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APOGEE ACOUSTICS Full Range Ribbon Speaker System, Owner'S Manual And Assembly Instructions

The APOGEE ACOUSTICS Full Range Ribbon Speaker System delivers unparalleled sound quality. To ensure optimal performance and assembly, be sure to download the free comprehensive Owner's Manual and Assembly Instructions from our website. This manual provides step-by-step guidance for setting up and enjoying your exceptional audio experience.

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TABLE CX -1 

 

  

 

 

Load 

  

 

Amplifier 

Resistor 

Amplifier 

 

 

Impedence 

RHI & RLO 

 
Spectral DMA - 100  

10K 

NONE 

 

Perreau 2150   

 

10K 

NONE 

 
ML-3  

 

20K 

20K 

 
Krell (ALL 

MODELS) 

22K 

18.2K 

 
Bryston 4B 

 

 

50K 

12.4K 

 
ML-9  

 

50K 

12.4K 

 
D-90  

 

50K 

12.4K 

 
Threshold   

75K 

11.5K 

 
ML-2  

 

100K 

11.0K 

 
Quicksilver    

200K 

10.5K 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

(Page 9) 

Summary of Contents for Full Range Ribbon Speaker System

Page 1: ...APOGEE ACOUSTICS INC APOGEE FULL RANGE RIBBON SPEAKER SYSTEM OWNER S MANUAL AND ASSEMBLY INSTRUCTIONS ...

Page 2: ... non resonant frequency response Half inch wide tweeter ribbon and two inch wide mid range ribbon are both eighty inches long utilizing patent filed magnetic and electromagnetic constraints that hold the ribbon within its magnetic field This technique affords a combination of unprecedented power and clarity along with transient response and imaging Extremely low ribbon mass permits almost instanta...

Page 3: ...earance with dimensions of 80 inches in height 35 inches width and a depth of under 4 inches The geometry of the three ribbons has been scaled to provide a combination of good power handling capacity dispersion and a balanced tonal quality over the bass midrange and upper frequencies The woofer averages 12 inches in width covering a frequency band of below 25 400Hz the midrange ribbon is two inche...

Page 4: ...MENTS 10 SPECIFICATIONS 11 LOW IMPEDENCE DIRECT DRIVE 12 DIRECT DRIVE CONNECTIONS 13 DIRECT DRIVE RETROFIT PROCEDURE 14 FIGURE 1 Preassembly positioning 15 FIGURE 2 Connection of midrange and woofer 16 FIGURE 3 Position speaker and baseplate 17 FIGURE 4 Attachment baseplate to speaker 18 FIGURE 5 Interface box 19 FIGURE 6 Attachment interface box to plate 18 FIGURE 7 Lifting and positioning 20 FIG...

Page 5: ... of the sonic quality of your music system ASSEMBLY The APOGEE Speaker System is packaged in five cartons Before opening the cartons be sure there is no visible sign of damage and the boxes are placed with the THIS SIDE UP marking facing up 1 Check for the five boxes 2 Midrange Tweeter Boxes 9 x9 x87 designation is MRT L and MRT R 2 Woofer Boxes 9 x34 x87 designation W L and W R 1 Interface Box 21...

Page 6: ...assembly of the speakers Clean boxes to prevent soiling the speaker grill and suede 4 a Turn right woofer W R outer box upside down b Cut strapping and remove outer box c Turn inner box so that rear bottom printing is in up position and toward right speaker position CAUTION Keep fingers away from ribbon d Lift W R by holding at top and bottom and place on boxes A and B as shown in FIG 2 e Remove t...

Page 7: ... in the Top and Bottom steel plates Use the Drift Punch located between the two holes for the alignment b Screw MRT and Woofer together with 3 4 long 1 4 20 flat head Cap Screws A T handle wrench is provided for this purpose c Insert and turn screws 3 4 turns until all 4 screws are started Then evenly tighten all 4 screws d Tighten the screws loosened under item 4 to facilitate the MRT and Woofer ...

