All three Channels work, HOWEVER & the reason for listing as for parts not working :The amp was given to me as a trade for money owed but upon testing the amp at a laterdate, found that even though all channels work, I note that the full audio spectrumis not there, particularly in the bottom range although, all else sounds good... * My conclusion with just my ears as all the test equipment I possess: I suspectthe amp was serviced/fixed but not properly, hence the issue so, selling as is...

Adcom 5503 3 channel amplifier The amplifier in this add in photographed on top. 3 Adcom 5500 amplifiers also available to power a full home theatre setup. Local Pickup Only! SpecificationsPower output: 3 channel - 200 watts per channel into 8? (stereo)Frequency response: 10Hz to 20kHzTotal harmonic distortion: 0.02%Damping factor: 700Gain: 29 dBInput sensitivity: 1.4VSignal to noise ratio: 100dB

All three Channels work, HOWEVER & the reason for listing as for parts not working :The amp was given to me as a trade for money owed but upon testing the amp at a laterdate, found that even though all channels work, I note that the full audio spectrumis not there, particularly in the bottom range although, all else sounds good... * My conclusion with just my ears as all the test equipment I possess: I suspectthe amp was serviced/fixed but not properly, hence the issue so, selling as is...

All three Channels work, HOWEVER & the reason for listing as for parts not working :The amp was given to me as a trade for money owed but upon testing the amp at a laterdate, found that even though all channels work, I note that the full audio spectrumis not there, particularly in the bottom range although, all else sounds good... * My conclusion with just my ears as all the test equipment I possess: I suspectthe amp was serviced/fixed but not properly, hence the issue so, selling as is...

ADCOM GFA-5503 3 CHANNEL HIGH CURRENT POWER AMPLIFIER CONDITION: USED “Actual item is pictured. Test Good. 30 Days warranty”. Item has been tested and is fully functional. It is in good condition, has some signs of normal use, some scratches on item, please see pictures for details. Not include remote control and other accessories not included, power cord included only. This item will be packed very well to ensure a safe arrival. Cosmetic Condition: The unit. is in good cosmetic condition. The casing shows some wear from use (scratches, scuffs, etc (See Pictures). Please check on the photos for detailed condition of the product. Functionality: The unit. is in working condition. If anything wrong with the item you have 30 days to return for a full refund. Includes: Power cord Terms and Conditions Condition: · This item is used in good working conditions · Used: An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended · Items listed as used/ or do not state otherwise work perfectly. We will add a description if the item does not function exactly as it should. Warranty: · This item is under our 30 days warranty. · If for some reason you receive a defective item please return within 30 days for a replacement or a full refund. Shipping: · Items will be ship within 24 hours after the auction was ended, unless Holiday or weekends which will be ship the next business day · Our shipping carriers are FEDEX , UPS and USPS. · ANY ORDERS OF DESKTOP OR LAPTOP COMPUTERS WILL BE SHIPPED WITH SIGNATURE REQUIRED, PLEASE MAKE SURE YOU ARE AVAILABLE TO SIGN FOR THESE ORDERS. · We dont offer shipping to the following states: Alaska, Hawaii, Puerto Rico, Virgin Islands, and Guam. Refunds: A refund only if item is DOA. The purchaser is responsible for all shipping charges back to us for non-defective items. · No refunds after 30 days from time of purchase. Return Shipping: · Paid for by Alameda PC Parts for defective items ONLY. Return warranty does NOT cover wrong fit, incompatibility

ADCOM GFA 5503 3 Chanel Amplifiers , 8/10 Cosmetic Looking & Full Working Condition .Will Demo play for local Pick Up . Thanks for looking .

ADCOM GFA 5503 3 Chanel Amplifiers , 8/10 Cosmetic Looking & Full Working Condition .Will Demo play for local Pick Up . Thanks for looking .

