The Testarossa Loudspeaker Kit, by Jeff Bagby

When we published this kit in mid-2018, Jeff’s Testarossa system had been running for about 4 years. Jef is a prolific builder and not too many systems stay in his listening room. But, the Testarossa had remained in his collection the longest.

This kit was a result of Jeff’s curiosity with the RAAL tweeter design, which started with the Auricle – TM. What he found interesting was the tweeter’s internal transformer section. It could be manufactured to start a natural roll off. Then, combined with the passive network components, it gave the desired slope. As a result, the crossover has two components in the tweeter section.

The woofer section has just two components. The smooth, extended range of the Satori woofers allows this benefit. Combined, this lets you have premium parts without a big increase in the total cost.

The cabinet is 8.5″ wide, 39″ Tall, and 13″ Deep.

Jeff Bagby'sTestarossa Cabinet — Jeff Bagby’sTestarossa Cabinet

You can build the kit in 3 different versions: Sealed (acoustic suspension), vented (bass reflex) and passive radiator (drone).

The basic Bare Bones kit includes:

2 x RAAL, 70-20RX Ribbon Tweeter – We have had delays in getting the tweeters.
4 x Satori, MW16P Papyrus cone woofer – You can also choose the white cone version if you prefer.
2 x Specified, Perfect Layer Litz Wire inductors
2 x Mundorf Supreme and Clarity CSA Capacitors
2 x Lynk Resistors
Directions and build plans

The optional Full Kit add-on parts include:

2 x Big Post, terminals
2 x 16ga Internal Hook up wire
2 x Crossover mounting board and solder lugs
2 x All mounting hardware
2 x Internal damping materials

Extra optional items include:

3″ Precision Ports – for vented or MLTL design
10″ SB Acoustics Passive Radiators – for the PR design
Assembled crossovers

We are happy to customize this kit for you – different capacitors, etc. – even if we don’t normally stock them. Just let us know your preferences and we can quote accordingly. Some component upgrades are listed above in the drop down when ordering.

Brand

Bagby

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Testarossa Loudspeaker Kit

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