B&K BK ST-140 power amplifiers (Both units sold together) Monoblock Classic, See Description . Condition is Used. Shipped with USPS Ground Advantage. On Mar-22-24 at 21:10:59 PDT, seller added the following information: The ST-140’s greatest strength lies in its warm and tube-like sound. Despite being a MOSFET amp, it produces a musical, non-fatiguing warmth that captivates listeners. Many users find themselves enjoying extended listening sessions without any listener fatigue. Output Power: Continuous 105 watts per channel into 8 ohms (20.2dBW) and 105 watts into 4 ohms (17.2dBW). Distortion: Low 0.09% THD from 5Hz to 45kHz. Dynamic Headroom: 3.2 dB (equivalent to 147 watts per channel). Frequency Response: Impressive range from 3Hz to 70kHz (±3dB). Input Impedance: 24.3k ohms. Sensitivity: Requires 1.1V for full output. Dimensions: 19 wide x 6 high x 15 deep. Weight: A manageable 25 lbs. Made in the U.S.A. by B&K Components Ltd. in Buffalo, New York2. The B&K ST-140 combines warmth, musicality, and unique design features, making it a cherished choice for discerning audio enthusiasts.

B&K BK Components ST-140 Stereo Power Amplifier. Condition is Used. Shipped with USPS Ground Advantage.

B&K BK ST-140 power amplifiers (Both units sold together) Monoblock Classic, See Description . Condition is Used. Shipped with USPS Ground Advantage. On Mar-22-24 at 21:10:59 PDT, seller added the following information: The ST-140’s greatest strength lies in its warm and tube-like sound. Despite being a MOSFET amp, it produces a musical, non-fatiguing warmth that captivates listeners. Many users find themselves enjoying extended listening sessions without any listener fatigue. Output Power: Continuous 105 watts per channel into 8 ohms (20.2dBW) and 105 watts into 4 ohms (17.2dBW). Distortion: Low 0.09% THD from 5Hz to 45kHz. Dynamic Headroom: 3.2 dB (equivalent to 147 watts per channel). Frequency Response: Impressive range from 3Hz to 70kHz (±3dB). Input Impedance: 24.3k ohms. Sensitivity: Requires 1.1V for full output. Dimensions: 19 wide x 6 high x 15 deep. Weight: A manageable 25 lbs. Made in the U.S.A. by B&K Components Ltd. in Buffalo, New York2. The B&K ST-140 combines warmth, musicality, and unique design features, making it a cherished choice for discerning audio enthusiasts.

B&K BK ST-140 power amplifiers (Both units sold together) Monoblock Classic, See Description . Condition is Used. Shipped with USPS Ground Advantage.

This unit has not been tested as it is missing a fuse. Selling for parts. It is missing a fuse.

B&K BK Components ST-140 Stereo Power Amplifier. Condition is Used. Shipped with USPS Ground Advantage.

B&K BK Components ST-140 Stereo Power Amplifier. Condition is Used. Shipped with USPS Ground Advantage.

B&K BK Components ST-140 Stereo Power Amplifier. Condition is Used. Shipped with USPS Ground Advantage.

B&K BK Components ST-140 Stereo Power Amplifier. Condition is Used. Shipped with USPS Ground Advantage.

B&K BK Components ST-140 Stereo Power Amplifier. Condition is Used. Shipped with USPS Ground Advantage.

Solid power amp, with a sweet sound, that is detailed and tubelike, with good bottom end. The amp is 100% working . I have personally used this amp with a McIntosh MA 6100 as a preamp and some JBL Century L100s in my vintage system, and it sounds great. There are both 70 watt and 105 watt versions of this amp, and, after much research, Ive concluded this one is the 105 watt version. See the Item condition section and pics for cosmetic condition. Buy with confidence from a seller with 15 years of experience selling audio equipment. The amp will be packed with the utmost care, and any questions or concerns will be promptly addressed. Please, dont hesitate to message me, if anything comes up. I am more than willing to give any helpful information I can. I always try my hardest to make sure all my ads are honest and accurate, and buyers are getting what they expect, or something better. The items will be insured and shipped Direct Signature Required, for the protection of buyer and seller. Shipping only to the contiguous 48 states, no PO boxes.

