Audio Proz Service and Sales


Bang and Olufsen Beo Lab 4000

Audio Proz Inv #: 70702

Rear inputs: AC power. 1 RCA assignable as L or R channel. 2 - Din power link inputs. Swept tested good. Black "snap on" grills in good condition. Cloth covered mesh metal frame. #9 condition. 

$ 488  Contact Us  

Yorkville E10

Audio Proz Inv #: 90107

Full Range Loudspeakers 350 watts - 8 ohms - 1/10" & 1” HF driver on 100°x25° horn – FOH/Monitor combo - w/flying hardware (two top plus pull-back) - 2x ¼” & 2x Speakon 4 inputs, birch/carpet enclosure

$ 499  Contact Us  

Klipsch RF-52II Tower Speakers

Audio Proz Inv #: 72851

36" tall, dual 5 1/4" metallic cone woofers, 1" titanium dome tweeter horn design, all original drivers sweep tested 35-10khz all OK. These are the better sounding Klipsch design product, full range sound more musical horn performance. Original x-over -not modified. Black Oak look cabinets black knit grills. One brand new grill that matches other speaker grill. Very minor cabinet damage on back top corner, #8+ condition

$ 508  Contact Us  

Yorkville NX300P

Audio Proz Inv #: 90101

300 watts - powered - 1/15” woofer & 80°x50° horn w/1” driver - 250/50 watts bi-amp built in mixer with microphone and line inputs and more.

$ 599  Contact Us  

Yorkville LS608

Audio Proz Inv #: 90108

Passive Subwoofers 1400 watt subwoofer - 8 ohms - 1/18" - horn loaded – 15mm birch plywood/carpet

$ 599  Contact Us  


Email Us or call (617) 926-8020 for more information about repairs and modifications. We carry many OEM replacement parts.


Sansui SP-1700 Pair

Audio Proz Inv #: 71989

Vintage 3 way speakers, *real wood veneer & fancy lattis grill, (1) cabinet has damaged front edges & corners, original 12" textile woofer and 4" midranges - all tested OK (A.P. treated cone) 2 new peerless 2" tweeters per cabinet (upgrade part) ****Audio Pro modified x-over rev 4/5 much improved fidelity**** more detail hi frequency, natural voice midrange, better driver intergration, improved bass, *Wow!!! Excellent Full Range Sound!* condition #8+

$ 600  Contact Us  

(PAIR) Paradigm Mini Monitor V3 Black

Audio Proz Inv #: 72029

All original drivers; sweep tested OK. Woofers cleaned and treated. Audio Pro modified crossover rev.6A - nearfield / midfield. Audiophile upgraded parts; 2nd order high frequency filter and low frequency circuit, special phase corrector, felt cone dampeners on woofers, & felt Carlson damping blanket. Vince owns a pair of these himself, and considers them one of the best small box speakers of all time (of a 6 inch woofer design modified to go down to 35 -40 cycles) Condition #9 some slight dust and dirt on top edge of grills

$ 660  Contact Us  

Paradigm Mini Monitor V3

Audio Proz Inv #: 72035

(Pair) Black, all original drivers sweep tested OK, Audio Pro modified Rev 6 AMF x-over design (audiophile quality parts), 2nd order hi freq filter design, 2nd woofer coil & bass filter, phase corrector circuit, carlson damping blanket, secured with RTV, also added felt cone dampeners to woofers, SN 118997 118996, A.P. Mod Rev 6A, condition #9

$ 660  Contact Us  

Monsoon FPF-600

Audio Proz Inv #: 64125

Pair of 3 way minimal baffle design speakers. Hi & Mid frequency planar magnetics dipole transducers. 6.5" hi quality woofer.  Audio pro modified x-over design, for more natural voice and better driver integration.  Really Nice ! full range, airy open sound. 42" tall with cast metal integrated base. All black with black metal grills.  #9 condition. 

$ 680  Contact Us  

Cambridge Soundworks M80

Audio Proz Inv #: 57648

3 way speakers. Real Maple wood finish cabinets ! Grey knit grills. 8" woofers butly surrounds, large shielded magnets, 3" midrange , 3/4' black poly dome tweeter, all drivers sweep tested OK. Audio Pro modified X-over design Rev 5, Mid/Far field. more natural voice, better driver integration, added short felt Carlson blanket, better deep bass. condition #9+ (Priced for the pair)

$ 680  Contact Us  

Paradigm CC-370 v3 Audio Pro Modified Rev. 5

Audio Proz Inv #: 55013

(Matched Pair),  Center Channel Dual 6.5 inch woofers (shielded), 1 titanium 1 inch tweeter (shielded). Sweep tested all OK. Black Cabinet and grill. 22" wide, 7.5" tall, 9.5" deep. Top quality / best version 3, Paradigm woofers and tweeters , A.P. Modified for Hi Fi listening mid field, tweeter pad, phase correcting crossover,  re-voice one woofer for low freq deep bass response, add carlson damping blanket, Improved fidelity more natural voice, excellent sounding speaker. 9/10 condition.

$ 780  Contact Us  


Read about our Paradigm modifications here.


Yorkville LS701P

Audio Proz Inv #: 90110

Powered Subwoofers 700 watts - powered – 2/10” - low profile mini subwoofer w/internal x-over/processor,level control – carpet

$ 869  Contact Us  

Monsoon FPF-600

Audio Proz Inv #: 64060

Pair of 3 way design minimal baffle,  (1) ribbon planar tweeter, (1) custom modified 2" dome midrange for better clarity & dispersion, and 6.5" woofer. Excellent thick deep bass with thin planar design spacious sound & small footprint speaker. Black metal grill and cast metal base 42" tall. #8+ condition

$ 880  Contact Us  

Yorkville LS808B

Audio Proz Inv #: 90109

Passive Subwoofer 1400 watt subwoofer - 8 ohms - 1/18" - dual tuned – wheels/handles – 15mm birch plywood/carpet. Ultrathane black painted.

$ 899  Contact Us  

Advent Leonardos

Audio Proz Inv #: 15075

Custom built 3-way with dual 8" woofers custom 4 speaker midrange panel, phase corrected crossover circuit

$ 1000  Contact Us  

Klipsch Belle Horn Loader Speaker

Audio Proz Inv #: 56881

3 way system, 15" woofer, large cabinet with walnut 36"h x 3o"w x 19"d, will rebuild with original part, nice condition horns and tweeters

$ 1450  Contact Us  

Yorkville LS801PB

Audio Proz Inv #: 90111

Powered Subwoofers 1500 watts - powered – 1/18” – dual tuned subwoofer enclosure – 1500w internal power amplifier with level control, HF roll-off, speaker or line levels inputs – 15mm birch plywood/carpet

$ 1499  Contact Us  


We specialize in speaker repair and have OEM parts for ADS, AR, Advent, KLH, Scott, and many other brands. Call us at (617) 926-8020 for speaker parts or to inquire about our repairs and modifications.


Yorkville LS2100PB

Audio Proz Inv #: 90112

2400 watts - powered - 1/21" neo spkr - w/ level cntrl, HF roll-off, & Shape cntrl - 15mm birch plywood/carpet. Ultrathane black painted version

$ 2299  Contact Us