We have 2 Pioneer D-23 manuals available for free PDF download: Operating Instructions Manual Pioneer D-23 Operating Instructions Manual (20 pages) Electronic Crossover network.

AllegroSound * For SALE or TRADE * Crossovers * AllegroSound ' love what you listen with' ♥ CROSSOVERS ♥ This page is updated DAILY & best viewed on a LARGE screen with screen-pointer. If you use IE, select 'Compatibility View'. * iPhone - iPad - iPod with iOS7 or later ver iOS: place finger on image & hold until text shows in lower part of iScreen; clickfor iScreenshot. If you arrived here via Search Engine or via Toolbar, you may be on old page; click for Current page.

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• to resize, rotate scroll-wheel while holding down Ctrl-key. • recommended browser: Palemoon or Firefox. • if you have only IE, select 'Compatibility View'. PTC = partial trades considered. Mission AllegroSound ™ has been dedicated to accurate recording and reproduction of acoustic music for well over ¼ Century. For those who value ears-on experience, AllegroSound is 'hear' to assist you.

Trades welcome! Featuring * AllegroQC ™ with 40 yrs experience. * Safe-Packing.

Trust your purchase to one who knows and cares to pack it so you receive it in the same condition:-) * Commercial Invoice with proper HTS# provided with foreign shipments reduces unnecessary delay & damage in Customs. World-Wide Shipping Condition Most be 30~70 years old with imperfections including, but not limited to, old capacitors, non-functioning lamps, off-center knobs, oxidation, scratches, nicks, dings, etc. NO 'perfect'! All pre-owned/used unless otherwise ntd. AllegroGrade ™ on scale of 1~6: 6 = New-In-Sealed-Box.

5 = New-In-Open-Box. 4 = Demo-In-Open-Box. * most be AllegroGrade 3 - actual pics sent prior to packing if not already posted. All sales as-is and final, so if you have any special requirements regarding condition, tell me before sending deposit/payment.

See Pics, MainsVoltage, Termsbelow & Questions & Answers (Q+A) in Menu. Pics Pics are shown for display purposes & may not represent exact condition; text trumps pics - read description and email if you need clarification. Mains Voltage & What To Do About It Price$ Place screen-pointer over the spin- ning gold disc in the listings below, price will show in 1~2 secs; if not, Click 'HELP' in the floating Menu.