Western Electric 15B

Jensen V10 -M10 bass speakers. Extremely efficient and fast speakers. these speakers are very similar to WE ta4151.

GIP 597A model 2 tweeter. this is the best 597a replica on the market. 24 Ohm voice coil , as original we597a. Extremely smooth , low distortion , crisp. See its frequency response on graph below ( with 15a and we555 ). More details in the " driver page " and at www.gip-laboratory.com

3 way "Wide Range" style.

WE15B horn with 2 WE555. I found this horn in Rome where existed till the end of 60's a Western Electric subsidiary. In fact on one horn side there's a label "property of Western Electric Company of Italy".In my system WE15 works full range: 100-4500 Hz no Xover .WE555 power supply is very important: the best way is to rectify ac current with Tungar tubes.

Xover : no high pass on we15b ( the felt carpet in 15a mouth acts as mechanical low pass at high frequencies ) .2mF series capacitor ( WE138QA) on tweeter. Jensen v10-m10 are crossed at 100 Hz 6db with suitable air core coil . The parallel operation of Jensen v10-m10 and we555 under 100Hz , protects the we555 from excessive power , since under 100 Hz the power of amp is divided between we555 and woofer. Cables : only tinned copper wire : WE 12 AWG cloth, stranded. But my preference goes to Supra PLY 2.0 modern cable. This is a modern tinned copper cable. It's sweeter that vintage WE wire . Do not employ red copper cables : the sound is not well balanced with them . Tinned copper cables may appear a bit dull at first listen , but it's much linear , flat and smooth.

15a + Gip597a frequency response , 5° out of axis , 3m distance.we46c amplifier ( 40-10.000 Hz)

my electret cheap microphone has no good response at high and low frequencies , so there's much above 10KHz and below 150 Hz.

the linearity of 15A + Gip597a is outstanding !

Gip597a is crossed at about 4500 Hz 6db slope

WIDERANGE system : 15A , WE597A , ta4151 woofers

I can manufacture WE15A replica.

Quite impossible to manufacture it only from drawings, but having the original speaker...

Click on the picture at left for more images.


my we15b with its we46c amplifier. Mono set up.

more picture of we46c at the " amplifiers page "

we15a = single 555 / we15b = pair 555