This is a reprint of an Audio Review from 1977! This review will have SPECS, COMMENTARY, DETAILS, and INFORMATION about the unit listed. . You wont be dissapointed! A piece of Audio History! I have THOUSANDS more Ads and Reviews on my Ebay Store. Email with ANY questions, THANKS! -Search for any brand you like on the left side in my Store Search bar. I have almost every popular Audio brand! -Each Page is 8.5 by 11 -Shipping is $3 in the USA and $6 ANYWHERE else, I ship WORLDWIDE! Each additional item is only $1 more to ship! -As always, your satisfaction is GUARANTEED at Electronics Archives! If you are unhappy with any purchase, email and I will get you a resolution or a refund! -Email me with any questions, I put 10-20 new Ads and Brochures on my site EVERY DAY! THANK YOU! Powered by eBay Turbo ListerThe free listing tool. List your items fast and easy and manage your active items.

This is a reprint of an Audio Brochure from Pioneer! A very rare brochure about the Amplifier line from 1980. It is a beautiful brochure with 6 pages. These are the best Amplifiers and Preamps EVER made from Pioneer! It has the Specs for all the units in the brochure. Many articles and pictures for the technology in this unit. It is from 1980. This a very rare brochure, a beautiful addition to your collection! You wont be disappointed! A piece of Audio History! I have THOUSANDS more Ads and Reviews on my Ebay Store. Email with ANY questions, THANKS! -Search for any brand you like on the left side in my Store Search bar. I have almost every popular Audio brand! -Each Page is 8.5 by 11 -Shipping is $3 in the USA and $6 ANYWHERE else, I ship WORLDWIDE! Each additional item is only $1 more to ship! -As always, your satisfaction is GUARANTEED at Electronics Archives! If you are unhappy with any purchase, email and I will get you a resolution or a refund! -Email me with any questions, I put 10-20 new Ads and Brochures on my site EVERY DAY! THANK YOU! Powered by eBay Turbo Lister The free listing tool. List your items fast and easy and manage your active items.

This is a reprint of an Audio Brochure from Pioneer! A very rare brochure about the Series Twenty (U-24, C-21, D-23, M-22) from 1980. It is a beautiful brochure with 2 pages. This is the best Amplifier/Preamp EVER made from Pioneer! It has the Specs for all the units in the brochure. Many articles and pictures for the technology in this unit. It is from 1980. This a very rare brochure, a beautiful addition to your collection! You wont be disappointed! A piece of Audio History! I have THOUSANDS more Ads and Reviews on my Ebay Store. Email with ANY questions, THANKS! -Search for any brand you like on the left side in my Store Search bar. I have almost every popular Audio brand! -Each Page is 8.5 by 11 -Shipping is $3 in the USA and $6 ANYWHERE else, I ship WORLDWIDE! Each additional item is only $1 more to ship! -As always, your satisfaction is GUARANTEED at Electronics Archives! If you are unhappy with any purchase, email and I will get you a resolution or a refund! -Email me with any questions, I put 10-20 new Ads and Brochures on my site EVERY DAY! THANK YOU! Powered by eBay Turbo Lister The free listing tool. List your items fast and easy and manage your active items.

Welcome to Audio/Video Archives, the largest home of audio literature available on eBay! This is a Out of Print and Rare print Brochure from 1979. It has info for the Pioneer SA-5800 Stereo Amplifier. It will have Pictures and Articles of the item listed along with Specifications, Articles, Information and Commentary. The Picture is of the actual item. It is a beautiful piece of Audio History. I have THOUSANDS more from every major brand of Audio from 1950 up to now. ---Satisfaction is GUARANTEED at AV Archives! Take a look at my feedback for satisfied customers! I have been open since 2007 and have sold THOUSANDS of Ads, Reviews, and Brochures to satisfied customers. ---I Ship Worldwide and combine shipping, each additional item is just $1 after the first is paid. ---Each Page is 8.5 by 11 unless otherwise noted in title. ---Single-Sided professional matte photo pages, unless otherwise noted in the title. ---These Ads and Reviews are perfect for framing and placed in your Audio Room. ---I have a HUGE Vinyl Record Store with Thousands of Collectable records, and MANY First Pressings/Audiophile LPs. Just click on my Vinyl Record Store link on the left under categories. Email me for any specific questions, You will hear back from me usually within 4 hours, THANK YOU! Greg Powered by eBay Turbo ListerThe free listing tool. List your items fast and easy and manage your active items.

