Carver PM1200 Audio Amplifier. Powers up but has a popping

VINTAGE CARVER DTL-200MK2 (Manufactured January 1988) ***** PLEASE READ AND UNDERSTAND ALL THE FOLLOWING DISCLAIMERS BEFORE BID/PURCHASE ***** This piece of electronics gear is 35+ years old, and unlike wine, electronics do NOT get finer with age.The unit was tested with remote and was found to be in working orderThese units almost never have the remote - the original Carver remote is included with this sale!!!NO, I will not separate remote from player and vice versa!AS-IS, no returns!Vintage always entails some level of risk. Your unit may work for 5 seconds, minutes or years. Buyer assumes all liabilityPlease ask in email anything you would like to know about the unit before purchasing.Good luck and happy shopping! The DTL-200 uses the latest laser pick-up systems, sophisticated over- sampling and digital filtering technology, and well -engineered mechanical transport designs which ensure fast track access time and increased freedom from feedback. The more samples, the more accurate the music. Carver Compact Disc Players begin with the most advanced digital -to -analog D/A translation circuitry available. Along with an audible signal ranging up to 20kHz, endless images of the signal at 40K, 80K. 160K etc. exist which must be removed from the signal to prevent harmonic problems. Budget model Compact Disc Players place a simple anti -imaging filter after the digital/analog converter stage. Carver uses DIGITAL filtering ahead of the D/A converter through a process called double oversampling. The signal is passed through a shift register which delays the samples. so that the weighted average of a large number of signals is generated. Through a complex process. frequency bands are suppressed between 20kHz and 160kHz. eliminating harmonic distortion problems early on before the complicated D/A translation. The exclusive Digital Time Lens. Both the DTL-200 and DTL-50 have the remarkable Carver Digital Time Lens to further enhance your listening enjoyment. When Bob Carver first listened critically to CDs. he immediately detected differences between the digital version and well -mastered analog versions. (See the story of the Digital Time Lens on page 26 of this publication.) These differences continue to exist on many new Compact Disc releases. depending on the mastering facility, condition of the original tape (remember. over 80% of all CDs begin with a reel-to-reel tape master!) and engineering tastes. The Digital Time Lens restores both the lost ambience and the octave -to -octave balance originally intended by the musician and recording engineer as evidenced by the analog recording. and enhances ambient effects found on corresponding analog discs. The result is a sound with more of the three-dimensional ambient information that places us in the same space with performers. Sometimes more is not better. If one laser pick-up is good. many manufacturers have reasoned that customers will assume that three lasers must be better. The DTL-200 and DTL-50, along with several other of the worlds finest CD players; use a sophisticated single laser system. (Sometimes Less is More.) Through a beam splitting process using aerospace -grade optics, a single lasers output is received by SIX diode pick-ups and monitored through ultra -high speed servo tracers. This approach increases Carver Compact Disc Players ability to correct for mis-tracking caused by production flaws, fingerprints and dust. CARVER DTL-200 COMPACT DISC PLAYER WITH DIGITAL TIME LENS AND TIME DOMAIN CORRECTION. I4 -function infrared wireless remoteDigital Time LensTime Domain Correction9-track programmability The DTL-200 is replete with easy -to -use features. the latest digital -to -analog translation technology. Carvers exclusive Digital Time Lens circuitry and an important new innovation. Time Domain Correction. which can actually adjust for imperfections in digital source material and disc manufacturing! A built-in quality control computer. Time Domain Correction constantly monitors the incoming digital signal for imperfections and glitches: These high frequency harmonics may be caused in the recording process. during the incredibly intricate Compact Disc mastering process or as part of the final production of the CD. Such errors in the digital bit -stream cannot be corrected by conventional tracking correction or D/A circuitry because they are part of the actual information being read off the CD. Yet they can add to overall harmonic distortion and cause audible changes in sound quality. The DTL-200 constantly performs a complex. 25 -bit digital calculation on passing digital data. This high-speed error correction code, in conjunction with a 12I -pole digital filter. terminates distortion -generating high harmonics. (In effect, this circuit acts as a 12Ist Order Crossover. rolling off distortion products by a whopping 728dB/octave!) The result is frequency response within 1/1000 of a dB of the original and reduction of distortion to 0.007%. The DTL-200s slim. I4 -function wireless remote duplicates all front panel operations -even power on and off. Along with the ability to skip forward or backward. song -by -song, a touch of a key allows you to audibly review a disc. backward or forward, at many times normal speed. This is especially useful in conjunction with the DTL-200s A -B Specific Phrase Replay/ Repeat feature. If you wish to carefully analyze one section of a performance. make out indistinct lyrics or just repeat an incredible musical passage of any length repeatedly, you need only mark the beginning and end with one remote control key. Naturally the DTL-200 also lets you repeat any specific track or a whole Compact Disk for uninterrupted enjoyment. Select as many as twelve songs from a CD in any order. Delete the tracks you dont want to hear. Repeat your favorites several times. Or just rearrange their order. For classical music lovers. the DTL-200 also has complete indexing capabilities as well. All functions are displayed on an easy to -read but subtle LCD display including programming sequence, current selection number, total CD playing time. individual track playing time and total CD elapsed time. Specifications Frequency Response: DTL-200 5Hz-20kHz @ 0dB ±0 2db Total Harmonic Distortion: DTL-200 0 007% S/N: DTL-200 100dB Channel Separation: DTL-200 90dB @ 1kHz Dynamic Range: DTL-200 100dB Wow & Flutter: DTL-200 Unmeasurable Output Voltage: DTL-200 2.0V (F.S.) Size: DTL-200 3.5 H x 19 W x11 D Weight: DTL-200 14 lbs.