PRE-OWNED - THE ITEMS THAT ARE NOT PICTURED OR MENTIONED IN THE IMAGES, ARE NOT INCLUDED WITH THE FINAL SALE. DETAILS OF ITEM:- ADCOM MOSFET GFA 5503 - Power Amplifier 3 Channel Very Good Condition TESTED: ITEM TESTED APPEARANCE OF ITEM: GOOD IN CLEAN CONDITION, MAY HAVE SOME COSMETIC SCRAPES, PLEASE SEE THE PICUTRES INCLUDED. WARRANTY: Please contact me within 3 days of receipt to make a return. NO RETURN ACCEPTED AFTER 14 DAYS OF RECEIPT. The item returned MUST BE in new/original condition with the tags attached. The original shipping cost is NONREFUNDABLE. PLEASE NOTE RETURNS OR REFUNDS ARE NOT OFFERED DUE TO SHIPPING COSTS WITH NO FUNCTIONALITY BEING GUARENTEED. NOT ABLE TO RESET PASSWORDS OR INCLUDE SOFTWARE UNLESS PREVIOUSLY STATED IN THE LISTING. SHIPPING TYPICALLY WILL BE VIA USPS, UPS GROUND AND FED EX GROUND, DEPENDING ON SIZE OF ITEM. PLEASE CONTACT IF YOU HAVE ANY QUESTIONS OR CONCERNS. PLEASE KINDLY LEAVE FEEDBACK WILL BE GREATLY APPRECIATED THANK YOU.

ADCOM Mosfet GFA 5503 3 Chanel Amplifiers , 8/10 Cosmetic Looking & Full Working Condition .Will Demo play for local Pick Up . Thanks for looking .

This powerful ADCOM MOSFET GFA 5503 Power Amplifier boasts 3 channels and 1440W of power, making it the perfect addition to any home audio setup. Does not include cord. Good condition

The worlds largest online retailer of pre-owned audio Product DescriptionWho we areWhat we doOur ProcessOur Policies Adcom GFA-5503 Three Channel Power Amplifier; GFA5503 Product SKU: 54035 Voltage: 120V # of Owners: Unknown Service History: None Serial Number: A03LDB01193 Age: Unknown Tobacco Exposure: No Cosmetic Description: Good cosmetic condition with some minor visible cosmetic wear including a few barely visible nicks on the top of the rear heat sink. There are a few light stains on the faceplate within the bevels of the unit. There is some minor discoloration on the left and back heat sinks. This item has some very light wear but still presents like new from your listening position. What is Included: Amplifier, Manual, Power cable Functional Notes: Operational condition of this item is excellent, fully tested and no issues found. Shipping: Cost to ship this item within the contiguous United States is a flat rate of $65- including packaging and insurance. For all other locations including Hawaii, Puerto Rico and Alaska, please request a quote prior to purchase. Items with factory packaging will be double boxed. When factory packaging not available re-usable shipping box with custom injected-foam mold will be used. (for all items over 10 lbs). Note that all items valued over $750 will require a signature upon delivery. Your online source for the best value in new and used audio gear. Visit us online to Buy / Sell / Trade / Consign The Music Room is the largest online retailer of pre-owned HiFi equipment in the world. Headquartered in beautiful Boulder Colorado, The Music Room is a team of 17 strong (and growing) music lovers - all dedicated to one singular mission: delivering the very best online shopping experience in the audio industry - period. We specialize in well-cared for, previously used gear because that is what we are passionate about. We feel that there is nothing more fulfilling than creating a high-performance system on a budget with carefully selected used components, speakers and cables. Our program is safe, secure, fast, fair, hassle-free and highly effective. Visit us online to Buy / Sell / Trade / Consign Buy: Are you looking to get a fair price for your used home audio equipment without all the hassles, headaches, risks and fees? We will appraise your equipment and make you a quick, easy, fair cash offer. Just fill out our “get a quote” form on our homepage to start the process. Sell: We sell in multiple online venues with many (but not all) of our products available in our eBay store. Everything is quality-assured and backed by our best-in-class, satisfaction-guaranteed return policy. Trade: Make your budget go further with a generous trade-in allowance. Let us know what you have available, and we’ll get you the best possible trade-in allowance. We can even assist with shipping & logistics from anywhere in the USA. Just fill out our “get a quote” form on our homepage to start the process. Consign: We offer a hassle-free way for individuals and businesses to liquidate used gear. We’ll handle every step of the process from shipping to appraisals, customer service, fulfillment, and returns: Industry-low rates with no hidden fees Leverage our world-class reputation and get exposure in multiple sales venues - putting your product in front of over 570k monthly shoppers. Our program is Safe, Secure, Fast, Fair, Hassle-Free and Highly Effective. With 100% feedback ratings in every venue in which we sell, you can rest assured that we’ve got your back. Visit us online to Buy / Sell / Trade / Consign Quality Assurance: We offer 15-20 new product listings for sale daily. Each product undergoes an extremely rigorous quality-assurance and listening session by one of our qualified technicians. We understand that buying used audio equipment can be rife with uncertainty and unexpected headaches. Our quality assurance program is informed by a knowledge-base built through delivering over 30,000 used audio products to satisfied customers. We promise to deliver your product in good working order - exactly as described 100% of the time. Support: We don’t just make promises. We stand behind them - your satisfaction is guaranteed. Our support team is ready to help you with any questions you might have before and after the sale. Value: In the never-ending pursuit of high performance, it’s important to stretch your limited budget as far as possible. Used equipment sells for a fraction of new prices, and with a partner like The Music Room you can upgrade any time you like and get most of your money back. There’s simply no better way to maximize a limited audio budget. Packaging: We’ve invested thousands of dollars and countless hours into mastering our state-of-the-art packaging process. Our custom foam-in-place packaging system allows us to safely package almost any item regardless of irregular shapes or sizes. Most importantly, this system provides our customers with a re-usable shipping box which increases the resale value of the product and provides a shipping method for easy, secure returns. Be seen by over 70,000 monthly visitors. Visit us online to Buy / Sell / Trade / Consign Payment: Prompt payment is expected. Paypal is preferred but all forms of payment are accepted. Unpaid item case will be opened after 3 days if no payment received. Shipping Times: Most Domestic orders ship within 1 business day of purchase. For International orders or freight shipments, please allow 2-3 business days. In all cases, tracking information will be emailed to you at the moment the shipping label is created. If you cant find it or have other questions about shipping & logistics, please contact us. Shipping Costs: Flat rate shipping costs are applicable within the contiguous 48 States (USA). These rates are clearly posted on each product page. For an International or custom quote (including Hawaii, PR, AK) please contact us. Returns: Every purchase made on eBay carries a 30-day, satisfaction-guaranteed return policy. If youre not happy with your purchase for any reason or if youve simply changed your mind... no problem. Simply ship it back for a full refund or exchange (minus S&H costs). If you have received an item that is defective in some way, we will make it right. Let us know - we will pay for return shipping and repair the item or refund 100% of your original purchase price.

