAD
SELECT
A
A+B
B
INPUT
GAIN
OUTPUT
LEVEL
+
+6 dB
OUTPUT 1
_
INPUT PAD
MIC/LINE
+10 dB
MASTER
LEVEL A
+
PHANTOM
POWER
+6 dB
OUTPUT 2
_
15V
INPUT PAD
MIC/LINE
INPUT
GAIN
+
INPUT B
–
INPUT
PROTECT
RFI/EMI
ESD
OL
+
+6 dB
20 dB
PAD
MASTER
LEVEL B
INPUT PAD
IN
-20dB
(LINE)
OUT
0dB
(MIC)
OUTPUT 3
_
GAIN
IN
OUT
IN
OUT
20 dB
40 dB
40 dB
60 dB
+10 dB
+
NET GAIN
0 dB
+20 dB
+40 dB
+60 dB
+6 dB
OUTPUT 4
_
TO OUTPUTS 5 - 16
Applications
Use of the DA 216a is straightforward. Connect balanced inputs to the Input screw terminals. Follow the silk-screened labels
to the balanced Output screw terminals. The terminals accept
standard 8mm (#6) spade lugs. Bare wire is acceptable by twisting the strands, inserting under the integrated square washer and
tightening the screw.
The diagram shows the uncomplicated nature of the
DA 216a. Fully balanced low-noise mic preamplifiers receive
the signal to be split or distributed. The Input Pad pushbuttons change the input gain range. Additional Gain pushbuttons
increase either Mic or Line level inputs another +20 dB (see table
above).
Keep an eye on the Overload indicators when setting the
gain. Always use the most gain possible without causing the
Overload indicator to light. Occasional flickering is permitted.
Setting gain this way maintains the best signal-to-noise performance for the system. The Master Level controls allow level
matching and balancing as required.
When operating unbalanced, a 6 dB loss of signal must be
taken into account when setting the gain structure of the system.
When wiring an Output for unbalanced operation do not ground
the unused terminal (i.e. usually the “–”). Unbalanced uses only the
“+” and ground terminals.
32 Unbalanced Outputs Tip: The (“–”) Output may also be
used as an unbalanced line driver, albeit inverted. The balanced
Input terminals of the next stage must be reversed (+) for (–) to
correct for the inversion. This nets a total of 32 Outputs! However, the penalty for 32 outputs is that unbalanced operation will
not drive long lines and individual control is lost.
Data Sheet-
DA 216a
DISTRIBUTION AMPLIFIER
Rear Panel
Architectural Specifications
The distribution amplifier shall have two (2) inputs and
sixteen (16) outputs. The unit shall be capable of mono (16 mono
outputs) or stereo operation (8 stereo outputs) via front panel
switches. Each output shall be assignable to either or both of the
master inputs.
Each input shall be microphone or line level switchable by
means of rear panel switches. Additional 20 dB gain switches
shall be built-in for each input, applicable to either a mic or line
level signal. Each input shall have a front panel screwdriver level
adjustment. 15V phantom power shall be provided via a rear
panel switch for microphone inputs.
Each output shall have a front panel screwdriver adjustment.
Inputs and outputs shall be active balanced screw terminal connectors.
The unit shall be exempt from agency safety requirements
and powered from a UL listed / CSA certified (120 VAC), or
CE approved (230 VAC) remote power supply. The unit shall
be constructed entirely from cold-rolled steel, and mount into a
standard 19" 1U EIA rack.
The unit shall be a Rane DA 216a Distribution Amplifier.
Available Accessories
• SC 1.7 Single Space Security Cover
©Rane Corporation 10802 47th Ave. W., Mukilteo WA 98275-5098 TEL 425-355-6000 FAX 425-347-7757 WEB www.rane.com
Data Sheet-
All features & specifications subject to change without notice. DOC 106333
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