i have a denon avr s940h reciever in an enclosed cabinet with 4 inches from top of reciever to top of cabinet. Will the s9 or t9 work?

4" from the top of your receiver means only 2.5" from the top of the AIRCOM S9. This may be too little clearance for a top-exhaust unit. You say "enclosed cabinet." I assume one side is open. The hot air needs to vent somewhere. If this is true then go with a front or rear exhaust system instead. The AIRCOM S10 is the front-exhaust version and S8 is rear-exhaust. Also, I like the S-Series because it offers all the control over the fans that I require. The T-Series costs more and seems a little overkill. Unless, however, you really like the LCD display.

Will this work in automobile applications

It works off of 120. You should call the company and ask them if they have fans for automotive applications.

does anyone use these fans in a stack? in between 2 components (amp, fan unit, avr for example)?

As long as you have proper clearance I don't see why it wouldn't cool ok. I think it pulls air upwards better than pushing air but I have used it to push air up thru an amp.

Have a receiver in a cabinet with 3.5" space behind it to back of cabinet or about 5" above it to a glass shelf. Top or rear exhaust unit is better ?

This unit exhausts from the top and I have about 1 inch above the unit. It works perfectly. I’ve had no problems with the receiver overheating, since I purchased the fan. If you have 5” above, it should work very well for you.

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AC Infinity AIRCOM S9, Quiet Cooling Fan System 17" Top-Exhaust.

AC Infinity AIRCOM S9, Quiet Cooling Fan System 17" Top-Exhaust.

Product ID: 33759253

Details

Brand
AC Infinity
Compatible Devices
Gaming Console
Cooling Method
Air
Material
Alloy Steel
Maximum Rotational Speed
6700 rpm
Noise Level
21 db

💨210 CFM airflow

🔇Ultra-quiet 21 dBA noise

⚙️3 dual-ball bearing fans

S/.898

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Sold byAmazon PeruDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

❄️ Keep your gear cool and your game hotter — silently.

ROBUST VERSATILE BUILD - Durable alloy steel frame supports up to 30 lbs and fits tight spaces.
FLEXIBLE MOUNTING OPTIONS - Works horizontally or vertically to fit your AV setup seamlessly.
PRECISION THERMAL CONTROL - Two smart temperature triggers + 4 fan speeds for tailored cooling.
WHISPER QUIET PERFORMANCE - PWM motors and silicone mounts keep noise at a barely-there 21 dBA.
EXTENDED COMPONENT LIFESPAN - Prevents overheating to maintain peak AV device performance.

The AC Infinity AIRCOM S9 is a sleek, low-profile 17" top-exhaust cooling fan system designed for AV components like receivers and gaming consoles. Featuring three dual-ball bearing fans with PWM control, it delivers a powerful 210 CFM airflow at whisper-quiet 21 dBA noise levels. Programmable thermal triggers and multiple speed settings ensure optimal cooling and noise balance, while its durable alloy steel construction supports stacking and versatile mounting. Ideal for professionals who demand reliable, silent cooling to extend device lifespan and maintain peak performance.

Specifications

ASIN	B01LVUWOBX
Air Flow Capacity	210 cfm
Best Sellers Rank	#83 in Computer Case Fans
Brand Name	AC Infinity
Compatible Devices	Gaming Console
Cooling Method	Air
Customer Reviews	4.8 4.8 out of 5 stars (4,470)
Item Dimensions L x W x H	17"L x 13.5"W x 1.5"H
Manufacturer	AC Infinity
Material Type	Alloy Steel
Maximum Rotational Speed	6700 rpm
Model	AI-ACS9
Noise Level	21 db
Number of Items	3
Number of Packs	1
Part Number	AI-ACS9
Power Connector Type	SATA/Molex or 3-pin/4-pin
UPC	854759004655
Unit Count	1 Count
Voltage	12 volts
Wattage	35 watts

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