MACK Products              Model Marine
RAM/MP70RC    by MACK   This   unit   is   a   digitally   recorded   sound   track   of   a   dual   tone   air   horn   used   by   both   pleasure   boats and   yachts,   as   well   as   commercial   boats.            The   unit   is   powered   by   a   9   volt   transistor   battery (not   supplied),   and   is   activated   from   an   open   channel   on   your   transmitter.      The   unit   is   supplied with   a   3   inch   speaker   wired   with   40   inches   of   wire,   allowing   the   speaker   to   be   placed   anywhere in   the   model.      It   is   suggested   that   you   place   the   speaker   in   an   enclosure   or   speaker   box   to amplify   the   sound.      Remember   to   have   openings   in   the   superstructure   to   allow   the   sound   to escape from inside the hull.   Price:  $ 58.00                                                         
RAM 70 - Air Horns   (yachts, tugs)  This is a digitally recorded sound with a 2" speaker and runs on 9-18 volts. Price:  $ 38.00                
7040  Electronic "3 Tone" Super Loud Siren by MACK This   unit   produces   three   entirely   different,   very   loud,   siren   sounds, which   are   selected   by   the   use   of   a   3-position   switch.      This   is   the perfect   answer   for   equipping   your   fire   boat,   police   boat,   Coast   Guard vessel,   etc.      The   unit   can   be   powered   from   the   main   power   batteries with    voltages    of    9    to    16    volts,    eliminating    the    need    to    carry    a separate   9   volt   battery   or   regulator.      It   is   completely   wired   with   a   3 inch speaker and micro trigger switch.  Weight: 3 oz .  Price:  $31.00
7214-X9 Voltage Regulator         by MACK These   units   have   high   efficiency   switch   mode   providing   better heat    dissipation    than    linear    voltage    regulators.        Shielded    PCB design   and   output   EMF   coil   makes   a   stable,   low   noise   voltage output.      Reverse   polarity   is   built   in.      Has   2   to   5   cell   LiPo,   7.2   to   21 volt input.       Output is  X9 - 9 volts, 3 amp. Price:   $11.00
Sound
7005   3" Square Loud Speaker       by MACK Replacement   speaker   for   sound   systems   such   as   Robbe,   Ram,   Dynamic, etc. using 6 or 12 volts.    VERY   LOUD ,   almost   twice   as   loud   as   stock   speakers.   ERY   LOUD,   almost twice as loud as stock speakers. Price:  $15.00
Click on the RAM logo to hear their sounds.
This   is   an   example   of   what   makes   up   a   non-digitally   recorded   sound system.  Used in:   RAM 41, 46 and 48.   
RAM 46 - Machine Gun Sound   Adjustable rate and resonance,   6-18 volts              Price:  $33.25 RAM 48 - Steam Engine Sound  Magnetic sensor adjusts to speed, 4" speaker, 6-14 volts Price:  $47.50              
703S      Sound   Package   for      #   703      1963   Lyman   25'   Soft   Top   Sleeper,    #   707   1952   Century   Sea Maid 18'   AND  # 704  1930 Dodge 21'6" Split Cockpit Runabout. Includes   3"   diameter   speaker,   micro-switch   w/bracket,   hook-up   wire,   and   9   volt   transistor   battery plug. Price:  $48.00                                                                                                                                                                
This is an example of a digitally recorded sound system.  It makes up all of the following sound units.    
RAM 61 - Whooper   destroyer speed alarm,  2" speaker,  9-18 volts                  Price:  $38.00 RAM 63 - Fog Horn   Classic two-tone sound w/servo switch, 4" speaker,   6-14 volts        Price:  $38.00 RAM 67 - Ship Alarm Buzzer (klaxon)   2" speaker,  9-18 volts              Price:  $38.00    RAM 68 - Sub Sonar Ping (destroyer)  2" speaker,   9-18 volts Price:  $38.00   RAM 69 - Sub Dive Alarm (ah-oo-ga)  2" speaker,   9-18 volts Price:  $38.00   RAM 70 - Air Horns   (yachts, tugs)  2" speaker,   9-18 volts Price:  $38.00   RAM 71 - Big Ship Whistle  (ocean liners, ships, freighters)  2" speaker,  9-18 volts Price:  $38.00  RAM 72 - Railroad Steam Whistle (steam tugs, steam river boats, ships)  2" speaker, 9-18 volts  Price:  $38.00  RAM 73 - Railroad Diesel Horns  (work boats, small tugs)  2" speaker,   9-18 volts Price:  $38.00                                                                RAM 77 - Steam Calliope   2" speaker,    9-18 volts Price:  $38.00 RAM 78 - Riverboat Steam Whistle  2" speaker,   9-18 volts Price:  $38.00                                               
RAM 80 - Old Time Steam Whistle  2" speaker,   9-18 volts  Price:  $38.00  RAM 81 - 16" Deck Gun  2" speaker,  9-18 volts  Price:  $38.00  RAM 82 - Tug Boat Horn   2" speaker,  9-18 volts   38.00  Price:  $38.00         RAM 38 - Gas/Diesel Engine Sound & Horn   4" speaker,  adjustable idle, topspeed, horn,   6-14 volts   Price:  $47.50   RAM 40 - Gas/Diesel Engine Sound & Horn   2" speaker,  adjustable idle, topspeed, horn,   6-14 volts  Price:  $47.50
This is the set up used in RAM 38 and RAM 40.     RAM 40 with the 2-inch speaker is shown.  RAM 38 is the same except that it has a 4-inch speaker.