Sound Decoder: SDH164D SoundFX
Wired Mobile Decoder for HO Locomotives
Master Volume: CV58= 9 to 15, Diesel CV60=1, Bell CV141=64 Max., Horn CV142=64Max.
Speaker: One SP26158B Rectangualr 26.5mm x 15.5mm x 9mm, 8 Ohms 0.5W
One SP53188B 53mm X 18mm X14mm, 8 Ohms 0.5W
Speakers are wired in series.
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|
Diesel Horn |
|
|
880Tone Sine Wav. |
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Horn & 880 Hz together |
|
Factor |
|
|||||
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|
dB@4' |
CV58 |
MtoP |
|
dB@4' |
CV58 |
MtoP |
|
dB@4' |
CV58 |
MtoP |
|
x 0.71 |
|
|
|
69 |
15 |
4.15 |
|
65 |
15 |
4.30 |
|
69 |
15 |
4.30 |
|
3.05 |
Vrms |
|
|
68 |
12 |
4.10 |
|
64 |
12 |
4.25 |
|
Each 0.5 W Speaker is O.K. |
|
16 Ohm |
Load |
||
|
|
66 |
9 |
3.95 |
|
62 |
9 |
4.20 |
|
+0 dB |
0.55 |
x 1.0 = |
|
0.55 |
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 9 Aug. 2012