Carver DTL-200 HIGH END CD PLAYER AUDIOPHILE (FOR PARTS OR REPAIR) Cord Cut. I get a number of items from a group that does estate and business clean outs and for whatever reason they cut the cords on electronics before taking them to the recycling place. Often times I get to them after they have done this unfortunately. That being said I do not know if the item works or not.

Carver M-400t Stereo Power AmplifierLegendary Carver Cube amplifier. Just seven inches on a side.200 Watts per Channel into 8 OhmsExcellent cosmetic conditionFully refurbished. All electrolytic capacitors replaced, including the expensive high voltage caps.Fully tested. Power supply and channel bias set to factory specifications.Sounds fantastic!Fully functional. No problems.Includes printed copy of manualShipping to USA only. No PO BoxesWill ship UPS with signature requirement

Carver DTL-200 HIGH END CD PLAYER AUDIOPHILE (FOR PARTS OR REPAIR) Cord Cut. I get a number of items from a group that does estate and business clean outs and for whatever reason they cut the cords on electronics before taking them to the recycling place. Often times I get to them after they have done this unfortunately. That being said I do not know if the item works or not.

Selling a carver amplifier as I upgraded. Works Great. Front faceplate excellent, some wear on the case and previous owner etched info, very small easy to repaint Specifications: Power output: 120 watts per channel into 8? (stereo), 350 watts into 8? (mono) Frequency response: 1Hz to 100kHz Total harmonic distortion: 0.15% Signal to noise ratio: 100dB Speaker load impedance: 4? (minimum) Dimensions: 17.32 x 2.55 x 9.20 inches

Carver PM1200 Audio Amplifier. Powers up but has a popping

Carver DTL-200MK2 CD Player High End Vintage 1987 Looks great! had this for many years but havent used recently as I stream alot. plays well but sometimes doesnt start right at the beginning of a song and very occasionally skips. probably a lens cleaning issue or perhaps an adjustment within that I would know nothing about. very high end in its day and has always been dependable. matches other items in that group so I may sell them later. comes with original remote will need AA batteries. rate it 9/10 on looks with no heavy scratches on unit and perfect glass and all lights work. sold as-is and as described. receiver not included. thanks for looking! will have more electronics soon as I have a stereo in almost every room. US BIDDERS AND ADDRESSES ONLY PLEASE!!

