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First Watt SIT 4 Class A
First Watt SIT 4 Class A
First Watt SIT 4 Class A
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First Watt SIT 4 Class A

Marsoni M251S
Sale price$4747.50
Pay 4 payments of $1186.88 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
First Watt SIT 4 Class AThe SIT 4 is the First Watt power amplifier using the industrial grade Static Induction Transistors. It is preceded by the ground breaking SIT 1, 2, and 3 and follows their technical philosophy and construction. An important difference in the SIT 4 is the SIT device itself. The previous three designs used Silicon Carbide to make a custom vertical power Jfet with a low impedance Drain whose character nicely emulated a power Triode tube, but directly
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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4.8 ★★★★★
Based on 205 reviews
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Verified Purchase
Cathy
Lowell, US
★★★★★ 4
Buy the book, too.
Format: Paperback
Somehow I got confused that this was the book AND the workbook; it is not, you must buy each separately. But from what I've read so far, the book says "out loud" what I've frequently thought to myself or felt in my heart. Wish I'd had this 40 years ago!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 5, 2023
M
Verified Purchase
Michele T Malan
Birmingham, US
★★★★★ 5
Just what I needed
Format: Paperback
Looking forward to using it
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 1, 2024
A
Verified Purchase
Amazon Customer
Massapequa, US
★★★★★ 3
Disappointed
Format: Paperback, Format: Paperback
The item was a new purchase. However, several pages were folded; it's a journal that goes with the other two books I purchased.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 5, 2025
K
Verified Purchase
Kathryn Wolfe
Boise, US
★★★★★ 4
Great quality
Format: Paperback
Great quality
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 9, 2024
C
Verified Purchase
Christy Dutcher
Houston, US
★★★★★ 3
Quality of Loose Pages
Format: Paperback
GREAT BOOK! As we have been going through books they have been falling apart. Page by page the are falling out. Please help.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 5, 2024

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