Proudly making Quest AV equipment in Australia since 1988
also t/a Quest Electronics® and Quest AV®
Phone and SMS ... 0431 920 667Mail ... POB 348 Woy Woy NSW 2256
The MD12 is out of productionsince February 2017.We still provide service.
INPUTConnector: Male and Female XLR's for loop-throughImpedance: 100K Ohms nominal (high Z / bridging)Coupling: Transformer isolatedGround: Floating or connected, front panel switchLevel: -16dBu min to +24dBu max for +4dBu outputGain: ±20dB, front panel recessed controlOUTPUTConnectors: 12 x XLR Male, 6 x 6.35mm 3p Jack, 6 x RCAImpedance: 600 Ohms nominal, to feed high Z loadCoupling: Outputs seperately transformer coupled and isolatedGrounds: Floating or connected, individual switch on each o/pLevel: Line: +4dBu nominal Mic: -36dBu nominalSelected by individual switch on each outputFreq. Resp: -3dB @ 15Hz and 30KHz @ -6dBuDistortion: <0.1% @ 1KHz, +4dBuS+N:N: >90dB, unweighted, wideband
GENERALAC Supply: 240Vac (default) +/- 20%, <7VA (120Vac to order)Built-in thermal and over-current protection.Dimensions: 482.6 x 210 x 2RU (88mm) overall,W x D x H with rack ears fittedWeight: 3KgAccessories: Supplied with IEC-style mains cableOther features: •Loop-through bridging input•Level meters on front and rear panels•Rack-mounting is reversible, default shown•Power socket is reversible, default shown•Each user has their own controls•All aluminium chassis•Low power consumption
OurMD12isa2Uhighrack-mountaudiodistributionamplifierspecificallydesignedtodistributea professional quality mono audio signal to the Media.
the associated XLR for maximum versatility.Theoutputscanbeusedinanycombinationof balanced,unbalanced,grounded,ungrounded,line levelandmicrophonelevel.Thesettingsand connections of any output will not affect the others.Inputlevelsfrom+24dBudownto-16dBumaybe adjusted for +4dBu line level output.Therackmountinghardwarecanberemovedor reversedandthemainsconnectorcanbeontheinput (default) or output panel.
Theinputpanelhasahighimpedancebalancedline levelinputwithmaleandfemaleXLR'sforlooping through,±20dBscrewdriveraccessiblegain adjustment, l.e.d. level meter and ground lift switch.Ontheoutputpaneltherearetwelveaudiooutputsand alevelmeter.Alloutputsareelectricallyisolatedand eachoutputhasit'sownline/mic.levelswitch(0dB/ -40dB) plus a ground lift switch.Sixoutputshavea6.35mmstereojacksocketandthe othersixhaveanRCA/Phonosocketinparallelwith