The Source Golf – Hertz SPL Monster…
Meet our Demo Van – The Source Golf
Meet our demo vehicle, the Source Golf – Hertz SPL Monster… As we go through the audio system we have a total of 100, yes 100 speakers. They are combined in Hertz Energy ESK 165 components, Hertz Energy ECX 165 coaxials, Hertz Energy ES 250 subwoofers, Hertz SPL Show SV 165mids and Hertz SPL Show ST 25 tweeters. All of these speakers, with the exception of the subs, are mounted in either a custom built fibre glass dashboard or door panels.
The subs are mounted in a custom built sub box and are fitted in 6 banks of 6 subs which are highlighted with custom orange LED lighting. To power all these speakers we also have a total of 17,520 pure RMS Watts which is made up of 9 Hertz HE4 4 channel amplifiers and the SPL Monster MP 15K Unlimited which alone contributes 15,000 of those RMS watts to drive the 36 10″ subwoofers. To drive this behemoth of an audio system, there are 2x 250a alternators fastened to the engine. This has been done by using a custom fabricated bracket made from 10mm solid steel.
In the rear of the vehicle there are 6 (plus 1 under the bonnet) Kinetik HC1200 heavy duty audio batteries all linked via 0g cable to the 2 thunderous alternators. To manoeuvere the vehicle you sit on the centre section of the Hertz amps which form a seat base.
The source unit for the entire system is a Kenwood touch screen monitor. This is linked to solid state media such as an iPod or USB memory sticks. This was done as CDs were likely to skip and jump with the amount of bass the system creates. The vehicle can also be remotely operated from an iPad and via a Bluetooth receiver from an iPhone.
Signal
The Full Range signal from this screen goes into an Audison BitOne before being split into High and Low frequencies. The high frequency range goes into 2 Audio Control Matrix line drivers before being fed into the 9 Hertz amplifiers. The lower frequency outputs through Audio Control Epicentre before reaching the monstrous MP15k amplifier.
The vehicle itself has undergone some major engineering work and custom modifications to get it where it is today. The doors have been built in house to motorise outwards and lift up. This then reveals the inside of the vehicle to the world.
The radiator has been moved from its usual home and now locates to the rear of the vehicle. This was done to house 2 huge 250a alternators that power the system, with each alternator having its own voltage regulator.
Due to the location of the amps, a custom handbrake mechanism was designed which now motorises on and off from the flick of a switch instead of the cumbersome original VW handbrake. The vehicle sports a hi-tec Clifford Thatcham category 1 alarm system to keep it fully secure.
Check out this latest promo video for our amazing golf!