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Ships within 48 hours · Estimated delivery Aug 31 - Sep 5
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Description
RDL DB-SH1M Stereo Headphones Amplifier Wall PlateThe DB SH1M is used in applications requiring headphones of any impedance to be driven from consumer or professional audio sources. It is ideally suited to applications as diverse as language translation, museums, interview studios and music stores. The DB SH1M is a dual channel headphone amplifier with balanced unbalanced left and right inputs. Each input accepts operating levels between 20 dBV and +20 dBu. Two recessed slide switches located on the
The DB-SH1M is used in applications requiring headphones of any impedance to be driven from consumer or professional audio sources. It is ideally suited to applications as diverse as language translation, museums, interview studios and music stores.
The DB-SH1M is a dual channel headphone amplifier with balanced/unbalanced left and right inputs. Each input accepts operating levels between -20 dBV and +20 dBu. Two recessed slide switches located on the side of the rear enclosure are set prior to mounting the module. One switch is provided for setting the input sensitivity. The mode switch selects between stereo and mono operation. In the mono position, the left input is used to drive both output channels. When the module is used in a monaural system, only the left channel input must be wired.
The front panel level control is a long life potentiometer controlling matched VCAs. Audio does not pass through this control, assuring years of noise free level adjustment.
The output amplifiers deliver more than 50 mW into either high or low impedance headphones. Module operation is from a 24 Vdc ground referenced power supply.
Features
- Integral Long-Life VCA Stereo Level Control
- Balanced or Unbalanced Inputs
- Switch-Selectable Input Sensitivity
- Switch-Selectable Mono (Left) or Stereo Operation
- Amplifier to Drive High or Low Impedance Headsets
- Output: Mini-Jack
Specifications
| Inputs (2): | 10 kΩ balanced or unbalanced bridging |
| Input Level: | +4 dBu nominal (Low input sensitivity); -15 dBV nominal (High input sensitivity) |
| Maximum Input Level: | +21 dBu (Low input sensitivity); +3 dBu (High input sensitivity) |
| Output Signal: | 10 mW into 100 Ω (normal rated); 50 mW into 100 Ω (maximum) |
| THD+N: | < 0.5% @ 1 kHz |
| Frequency Response: | 30 Hz to 20 kHz (±2 dB) |
| Noise: | < -70 dB below normal operating level |
| Gain: | User-adjustable on front panel; 18.5 dB (maximum, High input sensitivity); Unity (maximum, Low input sensitivity) |
| CMRR: | > 60 dB (50 to 120 Hz) |
| Crosstalk: | Below noise floor (20 Hz to 20 kHz) |
| Power Requirement: | GROUND-REFERENCED, 24 Vdc @ 50 mA |
| Package Type: | Cardboard Box |
| Tariff code: | 8543.70.9860 |
| WEEE weight: | 0.305 lbs. |
| Package Dimensions: | 3.625 x 4.625 x 2.125 in. |
| Shipping Weight: | 0.45 lbs. |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy