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And a Merry Upgrade was had by all...[speaker upgrade question]

ItIsI

New Member
*The specs make this post seem longer than it really is, but I wanted to make it easier to compare.

My sister recently spoke the words "I want a turntable," and it has given me an opening to upgrade my set up. Got the turntable, got the amp, and now her first setup just needs speakers.

Unfortunately, the selection of decent bookshelves at low prices on my local craigslist is slim.
Here's a couple of pairs I'm considering. Thoughts?

Sansui S-530 ($60)
Woofer: 8" Cone-type
Midrange: 4" Cone-type
Tweeter: 2" Cone-type
Max Input Power: 60 watts
Impedance: 8ohms
Sensitivity: 90 dB/W (at 1m)
Frequency Range: 35 to 22,000Hz
Crossover: 4500 Hz, 10,000 Hz

JBL 2060 ($45)
Recommended Power Amplifier Range 10 - 100 watts
Nominal Impedance 8 ohms
Woofer 6.5" high polymer laminate
Tweeter 14mm pure titanium dome
Frequency Response 45Hz - 23kHz
Crossover Frequency(ies) 4.5kHz

If these are a pass, I'm considering giving her my Advent Prodigy Towers, which means I get to make my first speaker upgrade!

My speakers:

Advent Prodigy Tower
Frequency Response= 42Hz to 23kHz +/-3dB
Impedance= 6 to 8 ohms
Recommended Amplifier Power= 10-75 Watts
300 Watts Peak, 75 Watts RMS
Sensitivity (2.83 volts @1 meter)=89dB
Crossover Frequency= 3kHz
Resonance= 60Hz +/-5Hz
Harmonic Distortion= <0.8% above 80Hz @ 1 Watt
Tweeter Dispersion (Variance 30° V or H to 13kHz)= <+/-1dB
Tweeter= 3/4” ferrofluid filled parabolic soft dome (Prodigy II=PPTA high performance)
Woofer= 8” high extrusion aluminum coil form


The contenders:

Pinnacle AC 850 ($200, Like New)
Frequency Response: 30-21 kHz (+/- 3 dB)
Crossover Frequency: 2.2 kHz
Recommended Amplifier Power: 15-250 Watts RMS per channel
Operative Power Range: 5-125 Watts RMS Continuous, 375 Watts Peak
Sensitivity: 93 dB (2.83 Volts Pink Noise @ 1 Meter)
Nominal Impedance: 8 Ohms

( Full specs here)

Infinity Reference 5 ($275, great condition, recently refoamed)
Frequency Response: 40Hz - 40kHz (+/-3dB)
Crossover Frequency(ies): 300Hz, 4kHz
Sensitivity: 90dB (1 watt/1 meter)
Nominal Impedance: 6 ohms
Power Rating: 25 - 200 watts
Woofer: 10" (25.4cm) IMG
Midrange Driver: 5" (12.7cm) IMG
Tweeter: EMIT-R


My main concern is whether these possible replacements will play well with my Sansui 2000x, which has 39 watts per channel (specs). I don't think it can give the Reference 5s the juice they need to reach their potential, but what about the Pinnacle AC 850s?

So to recap:
Are the Sansui S-530 and JBL 2060 decent speakers? If so, the search is over! No speaker upgrade for me! If not...are the Pinnacle AC 850s a significant upgrade from the Advent Prodigy Towers, and will the Sansui 2000x power them sufficiently?
 
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