The units were only powered on, no further testing was done. SELLING AS IS. No accessories will be included. Comes with what is shown in pictures only. There are signs of use like scratches and scuffs throughout.

Adcom GFA 5503 3 Channel Power Amplifier. Works as it should and sounds great. Has a few scuffs and scratches. A few of the back heat sink fins are bent as can be seen in pics. Includes power cord. Shipping is $125 to the continental US; all others use eBays Global Shipping Program. Sorry, no shipping to Alaska, Hawaii or Puerto Rico.

Fully functional Adcom Gfa 5503 three channel amplifier. Pushing 200 watts rms per channel at 8ohms. Amplifier is in good working condition.

Fully functional Adcom Gfa 5503 three channel amplifier. Pushing 200 watts rms per channel at 8ohms. Amplifier is in good working condition.

Adcom GFA 5503 3 Channel Power Amplifier. Works as it should and sounds great. Has a few scuffs and scratches. A few of the back heat sink fins are bent as can be seen in pics. Includes power cord. Shipping is $125 to the continental US; all others use eBays Global Shipping Program. Sorry, no shipping to Alaska, Hawaii or Puerto Rico.

ADCOM Mosfet GFA 5503 3 Chanel Amplifiers , 8/10 Cosmetic Looking & Full Working Condition .Will Demo play for local Pick Up . Thanks for looking .

ADCOM GFA 5503 3 Chanel Amplifiers , 8/10 Cosmetic Looking & Full Working Condition .Thanks for looking

Selling my very nice Adcom, 5503 Three Channel High, current power amplifier 200x3 at 8 ohm load 350x3 at 4 ohm load Extremely powerful, great sound quality and imaging I recommend using the provided. Hi current cable inside of the factory cable you will hear a difference on your midbass and deep bass. This is an adult on amp that works 100% ready to plug-and-play will be professionally packed and ship to ensure safe arrival Please email with any questions. Thank you.

