Short answer: the Pioneer SP-BS22-LR (Philharmonic AAM Mod). It ranks #33 of 56 bookshelf speakers by sound quality at $168; the JBL Stage A130 ranks #44 and costs $399, so there is not much of a tradeoff to weigh.
What the Pioneer SP-BS22-LR (Philharmonic AAM Mod) offers: This is Dennis Murphy’s “Affordable Accuracy Monitor” (AAM) mod of the discontinued. Watch for: Some directivity error appears near the crossover frequency.
On the JBL Stage A130 side: More constant, better-behaved directivity than the smaller A120 once past the tweeter crossover point, giving a more consistent radiation pattern that likely explains some of its positive reception among other reviewers. Set against that: Still shows the same underlying “Batman”-shaped response pattern as the A120: a bass bump, a midrange dip, a cabinet-resonance peak around 800Hz-1.7kHz (confirmed via accelerometer testing on the cabinet panels).
Buy the Pioneer SP-BS22-LR (Philharmonic AAM Mod). It ranks higher for sound quality than the JBL Stage A130 and costs less, so there is no real case for the other one.
If sound quality matters at all to you, skip the JBL Stage A130. It ranks near the bottom of the 56 bookshelf speakers, so look higher up the list instead.
Specifications Side By Side
| Pioneer SP-BS22-LR (Philharmonic AAM Mod) | JBL Stage A130 | |
|---|---|---|
| Price | $168 | $399 Discontinued |
| Ranked | #33 of 56 in Medium Size Bookshelf Speakers | #44 of 56 in Medium Size Bookshelf Speakers |
| Bass Extension (-3dB) | 78Hz (measured, Audio Science Review) | 66Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-10dB) | 60Hz (measured, Audio Science Review) | 50Hz (measured, Erin’s Audio Corner) |
| Drivers | 1x 4" curvilinear-cone woofer (stock Pioneer), 1x Peerless BC25TG15 1" silk dome tweeter (replacement) | 5.25" (133mm) polycellulose woofer, 1" (25mm) aluminum dome tweeter |
| Weight | 9 lbs / 4.1 kg | 12 lbs / 5.45 kg each |
| Sensitivity | 83dB (2.83V/1m, measured by Audio Science Review) | 85.2dB (measured, Erin’s Audio Corner) |
| Impedance | 8 ohms nominal (approx. 5 ohms minimum, measured by Audio Science Review) | 6 ohms nominal, about 4.3 ohms minimum (measured, Erin’s Audio Corner) |
| Crossover Frequency | 3000Hz | 3.2kHz |
| Dimensions | 12.6"H x 7.1"W x 8.5"D (320.0 x 180.0 x 215.0 mm) | 12.6"H x 7.5"W x 9.1"D (321 x 190 x 230 mm) |
| Woofer Cabinet | ported, rear | ported |
| Discontinued | - | Yes |
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The Two Speakers In Full
Pioneer SP-BS22-LR (Philharmonic AAM Mod): $168
Pros: This is Dennis Murphy’s “Affordable Accuracy Monitor” (AAM) mod of the discontinued, budget Pioneer SP-BS22-LR: the stock tweeter is swapped for a Peerless BC25TG15 dome and a redesigned 3rd-order crossover is built to match it to the stock 4” woofer. CEA2034 spinorama shows only small variations from a flat on-axis response with some directivity error near the crossover, a marked improvement over the unmodified Pioneer, which the reviewer notes shows much more variation from flat. Distortion at 86dB SPL/1m is reasonably controlled above 200Hz, and tweeter distortion barely rises even at 96dB SPL/1m.
Cons: Some directivity error appears near the crossover frequency. Distortion climbs in the woofer’s range (below 200Hz) at both 86dB and 96dB SPL/1m. Minimum impedance dips to about 5 ohms with a couple of resonance peaks. This is a DIY project, not a finished retail product: Murphy sold ~$168 pre-built pairs for a while but no longer does, so it now requires sourcing a used/discontinued Pioneer SP-BS22-LR pair plus building the crossover and swapping the tweeter yourself. The mod itself is public domain, but there is no current turnkey way to buy this speaker.
Full Pioneer SP-BS22-LR (Philharmonic AAM Mod) review and specifications →
| Bass Extension (-10dB) | 60Hz (measured, Audio Science Review) |
|---|---|
| Bass Extension (-3dB) | 78Hz (measured, Audio Science Review) |
| Crossover Frequency | 3000Hz |
| Dimensions | 12.6"H x 7.1"W x 8.5"D (320.0 x 180.0 x 215.0 mm) |
| Drivers | 1x 4" curvilinear-cone woofer (stock Pioneer), 1x Peerless BC25TG15 1" silk dome tweeter (replacement) |
| Impedance | 8 ohms nominal (approx. 5 ohms minimum, measured by Audio Science Review) |
| Sensitivity | 83dB (2.83V/1m, measured by Audio Science Review) |
| Weight | 9 lbs / 4.1 kg |
| Woofer Cabinet | ported, rear |
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JBL Stage A130: $399 Discontinued
Pros: More constant, better-behaved directivity than the smaller A120 once past the tweeter crossover point, giving a more consistent radiation pattern that likely explains some of its positive reception among other reviewers. Distortion at 96dB measures slightly better than a direct competitor (Emotiva Airmotiv B1+) in the low end, though slightly worse at high frequencies. The tweeter itself sounded decent to the reviewer, who considers it a reasonable value at its price point despite other reservations. Wide, well-filled horizontal radiation through the midrange.
Cons: Still shows the same underlying “Batman”-shaped response pattern as the A120: a bass bump, a midrange dip, a cabinet-resonance peak around 800Hz-1.7kHz (confirmed via accelerometer testing on the cabinet panels), and roughly a 5dB treble bump around 10kHz. Does not include a port bung, so sealed-cabinet listening requires DIY stuffing rather than a proper factory solution. The reviewer’s own measurements notably diverge from another well-known publication’s results on this same model, possibly reflecting a running production change, though this couldn’t be confirmed. Overall sound quality struck the reviewer as not a good-sounding speaker despite the more favorable measurements relative to the A120. Output-limited at extreme volumes (102dB), similar to its smaller sibling. Loses to the similarly-priced Emotiva Airmotiv B1+ in overall linearity and neutrality, according to the reviewer’s direct comparison. Discontinued.
Full JBL Stage A130 review and specifications →
| Bass Extension (-10dB) | 50Hz (measured, Erin's Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 66Hz (measured, Erin's Audio Corner) |
| Crossover Frequency | 3.2kHz |
| Dimensions | 12.6"H x 7.5"W x 9.1"D (321 x 190 x 230 mm) |
| Discontinued | Yes |
| Drivers | 5.25" (133mm) polycellulose woofer, 1" (25mm) aluminum dome tweeter |
| Impedance | 6 ohms nominal, about 4.3 ohms minimum (measured, Erin's Audio Corner) |
| Sensitivity | 85.2dB (measured, Erin's Audio Corner) |
| Weight | 12 lbs / 5.45 kg each |
| Woofer Cabinet | ported |
As an eBay Partner, we may be compensated if you make a purchase.
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- JBL Stage A130 vs Fluance Signature HFS
- JBL Stage A130 vs JBL Control 1 Pro
- JBL Stage A130 vs Q Acoustics 5020
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