First Watt

F8

Introduced 2020$4,000 MSRP

Two-stage single-ended Class A power amplifier by Nelson Pass with a JFET input and power MOSFET output, evolved from the F7 with simpler circuitry and modest feedback.

MSRP

$4,000

Used market · Excellent

$3,300est.

-18% vs MSRP
as of Aug 15, 2026

MSRP to used market

From $4,000 at launch to $3,300 today (estimated).

Specifications

Type
power amplifier
Inputs
RCA line
SNR
100 dB
Outputs
1 speaker pair
Topology
Single-ended Class A, JFET/MOSFET two-stage
Weight
32 lbs
THD
0.1%
Power output
25W/ch into 8 ohms

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