The Carver Receiver 2000 - Remote Control - (1 Only) Condition is Used. Lots of scratches/scuffs condition Tested and Working Battery cover is good ITEM / ITEMS CONDITION Please see photos for condition and look closely as we do our best to get the flaws in pictures sometimes it’s extremely hard to get them to come thru on photos. More photos are always available by contact if you wish, so feel free to contact anytime. PLEASE FEEL FREE TO CONTACT US ANYTIME IF YOU HAVE ANY QUESTIONS ABOUT THE ITEM OR ITEMS LISTED AS IT’S BEST TO ASK PRIOR TO BIDDING OR PURCHASING THEN TO DEAL WITH IT AFTERWARDS. All our items will be double checked to insure items are as posted. We take great pride in insuring everything has been looked over prior to listing and verifying prior to shipping. As mistakes may happen in my post please reach out if you notice a problem or mistake. SHIPPING PACKAGING WILL BE PROFESSIONALLY DONE WITH COMPLETE PROTECTION **** CANADA **** SHIPPING IN CANADA ONLY NOT INCLUDING THE YUKON AND NWT ****USA **** IF SHIPPING IS AVAILABLE TO THE USA FOR THIS ITEM IT WILL ONLY BE TO THE LOWER 48 STATES WE ONLY USE CANADA POST FOR THE ITEMS THAT THEY CAN HANDLE UP TO A CERTAIN SIZE AND WEIGHT WISE. DIFFERENT SHIPPER MAY BE REQUIRED FOR LARGER AND HEAVIER ITEMS. NO INSURANCE IS ADDED TO SHIPMENTS ….. IF YOU WANT IT INSURED PLEASE CONTACT PRIOR TO PURCHASING SO COSTS ARE ADDED …. ALL ITEMS ARE SHIPPED AT SOLD PRICE LESS SHIPPING COSTS RETURNS RETURNS ARE NOT ACCEPTED SO PLEASE REVIEW THE PICTURES CLOSELY …. IN THE ODD CASE THEY ARE YOU ARE REQUIRED TO PAY FOR SHIPPING BACK AT YOUR COST IF FROM OUTSIDE OF CANADA AND WILL BE REIMBURSED ONCE ITEM IS RECEIVED BACK. PAYMENT INFORMATION - Please pay for your items within 2 days after the auction has ended. - Please insure shipping address is correct, all steps will accelerate the delivery. - Please contact us for details if you want to purchase more items as it may save money on combine shipping. IN MOST CASES AUDIO MUST BE SHIPPED AS IS BUT PARTS CAN BE IN MOST CASE PENDING ON SIZE AND WEIGHT. CONDITION AND FEEDBACK All our items will be double checked to insure items are as posted. We take great pride in insuring everything has been looked over prior to listing and verifying prior to shipping. As mistakes may happen in my post please reach out if you notice a problem or mistake. *** PLEASE CONTACT BEFORE LEAVING ANY FEEDBACK IF UNHAPPY *** IF YOU DON’T POINT OUT A PROBLEM OR MISTAKE, WE CAN’T IMPROVE OUR SERVICE AND COMMITMENT THANK YOU FOR STOPPING BY

I have a vintage Carver DTL-200MK2 high end CD player. It was made in Japan and released in the year 1987. It has Digital Time Lens (DTL) and it looks like it can be rack mountable. Its powered by a regular 2-prong power cord. I plugged it in and the front screen appears to work just fine and all the functions appear to work as they should as well. This includes the power on/off button. However, the open/eject button appears to not work. The CD tray will not open no matter what I do. Also, the disc error light above the CD tray is solid red all the time while turned on. So I am unable to properly test this Carver CD player. I do not know if its a function issue with the button. When I press the open/eject button, it does shows DISC on the screen, which means its trying to open the tray. I do not even hear the motor working at all, so maybe its the motor or belt. Either way, I do not have the knowledge to figure out what the issue is or how to repair it. The power cord also has a nick on it. I added a photo showing what I am referring too, but it looks superficial and just at the surface. It does not affect the power, though maybe if you do get this CD player to work, protect the area from further damage by putting some electric tape around it. This Carver CD player unit has been used before and was in storage for a good amount of time and does have wear and tear. This includes some scratches and markings on the case, as well as some of the silver coloring on the front has rubbed off in some small areas. But physically, it appears to still be in decent condition. But because of the disc reading error and the CD tray not opening up, I am unable to fully test it and that is why I have it marked for parts, or not working. You can use it for parts or repair, but I am selling it as is, no returns and no refunds. You can review the photos provided for this listing to get a better idea of the overall look and condition of this item. If you have any questions, or need more photos to help make a decision, feel free to send me a message. Please note, the color of this item may look different in the photos due to lighting.

