ALD Division
© GN ReSound ALD Division 2004
Last updated
February 21, 2008
CHARGER, TRANSETT 904 C
This is a time-controlled charger designed for all transmitters and receivers in the 904-system. It takes approx. 14 hours to charge a battery. There is a charge indicator lamp showing red during charging and green when the charging is complete and the battery is being trickle charged.
This charger can be used as a stand-alone charger, but it is also possible to connect up to 13 units. It can be placed on the table or mounted on the wall. When connecting three or more units, wall mounting is recommended.
“Charger, Transett 904 C” needs a battery eliminator. It is sold separately. For 1-2 units PS, Transett 904PS2 should be used and for 3-13 connected units PS, Transett 904PS13 should be used.
Ordering number: 414 05 25
PS, TRANSETT 904PS2
This battery eliminator is needed to Charger, Transett 904 C if you use it as a stand-alone charger or if two chargers are connected.
Ordering number: 704 83 11
Ordering number: 411 04 73
NECK HOOK FOR TR. 904 T
When buying a Transett 904 T, a neck hook to hold the transmitter is included, but it is also sold separately. The neck hook can be adjusted up and down and the angle between 904 T and the hook can also be adjusted.
Ordering number: 414 02 10
NECK LOOP
With a neck loop the person using a hearing instrument can pick up the sound. The neck loop is connected to the Transett 904 unit using an adapter.
Ordering numbers:
Neck loop:
414 04 60
Technical data
Technical data
| Charging current: |
30-35 mA. |
| Float charging: |
7-10 mA. |
| Charging time: |
14 hours. |
| Time before new charging: |
5-7 s. |
| Length: |
84 mm. |
| Width: |
46 mm. |
| Height: |
34.5 mm. |
| Weight: |
120 g. |
| Output voltage: |
12 V. |
| No. of 904 C units: |
1-2. |
| Length x width x height: |
48 x 48 x 75 mm. |
| Weight: |
220 g. |
Technical data
Technical data
| Output voltage: |
15 V. |
| No. of 904 C units: |
3-13. |
| Length x width x height: |
63 x 51 x 100 mm. |
| Weight: |
459 g. |
Technical data
| Sensitivity: |
68 mV gives 100 mA/m. |
| Resistance: |
25 Ohm ±1.5 Ohm. |
| Inductance: |
0.66 mH. |
| Cut-off frequency: |
6 kHz, -3 dB rel. 1 kHz. |
| Circumference: |
90 cm. |
| Diameter: |
28.6 cm. |
| Thickness: |
4.5 mm. |
| Weight: |
25 g. |
| Colour: |
Dark grey. |
| Pin: |
DIN. |
Ordering number: 411 03 30
MIC, LAPEL 1.2 M, 3.5 MM, INV.
This microphone is attached to the clothes with the enclosed clip.
Technical data
MIC, 3-IN-1 FOR 904
Adaptable headset. You have three wearing options: adjustable headband, flexible ear hook or adjustable ear ring.
Ordering number: 411 03 39
Technical data
Ordering number: 411 03 43
MIC, NOISE CANC, FOR 904
Comfortable headset to wear behind the back of the head.
Technical data
| Frequency range: |
100-15000 Hz. |
| Sensitivity: |
89 dB SPL/1 mW. |
| Type: |
Electret microphone. |
Ordering number: 200 60 20
HEADPHONES, 3.5 MM
Practical headphones with great wearing comfort.
Technical data
| Drive unit: |
ø30 mm. |
| Impedance: |
32 Ohms. |
| Frequency response: |
50 Hz-16 kHz. |
| Sensitivity: |
98 ±3 dB at 0.179 V 1 kHz 1 mW. |
| Max input power: |
100 mW. |
Ordering number: 414 10 03
CASE FOR 2 PIECES OF TRANSETT 904
This practical plastic case has compartments for the parts included in the 904-system. With this case it is easy to carry around the 904-system.
Technical data
| Width: |
23 cm. |
| Length: |
27 cm. |
| Height: |
8 cm. |
Adapter, DIN fem. 3.5 mm, inv.: 411 04 50
| Mic type: |
Ultra Noise Cancelling. |
| Mic sensitivity: |
-39 dBV/Pa ±3dB at 4.4 kOhm load. |
| Speaker sensitivity: |
25 dB Pa/V ±3dB. |
| Max output: |
118 dB SPL. |