B&K BK ST-140 Stereo Power Amplifier Tested Working Tested and Works Great. Clean Sold as is. See photos. Clean and ready to use. Sold as is . This B&K BK ST-140 Stereo Power Amplifier has been tested and is in good working condition. It is a 1-channel amplifier that accepts component audio inputs and has analog features. The brand is B&K and the model is ST-140. This amplifier would be a great addition to any home audio or video system.

B&K BK Components ST-140 Stereo Power Amplifier. Condition is Used. Shipped with USPS Ground Advantage.

B&K BK Components ST-140 Stereo Power Amplifier. Condition is Used. Shipped with USPS Ground Advantage.

B&K BK ST-140 Stereo Power Amplifier Tested Working Tested and Works Great. Clean Sold as is. See photos. Clean and ready to use. Sold as is . This B&K BK ST-140 Stereo Power Amplifier has been tested and is in good working condition. It is a 1-channel amplifier that accepts component audio inputs and has analog features. The brand is B&K and the model is ST-140. This amplifier would be a great addition to any home audio or video system.

Selling as a package amp/pre-amp. Amazing vintage (purchased in 1988. Original owner) B&K ST-140 Amplifier and B&K Pro-5 Preamplifier. Lightly used and in great condition.

B&K BK Components ST-140 Stereo Power Amplifier. Condition is Used. Shipped with USPS Ground Advantage.

This is a BK ST-140 amplifier. It is the 105wpc into 8ohm version. Its in very good condition. (Check the pics closely for the condition) The output transistors have been replaced with Exicon matched outputs. The input capacitor is bypassed with a 1uf poly film. Bias and dc offset are adjusted to factory specifications. I let if run for several hours to break in the caps and make sure all is well. Sounds great and I was tempted to keep it but... you just cant keep them all. I did a post on my website about the repairs. dirtmanaudio.com It is clean and ready to use. I will pack it for safe delivery.

B&K BK ST-140 power amplifier Mnoblock Classic In excellent condition. Works perfectly, never a problem. This was my personal amp that I first used with another st140 for my klipsch speakers then to drive a DIY subwoofer. The sound is warm and creamy. Not bright like a lot of amps. I will pack it well and ship quickly. This is not a stereo amp. It will ony power one speaker. I only ship to the lower 48 states.

B&K ST-140 POWER AMPLIFIERYou are bidding on B&K ST-140 POWER AMPLIFIER. Its in great working condition and sounds amazing. Both channels working and sound amazing. Looks great, but please remember this is used item and does have signs of being used. All connections working great. Missing box and manual. Please do research about the item, so you know what you need to use the item with. Please look at the pictures before bidding, you will get what you see in the pictures. POLICY: SELLING AS IS, NO RETURNWe ask all buyers to email us before opening a EBAY CLAIM CASEI WILL NOT ACCEPT THE ITEM BACK, IF YOU CHANGE YOUR MIND OR DO NOT LIKE THE ITEM OR DID NOT READ THE DESCRIPTION AND LOOKED AT THE PICTURES.We ask all the buyers before leaving a negative or neutral, please email us with a problem first and we will do our best to make you happy again.We care about our buyers and we only want to see them happy.WE WANT TO SEE ALL OUR BUYERS HAPPY PAYMENT: Payment must be received in 2 days, if you do not pay with in 2 days, EBAY claim will be open. LOCAL FLORIDA PICK UP ALWAYS WELCOME BY APPOINTMENT ONLY & CASH ONLY Notify us BEFORE making payment & we will send you a revised invoice without shipping charges. Allow 24hrs notice before coming by to pick up your item Available days for Pickup: M-F 12 NOON-2:30PM We are located in the CORAL SPRINGS/COCONUT CREEK/MARGATE AREA.ALL PICK UP WILL BE DONE IN PUBLIC PLACE. ALL FLORIDA BUYER: ALL FL STATE BUYERS MUST PAY 7% SALES TAX, THIS IS A LAW, IF BUYER REFUSE TO PAY SALES TAX, THAN TRANSACTION WILL BE CANCEL AND BUYER WILL BE REPORTED TO EBAY. SHIPPING: Boxing and shipping via FedEx ground to addresses in the USA continental ONLY and shipping rate is rated to all 48 state, please do not ask for the lower shipping rate. Shipping is $65 (NONE REFUNDABLE ) FEDEX DO NOT DELIVER TO PO.BOX, MUST HAVE A VALID ADDRESS.ALASKA, HAWAII & PR BUYERS must ask for the shipping rate before bidding. ATTENTION: INTERNATIONAL BIDDERSALL INTERNATIONAL BUYERS MUST USE EBAY GLOBAL SHIPPING PROGRAM, I HAVE NOTHING TO DO WITH EBAY GLOBAL SHIPPING RATE, THIS BETWEEN BUYER AND EBAY, IF YOU DO NOT LIKE THE EBAY GLOBAL SHIPPING COST THAN PLEASE DO NOT BUY THE ITEM.

