Oxmoor DCA-2 - Manual (Page 14)

DCA-2/DCA-2T & RC-16 SPECIFICATIONS
All specifications subject to change without notice.
DCA-2/DCA-2T DIGITAL CONTROL ATTENUATOR
FREQUENCY RESPONSE
20 Hz to 20 kHz +0, -0.3 dB; -3 dB Points Ref. 1 kHz are
4 Hz and 60 kHz (@ +4 dBm, Max. Gain)
HUM AND NOISE
-80 dB Unweighted (Ref. 0dBm Output, Unity Gain);
100 dB Dynamic Range
DISTORTION
-80 dB (0.01%) THD or IMD* (Ref. +4 dBm, 20 Hz to 20 kHz)
CROSSTALK
-90 dB** (20 Hz to 20 kHz)
INPUTS
Type: Electronically Balanced (RF Suppressed)
Input: 100 k Ohms
Max. level: ± 20 dBu
CMRR: 50 dB (20 Hz to 20 kHz)
OUTPUTS
Type: DCA-2: Electronically Unbalanced
DCA-2T: Transformer Balanced
Source: 75 Ohms
Load: ≥ 600 Ohms (stable w/any load)
Max. level: +18 dB into 600 Ohms, +20 dBu Unterminated
GAIN RANGE
-15 dB to +15 dB (Ref. Unity Gain, RC-16 at Max. Level)
DIGITAL ATTENUATOR
Control Range: 0 to -43.5 dB in 29 Steps, Plus a 90 dB
Full Attentuation (“Kill”) Step
Tracking Accuracy: ± 0.1 dB, Full Range, Interchannel
Preset & Priority Range: 15 steps (3 dB Each) Plus “Kill”
CONTROL LOOP
4 Controls per Channel (Maximum)
64 Channels per Control Chain (Maximum)
600 m (2,000 ft.) Max. Cable to Farthest RC-16 Remote
†
SAFETY LISTINGS
UL and CE
MAINS POWER
100 to 130V AC or 200 to 260V AC (Switchable),
50 or 60 Hz, 8 Watts Maximum
FUSE TYPE
1/8 Amp SB (115V) or 1/16 Amp SB (230V)
ENVIRONMENTAL
Storage Temperature: -25°C to 70°C (-13°F to 158°F)
Operating Temperature: -10°C to 50°C (14°F to 122°F)
Humidity: < 80% Relative, Non-condensing
MECHANICAL
Overall Dimensions: 44 mm H x 482 mm W x 183 mm D
(1.72” H x 19” W x 7.18” D)
Finish: Textured Black Paint
Shipping Weight: 3.9 Kg (8.5 lb)
Net Weight: 3.1 Kg (6.9 lb)
Page 12
* SMPTE Method, 60 Hz & 7 kHz mixed 4:1 @ ± 4 dBu output
** Input terminated with 600 ohms, unity gain, adjacent channel
driven to maximum output
† Total length based on typical modular telephone cable resistance
of 12 ohms per 100 m (330 ft.)
RC-16 REMOTE CONTROL
CONTROL
Type: Incremental Rotary Bi-Phase Encoder with
Quadrature-to-Pulse Conversion Circuit
Display: Multiplexed Display Refreshed at Line
Frequency Rate by Serial Data Burst; One of
16 Concentric LEDs is Illuminated as a
Virtual Pointer
Recomm. Cable: 4-Wire Modular Telephone Cable, or 6-Wire
Modular Telephone Cable for Remote
Activation of Preset or Priority Function
Connectors: 4-Wire or 6-Wire RJ-11 Type Modular Phone
Plug
Wiring Scheme: Daisy-Chain (Loop) or Parallel Using Jacks
on Each Device Controlled
CONTACT REQUIREMENTS
Preset or Priority: Single-Pole Dry Closure or Open Collector
Transistor to Logic Ground; 128 Milliamp
Capacity
Security Key: Single-Pole Dry-Closure Switch; 25 Milliamp
Capacity
MECHANICAL
Front: 578mm (2.28”) Square
203mm (0.8”) Above Panel Surface
Rear: 533mm (2.1”) Diameter;
406mm (1.6”) Behind Front Panel
Max. Mounting
Panel Thickness: 9.6mm (0.38”)
Minimum Depth: 437mm (1.72”) Behind Front Panel
(Including Connectors)
Materials/Finish: Matte Black, Injection Molded, High-Impact
Plastic Escutcheon and Knob; Black Painted
Steel Can
Shipping Weight: 454g (1.0 lb.)
Net Weight: 114g (0.25 lb.)
ENVIRONMENTAL
Storage Temperature: -25°C to 70°C (-13°F to 158°F)
Operating Temperature: -10°C to 50°C (14°F to 122°F)
Humidity: < 80% Relative, Non-condensing