Ashly Mx-508 User manual

5-Year Warranty Hand-built in

Webster, NY

–

508 8-Channel,

MiC/line Mixer

Distoron

THD @ +4dBu Output, 20Hz–20kHz <0.05%

THD @ +20dBu Output, 30Hz–10kHz <0.05%

IMD (SMPTE) @ +20dBu Output <0.05%

Hum and Noise (20Hz–20kHz @ Max Preamp Gain)

Equivalent Input Hum and Noise <-128dBu

Residual Output Noise, TRS (All Levels @ Min) <-100dBu

Residual Output Noise, XLR (All Levels @ Min) <-90dBu

Master Level @ nominal (All Levels @ Min) <-80dBu

Master Level @ nominal (1 Channel Level @ Min) <-68dBu

Aux 1/2 Out, Aux Master @ nominal (All chan Aux @ Min) <-88dBu

Aux 1/2 Out, Aux Master and 1 Chan Aux @ nominal <-68dBu

Frequency Response

20Hz–20kHz

+0.5/-1.0dB

50Hz–10kHz +0/-0.5dB

Equalizaon

Low (@ 70Hz, shelving) ±18dB

Mid (peaking, 140Hz–8kHz) ±13dB

High (@ 8kHz, shelving) ±12dB

Crosstalk

Adjacent Inputs, (20Hz–20kHz) <-65dB

Mic Input to Master Output (1kHz) <-65dB

Mic Input to Master Output (20kHz) <-55dB

Metering

VU Meters (Selectable to L/R or Aux Outputs) -21VU to +6VU,

0VU = +4dBu

Peak Indicators Peak Clip indicator on each input channel and

L/R outputs, illuminates 3dB below clipping

Weights, Dimensions & Power

Dimensions 19"W x 5.25"H x 9.4"D (483mm x 133mm x 239mm)

Unit Weight 14.7lbs (6.68kg)

Shipping Weight 19lbs (9kg)

Power Req. 100–240VAC, 50–60Hz, 30W

info@ashly.com |sales@ashly.com |www.ashly.com

Unless otherwise stated, specification conditions are: 150 Ohm source, Input set at "-40", all other controls set at nominal, XLR output into 600 Ohm or greater.

DS-1 1213

The MX-508 is an 8-input stereo rackmountable mixer.

Designed for many applicaons, it has an extensive mix

of features for a small unit combined with excellent sound

and quiet performance.

The MX-508 features 84dB of gain to ensure full output with

low-level or distant microphones. Several years of research

went into the microphone preamp and the result is a discrete

circuit with beer than -129 dBu Equivalent Input Noise (EIN)

and very low distoron. Low and High Shelving EQ combined

with mid-band peaking EQ tunable from 140Hz and 8 kHz

make for a very exible tone control. Phantom power of +48

VDC is provided for condenser microphones via a switch on

the front panel. Each input has its own 20dB pad switch. Vari-

able gain trim and Mic/Line selecon switches are also found

on each input channel. Rounding out the list of standard input

features are a Peak Clip indicator, two Aux Sends (factory-set

with one pre-EQ and level and the other post-EQ and level,

these sends may be modied by a qualied technician), in/out

channel patching, level and pan controls, and both balanced

XLR microphone and TRS Line inputs.

Transformer-balanced Le and Right XLR outputs are

standard, as are balanced Le and Right TRS 1/4" outs.

There is also an independent Mono output with its own

front panel level control, as well as a selectable Headphone

output with Level Control.

There are Pre-Master Sub In/Out patch points for linking

other mixers. Peak Clip indicators are also provided

for the Outputs, and the 10-Segment LED Meters may be

selected to monitor either Program Le and Right or Aux 1

and 2. Maximum output level is +24dB into 600 Ohms.

The MX-508 also has two Master Aux Sends and two

panable Master Aux Returns (one stereo and the other

mono). A 3.5mm stereo line in jack on the front panel

oers a convenient input alternave for MP3 players

and smartphones with level control to the Mains or to

Aux 1. Stereo RCA Outputs are also provided.

The MX-508 combines tradional Ashly quality with

internally modular construcon in a package oering

outstanding value and reliability.

MX-508 Features:

• 3-Band, channel EQ w/ sweepable mid freq center

• Convenient, 3.5mm stereo line in jack on front panel

for MP3 players and smartphones

• 2 AUX sends per channel

• Insert jacks on each channel

• Independent mono output with level control

• Transformer isolated +24dBm 600 Ohm balanced

XLR-stereo program outputs

• Safety/Compliance:



TUV



, CE, FCC, RoHS

Maximum Gain Voltage (±2dB)

Master

Mic Input to Master Output (600 Ohm load) 84dB

Line Input to Mono Output (600 Ohm load) 30dB

AUX Sends

Mic Input to Aux Master 1 Output (Pre-chan level) 80dB

Mic Input to Aux Master 2 Output (Post-chan level) 95dB

SUB Input to Master Output 12dB

AUX Returns

1 or 2 to Master Output 30dB

Stereo Line In to Master Output 27dB



Note: 0dBu = 0.775 VRMS

–

508

arChiteCt & engineering SpeCS

The unit shall be an eight input stereo mixer having separate transformer-isolated balanced outputs for both le and right channels. There shall be an electronically balanced mono summed

output with separate front panel level control. Each input channel shall have level and stereo-balance controls on one concentric pot. Two aux sends on each channel must be provided with one

internally selected pre-fader /EQ and the other post fader/EQ. The Pre/Post determinaon of the Aux sends shall be congurable via circuit board jumper connecons. Each input channel shall

have three-band equalizaon control with adjustable mid-band frequency sweep. The equalizaon shall consist of high and low shelving points being xed at 130Hz and 7kHz, and the mid-band

peaking EQ control must be adjustable between 140Hz and 8kHz. Each input channel shall have 40dB of available gain trim and a switch for mic/line selecon on the front panel, as well as a 20dB

mic input pad on the rear panel. Each input channel shall have in/out insert points on separate 1/4” phone connecons, 1/4” phone connectors for balanced line input sources, and XLR electron-

ically-balanced connectors for microphones. Phantom power of +48VDC on each input must be available via a front panel switch. There shall be two Master Aux Sends provided and two panable

Master Aux Returns (one stereo and one mono). There shall be a front panel 3.5mm stereo line input jack, and an addional back panel stereo line input on RCA jacks, both sharing a single level

control to the Mains or Aux 1. Separate stereo RCA line outputs must also be provided. There shall be Pre-Master Sub In/Out patch points for le and right and Aux Sub outputs on 1/4” phone

jacks for linking other mixers. A selectable Headphone output with level control to monitor either Le and Right or Aux 1 and 2 must be provided on the front panel. Overall gain available from

Mic Input to Master Output shall be 84dB, and the Output level shall be +24dBm into 600 Ohms. The mixer unit shall be no higher than three rack spaces and must be fully covered under a ve

year warranty. The mixer must be manufactured in America, with a shipping weight of 19 pounds. The mixer shall be the model MX-508, manufactured by Ashly Audio, Inc. No other unit shall be

acceptable unless data submied from an independent test laboratory veries that the above size/performance specicaons are met.

The mixer shall be an Ashly model MX-508

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