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.   VERY 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 81 - 16” Deck Gun  2” speaker,  9-18 volts  Price:  $38.00 RAM 82 - Tug Boat Horn   2" speaker,  9-18 volts      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.
RAM 80 - Old Time Steam Whistle  2” speaker, 9-18 volts
Price:  $38.00
 RAM 77  - Steam Calliope,   2” speake,  9-18 volts  Price:  $38.00             
RAM 78 - Riverboat Steam Whistle  2" speaker,   9-18 volts Price:  $38.00