Samson B90 Specifications, Rated Input Level @ 1 kHz, Signal To Noise Ratio re 1 Wrms @ 1 kHz

Specifications

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)

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