First Watt

SIT-3

Introduced 2017$4,000 MSRP

Limited-production Nelson Pass design built around a single static induction transistor (SIT) gain device per channel, run single-ended Class A. Only 250 units were made.

MSRP

$4,000

Used market · Excellent

$3,600est.

-10% vs MSRP
as of Aug 15, 2026

MSRP to used market

From $4,000 at launch to $3,600 today (estimated).

Specifications

Type
power amplifier
Inputs
RCA and XLR line
SNR
100 dB
Outputs
1 speaker pair
Topology
Single-stage SIT (static induction transistor), single-ended Class A
Weight
32 lbs
THD
0.02%
Power output
18W/ch into 8 ohms, 30W/ch into 4 ohms

Active listings (0)

No active listings for this component right now.

Similar but better

Matched by the Audiophilia engine on character, specs and market position.