Wharfedale Pro SL424 USB Passive Mixer

Wharfedale Pro SL424 USB Passive Mixer

The SL 424 is a compact studio/live mixing console with built-in full duplex USB interfacing.  

Designed to cater for a wide range of mid format mixing duties, the SL 424 includes many features suited to both live sound and home studio applications.  

The studio quality class-compliant 2-input 2-output 16-bit/48kHz USB interface is great for live and home recording. 

Studio grade microphone preamps are used throughout and have balanced XLR inputs, with all channels also offering balanced/unbalanced TRS line level connectivity. 

An ultra musical 3-band EQ is available on all channels, with an additional high pass filter on the mono channels.  

Features

• Full Duplex 2 In/2 Out 16-Bit 48kHz USB Interface
• 4 Studio Grade Phantom Powered Microphone Pre-Amps
• Ultra Musical 3-Band EQ with High Pass Filters
• 1 Auxiliary Send
• Dedicated Stereo Return with Level Control
• Pan and Balance Controls
• Control Room and Headphone Outputs
• Master Outputs with XLR and TRS Connectors

SPECIFICATIONS

MODEL : SL424USB

FREQUENCY RESPONSE : 20Hz~20kHz ±2dB

THD+N : <0.025% @ + 14dBu ±0.5dBu

MAXIMUM INPUT LEVEL : Mic +4dBu ±1dBu; Channel Line +21dBu ±1dBu; Stereo Line +21dBu ±1dBu; AUX Return In +21dBu ±1dBu

AC POWER OPTIONS : AC100V-240V~ 50/60Hz

DIMENSIONS (HXWXD) : 76mm x 248mm x 262mm / 3" x 9.8" x 10.3"

WEIGHT :  2.7kg / 5.95lbs

MONO INPUT CHANNEL GAIN : 50dB Variable MIC (0~ -50dB) Line (-20dB~ +30dB)

LEVEL METERS : 12 Segment LEDx2 (Output of +4dBu = 0dBu) Main L/R

INPUT CHANNEL EQ : High (±10dB) ±1.5dB 12kHz Shelving; Mid (±10dB) ±1.5dB 1kHz Shelving; Low (±10dB) ±1.5dB 80Hz Shelving

MAXIMUM BALANCED OUTPUT : Main XLR Balanced Out +26.5dBu ±1dBu

LEVEL (1%T.H.D. AT 1KHZ ) : Main " Jack Balanced Out +26.5dBu ±1dBu

MAXIMUM UNBALANCED : Main XLR Unbalanced Out +21dBu ±1dBu

OUTPUT LEVEL (1%T.H.D. AT1KHZ ) : Main " Jack Unbalanced Out +21dBu ±1dBu; Headphone Output 150mw ±5mw @ 32ohms

HUM AND NOISE : 20HZ-20KHZ -127dBu ±5dBu Mic Pre Equivalent Input Noise

(150R) : -85dBu ±5dBu Residual Noise

S/N : 78dB ±5dB @ Fader Max

FFT : 62dBv ±5dBv @ Gain Fader Max

CMRR : 62dB ±5dB @ 1KHz

IMPEDANCES : Mic: Balanced 6KΩ, Unbalanced 3KΩ ±200Ω; Line: Balanced 44KΩ, Unbalanced 22KΩ ±2KΩ; AUX Return: Balanced 20KΩ, Unbalanced 10KΩ ±2KΩ; All Other Unbalanced Outputs: 100Ω, Balanced Outputs: 50ohms