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User Manual for RDL DB-SH1M Stereo Headphone Amplifier Click to enlarge the picture
Contents of the user manual for the RDL DB-SH1M Stereo Headphone Amplifier
- Product category: Headphone Amplifiers RDL
- Brand: RDL
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for RDL Headphone Amplifiers
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User manual for the RDL DB-SH1M Stereo Headphone Amplifier contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any RDL product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official RDL user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a RDL product will considerably shorten its lifespan!
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Product description The black DB-SH1M Stereo Headphone Amplifier made by RDL is a dual channel headphone amplifier with balanced/unbalanced left and right inputs. Each input accepts operating levels between -20 dBV and +20 dBu. Prior to mounting the module, there are two recessed switches on the rear enclosure that are set up. One switch is for setting the input sensitivity and the other is the mode switch.
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.
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. This amplifier is designed to fit Decora style products and American electrical boxes. - 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
UPC: 813721015020 In the Box RDL DB-SH1M Stereo Headphone Amplifier (Black) Limited 3-Year Warranty Table of Contents
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Technical parametersRDL DB-SH1M Specs | Input | 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); | | Maximum Output Level | 50 mW into 100 Ω | | Frequency Response | 30 Hz to 20 kHz (±2 dB) | | THD + N | < 0.5% @ 1 kHz | | 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) | | Crosswalk | Below noise floor (20 Hz to 20 kHz) | | Power Requirement | 24 VDC @ 50 mA | | Dimensions | 4.1 x 1.7" (10.4 x 4.2 cm) for Decora mounting enclosures | | Weight | 0.31 oz (0.1 kg) | | | | Package Weight | 0.5 lb | | Box Dimensions (LxWxH) | 4.8 x 4.3 x 2.2" |
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