Manley Labs 300B owner manual Specifications

SPECIFICATIONS

Vacuum Tubes:		2 x 300B (Output), 1 x 6SN7 (Driver),
		1 x 6SL7 (Input) 2 x 5U4 (Rectifier)
Output Power @ 1Khz		SINGLE-ENDED: 5 dB FB - 11 Watts @ 3% THD.
		PUSH-PULL: 5 dB FB - 24 Watts @ 1.5% THD.
Frequency Response +/- .5 dB			SINGLE-ENDED: 5 dB FB - 15 Hz - 15 Khz
(measured at 5 watts)			PUSH-PULL: 5 dB FB - 10 Hz - 20 Khz
Input Sensitivity @ 5db FB			SINGLE ENDED: 700mV.
			PUSH-PULL: 450mV.
S/N Ratio	SINGLE ENDED: 83.5dB Ref. 1W; 2.83v//8 ohms,20Khz BW; 5dB FB.
	PUSH-PULL: 85.4dB Ref. 1W; 2.83v//8 ohms; 20Khz BW; 5dB FB.
Dynamic Range		SINGLE ENDED: 94dB Ref. 3% THD; 20KHz BW; 5dB FB.
		PUSH-PULL: 99.5dB Ref. 1.5% THD; 20KHz BW; 5dB FB.
Input Impedance		1 M Ohm, direct coupled.
Load Impedance		4 to 12 Ohm appropriate for 4 & 8 ohm speakers
		12 to 20 Ohm appropriate for 16 ohm speakers
Power Consumption			240 Watts
Mains Fuse			100, 110, 120V	3 A (Slo-Blo)
			220, 240 V	1.5 A (Slo-Blo)
B+ Fuse			400 mA, (Slo-Blo) Ceramic Body.
Lamp			1/4" X 1 1/4" Linear lamp - 8 volt, 0.3 amp
Dimensions			W= 8.5, D= 11, H= 9 inches,
			Including projecting controls & parts.
Shipping Weight			41 lbs. Each.