B&K ST-140M Mono Power Amplifier Block with RCA/XLR
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Time Left: 24 Days
Ending: 12/17 at 07:01 PM ET
$450.00 USD
| Condition | |
| Payment methods |       |
| Ships from | Northvale, NJ, 07647 |
| Ships to | United States |
| Package dimensions | 28.0" x 20.0" x 16.0" (35.0 lbs) |
| Voltage | unspecified |
| Shipping carrier | UPS |
| Shipping cost | $75.00 USD |
| Original accessories | Manual |
 Average | Research Pricing |
Product: B&K ST-140M Mono Power Amplifier
Included: (1) Power Cable
(1) Copy of manual
Functional Notes: This unit has been fully tested and delivers excellent sound quality with no operational issues. It is designed to provide dual outputs from an either RCA/XLR single input or sterero input, despite the rear panel labeling suggesting two distinct channels. A functional demo video is attached below.
Video Demo Link: https://youtu.be/Hg5F7_JdJX4
Cosmetic Description: The cabinet is in very good condition overall with primarily touch-up painted scuffs on the top cover, and minorly, typical signs of use are present, Please check the images for a closer look for any potential unmentioned imperfections.
This legendary MOSFET mono-block delivers an astonishing 155 watts into 8 ohms with 60 amps of peak-to-peak current, giving it the authority to effortlessly drive even the most demanding, low-impedance audiophile speakers. Revered for its sweet, musical, and "tube-like" sound, the ST-140M offers the soundstage and control benefits that only dedicated mono amplification can provide.
| Feature | Detail |
| Type | Solid-State Mono Power Amplifier (MOSFET Design) |
| Channels | 1 |
| Power Output (8 Ohms) | 155 W (Continuous RMS) |
| Power Output (4 Ohms) | 225 W (Continuous RMS) |
| Peak-to-Peak Amperage | 60 Amps |
| Frequency Response | 5Hz−45kHz |
| Total Harmonic Distortion (THD) | 0.09% |
| IM Distortion (SMPTE) | 0.09% |
| Damping Factor (50Hz) | 180 |
| Input Sensitivity | 1.4V for full output |
| Input Impedance | 33.2 kΩ |
| Signal-to-Noise Ratio (A-Weighted) | 95 dB |
| Slew Rate | 14 V/μs |
| Dimensions (H x W x D) | 51/4"×17"×16" (13.34 cm×43.18 cm×40.64 cm) |
| Shipping Weight | ≈30 lbs (13.6 kg) |
Payments: We prefer PayPal, and it's fee-free. Credit card payments are also accepted without processing charges. Alternatively, you can pay by check or money order (funds must clear before shipment) or via wire transfer. Please request our bank details for wire transfers.
Pick Up or Shipping: We provide professional shipping throughout the continental United States, While local pickup in Northvale, NJ is recommended after testing. Your item will be securely packed with premium wraps, cushioning, and heavy-duty boxes. Our experienced staff can also professionally palletize shipments as needed. For shipping to Hawaii, Puerto Rico, Alaska, and other locations, please request a personalized quote.
International Buyers: International buyers are welcome. Please await a shipping quote. All import duties and fees in your country, as well as any necessary voltage conversion, are the buyer's responsibility.
Have Gear to Sell or Trade?: If you have the gear to sell, trade, or consign, please send us an email to customerservice@audiobuyers.com or a text message to 1-201-674-7895
with the following information. We will get back to you within 24 hours.
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AUDIO BUYERS INC
Welcome to Audio Buyers Inc., your Northvale, NJ source for all things audio. We buy, sell, offer trade-ins, and handle consignments of vintage audio gear, including high-end stereo and home theater amplifiers and speakers. Our inventory also features turntables, CD players, DACs, tuners, interconnects, cables, LPs, CDs, and a wide range of other audio essentials.
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Your satisfaction is our priority. Please let us know if you notice something we can improve.
If you have a question or request, please do not hesitate to send us an email at customerservice@audiobuyers.com or a text message to 1-201-674-7895.
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AUDIO BUYERS INC.
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Return Policy
Return Window
Item can be returned within 14 days of receipt.
General Terms
Items must be returned in their original condition, with all included packing materials and no signs of use. Buyer assumes responsibility for all shipping return costs unless the item was not received as described.
Refunds
Buyer will receive a full refund in the original payment method less any shipping charges.
Special Conditions
Every gear we sell carries a 14-day satisfaction-guaranteed return policy. Accordingly, items can be returned within 14 days of receipt, only when the item is not received as described, after written approval from Audio Buyers Inc.
