The PT4500 is an analog reference wireless body-pack transmitter with supreme wireless audio quality for instrumental and vocal use. The pilot tone prevents unexpected system startup noise, continuously sending transmitter data, including mute switch position and remaining battery life, to the receiver. An optional RMS4000 external mute switch allows the user to mute the transmitter remotely.
WMS4500 transmitters offer an unmatched battery life of 15 hours with two standard AA-size alkaline batteries. With the integrated charging contacts, the optional BP4000 battery-pack can be charged inside the transmitter.
| Audio | | Audio Frequency bandwidth | 35 to 20000 Hz | | Signal to Noise | 120 dB-A | | THD at 1 kHz | 0.3 Prozent |
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| Enhanced | | Operating temperature range | -10 to 55 Celsius | | Peak deviation | 48 kHz |
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| Pocket Transmitter | | Nominal deviation | 20 kHz | | Radio Output Power (min/max) | 10 to 50 mW | | Transmitter Synchronization | Manual |
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| Audio Input | | Type | Mini XLR | | Gender | Weiblich | | Contacts | 3 Kontakte | | Maximum audio level | 12 dB |
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| Mute Switch Interface | | Type | Klinkenstecker Mono (6,3mm) | | Gender | Weiblich |
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| Battery 1 | | Batterietype | LR6 AA Alkaline Batterie | | Number of Batteries | 2 | | Operating Time | 15 h |
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| Battery 2 | | Batterietype | HR 6 AA (NiHM) Wiederaufladbare Batterie | | Compatibel Charging System | CU4000 | | Number of Batteries | 2 | | Operating Time | 15 h |
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| Battery 3 | | Batterietype | AKG BP 4000 | | Compatibel Charging System | CU4000 | | Number of Batteries | 1 | | Operating Time | 12 h |
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| Design | |
| Dimensions / Weight | | Length | 25 mm | | Height | 91 mm | | Width | 70 mm |
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| Radio | | Switching bandwidth | 30 MHz | | Recommended simultaneous channels | 50 | | Number of selectable frequencies | 1220 (selectable in 25kHz steps) | | Frequency Selection | Selectable frequency in 25kHz steps | | Wireless channels within device | - | | Radio Range (Line of Sight) | 100m (depending on antenna system) | | Switchable RF Power | no | | Modulation | FM | | Encryption | No encryption | | Diversity | True Diversity | | Pilot Tone | yes |
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