Anchor Audio ALT-9000 Assistive Listening Base Station Transmitter
Description
Anchor Audio ALT-9000 Assistive Listening Base Station Transmitter
The Anchor Audio ALT-9000 is the base station transmitter of the Anchor Audio Assistive Listening 9000 system. It connects to an existing sound system through two 1/4-inch / XLR combo inputs and broadcasts to ALB-9000 belt pack receivers on 100 UHF channels in the 902-928 MHz band, with up to 100 mW of RF power and a range of up to 300 ft line of sight. Use it to give hard-of-hearing listeners clear speech and music in houses of worship, theaters and meeting rooms. Anchor Audio lists its Assistive Listening system as ADA compliant.
Key Specifications
| Specification | Details |
|---|---|
| Model | ALT-9000 |
| Type | Assistive listening base station transmitter |
| Frequency band | UHF 902 to 928 MHz |
| Channels | 100 (10 groups of 10) |
| Range | Up to 300 ft line of sight |
| RF output power | 100 mW max (selectable) |
| Frequency response | 60 Hz to 17 kHz |
| Audio inputs | Two 1/4-inch / XLR combo |
| Antenna | External, TNC connector |
| Power | DC 12 to 18 V, 500 mA |
| Dimensions | 2 x 8.5 x 8 in. |
| Weight | 2 lb (0.9 kg) |
Full specifications are listed in the Detailed Specifications tab.
Why Choose the Anchor Audio ALT-9000?
- Connects to an installed sound system or mixer with 1/4-inch / XLR combo inputs
- 100 UHF channels in 10 groups of 10, 902-928 MHz
- Selectable RF output power: 5, 10, 30 or 100 mW
- Range up to 300 ft line of sight
- Serves an unlimited number of ALB-9000 receivers
- Listed as ADA compliant by Anchor Audio
- Simple interface, easy to set up
Setup
Connect the provided external antenna, plug in and power on the transmitter, then connect your audio source to one or both line inputs and adjust the input gain. Anchor Audio recommends starting with the gain at minimum to reduce hiss.
Wireless Performance
The ALT-9000 is PLL synthesized with FM mono modulation, a frequency response of 60 Hz to 17 kHz, dynamic range greater than 100 dB and THD under 0.5% at 1 kHz.
One Transmitter, Many Listeners
Transmission is one-way, so any number of ALB-9000 belt pack receivers set to the same channel can listen. Anchor Audio describes the system as expandable for an unlimited number of users.
Typical Applications
- Houses of worship
- Theaters and auditoriums
- Council chambers and courtrooms
- Lecture halls and classrooms
- Conference rooms
Compatible Accessories
Compatible accessories for the Anchor Audio ALT-9000, available at Affinitech Store:
- Anchor Audio ALB-9000 Belt Pack Receiver
- Anchor Audio AL-9000 Assistive Listening System (4 receivers)
Compare Anchor Audio Assistive Listening Systems
| Model | Key spec | Type | Best for |
|---|---|---|---|
| Anchor Audio AL-9000 | ALT-9000 base station and 4 ALB-9000 receivers | Assistive listening package | Venues, meeting rooms and houses of worship |
| Anchor Audio TOUR-9000 | WB-9000 belt pack transmitter, headband mic and 6 ALB-9000 receivers | Tour guide package | Facility, plant and campus tours |
| Anchor Audio ALT-9000 (this model) | 902-928 MHz, two 1/4-inch/XLR combo inputs | Base station transmitter | Connecting to an existing sound system |
| Anchor Audio ALB-9000 | 902-928 MHz, 100 channels, 3.5 mm earphone output | Belt pack receiver | Adding listeners to any 9000 series system |
Explore More
Frequently Asked Questions About the Anchor Audio ALT-9000
What does the ALT-9000 do?
It is the base station transmitter of the Anchor Audio Assistive Listening 9000 system. It takes audio from a sound system and broadcasts it to ALB-9000 belt pack receivers.
How does it connect to my sound system?
Through two 1/4-inch / XLR combo inputs.
What frequency and how many channels?
UHF 902 to 928 MHz with 100 channels in 10 groups of 10.
What is the range?
Anchor Audio lists a range of up to 300 ft line of sight.
How many receivers can I use?
Transmission is one-way, and Anchor Audio describes the system as expandable for an unlimited number of users.
Which receivers work with it?
The Anchor Audio ALB-9000 belt pack receiver.
What power does it need?
DC 12 to 18 V at 500 mA.
Is it ADA compliant?
Anchor Audio lists its Assistive Listening system as ADA compliant.
Detailed Specifications
Anchor Audio ALT-9000 Specifications
| Specification | Details |
|---|---|
| Product | |
| Model | ALT-9000 |
| Type | Assistive listening AC-powered transmitter base station, AnchorAIR |
| Series | Assistive Listening 9000 |
| Key Specifications | |
| Frequency band | UHF 902 to 928 MHz |
| Channels | 100 (10 groups of 10) |
| Range | Up to 300 ft line of sight |
| Oscillator | PLL synthesized |
| Modulation | FM, mono |
| RF output power | 100 mW max (selectable 5, 10, 30 or 100 mW) |
| Frequency response | 60 Hz to 17 kHz |
| Dynamic range | Greater than 100 dB |
| THD | Less than 0.5% at 1 kHz |
| Audio inputs | Two 1/4-inch / XLR combo |
| Antenna | External, TNC connector |
| Power | DC 12 to 18 V, 500 mA |
| Dimensions | 2 x 8.5 x 8 in. (5.1 x 21.6 x 20.3 cm) |
| Weight | 2 lb (0.9 kg) |
| System | |
| Communication | One-way |
| Users | Expandable for an unlimited number of users |
| Operation | Easy to set up and operate |
| Compliance | ADA compliant (per Anchor Audio) |
| Compatibility | |
| Receivers | ALB-9000 belt pack receiver |
| Included | |
| Contents | ALT-9000 base station transmitter and 1/4-inch cable |
| Shipping | |
| Shipping weight | 5 lb |
| Package dimensions | 12 x 12 x 12 in. (W x H x D) |
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