RDL DS-SH1 Stereo Headphone Amplifier, Decora panel with user level control; Silver color; Panel mounted headphone amplifier; Wall mounted headphone amplifier; Integral long life VCA stereo level control; Balanced or unbalanced inputs; Switch selectable input sensitivity; Switch selectable mono or stereo operation; Amplifier to drive high or low impedance headsets; UPC 813721014849; Convenience of Decora mounting possibilities; Shipping Dimensions 3.63" x 4.63" x 2.13"; Weight 0.34 lbs; Shipping Weight 0.49 lbs

General Information
Manufacturer	RDL
Manufacturer Part Number	DS-SH1
Product Name	Stereo Headphone Amplifier, Decora panel with user level control
UPC Code	813721014849
Overview
The D/DS SH1 is used in applications requiring headphones of any impedance to be driven from consumer or professional audio sources. The D/DS-SH1 is ideally suited to applications as diverse as language translation, museums, interview studios and music stores The module mounts conveniently in a precut opening in a wood or metal enclosure or in various RDL mounting accessories. The D/DS SH1 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 through a durable, metal 0.25" (6.3 mm) standard headphone jack Module operation is from a 24 Vdc ground referenced power supply. It can also operate from a 12 Vdc supply with a 6 dB reduction in headroom and a maximum output power of 10 mW
Features
Silver color Panel mounted headphone amplifier Wall mounted headphone amplifier Integral long life VCA stereo level control Balanced or unbalanced inputs Switch selectable input sensitivity Switch selectable mono or stereo operation Amplifier to drive high or low impedance headsets Convenience of Decora mounting possibilities
Pictures
Specifications
Input	10 kOhms 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 (normal rated)	10 mW into 100 Ohms
Output Signal (maximum)	50 mW into 100 Ohms
THD+N	Less than 0.5 percent at 1 kHz
Frequency Response	30 Hz to 20 kHz (More or less 2 dB)
Noise	Less than -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	Greater than 60 dB (50 Hz to 120 Hz)
Crosstalk	Below noise floor (20 Hz to 20 kHz)
Ambient Operating Environment	0C to 55C
Power Requirement	GROUND-REFERENCED 24 Vdc at 50 mA
Shipping Dimensions	3.63" x 4.63" x 2.13"
Weight	0.34 lbs
Shipping Weight	0.49 lbs

A-20170711-1505-210-L

*This item is BRAND NEW - not refurbished. It comes with all manufacturer supplied accessories, and full manufacturer's USA warranty.