Carver TD-1200 Cassette Deck. Sold as is. Untested. I don’t have any cassettes

I have a vintage Carver DTL-200MK2 high end CD player. It was made in Japan and released in the year 1987. It has Digital Time Lens (DTL) and it looks like it can be rack mountable. Its powered by a regular 2-prong power cord. I plugged it in and the front screen appears to work just fine and all the functions appear to work as they should as well. This includes the power on/off button. However, the open/eject button appears to not work. The CD tray will not open no matter what I do. Also, the disc error light above the CD tray is solid red all the time while turned on. So I am unable to properly test this Carver CD player. I do not know if its a function issue with the button. When I press the open/eject button, it does shows DISC on the screen, which means its trying to open the tray. I do not even hear the motor working at all, so maybe its the motor or belt. Either way, I do not have the knowledge to figure out what the issue is or how to repair it. The power cord also has a nick on it. I added a photo showing what I am referring too, but it looks superficial and just at the surface. It does not affect the power, though maybe if you do get this CD player to work, protect the area from further damage by putting some electric tape around it. This Carver CD player unit has been used before and was in storage for a good amount of time and does have wear and tear. This includes some scratches and markings on the case, as well as some of the silver coloring on the front has rubbed off in some small areas. But physically, it appears to still be in decent condition. But because of the disc reading error and the CD tray not opening up, I am unable to fully test it and that is why I have it marked for parts, or not working. You can use it for parts or repair, but I am selling it as is, no returns and no refunds. You can review the photos provided for this listing to get a better idea of the overall look and condition of this item. If you have any questions, or need more photos to help make a decision, feel free to send me a message. Please note, the color of this item may look different in the photos due to lighting.

We have for sale a paper original factory service manual for a Carver Receiver 2000. Generally clean unless noted otherwise. Please read below for details: We are selling off service manuals from our old shop and that of another friendly competitor from the area. These were both very active repair shops in their day and the manuals got used! We will try to point out any flaws we spot other than ones visible in the pictures. There is often writing in the manuals but generally it is helpful service information to help fix a quirky problem a technician encountered while working on the unit. When it says service notes on back page or see bulletins on the front cover it doesnt necessarily mean they are in this manual! Often the bulletins were kept elsewhere in the shop. PLEASE MAKE SURE THIS MANUAL IS AN EXACT MATCH TO THE COMPONENT YOU HAVE! Sometimes manufacturers will have more than one product out with similar but not identical circuitry, If youre unsure please ask questions first. We are unable to respond to requests for specific manuals. I will list more as I have time but Im still actively busy with other parts of what is now a one man operation. Sorry but local pick-up is NOT available at this time! Note that E-Bay is now collecting sales tax for the home state of the buyer. Thanks very much for looking.

NEW Carver PM-1200 Amplifier 2-in-1 OWNERS and SERVICE MANUAL:Laser black & white reprint copy69 pagesPrinted on high quality paper (8 1/2 x 11 inches letter size)Comb bindingProtective transparent coverFree Media Mail shipping in U.S.A.* USPS Media Mail may take 2 to 3 weeks for delivery. If you need a faster shipping service at extra cost, please message me before placing your order. Fast shipping, Super EBAY Seller EXCELLENT Manuals These manuals are excellent and well worth having to use and protect orig. Seller not only bent over backwards for me but then he did a complete flip !! Honest, trustworthy, and would use again and recommend! Fast Shipping: We will ship it out to you within 1 day (24 hours) of receiving payment. Domestic shipping to lower 48 states only. The post office is closed on Sundays and holidays, so please add an extra day to the delivery time. International buyers: We offer shipping to customers worldwide through eBays Global Shipping program. Your package will be shipped to eBays shipping center in the state of Kentucky, where it will be processed and shipped to you. You are responsible for the shipping cost and any import/customs/tax fees. Return/Refund: Please message me first if you experience any problems. I will try my best to fix them. Free return if the item is not as described.Payment: Immediate payment is required for Buy it Now. Requests: Let us know if there is a specific manual you want. Wed be happy to put one together for you.