This is a reprint of an Audio Brochure from Pioneer! A very rare brochure about the Amplifier line from 1980. It is a beautiful brochure with 6 pages. These are the best Amplifiers and Preamps EVER made from Pioneer! It has the Specs for all the units in the brochure. Many articles and pictures for the technology in this unit. It is from 1980. This a very rare brochure, a beautiful addition to your collection! You wont be disappointed! A piece of Audio History! I have THOUSANDS more Ads and Reviews on my Ebay Store. Email with ANY questions, THANKS! -Search for any brand you like on the left side in my Store Search bar. I have almost every popular Audio brand! -Each Page is 8.5 by 11 -Shipping is $3 in the USA and $6 ANYWHERE else, I ship WORLDWIDE! Each additional item is only $1 more to ship! -As always, your satisfaction is GUARANTEED at Electronics Archives! If you are unhappy with any purchase, email and I will get you a resolution or a refund! -Email me with any questions, I put 10-20 new Ads and Brochures on my site EVERY DAY! THANK YOU! Powered by eBay Turbo Lister The free listing tool. List your items fast and easy and manage your active items.

Pioneer SPEC-4 Power Amplifier. Untested, Listed For Parts Not Working. Please see pics for condition. Will be packaged carefully prior to shipment. Thank You for Looking!

Pioneer SPEC-4 Power Amplifier. Untested, Listed For Parts Not Working. Please see pics for condition. Will be packaged carefully prior to shipment. Thank You for Looking!

Iconic Pioneer SPEC-4 Power Amplifier. 150w/Ch! Needs no intro. If you’re reading you know. Works and sounds great. It’s a beast, so shipping cost reflect that. Comes with original manual and schematics.

This Pioneer Spec-4 Power Amplifier is a gem for any vintage electronics enthusiast. With its sleek design and powerful performance, it is sure to impress. The unit has been well-maintained and is in great working condition. The amplifier is made by Pioneer, a trusted brand in the industry. It is a power amplifier and is perfect for those who want to enhance their audio experience. If you are a collector or just looking for a high-quality amplifier, this Pioneer Spec-4 is the perfect choice. Looks and works great! May have some light exterior Cosmetic blemishes but nothing major! See pics!

****** UP FOR AUCTION IS A VINTAGE 1970S PIONEER SPEC 4 STEREO AMP THAT IS IN GOOD CONDITION POWERING ON BUT NOT TESTED WITH A SYSTEM. THE PIONEER AMP CAME FROM A DEFUNCT RECORD STORE IN CHICAGO AND IS BEING OFFERED TO USE AS IS, RESTORE TO ORIGINAL CONDITION, REPAIR IF NEEDED OR FOR PARTS.****CHECK OUT MY OTHER ITEMS AND ADD *HOCKEYBOBS* TO YOUR FAVORITE STORES!****

This 3-in-1 manual includes: 1. Pioneer Spec-4 Stereo Amplifier OWNERS MANUAL 2. Pioneer Spec-4 Stereo Amplifier SERVICE MANUAL3. Pioneer Spec-4 Stereo Amplifier BROCHURE Features:Laser black & white reprint copy56 pagesPrinted on high quality paper (8 1/2 x 11 inches letter size)Comb bindingProtective transparent front cover sheetBlack cardstock back 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 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.

PIONEER BRAND. MODEL SPEC-4. STEREO POWER AMPLIFIER. SELLING ORIGINAL BROCHURE/LITERATURE. NOT SELLING THE EQUIPMENT. DATED 1977. USED CONDITION. ++PLEASE BE AWARE SALES TAX MAYBE BE ADDED DEPENDING ON YOUR STATES POLICIES++ MADE IN JAPAN. note USPS is taking longer these days to deliver packages. I OFFER NO GUARANTEE OR WARRANTY OFFERED. SELLING AS IS. NO REFUND OFFERED. ++I WILL COMBINE SHIPPING WHEN RELEVANT++local pick-up available. IF DAMAGED IN SHIPPING BUYER MUST MAKE A CLAIM WITH THE SHIPPER. NOT JUST USE EBAY FOR RETURN. INTERNATIONAL SHIPPING WOULD ONLY BE THRU EBAYS GLOBAL SHIPPING PROGRAM. international bidders please make sure you are familiar with ebay global shipping before bidding +++COST TO BE DETERMINED BY EBAY+++. NO REFUND OFFERED. EMAIL WITH ANY QUESTION. BID AWAY!!

