Description
The First Watt F7 is not just an amplifier — it’s an expression of philosophy. Designed by legendary engineer Nelson Pass, it represents the idea that simplicity, when executed perfectly, can outperform complexity. With only two gain stages and no degeneration, the F7 offers a direct, intimate connection to your music that few amplifiers can match.
This is an amplifier for those who listen deeply. Its presentation is fluid, organic, and remarkably transparent, revealing subtle textures and tonal colours with a natural ease. Paired with efficient loudspeakers, the F7 creates a wide, dimensional soundstage with lifelike dynamics and an almost tube-like harmonic richness — yet with the control and authority of solid-state design.
Collectors and audiophiles value the First Watt series for its limited production and experimental spirit. The F7 stands as one of the most musically engaging models in the lineup — a rare opportunity to own a piece of modern high-end audio history. If you seek emotional involvement over raw power, the F7 is a must-have centerpiece for any refined listening system.
Technical Description
Design Topology:
Pure Class A operation
Push-pull solid-state design
Two-stage amplification circuit
No degeneration in gain stages
Static Induction Transistor (SIT-like) harmonic character
Designed by Nelson Pass
Power Output:
25 watts per channel into 8 ohms
25 watts per channel into 4 ohms
Stable into low-impedance loads (with appropriate ventilation)
Frequency Response:
10 Hz – 100 kHz (-1 dB)
Distortion:
< 1% THD at rated power
Predominantly second-order harmonic profile
Low overall negative feedback (~14 dB)
Gain:
20 dB
Input Sensitivity:
Approximately 1.3 V for full output
Input Impedance:
100 kΩ
Damping Factor:
Approximately 14
Inputs:
1 × RCA single-ended input
Outputs:
2 pairs of 5-way binding posts (stereo)
Power Consumption:
Approximately 200 watts (constant due to Class A bias)
Dimensions (W × D × H):
17" × 12" × 4.75" (approx. 432 × 305 × 121 mm)
Weight:
Approximately 19 lbs (8.6 kg)
Build & Construction:
Heavy-duty aluminum chassis
Large heat sinks for thermal stability
Hand-assembled in the USA
Minimalist front panel with signature industrial aesthetic
Special Features:
Direct-coupled signal path
High current capability
Limited production First Watt model
Optimised for high-sensitivity loudspeakers
The First Watt F7 is a celebration of elegant engineering — low power, high purity, and uncompromising musicality. For the listener who understands that the first few watts matter most, the F7 offers an unforgettable Class A experience.
