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1.5 SPECIFICATIONS
Matrix Input/ Output
8 dBu nominal, 20 dBu maximum
Audio Performance
SNR at 8 dBu (A-weighted): > 70 dB
THD+N at 8 dBu (Unweighted): < 0.5%
Frequency Response at 8 dBu: ± 1.5 dB from 100 Hz -
20 kHz
CMRR: > 70 dB
Panel Mic Input
Mic Type: Electret condenser
Power: Phantom (+5V DC)
Nominal Level: -42 dBu
Maximum Level: -25 dBu
Connector Type: 1/4", 3-conductor phone jack.
Tip: +Audio and DC bias
Ring: -Audio
Sleeve: No connection
Headset
Mic
Type: Dynamic
Nominal Level: -55 dBu
Maximum Level: -40 dBu
Headphone
Impedance: 50 to 600 ohms
Output Power: 150 mW into 50 ohms
Output Voltage Level: 8 volts p-p maximum
Connector Type: D4F (Mates with A4M)
Pin 1: Microphone -
Pin 2: Microphone +
Pin 3: Headphone -
Pin 4: Headphone +
Speaker
Output: 4 Watts into 8 ohms maximum
Environmental
Operating Temperature: -20°C to 50°C
Storage Temperature: -40°C to 85°C
Humidity: 0 to 95%, non-condensing
Power Requirements
WKP-4: 15-24 VDC, 1 amp, regulated
BKP-4: 90 to 240 VAC, 47 / 63 Hz
Dimensions
WKP-4 (without mounting box): 6.5" (165mm) high x
9" (229mm) wide x 2.8" (71mm) deep behind front
panel. WKP-4 Mounting Box: See Figure 4
.
TKP-4: 5.2" (132mm) high x 8.38" (213mm) wide x
3.25" (83mm) deep behind front panel.
BKP-4: 4.6" (117mm) high x 9" (229mm) wide x 7"
(178mm) deep
Finish
Aluminum front panel and case, light gray finish
Approvals
UL, CSA, VDE, CE
User Instructions BKP-4, TKP-4, and WKP-4 Keypanels 9
8.11"
206 mm
6.102"
155 mm
6.102"
155 mm
3.937"
100 mm
2.7"
69 mm
.812" Dia (3 Places)
20.63 mm
1.575"
40 mm
1.56"
39.6 mm
1.56"
39.6 mm
3.15“
80 mm
Opposite side
Figure 4. WKP-4 Mounting Box Dimensions