Glensound Signature HA2+ Twin Stereo Headphone Amplifier
Model: HA2+
About: Glensound Signature HA2+ Twin Stereo Headphone Amplifier
Glensound Signature HA2+ is a twin stereo headphone amplifier built to professional broadcast specifications. Designed for OB trucks, studios, and control rooms, this 1RU unit offers flexible audio monitoring with two independent headphone amplifiers. Each amplifier allows blending between a stereo program input and a mono cue input, with independent volume and mix control, supporting stereo or mono operation.
Features
- Twin independent headphone amplifiers with stereo or mono operation
- 2 x stereo XLR program inputs with front panel gain trim
- 3 x mono 6.35mm cue inputs—assignable per channel
- Front panel mix controls allow blending between program and cue inputs
- Individual headphone volume controls for each output
- Defeatable master volume pot affecting both amplifiers
- Front panel 6.35mm jack outputs, paralleled on rear panel 3-pin XLRs
- Can drive headphones with impedance from 32 to 1000 Ohms
- Electronically balanced inputs and outputs, compatible with unbalanced signals
- Internal switch-mode PSU (100–240 VAC) with optional 12V DC input for redundancy
Specifications
| Programme Inputs | 2 x XLR, stereo or mono switchable, max input +24 dBu, input impedance 30kΩ |
|---|---|
| Cue Inputs | 3 x 6.35mm jack sockets (mono), electronically balanced |
| Gain Range | ±10 dB on program input; source mix -70 dB to 0 dBu; volume -65 dB to +10 dB |
| Headphone Outputs | 2 x front 6.35mm TRS + 2 x rear XLR (parallel); 32–1000 Ohms |
| Headphone Frequency Response | -1.7 dB @ 20 Hz, -0.5 dB @ 20 kHz |
| Maximum Output | +19 dBu / 67.07 mW into 600Ω; +8 dBu / 6.2 mW into 32Ω |
| Distortion | < 0.01% THD @ 100 Hz; 0.007% @ 10 kHz (ref +8 dBu) |
| Noise | > -83.3 dB unweighted RMS (22 Hz–22 kHz) |
| Power | Internal PSU: 100–240 VAC, 2.2 W; DC input: 4-pin XLR ±12V |
| Dimensions | 336 x 123 x 44 mm (without rack ears), 482 mm with ears (1RU) |
| Weight | 0.94 kg (shipping weight: 2.35 kg) |
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