Vol. I27 May 2026Bench
15 speakers indexed
The independent guitar-speaker review
guitarcab.com
No brand partnerships · since 2026
ShootoutsGreenback vs. P12R
Shootout № 07 · 11 min
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— vs — · side by side
Two low-watt cones · two ways to give up

Celestion
G12M Greenback.

12″ · 25 W · 98 dB · ceramic
vs.

Jensen
P12R.

12″ · 25 W · 8 Ω · 93.7 dB · alnico
Celestion G12M Greenback · Jensen P12R
Fig. — SPL response · on-axis, 1 m · 80 Hz – 8 kHzlens · voice
80 Hz8 kHz
Where they sit · voice
Bass
shy
lean
tight
full
Mids
recessed
balanced
forward
honky
Top
dark
smooth
sparkling
piercing
sizzling
Where they differ · voice
The Greenback fills the low mids; the P12R scoops them. Both have an upper-mid peak, in different places — Greenback's broader and lower, P12R's narrower and piercing. Greenback is British mid-loaded; P12R is American tweed-era scoop.
Independent·No brand partnerships·Real FR data·Rigorous methodology
Vol. I— colophon below
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© 2026 · Eli Stowe