Signal Processing Systems : Distribution Amplifiers : Radio Design Labs - EZ-HDA4A

Stereo Headphone Distribution Amplifier-1X4 Front-Panel Outputs

Series:

Model: EZ-HDA4A

One Stereo Input to Four Stereo Outputs
Unbalanced Inputs on Rear Panel
Input on MINI, 1/4" (6.3 mm) or RCA Jacks
Headphone Outputs on Front Panel
Outputs on MINI Jacks

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The EZ-HDA4A contains four stereo headphone amplifiers with individual front-panel volume controls. Headphone outputs are provided on front-panel MINI jacks. One stereo input signal feeds all the amplifiers. Stereo RCA jacks, a MINI jack and a 1/4" jack are provided for connecting the input source. The EZ-HDA4A is used in music stores, houses of worship, studios, museums, home component systems and commercial sound systems.

One Stereo Input to Four Stereo Outputs
Unbalanced Inputs on Rear Panel
Input on MINI, 1/4" (6.3 mm) or RCA Jacks
Headphone Outputs on Front Panel
Outputs on MINI Jacks
Front-Panel LEVEL Control for Each Output
Gold-Plated RCA Input Connectors
Each Output is Driven Separately
Knobs for Easy Level Adjustment

DA Audio Input - RCA
DA Audio Output - RCA

Inputs (3):: Stereo on dual RCA jacks, stereo mini jack or 1/4” (6.3 mm) TRS, > 10 kΩ, -10 dBV nominal, +8.5 dBV max. (RCA and 1/4”), -16 dBV nominal, +2 dBV max. (Mini)
Level control:: Off to +2.5 dB gain (RCA and 1/4” inputs, 100 Ω output load), Off to +9 dB gain (Mini input, 100 Ω output load)
Outputs (4):: Stereo on Mini jacks (front panel), 60 mW (100 Ω load)
Frequency Response: 20 Hz to 50 kHz (±1.5 dB)
THD+N:: < 0.1% (10 mW output, 100 Ω load)
Crosstalk:: < -75 dB (1 kHz)
Noise:: < -95 dB (below 10 mW output, 100 Ω load, maximum gain)
24 Vdc power supply current:: 40 mA (idle), 65 mA (max.)
Case dimensions:: 5.75” (14.6 cm)W x 3” (7.6 cm)D
Mounting size:: 1/3 rack width.
Number of Inputs: 3
Number of Outputs: 4
Depth: 76.20 mm
Width: 146.05 mm
Shipping Weight: 0.43 kg

EZ-HDA4A_INSTALLATION_MANUAL.pdf 614 kb - Instructions

Project List

EZ-CC6
Component Chassis for 6 Increments of 1/6 Rack Width

EZ-DC2
Desktop Chassis for 1/3 Rack Width EZ Products

EZ-FP1
Filler Panel - 1/6 Rack Width for EZ-RA6 or EZ-CC6

EZ-RA6
Rack Adapter for 6 Increments of 1/6 Rack Width

EZ-SD1
Storage Drawer-1/6 Rack Width for EZ-RA6 or EZ-CC6

EZ-SD2
Storage Drawer - 1/3 Rack Width for EZ-RA6 or EZ-CC6

EZ-SMB2
Surface Mount Bezel for 1/3 Rack Width EZ Products

EZ-UCB2
Under Counter Bracket Pair for all EZ Product Widths

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