HI: this auction is for 2 vintage 1972 Pioneer QM-800A 4 Channel Quad Power Amplifier & QC-800 preamp spec sheets,brochures only,used vintage spec sheet/brochure from estate sale, in good condition 1 sheet double sided, QM-800A- has small area where has bumps from turning page? printed in Japan, see pictures for more details, will ship first class mail with backing in large envelope,PAYMENT DUE WITHIN 5 DAYS/// NOTE! PLEASE READ DESCRIPTION CAREFULLY FOR ALL DETAILS AND WHAT COMES IN THIS AUCTION,(In case I miss something in description) what you see is what you get,, (SEE PICTURES AS PART OF THE DETAILS OF DESCRIPTION) ((( NO FOREIGN SHIPMENTS AT ALL !!!))) NO SHIPPING TO (Territories of the United States,OR APO//DPO ADDRESS OR TO ANY OVERSEAS COUNTRY), WEST COAST BUYERS HEAVY OR LARGE ITEMS WILL COST MORE TO SHIP NEED ADDRESS ,Comes with everything shown,AS-FOUND, uncleaned. ,if you are not sure about something in the description or pictures, please email me with ANY questions BEFORE BIDDING! it will save us both time,I am a NOT a Professional Grader, ALL Conditions of items are MY OPINION!NO RESERVE! All items are sold as is USED so dont be afraid to ask questions! Items sold are in used condition, (unless otherwise noted) Payment expected within 5 days, after that the item will be relisted, and ebay notified of non payment. BUYER is to pay shipping from Grand Rapids,Michigan, (LOCAL PICK UP IS AVAILABLE),.I answer all emails in the morning I work second shift.(I WILL NOT GIVE REFUNDS ON ITEMS THAT ARE SOLD FOR PARTS OR REPAIR ONLY) , these items will be shipped by the USPS )., ANY BIDDER THAT HAS ZERO FEEDBACKS MUST BE APPROVED BY ME,OTHERWISE I WILL DISQUALIFY THE BID,There is NO REFUNDS on shipping. Please do not expect or assume anything other than as described. If the item is not as described, please e-mail me and we will resolve it, ( When stated for parts or repair it means just that, ((( NO FOREIGN SHIPMENTS AT ALL !!!))) (( I have been cheated enough. if you bid on my items and you are not in USA, I will cancel your bid at end of auction))) USA ONLY, I will leave a feedback when I know that you are completely satisfied with the transaction.

This 3-in-1 manual includes: 1. Pioneer Spec-4 Stereo Amplifier OWNERS MANUAL 2. Pioneer Spec-4 Stereo Amplifier SERVICE MANUAL3. Pioneer Spec-4 Stereo Amplifier BROCHURE Features:Laser black & white reprint copy56 pagesPrinted on high quality paper (8 1/2 x 11 inches letter size)Comb bindingProtective transparent front cover sheetBlack cardstock back 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 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.

Description*Please see the photos and buy only if you are satisfied with the item.If you have any concerns about the product, please contact us directly.Manufacturer:PioneerModel Number:Exclusive M4Type Class-A Stereo Power AmplifierCircuit TypeDifferential 1-stage PP drive2-stage Darlington quadruple PPPure complementary OCL system(Class-A operation)Effective output 50W+50W (8?, 20Hz-20kHz, B.C.D.)Harmonic distortion ratio 0.1% or less (at RMS output)0.03% or less (at 1W output)Intermodulation distortion ratio 0.1% or less (at RMS output)0.03% or less (at 1W output)Output bandwidth 5Hz to 70kHz (IHF, both channels driven)Frequency response 3Hz to 60kHz +0 -1dBInput sensitivity Input1, 2: 1V, 2VSubsonic filter8Hz(6dB/oct)Output terminalSpeaker(8?)Damping factor 30 or more (8?)Peak meter indication range 0.005W to 100W (-40dB to +3dB)Semiconductor transistors: 59ICs: 6Thyristor: 1Diodes and others: 60Power consumption 320WDimensions468mm (W) x 206mm (H) x 385mm (D)Weight 27.3kg ?Operation] Energized: NormalInput/Output: Rch seems a little weak against input.Panel operation: GoodMeter operation: Good ?Accessories] There are no accessories.ShippingItem will be shipped via FEDEX.Please allow 5 business days for handling time.Shipping from Japan.It takes approximately 4 to 7 days for the product to arrive it is shipped.International Buyers - Please Note:Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyers responsibility. Please check with your countrys customs office to determine what these additional costs will be prior to bidding or buying.Thank you for your understanding.