KB340: SDH164D with One SP26158B Rectangular Speaker and a 5 ohm resistor compact box enclosure.

This article was last updated on Nov. 13, 2013, 8:17 a.m. | Print Article | Leave Feedback

Sound Decoder:  SDH164D SoundFX

Wired Mobile Decoder for HO Locomotives

1x8box5res.jpg

Master Volume: CV58=9 to 15, Diesel CV60=1, Bell CV141=64 Max., Horn CV142=64 Max.

Speaker: one SP26158B Rectangular 26.5mm x 15.5mm x 9mm, 8Ohms 0.5W Compact Box

Speaker with enclsure & wires

A 5 Ohm 1/2W resistor in series with the speaker.

 

 

         Diesel Horn

 

 

    880Tone Sine Wav.

 

  Horn & 880 Hz together

 

Factor

 

 

dB@4'

CV58

MtoP

 

dB@4'

CV58

MtoP

 

dB@4'

CV58

MtoP

 

x 0.71

 

 

67

15

 4.00

 

65

15

 4.15

 

67

15

4.15

 

2.95

Vrms

 

65

12

 3.95

 

64

12

 4.10

 

 0.5 W Speaker O.K. with 5 ohm Res.

 

13 Ohm

Load

 

64

9

 3.75

 

63

9

 4.05

 

 +0 dB

 0.70

x 1.0 =

 

0.70

 Watts

 

The Generic Steam Diesel Scheme_38a  download by a PR3, and the Bell is replaced with a Tone880Hz.wav

 

The dB@4' by Bob Frey with a SOUND LEVEL METER  Range:  40 dB to 85 dB                  11 Aug. 2012

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