Eminence Prototype Speaker???

Inspector #20

Inspector #20

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I thought his was interesting...I emailed Eminence, but nothing back from them yet.

75 Watts, 12", 8 Ω 38 ounce magnet

Thoughts???

Considering it for an open back Marshall 50 watt solid state as an upgrade. The stock speaker cone looks a little ragged to my eye. It's a Marshall 'MG' series with no other data on it...


Emminence Speaker 2.jpg



Emminence Speaker.jpg
 
If it was in fact a proto, and it does appear to be, they won't tell you anything much. Those are done to customer specs and kept in confidence.

No harm in trying it in the Marshall. Could be interesting, not knowing how its voiced. Maybe you will like it!
 
gball said:
If it was in fact a proto, and it does appear to be, they won't tell you anything much. Those are done to customer specs and kept in confidence.

No harm in trying it in the Marshall. Could be interesting, not knowing how its voiced. Maybe you will like it!
Click to expand...

The speaker in the Marshall is ok, but it's paper with no edge treatment and it's 19 years old, so I was thinking an upgrade may be appropriate????
 
gball said:
I'd try it. The speakers in those MGs were nothing to get excited about from what I remember, so it may be a big upgrade in sound and if not it's easy enough to switch back.
Click to expand...

Good thinking. The price is right too...$30.00
 
Got the data sheet from Eminence.



Sample Number
05-12-097 (2005 Production Sample)



Re 7.17 Ohms fs 98.5 Hz

Le 0.54 mH Mms 31.5 grams

QM 9.38 Mmd 24.6 grams

QE 0.83 Cms 0.083 mm/N

QT 0.76 Rms 2.073 N*sec/m

Xmax 0.79 mm Vas 31.8 liters

Pmax 150 Watts SD 519.5 cm^2

Bl 12.98 Tm VD 40.9 cm^3

Coil Diameter 2.00 Inches EBP 118.9

Gap Height 0.313 Inches Magnet Weight 38 ounces

Efficiency 3.55 % Winding Width 0.375 inches

SPL 97.5 dB 1W-1m
 
Celestion G12H75 Specs:

General Specifications:

Nominal diameter 12", 305mm

Power rating 30Wrms

Nominal impedance Available 8 Ω or 15 Ω

Sensitivity 100dB

Chassis type Pressed steel

Voice coil diameter 1.75", 44.5mm

Voice coil material Round copper

Magnet type Ceramic Magnet weight 50oz,

Frequency range 75-5000Hz

Resonance frequency, Fs 75Hz

DC resistance, Re 6.53 Ω and 12.11 Ω
 
Could some of you more knowledgeable speaker guys give me an opinion on this speaker's suitability for a combo???
 
Nice speaker. Very well made. Installed it and was surprised at how dark it was compared to the untreated paper speaker in the SS Marshall.

All EQ's had to be altered and even with treble up high, there is still a dark quality to the tone.

My first time experiencing this...dark tone.

The speaker in my 2000 Marshall G50 is also a plain black basket and plain magnet. It only has a small decal on the side of the magnet with some numbers on it...no country of origin.

Put the unbranded, 19 year old, undoped speaker back in and EQ's came right back to center.
 
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Sounds to me that it needs to be broken in. I will usually hook a new speaker up to an amp with a looper playing 10 minutes of my random wank, turn it up moderately loud and go out for the afternoon. 5-6 hours of that really changes a speaker IME.
 
gball said:
Sounds to me that it needs to be broken in. I will usually hook a new speaker up to an amp with a looper playing 10 minutes of my random wank, turn it up moderately loud and go out for the afternoon. 5-6 hours of that really changes a speaker IME.
Click to expand...

Hmmmm....good idea!!!!
 
gball said:
Sounds to me that it needs to be broken in. I will usually hook a new speaker up to an amp with a looper playing 10 minutes of my random wank, turn it up moderately loud and go out for the afternoon. 5-6 hours of that really changes a speaker IME.
Click to expand...

The stock paper speaker sounds fine, I was just worried about it being 19 years old and no edge treatment.
 
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