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10/14/12 at 8:24am - last bumped: 10/21/12
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This Classified is Closed

For Sale:
SOLD: First Watt F1 - Active Current Source Power Amplifier - by Nelson Pass

Will Ship To: US Only

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Balanced single-ended - Pure Class A - Incredibly quiet (100 pico-watts noise) Perfect for driving AKG K1000 headphones. Includes User Manual and Power Cord. Excellent Condition.

 

Built by Nelson Pass

 

Review by Srajan Ebaen of 6 Moons:

 

http://www.6moons.com/audioreviews/firstwatt/firstwatt3.html

 

SPECIFICATIONS:

 

Input Impedance, Balanced - 100 Kohms, 8 ohm load

Input Impedance, Unbalanced - 50 kohms, 8 ohm load

 

Output impedance 80 ohms

 

Output power @ 8 ohms: 10 wattts @ 5% THD 1 KHz

Output power @ 4 ohms:  6 wattts @ 5% THD 1 KHz

Output power @ 16 ohms: 9 wattts @ 5% THD 1 KHz

 

Gain: 14 dB @ 8 ohms

 

Maximum output voltage: +/- 20 volts

 

Maximum output current: +/- 1.75 amps

 

Frequency response: -3 dB @ 3 Hz, 100 KHz

 

Noise:30 uV unweighted, 20-20,000 Hz, 8 ohms

 

Power Consumption: 200 watts (100 watts per channel)


Edited by tmarshl - 10/25/12 at 8:28am
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