Why shop with us
Brand: Classic Instruments
SN20 Classic Instruments Tachometer Filter
The SN20 is a low pass filter for tachometer signals.
Currently out of stock
No hidden fees — taxes included in the price & Free Shipping.
We accept major cards and digital wallets. Additional installment plans, when available, are offered by Shopify at checkout based on order eligibility.
SN20 Classic Instruments Tachometer Filter
Tachometer Filter.
The SN20 is a low pass filter.
This filter blocks high frequency interference while allowing signals of valid tachometer frequencies to pass through to the gauge.
If you have interference on the tachometer’s signal, this filter would be helpful in addressing erratic behavior on your tachometer.
Key Features
Specifications
- Length
- 6.0 lb
- Width
- 6.0 lb
- Height
- 6.0 lb
- Weight
- 0.04 lb
- ASIN
- B0BDHYD68J
- UPC
- 090127146606
- Ships From
- United States
- Brand
- Classic Instruments
Frequently Asked Questions
About SN20 Classic Instruments Tachometer Filter
01 What type of filter is the SN20?
The SN20 is a low pass filter.
02 What does the SN20 filter do?
This filter allows valid tachometer frequencies to pass through.
03 What does the SN20 filter block?
High frequency interference is blocked by this filter.
04 What is the ASIN for this product?
The ASIN for this product is B0BDHYD68J.
05 What is the UPC / barcode for this product?
The UPC/barcode for this product is 090127146606.
06 Where does this ship from?
Orders ship from our fulfillment center in Dover, Delaware, USA.
07 How many days will it take to arrive?
Orders ship within 1-2 business days and typically arrive within 4-5 business days via free standard shipping -- usually by Aug 28.
08 Does this product accept returns?
Yes -- this item can be returned within 15 days of delivery for a free return by mail. See our return policy for full details.

