Jensen P12R 8 Ohm User manual

Loudspeakers

12"- 25W Vintage Alnico Guitar Loudspeaker

P12R - 8Ω / 16Ω

G ENE RAL C HARACTE RIST ICS

Nominal Ov erall Dia met er 306 mm. 12 in.
Nominal Voice Coil Diamete r 25 mm. 1.00 in.
Mag net Wei ght 200 g 7.00 oz
Ove rall Weig ht 3.55 lbs
Flux Dens ity 0.9 6 T

THIEL E-S MALL PAR AMETERS 8Ω 16 Ω

Voice Coil DC Re sis tance

R

E

6.0 0 12.00 Ω

Res onance Frequ ency

ƒ

S

80 .0 77.0 Hz

Me chanical Q Facto r

Q

M S

12.73 12.53

Electrical Q Factor

Q

ES

2.09 2.6 8

To tal Q Facto r

Q

TS

1.79 2.20

Me chanical Movin g Mas s

M

M S

20.3 19.9 g

Me chanical Complian ce

C

M S

196 214 µm/N

Force Factor Bx L 5.55 6.6 8 Wb/m

Equi valent Acous tic Volu me

V

AS

66 .4 72.6 lt.

Maximum Lin ear Disp lacemen t

X

M AX

± 1.00 ± 0.75 mm

Refe rence Efficie ncy

n

O

1.56 1.19 %

Diap hragm Area

S

D

490 .8 490 .8

cm

2

Los se s Ele ctrical Resistan ce

R

ES

39.0 58.0 Ω

Voice Coil In ducta nce @ 1kHz

L

E

0.50 0 .84 mH

CO NST RUC TIVE CHARAC TER IST ICS

Mag net Alnico
Voice Coil Win ding Cop per
Voice Coil Fo rmer Kapt on
Con e Mate rial Paper
Surrou nd Mate rial Int egrated Pape r
Dus t Do me Material Solid Pap er
Bask et M aterial Pres se d S hee t Ste el

ELECTR ICAL CHARACT ERI ST ICS 8Ω 1 6Ω

Nominal Impe dance 8 16 Ω
Rate d Po wer 25 25 W
Musical Po wer 50 50 W
Sen sitivity@1W,1m 95.0 9 4.0 dB

305.5

277.0

4.0

2.5

132.1

6.0

82.6

49.5

n°8 holes 9×6.5

at 45° on Ø298.5

12/22/2015

Due to continuing product improvement, the features and the design are subject to change without notice.

Je nse n Lo udspe akers · we bsit e: www.j ens en ton e.c om · e mail: inf o@ jen se nto ne .com

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Frequency Response on IEC Baffle (DIN 45575) @ 1W, 1m - Free Air Impedance

Hz

dB SPL

Ω

P12R 8 Ω

P12R 1 6Ω

1