This Bryston 4B3 Cubes Series amplfier is in very good condition and sounds fantastic. Comes with Owners Manual, Power Cord & Factory Boxing. List price is $7,495.00 for this amazing amplifier - offered here with No Reserve so If you have been looking for a bargain - this is it. This stereo amplifier is a true dual mono design including two very large toroidal transformers in the power supply. Part of the Cubed Series which is distinguished from the older Bryston designs by the Salomie input buffer. This patented input circuit was co-developed by Bryston and Dr. Alexandru Salomie is said to reduce distortion by 10x Some Details: Two-channel power amplifierPower output: 300 watts per channel at 8 ohms; 500 watts at 4 ohms; bridged mono 900 watts per channel at 8 ohmsBalanced XLR and TRS as well as singled ended RCA inputs are both available and can be selected using the Input Select switch on the rear panel of the amplifierSwitchable gain (23dB or 29dB)Fully convection cooled means no noisy fansMachined and anodized aluminum enclosure and dress panelLess than 500mW standby power consumptionSoftStart microprocessor controlled startup sequence wont trip circuit breakersDC trigger for automated turn on and turn offDimensions -17W x 6.3H x 16.2D Weight - 42 lbs. Shipping in the USA only - carefully packed and fully insured _gsrx_vers_1680 (GS 9.8.3 (1680))

Bryston 4B-ST Series Amplifier Very Good physical and working condition Comes with power cable only. No box or manual. This was my Dads who is unfortunately in a nursing home. He took very good care of all his equipment. Its time to let someone else enjoy it! See pics and video taken a couple days ago. Bonus Monster Power Surge Protector included. Dont be afraid to make an offer. USPS Ground advantage shipping with extra insurance and signature confirmation Description:Solid-state stereo power amplifier. Output power: 250W continuous into 8 ohms (24dBW), 400Wpc rms continuous into 4 ohms (23dBW); 800W continuous into 8 ohms in bridged mode (29dBW). Current delivery: 16A continuous, 48A peak, per channel. Frequency response: 1Hz100kHz, 3dB for 1W output. S/N Ratio: hum and noise, 108dB below rated output, 90dB IHF. Input sensitivity: 1.4V for 250Wpc into 8 ohms. Voltage gain: 30dB. THD+noise: 20Hz20kHz, 0.01%. IM distortion (60Hz+7kHz, 4:1, SMPTE method): less than 0.01% at rated power. Damping factor: greater than 500 at 20Hz, at 8 ohms (equivalent to an output impedance of less than 0.016 ohms). Input impedance: 50k ohms unbalanced, 30k ohms balanced. Polarity: non-inverting. Dimensions:16 3/16 (411mm) W by 7 1/8 (181mm) H by 13 (343mm) D. Weight: 40.1 lbs (20.2kg) net. Manufacturer:Bryston Limited, P.O. Box 2170, 677 Neal Drive, Peterborough, Ontario K9J 7Y4, Canada.

Product Specifications: Bryston 4B ST Series Power AmplifierAccessories: Not IncludedDescription: Unit has been tested to verify functionality. If not stated you will only receive what is seen in the photos.Appearance: Unit is in very good pre-owned/used condition with minor cosmetic damage. ---Please feel free to contact us if you have any additional questions about the product. If choosing Local Pickup: Local Pickup Policy All items must be picked up within 14 days of purchase.Any item not picked up within 14 days of purchase will be cancelled, refunded and relisted without notification.All items picked up must be picked up by the individual named in the profile.No 3rd party pickups without prior approval.Identification is required to be shown when picking up all ordersAll pick-up orders must be paid for prior to pick-up. Payments will not be accepted on-site - no exceptions.No Walk-Ins. If you have not scheduled and received a confirmation of your pick up time, we will not be able to accommodate your pick up.Local pickup must be scheduled prior to arrival by contacting Customer Service.The pickup address for all items is 1080 N. 7th Street, San Jose, CA 95112Local pickup is available by appointment only and must be picked up within 14 days.

