FluxTone Model 1

"Vintage American" '50s & '60s

Cone, voice coil, and spider assembly provided by Eminence

That Vintage American Voice that started it all.

Model 1 speaker guitar amp attenuator
Model 1 guitar amp speaker attenuator
click to enlarge
FluxTone Model 1

Ultra High Efficiency, 50 Watts rms, 8 Ohms, 12 inch, 13 pounds, Vintage American tone, with sparkle and definition to die for. Massive back porch!

MicrophoneBeyer M 160 @ 18 inches (on axis)
Pre-AmpGrace Design M 501
GuitarMexican Strat (Dimed)

Includes VMT “Speaker Control” and Wires
Only a few of these original FluxTone speakers left… When they are gone, they are gone.

VMT Speaker Control
Guituar Amp Attenuator Power Supply
VMT Speaker Control
click to enlarge

$1700 (list) + $ Shipping in lower 48 states.

(If you're outside of this area, please Contact Us before ordering.)


Technical Information

Jensen Model (P12R) 25 watt 8 Ohm

This is the voice of an original Jensen P12R, from a well preserved 50 year old driver.

FluxTone Model 1 50 watt 8 Ohm

This is the voice of a FluxTone Model 1. As you can see the pattern is nearly the same.


Frequencies from a guitar speaker below 60hz are influenced more by the cabinet structure than the speaker, and frequencies above 6khz too high for any 12 inch cone to reproduce in a way that can be heard over the normal sounds coming from that speaker (that's why there are tweeters). That being factual, we say "ignore" the data on the graphs below 60hz and above 6khz because they have no bearing on this test.
Thiele & Small Parameters
Magnet Type (Alnico Topology)Copper & Iron
Magnet weight11.7 Lbs.
Resonant Frequency(fs)94Hz
DC Resistance (Re)7.44
Coil Inductance (Le)0.70mH
Mechanical Q (Qms)6.15
Electromagnetic Q (Qes)1.18
Total Q (Qts)0.99
Compliance Equivalent Volume (Vas)32.5 liters / 1.2 cu.ft.
Mechanical Compliance of Suspension (Cms)0.09mm/N
BL Product (BL)12.9 T-M
Diaphram Mass inc. Airload (Mms)32 grams
Efficiency Bandwidth Product (EBP)80
Maximum Linear Excursion (Xmax)0.5mm
Surface Area of Cone (Sd)506.7 cm²
Sensitivity103 dB