Counterpoint SA-20
Listed · 374 Views
Time Left: 12 Days
Ending: 05/30 at 01:35 PM ET
$1,199.00
| Condition | |
| Payment methods |       |
| Ships from | Chicago, IL, 60657 |
| Ships to | United States |
| Package dimensions | unspecified |
| Shipping carrier | UPS |
| Shipping cost | Specified after purchase |
 Average | Research Pricing |
Dual Channel Hybrid - (Vacuum Tube and MOS-FET) Amplifier
All pre-owned product is tested in our service department and have been passed for sale... and comes with a 90 day warranty!
Please keep the 90 day warranty in mind when comparing our price to other listings.
This has been re-tubed in March 2024 with all new JJ high quality tubes.
In good condition.
Original box and packing are NOT available, But we will pack carefully.
NOTE: THIS AMP IS VERY HEAVY - 55 LBS UNPACKED AND WILL BE EXPENSIVE TO SHIP!
See last image for the specs. Circa 1989. Made in CA.
Check the specs- this is MONSTER HIGH CURRENT AMP!!
Vacuum tube used 6DJ8 Audio Tube : 5 pieces and 6CA4 Rectifier Tube : 1
From their sales info: In this Counterpoint amplifier, we pay attention to the merits of voltage-controlled amplification which is a characteristic of vacuum tubes. By using MOS-FET as the same voltage-controlled device, large output can be efficiently extracted without losing the concept of the tube ball-type voltage-controlled amplification.
The SA-22 uses a twin triode 6DJ8 with low internal resistance and excellent linearity for the first and second voltage amplification stages and driver stages. The driver stage uses a cathode follower circuit with a constant current load to achieve further linearity and low distortion. MOS-FET is used for the output stage. By removing the output stage from the NFB loop, there is no need to worry about oscillation caused by inductance of the speaker or network under any load.
The power supply section employs a large power transformer of 1 kVA in an independent configuration on the left and right sides. The power is rectified by 6CA4 and supplied to each section through a transistor-type ripple filter. DC ignition is used for the heater circuit. BTL connection is possible by switching the switch on the printed circuit board, and the highly reliable 6DJ8 phase inverter is used.
This is on display and ready to be auditioned in our showroom.
Saturday Audio Exchange has been in business for 42 years! Check us out at www.saturdayaudio.com.
We buy, sell, and trade new and used home audio equipment. If you have something you think we might be interested in, shoot us a message.
We do allow you to make an offer, but make it your best offer as we do NOT make counter offers.
Local pickup customers and Illinois residents are subject to Chicago sales tax (10.25%).
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We ship to and accept PayPal ONLY from USA customers.
WE CONSIDER THE 3% PAYPAL FEE THE COST OF DOING BUSINESS, SO WE DON'T ADD IT TO THE PRICE. HOWEVER, IF YOU MAKE A PAYPAL PAYMENT WITH AN IP ADDRESS FROM OUTSIDE THE USA, WE WILL SEND YOU AN ADDITIONAL INVOICE AND CHARGE YOU THE ADDITIONAL FEE THAT PAYPAL CHARGES US = 2%.
Payment must be made within 48hrs of auction end, or negative feedback will be left and item will be re-listed.
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