Carver PM1200 Audio Amplifier. Powers up but has a popping

Carver TD-1200 Cassette Deck. Sold as is. Untested. I don’t have any cassettes

I GOT THIS CARVER MAGNETIC FIELD POWER AMP 2000 KNOBS MISSING FROM AN ESTATE SALE. ALSO TO AVOID US RECEIVING NEGATIVE FEEDBACK, PLEASE ASK LOTS OF QUESTIONS TO MAKE SURE WE ARE BOTH ON THE SAME PAGE WITH YOUR PURCHASE. I WANT HAPPY CUSTOMERS THAT WILL RETURN AND BUY AGAIN. I’M IN THIS FOR THE LONG HAUL. I AM VERY AGGRESSIVE ESTATE AND STORAGE UNIT BUYER AND BUY LOTS. SO I AM FLEXIBLE WITH PRICING IF IT MAKES SENSE TO ME. I AM ALSO NOT A GENIUS WHEN IT COMES TO SOME OF THESE ITEMS SO STEP IN IF YOU HAVE A QUESTION OR CONCERN WITH HOW I MIGHT BE REPRESENTING THIS ITEM. THANK YOU VERY MUCH

I GOT THIS CARVER MAGNETIC FIELD POWER AMP 2000 KNOBS MISSING FROM AN ESTATE SALE. ALSO TO AVOID US RECEIVING NEGATIVE FEEDBACK, PLEASE ASK LOTS OF QUESTIONS TO MAKE SURE WE ARE BOTH ON THE SAME PAGE WITH YOUR PURCHASE. I WANT HAPPY CUSTOMERS THAT WILL RETURN AND BUY AGAIN. I’M IN THIS FOR THE LONG HAUL. I AM VERY AGGRESSIVE ESTATE AND STORAGE UNIT BUYER AND BUY LOTS. SO I AM FLEXIBLE WITH PRICING IF IT MAKES SENSE TO ME. I AM ALSO NOT A GENIUS WHEN IT COMES TO SOME OF THESE ITEMS SO STEP IN IF YOU HAVE A QUESTION OR CONCERN WITH HOW I MIGHT BE REPRESENTING THIS ITEM. THANK YOU VERY MUCH

Carver TD-1200 Cassette Deck. Sold as is. Untested. I don’t have any cassettes

I GOT THIS CARVER MAGNETIC FIELD POWER AMP 2000 KNOBS MISSING FROM AN ESTATE SALE. ALSO TO AVOID US RECEIVING NEGATIVE FEEDBACK, PLEASE ASK LOTS OF QUESTIONS TO MAKE SURE WE ARE BOTH ON THE SAME PAGE WITH YOUR PURCHASE. I WANT HAPPY CUSTOMERS THAT WILL RETURN AND BUY AGAIN. I’M IN THIS FOR THE LONG HAUL. I AM VERY AGGRESSIVE ESTATE AND STORAGE UNIT BUYER AND BUY LOTS. SO I AM FLEXIBLE WITH PRICING IF IT MAKES SENSE TO ME. I AM ALSO NOT A GENIUS WHEN IT COMES TO SOME OF THESE ITEMS SO STEP IN IF YOU HAVE A QUESTION OR CONCERN WITH HOW I MIGHT BE REPRESENTING THIS ITEM. THANK YOU VERY MUCH

Up for sale is my Klipsch RF 7 II speakers which were 3000.00 alone and I am the original owner also with my Carver Receiver 2000 which plays very well. Comes with factory remote which works very well. Has 1 broken knob which can be purchased on eBay. Comes with complete rack system and a Sony 5 Disc cd player. This whole system works as it should. Selling due to the fact of my age and moving soon and the speakers are very heavy. Local pickup only. Any questions please ask.

NEW Carver PM-1200 Amplifier 2-in-1 OWNERS and SERVICE MANUAL:Laser black & white reprint copy69 pagesPrinted on high quality paper (8 1/2 x 11 inches letter size)Comb bindingProtective transparent coverFree Media Mail shipping in U.S.A.* USPS Media Mail may take 2 to 3 weeks for delivery. If you need a faster shipping service at extra cost, please message me before placing your order. Fast shipping, Super EBAY Seller EXCELLENT Manuals These manuals are excellent and well worth having to use and protect orig. Seller not only bent over backwards for me but then he did a complete flip !! Honest, trustworthy, and would use again and recommend! Fast Shipping: We will ship it out to you within 1 day (24 hours) of receiving payment. Domestic shipping to lower 48 states only. The post office is closed on Sundays and holidays, so please add an extra day to the delivery time. International buyers: We offer shipping to customers worldwide through eBays Global Shipping program. Your package will be shipped to eBays shipping center in the state of Kentucky, where it will be processed and shipped to you. You are responsible for the shipping cost and any import/customs/tax fees. Return/Refund: Please message me first if you experience any problems. I will try my best to fix them. Free return if the item is not as described.Payment: Immediate payment is required for Buy it Now. Requests: Let us know if there is a specific manual you want. Wed be happy to put one together for you.

