PA 3100 HV Integrated Amplifier
Flagship High-Voltage Stereo Integrated Amplifier | Brisbane HiFi High-End Audio Specialist
The T+A PA 3100 HV is the ultimate statement integrated amplifier from German engineering specialist T+A elektroakustik, combining uncompromising power delivery, advanced High-Voltage circuit technology, and precision analog engineering in a reference-class stereo amplifier.
Developed from the acclaimed PA 3000 HV platform, the PA 3100 HV introduces precision dual analog VU meters integrated into its solid aluminum front panel, alongside a redesigned DC-coupled preamplifier section and an upgraded high-capacity power supply architecture.
Utilizing T+A’s proprietary High-Voltage (HV) circuit technology, the amplifier employs discrete J-FET cascode stages operating at elevated rail voltages to achieve exceptional linearity, ultra-low distortion, and tube-like smoothness combined with the speed, control, and damping capability of modern transistor amplification.
At Brisbane HiFi, we recommend the T+A PA 3100 HV as a reference centerpiece for driving world-class floorstanding loudspeakers and demanding low-impedance speaker loads in ultra-high-end stereo systems across Brisbane, Queensland, and Australia.
Key Features & Audio Engineering Highlights
Proprietary High-Voltage (HV) Technology
T+A’s advanced HV circuit design operates amplifier stages at significantly increased internal voltages, including up to 360 V in preamplifier stages, providing:
- Exceptional linearity
- Reduced non-linear distortion
- Wide dynamic range
- Minimal reliance on global negative feedback
Delivering a combination of smooth musicality and high-current transistor control.
Massive Power Output Capability
The PA 3100 HV delivers:
- 300 W per channel into 8 Ω
- 500 W per channel into 4 Ω
- Up to 700 W peak into 4 Ω
Providing effortless control over demanding loudspeaker designs with exceptional bass authority.
Dual Analog VU Meters
Precision front-panel analog meters provide real-time logarithmic power monitoring while complementing the amplifier’s handcrafted aluminum chassis with a timeless high-end aesthetic.
Fully Discrete Differential Cascode Topology
The audio path eliminates integrated operational amplifiers, using:
- Hand-selected J-FET transistors
- Dual-mono circuit architecture
- Discrete differential stages
Delivering:
- Exceptional channel separation
- Low noise performance
- High-resolution musical reproduction
Gas-Tight Gold-Contact Relay Volume Control
The precision volume system uses:
- Discrete resistor networks
- Hermetically sealed gold-contact relays
- Bi-stable switching technology
Providing:
- Perfect channel matching
- Ultra-low noise
- Long-term reliability
Expandable with PS 3000 HV External Power Supply
A dedicated high-current connection allows integration with the optional PS 3000 HV external power supply, adding substantial mains reservoir capacity for even greater stability and dynamic headroom.
Product Specifications
| Specification | Technical Detail |
|---|---|
| Amplifier Class / Topology | High-Voltage (HV) Discrete Differential Cascode Dual-Mono |
| Continuous Power Output (RMS) | 300 W per channel into 8 Ω / 500 W per channel into 4 Ω |
| Peak Power Output | 380 W into 8 Ω / 700 W into 4 Ω |
| Frequency Response (+0 / -3 dB) | 0.5 Hz – 180 kHz (Power Stage) / 0.5 Hz – 300 kHz (Preamp Stage) |
| Slew Rate / Damping Factor | 60 V/µs / >65 |
| Signal-to-Noise Ratio | >115 dB (Power Stage) / 105–110 dB (Preamp Stage) |
| Total Harmonic Distortion (THD) | <0.001% (Preamp Stage) / <0.03% (Power Stage) |
| Reservoir Capacitance | 120,000 µF |
| Analog Inputs | 7 × Unbalanced RCA (20 kΩ), 4 × Balanced XLR (20 kΩ) |
| Pre-Outs / Sub-Outs | 1 × RCA Pre-Out, 1 × XLR Pre-Out, 1 × Recorder Out (RCA) |
| Headphone Output | 6.35 mm (50 Ω) |
| Optional Expansion Modules | Internal MM/MC Phono Board, Analog Signal Processor (Tone/Loudness) |
| Dimensions (H × W × D) | 170 mm × 460 mm × 460 mm (6.7" × 18.1" × 18.1") |
| Weight | 38 kg (83.8 lbs) |
| Finish Options | Silver Lacquer Case with Black Heatsinks / Titanium Lacquer Case |
Why Choose Brisbane HiFi for Your Reference Audio Upgrades?
- Brisbane HiFi Reference Showroom – Experience the T+A PA 3100 HV paired with world-class loudspeakers and premium source components in a dedicated listening environment.
- Queensland High-End Audio Specialists – Our technical team provides expert advice on amplifier matching, power requirements, system synergy, and custom reference installations.
- Trusted Australian HiFi Destination – Supporting audiophiles, high-end stereo enthusiasts, and custom installers seeking uncompromising performance.
What’s Included in the Box
- 1 × T+A PA 3100 HV Integrated Amplifier
- 1 × All-Metal F 3001 Infra-Red Remote Control Handset
- High-Current Power Cable
- Manufacturer Documentation & Warranty Certificate