Adcom GFA-5503 Three Channel Power Amplifier. I will throw in a external 12-volt power switch (worth $80), if the amp if purchase at the Buy It Now price. Used in good condition. The amp has been tested and is producing 200 w/ch RMS into 8 Ohms. The rear heat sinks are bent on the back left-hand corner. Please review the photos and message me if you have any additional questions about the condition. Unleash pure power with the Adcom GFA-5503 amplifier, delivering 200 watts continuous average power into 8 ohms and an impressive 350 watts into 4 ohms, spanning from 20Hz to 20kHz with all channels driven at less than 0.18% THD. Experience unparalleled audio fidelity and elevate your sound system to new heights, ensuring crystal clear audio across all frequencies. GFA-5503 SPECIFICATIONS Power Rating (To FTC Requirements) 200 watts continuous average power into 8 ohms at any frequency: 20Hz to 20kHz with all channels driven at less than 0.18% THD 350 watts continuous average power into 4 ohms at any frequency: 20Hz to 20kHz with all channels driven at less than 0.18% THD IM Distortion (SMPTE) 1 watt to 200 watts into 8 ohms..... < 0.05% 1 watt to 350 watts into 4 ohms..... < 0.05% IM Distortion (CCIF, Any Combination from 4kHz to 20kHz) 200 watts into 8 ohms..... < 0.04% 350 watts into 4 ohms..... < 0.04% THD + Noise at 200 watts into 8 ohms (Typical) 20Hz..... 0.018% 1kHz..... 0.02% 10kHz..... 0.07% 20kHz..... 0.13% THD + Noise at 350 watts into 4 ohms (Typical) 20Hz..... 0.018% 1kHz..... 0.02% 10kHz..... 0.08% 20kHz..... 0.16% Frequency Response @ 1 watt into 8 ohms (10Hz to 20kHz)..... +0, -0.25dB Power Bandwidth (-3dB)..... 3Hz to 130kHz Dynamic Headroom into 4 ohms..... 1.7dB Signal to Noise Ratio, A Weighted (200 watts into 8 ohms)..... >100dB Gain...... 29dB Input Sensitivity for 1 watt..... 0.1 volts for 200 watts..... 1.4 volts Input Impedance..... 49.9kW Damping Factor (20Hz to 20kHz)..... >700 Rise Time (5kHz, 90V, peak-to-peak square wave, 20% to 80%)..... 1.5mS Power Consumption (Continuous, Both Channels Driven) Quiescent..... 199VA 200 watts into 8 ohms..... 855VA Maximum..... 1440VA Power (Available in 230VAC on special order)..... 115VAC - 50/60Hz Chassis Dimensions..... 7 (178mm) x 17 (432mm) x 16 (406mm) Maximum Dimensions..... 7¼ (184mm) x 17 (432mm) x 16 (406mm) Weight..... 57 lb. (10.0kg) Weight, Packed..... 63 lb. (11.3kg)

Selling my Adcom three channel amp. Model number GFA-5503.This can be used as a two channel amp if you prefer, thats how I used it.Rated at 200 watts per channel at 8 ohms and 350 watts per channel at 4 ohms.This amp is in mint condition with no funny smells, no nicks, no scratches,no dents, no bent or broken cooling fins. From a no smoking home.It comes with the power cord and a copy of the owners manuel.This is heavy beast and weights almost 60 pounds.I do know how to package this the right way.It will ship in a new 24x24x12 inch box with the appropriate packaging material.You will receive it safe and soundsorry about the shipping cost but this is heavy, will ship to the lower 48 states onlyThe two white marks on the front fins are just lint from the towel I used to wipe it down,I saw this after I posted