This unit has not been tested as it is missing a fuse. Selling for parts. It is missing a fuse.

If for any reason you are not satisfied with your order, please contact us immediately. Filing a claim should be reserved as a last resort to solving an issue. Please give us a chance to solve any issues that you may have for any reason before leaving feedback.

BK B&K ST-140 POWER AMPLIFIER SUPER CLEAN!! ST140 Very Clean B&K ST-140 Power Amplifier Unit Has Been Fully Tested & Works Great! Unit is in Very Clean Condition. Very Minor Cosmetic Wear! ( Check Pics) Dont Miss out! Make us an offer! We accept Paypal. Please make payments within 5 days of auction close. All items will ship within 1-2 business days of receipt of payment. For any special shipping instructions, please send an email through eBay. inkfrog terapeak

Restored B&K ST-140 70WPC Stereo Power Amp First (Best) Version - Audiophile Grade Classic Completely Re-capped (all electrolytic capacitors have been replaced with high end Audio grade capacitors. Even main filter caps have been replaced with huge 22,000uF Capacitors. For sale is a early/first version B&K ST-140 stereo 70WPC power amplifier in fantastic cosmetic condition. This is the most desirable first version with the killer single 2SJ/2SK output transistor pairs. This is a no frills, no BS amplifier. Power switch, input RCA jacks and 5 way binding posts. Simple black paint scheme with champagne rack handles. Inside is a monster toroid power transformer, two big filter caps, two simple power amp boards.The performance, however, is truly audiophile-grade in a great looking, low cost package! Theres a ton of reviews of these amps dating back to their release in the 80s! Incredible price/performance ratio due to the use of very musical sounding output FETs!The restoration really just consisted of replacing the electrolytic caps on the two power amp driver boards with Nichicon, Elna Silmic and Wima caps, checking over all wiring/solder etc, and replacing the main filter caps. The amp came to us in basic working order, just needing a new fuse holder, but certainly benefits from changing out the old failing electrolytic caps that are in the signal and feedback path. All caps replaced are high end audio grade from Nichicon or WIMA The original main filter caps had dropped from their rated 17,000uF to 15,000uF and so were replaced with 22,000uF Nichicons. The input caps are WIMA film caps. The amplifier performs wonderfully and really sounds warm and tube like with a deep soundstage. The amp will be packaged and shipped carefully so it arrives as it left here. SpecificationsDescription: Solid-state stereo power amplifier. Output power: 70Wpc into 8 ohms, 20Hz-20kHz 105W into 4 ohms (17.2dBW), both continuous power, 5Hz-45kHz, with 0.09% THD Frequency response: 3Hz-70kHz ±3dB Input impedance: 24.3k ohms (1989). Sensitivity: 1.1V for full output Dimensions: 19 W by 6 H by 15 D. Weight: 25 lbs.