Type 1840H Headphone Measuring System
Main Functions
The
following items of earphone and headphone can be measured:
(1) Frequency response
(2) Sound pressure sensitivity at 1 kHz (1 kHz can be changed)
| Catalogue | Continue | Example of Testing Screen |
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The fundamental combination of Type 1840 H |
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Item |
Model No. |
Description |
Usage |
|
1. |
184 |
Electro acoustic Analyzer |
Mainframe. To control and process the input、 output signal. |
|
2. |
Monitor & Keyboard |
High Resolution Color Display Monitor &Keyboard |
Display the tested results & data and key in data. User may buy these two items at his local market, since price is cheaper and can save freight charge and import tax. |
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3. |
142EH |
Artificial Ear ( 142 EH = IEC - 318 ) |
Receives the sound generated from the headphone. 142EH is more suitable than Model-142EA-S for testing the headphone, since its frequency range is wider. |
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4. |
X-Y Mouse |
Mouse |
Replace the upward, downward, leftward, rightward and enter keys on the keyboard. |
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5. |
HP Printer ( Option ) |
Printer (All the HP DeskJet or HP Laser Printers that are supported by DOS can all be used.) |
Print out the tested results & data. |
The items that can be tested by 1840H is much more lesser than Type 1600H does, it can only test the frequency response curve and sensitivity of the receiver, but its test speed is faster.
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