Specifications
PT81 bodypack transmitter:
Audio bandwidth: | 50 Hz to 20 kHz |
Modulation method: | FM |
Radiated RF power: | 10 mW |
Frequency stability: | ±10 ppm |
Antenna: | Flexible, |
Rated deviation: | ±30 kHz |
Typical 50 dB (A weighted) | |
Input impedance: | 220 kohms, 600 pF |
Audio input: | Mini |
| rated deviation at 1 kHz |
Phantom powering: | Pin 3: 6 V/6k8 ohms |
Current consumption: | 170 mA/2.4 V |
Power requirement: | 2 AA 1.5V batteries |
Battery life: | >8 hours |
Dimensions: | 3.62 x 2.56 x 0.79 in. |
| (92 x 65 x 20 mm) |
Net weight: | 3.04 oz. (76 g) without batteries |
HT81 handheld transmitter:
Type, bandwidth and polar pattern:
| See individual microphone |
| specification sheets |
Modulation type: | FM |
RF radiated power: | 10 mW |
Rated deviation: | ±30 kHz |
Typical 50 dB | |
Current consumption: | <150 mA/2.4 V |
Power requirement: | 2 AA size 1.5V batteries |
Battery life: | >10 hours |
Dimensions: | 1.4 x 9.4 in dia. (36 mm x 240 mm) |
Net weight: | 9.8 oz. (245 g) |
SR81 receiver:
Receiver type: | Diversity |
Antenna inputs: | 2 x |
Modulation type: | FM |
Input sensitivity: | Typical |
Squelch threshold: | Automatic, using pilot tone (32.678 kHz) |
Audio bandwidth: | 50 to 20 kHz |
THD at 1 kHz: | <0.4% at rated deviation |
Typical 100 dB | |
Audio output: | Balanced |
| switchable, typical 30 dB unbalanced: |
| 1.4” jack: 0 dBm XLR: 6 dBm |
Current consumption: | 220 mA typical |
Power requirement: | 11 to 15 V dc or ac from |
| external power supply |
Dimensions: | 8.27 x 6.7 x 1.65 in. |
| (210 x 170 x 42 mm) |
Net weight: | 18.8 oz. (470 g) |
Accessories:
PS81: | Active, wideband antenna splitter for |
| connecting up to 4 SR81 units or 3 |
| SR81 units and one additional PS. |
RA81B: | External receiver antenna with |
| integrated booster, powered via cable |
| from the PS61 antenna splitter. |
PSU01: | Central power supply unit for PS61 and |
| PS81 splitters. |
External directional antenna | |
Color code indicators for easy channel | |
| recognition. |
Hard Case CH60: | For carrying a single complete system |
UAM1: | Universal antenna mount for moving |
| the antennas for 1 receiver to the front |
| of the rack. |
AKG Acoustics, U.S. • 1449 Donelson Pike • Nashville • TN 37217 • Tel: (615)
Visit our Web Site at www.akgusa.com