Page 8: ...ormly 10 Attach right transformer box to the base plate a Orient the right transformer box woofer plate on lower left when viewing transformer box so that nameplate reads upright See FIG 6 b Secure with 1 2 long 10 32 flat head cap screws at each of four corners Start all the screws 2 3 turns and then uniformly tighten each screw 11 Attach back brace a Remove back brace from plastic bag b Bolt it ...

Page 9: ... of the midrange tweeter and the top half of the suede ear slowly rotate the speaker into the final upright speaker position FIG 7 13 Move speaker to the nominal right speaker position in the room see FIG 8 a Speaker may be readily moved by use of a series of rotations about the vertical axis of the speaker b Hold speaker with left and right hands at positions a and b c Rotate about left corner of...

Page 10: ...turers instructions Pre Amp gain should be set low and then adjusted to listening level Do not make front end system changes while the power is on and speaker connected All such changes should be made with power off and speaker disconnected 4 Connect the Left channel woofer amplifier to the terminals labeled Woofer of the Left speaker transformer box 5 Connect the Right channel woofer Amp to the t...

Page 11: ...able to white post and black cable to black post 3 Connect the Tweeter cables to Tweeter binding posts Red cable to red post and black cable to black post GENERAL CARE 1 The grill may be cleaned with a soft dusting brush 2 The suede may be cleaned with a suede brush be careful not to abraid 3 The base may be polished using a glass cleaner and soft cloth or paper toweling CAUTION Do not vacuum gril...

Page 12: ...d be changed according to table CX 1 Resistors presoldered to gold pins are available form your local dealer These resistors are shown as RHI RLO in figure CX 1 RHI is chosen according to the input impedence of the midrange tweeter amplifier while RLO is selected according to the input impedence of the bass amplifier ADJUSTMENTS The system balance between bass and midrange tweeter is adjustable vi...

Page 13: ...r Amplifier Impedence RHI RLO Spectral DMA 100 10K NONE Perreau 2150 10K NONE ML 3 20K 20K Krell ALL MODELS 22K 18 2K Bryston 4B 50K 12 4K ML 9 50K 12 4K D 90 50K 12 4K Threshold 75K 11 5K ML 2 100K 11 0K Quicksilver 200K 10 5K Page 9 ...

Page 14: ...0 kHz It should be noted that this control attenuates both the midrange and tweeter relative to the bass The tweeter control is operated by a toggle switch on the rear of the transformer box The normal position is with the switch DOWN With the switch UP a 1 dB response gain is added from 10 kHz to above audibility With the switch in the MID position a 1 dB response attenuation is implemented ADJUS...

Page 15: ...low 25 30 kHz Sound Pressure Level 115 dB at 4 meter listening position in a 14 by 27 foot room utilizing 100 watt amplifiers bi amped Nominal Impedance 4 ohms Dimensions 80 x 35 x 4 Weight 300 lbs Net weight for one speaker with interface box Warranty 5 yr limited warranty see statement for details Page 11 ...

Page 16: ...ctions are with Fisher Speaker Connectors 5 The Passive Crossover supplied must be used for proper contouring 6 Midrange Tweeter adjustment resolution is dB HOOK UP Connection of the Direct Drive is as follows 1 All connections to the Interface Box follow the convention Red Right Black Left 2 Connect the Woofer directly to the bass Amp using the Fisher Connector 3 Connect the tweeter to the Interf...

Page 17: ... page13 ...

Page 18: ... to the speaker wire Clean with flux remover 7 Cut the black wire at the mark 8 Repeat steps 4 5 and 6 for the black wire using the black Fisher cap 9 Repeat steps 1 8 for both midrange speakers 10 Measure each tweeter cable and mark at 6 with a magic marker 11 Cut the red lead Do not cut the black lead 12 Strip 3 8 of insulation from the red lead and separate the cables by cutting the web for 3 1...

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