The worlds largest online retailer of pre-owned audio Product DescriptionWho we areWhat we doOur ProcessOur Policies Adcom GFA-5503 Three Channel Power Amplifier; GFA5503 Product SKU: 52173 Voltage: 120V # of Owners: 1 Service History: None Serial Number: A03LDB01193 Age: Unknown Tobacco Exposure: No Cosmetic Description: Good cosmetic condition with some minor visible cosmetic wear including a few barely visible nicks on the top of the rear heat sink. There are a few light stains on the faceplate within the bevels of the unit. There is some minor discoloration on the left and back heat sinks. This item has some very light wear but still presents like new from your listening position. What is Included: Amplifier, Manual, Power cable Other Notes: Fell in love with this amp right away before it was even broke in. Sound was dynamic, clean and clear, bass was punchy and tight which is what I was looking for in an amp. I am going to give this amp a high rating in both areas because it truly deserves it. Do yourself a favor, if your in the market for an amplifier that will not only sound GREAT for stereo listening but also spectacular for home theater this is the amp for you. Buy one and see for yourself. - User Review Functional Notes: Operational condition of this item is excellent, fully tested and no issues found. Shipping: Cost to ship this item within the contiguous United States is a flat rate of $80- including packaging and insurance. For all other locations including Hawaii, Puerto Rico and Alaska, please request a quote prior to purchase. Items with factory packaging will be double boxed. When factory packaging not available re-usable shipping box with custom injected-foam mold will be used. (for all items over 10 lbs). Note that all items valued over $750 will require a signature upon delivery. Your online source for the best value in new and used audio gear. Visit us online to Buy / Sell / Trade / Consign The Music Room is the largest online retailer of pre-owned HiFi equipment in the world. Headquartered in beautiful Boulder Colorado, The Music Room is a team of 17 strong (and growing) music lovers - all dedicated to one singular mission: delivering the very best online shopping experience in the audio industry - period. We specialize in well-cared for, previously used gear because that is what we are passionate about. We feel that there is nothing more fulfilling than creating a high-performance system on a budget with carefully selected used components, speakers and cables. Our program is safe, secure, fast, fair, hassle-free and highly effective. Visit us online to Buy / Sell / Trade / Consign Buy: Are you looking to get a fair price for your used home audio equipment without all the hassles, headaches, risks and fees? We will appraise your equipment and make you a quick, easy, fair cash offer. Just fill out our “get a quote” form on our homepage to start the process. Sell: We sell in multiple online venues with many (but not all) of our products available in our eBay store. Everything is quality-assured and backed by our best-in-class, satisfaction-guaranteed return policy. Trade: Make your budget go further with a generous trade-in allowance. Let us know what you have available, and we’ll get you the best possible trade-in allowance. We can even assist with shipping & logistics from anywhere in the USA. Just fill out our “get a quote” form on our homepage to start the process. Consign: We offer a hassle-free way for individuals and businesses to liquidate used gear. We’ll handle every step of the process from shipping to appraisals, customer service, fulfillment, and returns: Industry-low rates with no hidden fees Leverage our world-class reputation and get exposure in multiple sales venues - putting your product in front of over 570k monthly shoppers. Our program is Safe, Secure, Fast, Fair, Hassle-Free and Highly Effective. With 100% feedback ratings in every venue in which we sell, you can rest assured that we’ve got your back. Visit us online to Buy / Sell / Trade / Consign Quality Assurance: We offer 15-20 new product listings for sale daily. Each product undergoes an extremely rigorous quality-assurance and listening session by one of our qualified technicians. We understand that buying used audio equipment can be rife with uncertainty and unexpected headaches. Our quality assurance program is informed by a knowledge-base built through delivering over 30,000 used audio products to satisfied customers. We promise to deliver your product in good working order - exactly as described 100% of the time. Support: We don’t just make promises. We stand behind them - your satisfaction is guaranteed. Our support team is ready to help you with any questions you might have before and after the sale. Value: In the never-ending pursuit of high performance, it’s important to stretch your limited budget as far as possible. Used equipment sells for a fraction of new prices, and with a partner like The Music Room you can upgrade any time you like and get most of your money back. There’s simply no better way to maximize a limited audio budget. Packaging: We’ve invested thousands of dollars and countless hours into mastering our state-of-the-art packaging process. Our custom foam-in-place packaging system allows us to safely package almost any item regardless of irregular shapes or sizes. Most importantly, this system provides our customers with a re-usable shipping box which increases the resale value of the product and provides a shipping method for easy, secure returns. Be seen by over 70,000 monthly visitors. Visit us online to Buy / Sell / Trade / Consign Payment: Prompt payment is expected. Paypal is preferred but all forms of payment are accepted. Unpaid item case will be opened after 3 days if no payment received. Shipping Times: Most Domestic orders ship within 1 business day of purchase. For International orders or freight shipments, please allow 2-3 business days. In all cases, tracking information will be emailed to you at the moment the shipping label is created. If you cant find it or have other questions about shipping & logistics, please contact us. Shipping Costs: Flat rate shipping costs are applicable within the contiguous 48 States (USA). These rates are clearly posted on each product page. For an International or custom quote (including Hawaii, PR, AK) please contact us. Returns: Every purchase made on eBay carries a 30-day, satisfaction-guaranteed return policy. If youre not happy with your purchase for any reason or if youve simply changed your mind... no problem. Simply ship it back for a full refund or exchange (minus S&H costs). If you have received an item that is defective in some way, we will make it right. Let us know - we will pay for return shipping and repair the item or refund 100% of your original purchase price.

Adcom 5503 Power Amplifier.