For Sale

Two Manuals

for the 

YAMAHA RA-100 Speaker.

Service Manual Contents:

* Schematic for Overall Circuit

* Schematic & Circuit Board Diagrams for the Tremolo Unit.

* Power Supply Circuit Diagrams (5 in all) for:

1) Australian Model

2) European Model

3) General Model

4) South African Model

5) U.S. & Canadian Models

 

Plus Adjustments for Output Power of Volume, Bass, Treble, and Reverb to keep the distortion factor under 3%

Frequency Response: Four written instructions are given along with a graph. 

Treble & Bass Control Characteristics

Reverb Sensitivity Adjustment

Reverb Drive IC Idling Current Adjustment

Tremolo Speed

Noise Level

Block Diagram

Specifications

Partial Changes made for:

Power Switch: European & Australian Models Only

Tremolo Transformer: General & South African Models Only

Tremolo Transformer: European & Australian Models Only

The Service Manual has seven 11" x 17" fold-out pages plus one regular size page.

Owner's Manual Contents:

Accessories

Connections

Operation

Parts and Controls

Precautions

Specifications

Owner’s Manual has seven regular size pages.

Both manuals are complete, clear reprints in very good condition.

Airmail Shipping

No customs import duty charges for this shipment.

Protected in a clear waterproof covering and placed in a well sealed package with a cardboard insert.

Thank you from Canada.