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SIMA W-2050 & W-3050 Stereo Power Amplifiers
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The W-2050, at 50 watts per channel into 8 ohms, was introduced as
lower powered alternative to the W-2002 and W-2003 amplifiers, with
the goal of maximum sonic transparency. Several years later SIMA
introduced the W-3050 (also 50 watts per channel into 8 ohms) which
produced more output current, increased gain and a quicker transient
response than the W-2050.
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| MODEL |
W-2050 |
W-3050 |
| Production Dates |
1987 - 1988 |
1988 - 1992 |
| Type |
Solid State |
Solid State |
| Configuration |
Stereo |
Stereo |
| Class Of Operation |
AB |
A/AB |
| RCA Input |
1 per channel |
1 per channel |
| Balanced Input |
None |
None |
| Input Device Type |
J-FETs |
J-FETs |
| Input Impedance |
22,000 ohms |
22,000 ohms |
| Input Sensitivity |
500mV |
500mV |
| Output Device Type |
Bipolars - 2/channel |
Bipolars - 4/channel |
| Output Binding Posts |
1 set per channel |
1 set per channel |
| Output Power @ 8 ohms |
50 Watts |
50 Watts |
| Output Power @ 4 ohms |
90 Watts |
100 Watts |
| Output Power - Bridged Mono |
- |
200 Watts |
| Bandwidth +0/-3dB |
1Hz - 80kHz |
1Hz - 100kHz |
| Gain |
26dB |
27dB |
| Dynamic Headroom |
3dB |
6dB |
| Signal-to-noise Ratio |
> 95dB |
> 98dB |
| Maximum Output Voltage |
25 |
28 |
| Slew Rate |
50V/µs |
60V/µs |
| Maximum Peak Current |
16 amperes |
32 amperes |
| Crosstalk @ 1kHz |
-94dB |
-97dB |
| Intermodulation Distortion |
< 0.05% |
< 0.05% |
| THD (20Hz - 20kHz @ 1 watt) |
< 0.05 % |
< 0.05 % |
| Shipping weight |
15 lbs |
32 lbs |
| Dimensions |
19 x 3.5 x 9.25 inches |
19 x 5.25 x 14 inches |
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