文档介绍：RECONE PROCEDURE FOR CONE LOUDSPEAKERS
MODELS
This instructions is prepared for the following models:
MODEL
RECONE KIT
12F400B 8 OH
RK 12F400B
15F400MB 8 OH
RK 15F400MB
12N800MB 8 OH
RK 12N800MB
15N800MB 8 OH
RK 15N800MB
18N1200B 8 OH
RK 18N1200B
18N1200BN 8 OH
RK 18N1200BN
TOOLS AND SUPPLIES
TOOLS AND SUPPLIES REQUIRED
Soldering iron, solder, glue, plastic spacer, razor knife, tweezers, masking tape, epoxy glue (NOT SUPPLIED), cloth rags, methyl ethyl ketone (MEK), cotton swabs, and, if possible, audio oscillator and amplifier.
MATERIALS SUPPLIED
Tube of Beyma glue (blue color), Latex (white color), Plastic spacer, Moving parts, gaskets, dust cap.
PREPARATION
Using razor knife, remove old cone-coil assembly, and clean with MEK the surfaces, where suspension and surround will mount, of old parts and glue.
PREPARATION
Unsolder the old voice coil leads from terminals.
PREPARATION
Fold a piece of masking tape lengthwise around a piece of cardboard (70 mm x 25 mm x 1 mm), with adhesive side exposed and insert it in the air gap and rotate. Repeat this until tape remains clean when withdrawn. Check gap with magnifying light. Clean top plate and of any debris.
INSTALLATION
Using the tube of Beyma glue supplied, apply a bead of glue on frame surfaces where suspension and surround will mount, and also over the spider and surround. Wait for 3 minutes.
INSTALLATION
Insert the plastic spacer into the new voice coil assembly, allowing overhang 10-12 mm below bottom of voice coil. Slide spacer tube over the pole piece and down into gap, making sure tinsel leads on assembly are aligned properly with terminals on frame. Carefully guide voice coil assembly down spacer onto frame and into proper position.
Take a small rag dipped in MEK and use it to press down on spider where it joins the frame. Work back and forth to even out spider and secure bond on frame. Repeat for surround, working out bumps.
INSTALLATION
Spread white glue over the surround using