Bryston Brand 4B Model ST Series Black Rack-Mount Amplifier w/ Power Cable Condition: Used The amplifier has been tested by being powered on only, and is being sold in AS IS condition. Weight: 19.00 This is a pre-owned item being sold AS IS. Unless noted, electronic/electrical/mechanical items are NOT tested for functionality and should be considered in for parts and repair condition. We describe each item to the best of our ability; however, we are NOT experts in any field. All measurements are approximated. Items may show wear consistent with usage and age, such as: discoloration, scratches, scuffs, dents, cracks, chips, holes, loose threads and stitches, edge and corner wear, box wear, oxidation, dirt; dust, other residue, owner-added markings, and signs of repair such as tape and glue. Lot items may not contain all original parts or accessories and may have been outfitted with replacement pieces and/or modifications by previous owners. Items and autographs without certificates or markers of authenticity cannot be guaranteed authentic. While we do our best to identify and discard fakes, we are not experts. Any certificates and markers of authenticity referenced in this listing are assertions of authenticity by the manufacturer, production company, or a third party, and not a guarantee of authenticity by Goodwill. Unless noted, collectibles such as coins, comics, and trading cards are ungraded. If you have any questions regarding this item, please contact us PRIOR to bidding. Bulk lots such as trading cards, sports cards, LEGOs, and more are not returnable.

Bryston 4B ST Series Stereo Power Amplifier -Tested, Video Powerful unit, specs below Short video provided with a Bryston BP-5 stereo preamplifier which is also listed for sale. Excellent Clean Working Condition: Looks and sounds great with minimal wear. TypeStereo power amplifierOutput400W + 400W (4 ?)250W + 250W (8 ?)Damping factor500 (20 Hz, 8 ?)Input sensitivityRCA : 1.4V/50k ?1/4 Phone, XLR3 : 2.8V/20k ?* XLR3 is number 2 hot.Slew rate60 V / ? sec or More (Parallel)120 V / ? sec or More (Series)Distortion factorNot more than 0.007%Signal-to-noise ratio106dBFrequency characteristic1 Hz to 100 kHz (250W)Power supply voltage100 VAC, 50Hz/60HzPower consumption1350W maximumExternal dimensionsWidth 483x Height 148x Depth 427 mmWeight18kg

Solid-state stereo power amplifier. Output power: 250W continuous into 8 ohms (24dBW), 400Wpc rms continuous into 4 ohms (23dBW); 800W continuous into 8 ohms in bridged mode (29dBW). Current delivery: 16A continuous, 48A peak, per channel. Frequency response: 1Hz100kHz, 3dB for 1W output. S/N Ratio: hum and noise, 108dB below rated output, 90dB IHF. Input sensitivity: 1.4V for 250Wpc into 8 ohms. Voltage gain: 30dB. THD+noise: 20Hz20kHz, 0.01%. IM distortion (60Hz+7kHz, 4:1, SMPTE method): less than 0.01% at rated power. Damping factor: greater than 500 at 20Hz, at 8 ohms (equivalent to an output impedance of less than 0.016 ohms). Input impedance: 50k ohms unbalanced, 30k ohms balanced. Polarity: non-inverting. Dimensions:16 3/16 (411mm) W by 7 1/8 (181mm) H by 13 (343mm) D. Weight: 40.1 lbs (20.2kg) net.

Solid-state stereo power amplifier. Output power: 250W continuous into 8 ohms (24dBW), 400Wpc rms continuous into 4 ohms (23dBW); 800W continuous into 8 ohms in bridged mode (29dBW). Current delivery: 16A continuous, 48A peak, per channel. Frequency response: 1Hz100kHz, 3dB for 1W output. S/N Ratio: hum and noise, 108dB below rated output, 90dB IHF. Input sensitivity: 1.4V for 250Wpc into 8 ohms. Voltage gain: 30dB. THD+noise: 20Hz20kHz, 0.01%. IM distortion (60Hz+7kHz, 4:1, SMPTE method): less than 0.01% at rated power. Damping factor: greater than 500 at 20Hz, at 8 ohms (equivalent to an output impedance of less than 0.016 ohms). Input impedance: 50k ohms unbalanced, 30k ohms balanced. Polarity: non-inverting. Dimensions:16 3/16 (411mm) W by 7 1/8 (181mm) H by 13 (343mm) D. Weight: 40.1 lbs (20.2kg) net.