I GOT THIS CARVER MAGNETIC FIELD POWER AMP 2000 KNOBS MISSING FROM AN ESTATE SALE. ALSO TO AVOID US RECEIVING NEGATIVE FEEDBACK, PLEASE ASK LOTS OF QUESTIONS TO MAKE SURE WE ARE BOTH ON THE SAME PAGE WITH YOUR PURCHASE. I WANT HAPPY CUSTOMERS THAT WILL RETURN AND BUY AGAIN. I’M IN THIS FOR THE LONG HAUL. I AM VERY AGGRESSIVE ESTATE AND STORAGE UNIT BUYER AND BUY LOTS. SO I AM FLEXIBLE WITH PRICING IF IT MAKES SENSE TO ME. I AM ALSO NOT A GENIUS WHEN IT COMES TO SOME OF THESE ITEMS SO STEP IN IF YOU HAVE A QUESTION OR CONCERN WITH HOW I MIGHT BE REPRESENTING THIS ITEM. THANK YOU VERY MUCH

This Carver MXR-2000 is NOT being sold for parts, check pictures for condition. -COMES WITH REMOTE- item was tested, i have papers from carver that will go with the item. feel free to notify me if you have any questions thank you. USE POWER STRIP WITH THESE UNITS AS A SLIGHT JOLT WILL PUT IT IN PROTECTION MODECombining Magnetic Field Amplifier technology, Sonic Holography and Asymmetrical Charge-Coupled FM Detector technology, the Carver 2000 is an incredible audio receiver. Offering 200 watts of RMS per channel, this audio receiver offers a superior performance. Also included for your entertainment in this Carver receiver is an FM radio with six presets. With its 20Hz to 20kHz frequency response, this audio receiver offers clear and detailed output over a wide spectrum of audio frequencies. With the tone controls on this Carver receiver, you can adjust the bass, midrange, volume, and treble. The sturdy chassis of the Carver 2000 offers durability. Carver MXR-2000 Amplifier Section8-ohm FTC rated power/ch200W4-ohm FTC rated power/ch2-ohm dynamic power/chBridged mono power4/8-ohm FTC rated THD0.15%Rated full power bandwidth1Hz to 30kHz +-0.1dBS/N-IHF A-Weighted,dBSlew Rate>100Dimensions (HxWxD inches)5.5 H, 19 W, 17.9 DCommentsProtection: Short Circuit DC Offset Low/High Frequency TripTuner SectionIHF Sensitivity mono/stereo,dBf1.8uVCapture ratio,dB1.5dBAM Suppression,dBAlt. ch. sensitivity,dBSeperation at 1kHz,dB45dBTHD at 1kHz,stereo0.1%Maximum S/N,stereo,dB78dBStation presetsCommentsPreAmp SectionFrequency response20Hz to 20kHz + 0.5dBMaximum OutputTotal Harmonic Distortion0.05%S/N-IHF A-WeightedPhono sensitivity for 0.5V@1kHzMM Phono Overload mVPhono input capacitance pF47K ohmMM S/N A-weighted 0.5v ref.85dBMC S/N A-weighted 0.5v ref.76dBTone ControlsInput Carver MXR-2000 , also known as The Carver Receiver 2000,  is part of ‘The Receiver’ line from Carver. It started when Bob Carver designed no model number The Carver Receiver which in time became the MXR-130 and had 130 watts per channel. Next in line was the MXR-150 which was just an upgraded MXR-130 and had 150 watts per channel.  Then along came the MXR-900 and the MXR-2000. The MXR-2000 can power most any speakers with 200 watts per channel and its above mentioned Asymmetrical Charge-Coupled FM Detector technology results in excellent FM tuning and separation. The Sonic Holography technology is said to give music extreme detail and soundstage. I believe the MXR-130 and MXR-150 both incorporated the ACCD and MFA technology while the SH tech was added in the MXR-900 and MXR-2000. The MFA technology reduced the need for large transformers and filter capacitors which resulted in a lighter receiver then you might expect for the power output.