Wohler AMP1-2SDA Overview
The AMP1-2SDA from Wohler is a 1 RU, 2-channel, 3G/HD/SD-SDI, AES, and analog audio monitor with a powerful audio amplifier to help overcome ambient noise. The unit provides instantaneous selection and monitoring of any available pair of audio from either a 16 channel SDI (with looped output), a single AES input pair, and either of the two pairs of analog inputs (balanced or unbalanced). Analog and AES outputs of the selected pair are included. Additional optional hardware input cards can provide up to 8 additional pairs of both Analog and/or AES on DB-25 inputs. The unit features adjustable volume and balance controls, while two on-board 26-segment level meters provide accurate audio level metering. You can visually and audibly monitor any selected audio pair. There is also a 4-digit, 14-segment display for setup and status display.
The AMP1-2SDA is small, low-cost, reliable, and simple to operate. It needs little configuration, as the unit ships already configured to the most commonly requested settings. However, should you need to change these settings, you can quickly and easily access the optional settings using the front panel controls and the Status Display.
- High-fidelity Class-D amplifiers with Wohler quality sound
- Quick selection of 3G/HD/SD-SDI, AES, and analog channel pairs to monitor through built-in speakers, headphones and analog outputs
- Regenerated loop output of the SDI input
- Balanced stereo analog outputs on XLR-M can be fixed, controlled by the Volume and Balance controls, or can be trimmed to various levels
- Front panel 1/4 headphone jack
- Automatic frame rate detection and selection
- Level metering for 2 (of 16) de-embedded 3G/HD/SD-SDI channels
- High-resolution metering with 26 segments displayed
- Level Meter Representation: Simultaneous average and PPM
- Brightness control for displays, 2 levels
- Permanent internal storage for all option settings
- Easy software updates using a USB flash drive
- Shallow chassis depth for easy installation in OB vehicles and consoles
- IEC power input, 100 “ 240 VAC ±10%, 50/60 Hz
- Phase indicator for the selected stereo input channel pair
- Simple uncluttered front panel controls
- Selectable trim and tone controls
- Option to add monitoring of additional 8 pairs of AES and/or Analog inputs
Wohler AMP1-2SDA Specs
| Inputs | SDI 3G/HD/SD-SDI on BNC AES L/R on BNC 8 x L/R on DB25F (Optional) Analog Balanced L/R on XLR-F Unbalanced L/R on RCA Balanced 8 x L/R on 2 x DB25F (Optional) |
| Outputs | SDI: Regenerated on BNC AES: L/R on BNC Analog: Balanced L/R on XLR-M |
| Level Meters | 2 x 26 segment LED |
| Level Meter Scale | AES |
| Status Display | 4 x 14-segment green LED |
| Peak Acoustic Output | 90 dB SPL (@ 2 feet) |
| Power Output | 5 W RMS, 12 W peak (each side) |
| Frequency Response | Acoustic Frequency Response: 150 Hz to 16 kHz (±5 dB) Analog Output Frequency Response: 40 Hz to 20 kHz (±1 dB) |
| Output Level | Analog Output Reference Level: -20 dBFS = +4 dBu (±1.0 dBu) |
| THD+N | Analog Output Distortion: <0.01% THD+N |
| Maximum Input Level | +28 dBu |
| Maximum Output Level | +28 dBu, +24 dB into 600 Ohms |
| Dynamic Range | A/D and D/A Dynamic Range: >96 dB |
| SDI Input Termination | 75 Ohms unbalanced |
| AES/EBU Input Termination | 75 Ohms unbalanced, switchable 110 Ohms balanced (optional module) |
| Input Impedance | Analog Input Impedance: 27 kOhms (minimum balanced) |
| Hum and Noise | Better than -68 dB below full output |
| Electrical Distortion | <0.05% at any level below limit threshold |
| SDI Formats Supported | SD: 29.97; 25 HD 720p: 23.98; 24; 25; 29.97; 30; 50; 59.94; 60 1035i: 29.97; 30 1080i: 25; 29.97; 30 1080sf: 23.98; 24; 25; 29.97; 30 1080p: 23.98; 24; 25; 29.97 3G 1080p: 50; 59.94; 60 |
| Power | Power Requirements: 100 to 240 VAC ±10%, 50/60 Hz Power Consumption: 60 W |
| Rack Space | 1 RU |
| Dimensions | 1.8 x 19.0 x 4.3" / 44.5 x 483 x 108.0 mm |
| Weight | 5.0 lb / 2.3 kg |
Packaging Info
| Package Weight | 6.5 lb |
| Box Dimensions (LxWxH) | 22.3 x 12.5 x 5.9" |
In the Box
- Wohler AMP1-2SDA 2-Channel Stereo Monitor with 3G/HD/SD-SDI, AES, and Analog Inputs (1 RU)
- Power Cord
- 2-Year Manufacturer Warranty
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