Samson B90 Stereo Amplifier User Manual


 
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1. Rated Output Power (@ 1 kHz, 4 ohm, 5% THD)
B20 20 Wrms
B30 30 Wrms
B60 60 Wrms
B90 90 Wrms
2. Rated Input Level (@ 1 kHz)
Input 1 -20 dBu
Input 2 -10 dBu
3. Total Harmonic Distortion (@ 1 dB below rated output, 1 kHz typical)
B20 0.2%
B30 0.3%
B60 0.05%
B90 0.07%
4. Signal To Noise Ratio (re: 1 Wrms @ 1 kHz)
B20 67 dB
B30 60 dB
B60 64 dB
B90 70 dB
5. Dynamic Range (re: Rated output @ 1 kHz)
B20 80 dB
B30 75 dB
B60 80 dB
B90 90 dB
6. Signal Gain
Input 1 to Line Out / Preamp Out +24 dB (B20), +24 dB (B30)
+28 dB (B60), +30 dB (B90)
Input 1 to Speaker Out +48 dB (B20), +55 dB (B30)
+57 dB (B60), +61 dB (B90)
Input 2 to Line Out / Preamp Out +14 dB (B20), +14 dB (B30)
+18 dB (B60), +20 dB (B90)
Input 2 to Speaker Out +38 dB (B20), +45 dB (B30)
+47 dB (B60), +51 dB (B90)
7. Equalizer
Low (100 Hz) ±15 dB
Mid (830 Hz) ±15 dB
High (5 kHz) ±15 dB
8. Headphone Output 200 mW (typical) @ 600 ohms
9. Fuse Type 3AG fast-acting (US & Japan), 50T time delay (UK & European)
10. Fuse Rating
US & Japan 0.5A (B20), 1.0A (B30), 2.0A (B60), 3.0A (B90)
UK & European T250M (B20), T500M (B30), T1M (B60), T1.6M (B90)
Specifications