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ENI 310L Power Amplifier


The 310L is a 25 Watt class A power amplifier.  It is designed for RFI/EMI applications as well as general laboratory purposes.  The 310L delivers low distortion amplification over the entire useful frequency range of 250 kHz to 150 MHz. 

The unit is in excellent physical and electrical condition.      


Rated Power Output 25 Watts
Minimum 250 kHz
Maximum 150 MHz
Gain 50 dB
Gain flatness  1 dB
Input Impedance 50 Ohms
Panel Meters Analog
Input Connector BNC
Output Connector BNC
Input/Output Impedance 50 Ohms
External Cooling Air Cooled
Power Requirements 115/ 230 V    50/60 Hz    1 Phase


 Weight: 19 lb     Size: 152 mm (6.0 in) H    x   222 mm (8.75 in) W    x   393 mm (15.5 in) D





As our many customers will attest, we will do our very best to resolve any customer problems.  But our official policy is: 

  • All items sold are guaranteed against D.O.A. only. 
  • All claims must be made within 3 days of receipt. 
  • All warranties are void if the calibration / warranty seals are broken.



Shipping Policy

Buyer will pay $35.00 packing and shipping in the continental United States.  We will make every effort to ship within 24 hours of receipt of payment.  We ship with FedEx only.  We will be glad to ship with other carriers using the purchasers shipping account.  Please contact us to make any special shipping arrangements. For shipping rate research, our shipping address is Boulder, CO USA ---- Zip Code is 80305.

Foreign buyers:  Unless special provisions have been made, you are responsible for making your own shipping arrangements and all costs related to customs, duties & special packaging requirements.  Please do not ask us to quote you international shipping rates.  Use the address information above to research you own shipping rates.  You can email waltwhite@ascentconcepts.com to get the packaging fee, package weight and size for your research.  Items sold outside the USA are sold as is.  



 Payment Policy

We accept Credit Card payment through Paypal.   We accept Cashiers Check or Money Orders.



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The equipment shown is a representation only.  We often have multiple units in stock so please email us with your needs.  We have a large inventory and can usually find any test and measurement item in a short time frame.------Inquires info@ascentconcept.com