500W 8-Zone IP Network Power Amplifier – 3U High-Power Chassis
8 x Independent 100V Zones • 500W Total Power • 3U Chassis • LCD Display • Infrared Remote • EMC Priority • Fire Alarm Linkage
T-77500Z
The most powerful 8-zone amplifier in the T-7700Z series. The T-77500Z delivers 500W total power across eight independent 100V zones, housed in a robust 3U chassis for enhanced cooling and sustained high-power output. Ideal for stadiums, factories, airports, and other large-scale venues requiring maximum power per zone.
| Model Number | T-77500Z |
| Product Type | 8-Zone IP Network Power Amplifier |
| Form Factor | 3U, 19" Rack Mount |
| Total Output Power | 500W (shared across 8 zones) |
| Zone Outputs | 8 x Independent 100V Constant Voltage |
| Zone Power Allocation | Dynamic / Programmable (per-zone limits configurable) |
| Display | LCD (Character/Graphic) |
| Network | 10/100Mbps Ethernet (RJ45) |
| Audio Protocols | TCP/IP, UDP, HTTP, RTP, RTSP |
| Audio Codecs | MP3, WAV, PCM |
| Frequency Response | 80Hz – 16kHz (±3dB) |
| THD+N | < 0.5% (1kHz, rated power) |
| S/N Ratio | > 85dB |
| Input Sensitivity | MIC: 5mV, AUX: 300mV |
| Remote Control | Infrared (included) |
| Priority Control | EMC input (contact closure), highest priority |
| Fire Alarm Linkage | Dry contact input, programmable zone activation |
| Intelligent Power Management | Auto standby per zone, configurable timeout |
| Cooling | Dual variable speed fans, front-to-rear airflow |
| Protection | Overload, short circuit, over-temperature, DC fault |
| Power Supply | AC 100-240V, 50/60Hz, internal |
| Dimensions (WxDxH) | 483 x 380 x 133 mm (3U) |
| Weight | 19.5 kg |
| Operating Temperature | 0°C – 40°C |
| Humidity | 10% – 90% non-condensing |
| Certifications | CE, FCC, RoHS |
The T-77500Z has a total power budget of 500W shared across eight zones, housed in a 3U chassis for optimal thermal management. Power can be allocated dynamically – for example, two main zones at 150W each, six smaller zones at 33W each (300W + 198W = 498W). Per-zone limits are software-configurable to match demanding venue requirements.
The T-77500Z is the flagship 8-zone IP network power amplifier, delivering 500W of total power in a robust 3U chassis. It combines multi-zone routing with high-power built-in amplification, receiving network audio and routing it to any of eight independent 100V zones – all in a single rack unit. This is the highest-power option in the T-7700Z series, designed for the most demanding large-scale applications.
Complete Zone Amplification – 500W Power: Each of the eight zones is a dedicated 100V constant voltage output with its own amplifier stage. The 3U chassis provides enhanced cooling for sustained 500W output, making it ideal for:
Flexible Power Distribution: A stadium might allocate 150W to each of two main stands, 100W to a concourse, and 50W each to four smaller areas (300W + 100W + 200W = 600W? careful – total 500W). Example: Stand A 150W, Stand B 150W, Concourse 100W, four areas 25W each = 500W. Power limits are software-configurable per zone.
3U Chassis Advantage: The larger 3U form factor provides enhanced airflow and heat dissipation for sustained 24/7 operation at maximum power output. Dual variable-speed fans with independent control ensure optimal cooling while minimizing noise.
Fire Alarm Integration: Dedicated fire alarm linkage inputs allow emergency messages to override any zone with highest priority. Programmable evacuation patterns comply with international life safety standards.
Individual zone control with built-in 500W amplification. No external amplifiers needed. Per-zone volume and source routing.
Direct interface with conventional fire panels. Programmable zone activation patterns for phased evacuation.
Per-zone auto standby reduces energy consumption. Zones power up only when audio is present, with configurable timeout.
Enhanced cooling for sustained 500W output. Dual fans, oversized heatsinks, and robust power supply for 24/7 operation.
| Zone | Output Type | Max Power (Configurable) | Example Allocation (Stadium) |
|---|---|---|---|
| Zone 1 | 100V Constant Voltage | 0-500W | Main Stand A: 150W |
| Zone 2 | 100V Constant Voltage | 0-500W | Main Stand B: 150W |
| Zone 3 | 100V Constant Voltage | 0-500W | Concourse: 100W |
| Zones 4-8 | 100V Constant Voltage | 0-500W each (total ≤500W) | VIP/Concessions: 5×20W = 100W |
Power limits are set via T-7700RP software. The amplifier automatically manages total power to prevent overload. Example total: 150W + 150W + 100W + 100W = 500W (within budget).
| Trigger | Programmable Actions | Example |
|---|---|---|
| Fire Input 1 | Activate zones 1,2,3 at 100% volume, play emergency message | Main stands evacuation |
| Fire Input 2 | Activate zones 4,5,6 at 100% volume, play alternate message | Concourse evacuation |
| EMC Input | Activate ALL zones, highest priority, overrides fire inputs | Total evacuation |
EN54 compliant
programming available
The T-77500Z uses a heavy-duty 3U chassis with dual high-speed fans and oversized heat sinks for sustained 500W output. Designed for 24/7 operation in demanding environments. Fans automatically adjust speed based on temperature, with front-accessible filters for easy maintenance. Always maintain 1U clearance above and below for optimal airflow.
| Model | Total Power | Zones | Output Type | Form Factor | Best For |
|---|---|---|---|---|---|
| T-77240Z | 240W | 8 | 100V | 2U | Schools, retail, offices |
| T-77350Z | 350W | 8 | 100V | 2U | Hospitals, large schools, conference centers |
| T-77500Z | 500W | 8 | 100V | 3U | Stadiums, factories, airports, convention centers |
The T-77500Z has a total power budget of 500W shared across 8 zones. Ensure total speaker wattage connected to all zones does not exceed 500W. Use the T-7700RP software to set per-zone power limits and prevent overload. Example: 2 zones × 150W + 5 zones × 40W = 500W (2×150=300, 5×40=200, total 500W).
Zones can be logically grouped for stadium-wide announcements. For example, create "All Zones" for full evacuation, "Main Stands" for sports events, "Concourse" for vendor announcements. Group paging can be triggered from any T-7702A/M paging microphone with a single button press.
The T-77500Z uses a 3U chassis for enhanced cooling at 500W output. Always maintain 1U clearance above and below. Clean front air filters monthly in dusty environments. Designed for 24/7 operation in mission-critical applications.
Server → Switch → T-77500Z → Zone 1-8 (100V) → Speaker zones: Stand A (150W), Stand B (150W), Concourse (100W), 5 VIP areas (5×20W)
No external amplifiers needed. Each zone connects directly to its own 100V speaker line. Fire alarm panel connected to fire input triggers programmed evacuation zones. T-7771 wall panels provide remote volume control in VIP areas.