EFTA00651656.pdf

From: To: "Je vacation" <jeevacation®gmail.com> Subject: Fw: Sub-woofer Date: Tue, 22 Oct 2013 15:23:57 +0000 Importance: Normal Jeffrey, I just landed in palm bch, I need to obtain Feny Permit for Gil closing with FAA in Fort Lauderdale„ Here is explanation why Eric shop didn't wire SUBs /out of receiver: Larry, > We contacted the engineer and asked the question about the sub out. > His response - the sub out was not used because the car audio head unit > needed to be integrated to the existing cabin audio equipment and it would > not have worked through the headphone amplifier. > To put this in the clearest way possible the NC unit does not go directly > to the car audio amplifiers that were installed. It goes to the aircraft s > headphone amplifier and then to the volume control module allowing the page > system to cut / override the system in the event of an emergency, and volume > control for the master switch's as well as audio selection. Then it feeds > back to the amps and out to the speakers. By hooking up the subwoofer out > (which is one RCA instead of the required two) the cross feed to the > speakers would be uncontrollable. By using the RCA outs front and Rear it > is possible to control the bass both at the head unit and at the amplifiers. > DANIEL GAROFALO I AVIONICS > P www.intljet.com Original Message From: Jay Massar To: Lawrence Visoski To: Eric Roth To: Dan Garofalo Subject: Sub-woofer Sent: Oct 22, 2013 10:00 AM > We contacted the engineer our and asked the question about the sub out. > His response - the sub out was not used because the car audio head unit > needed to be integrated to the existing cabin audio equipment and it would > not have worked through the headphone amplifier. > To put this in the clearest way possible the NC unit does not go directly > to the car audio amplifiers that were installed. It goes to the aircraft's > headphone amplifier and then to the volume control module allowing the page > system to cut / override the system in the event of an emergency, and volume EFTA00651656 > control for the master switch's as well as audio selection. Then it feeds > back to the amps and out to the speakers. By hooking up the subwoofer out > (which is one RCA instead of the required two) the cross feed to the > speakers would be uncontrollable. By using the RCA outs front and Rear it > is possible to control the bass both at the head unit and at the amplifiers. > DANIEL GAROFALO I AVIONICS > F www.intljet.com > 2221 Smithtown Avenue, Long Island MacArthur Airport, Ronkonkoma, New York, 11779 > On Oct 22, 2013, at 8:05 AM, wrote: » Hello Eric, Jay and Dan, >> Jeffrey needs an explanation why the "Sub-out" was not utilized during > this install. Having Sub woofer out operational would give better control on > BASS, especially since we are getting a BASS freq to the PSU speakers. >> Jeffrey needs an email today explaining why SUB/OUT is inop per the > install please. >> Copy jeffrey and I on this email Dan, thx. » Thx » Larry >> Sent via BlackBerry by AT&T Sent via BlackBerry by AT&T EFTA00651657