The bass is passive with a series/parallel switch, often confused with a phase switch.

The SB1000 features an MB1E dual coil humbucker with an active varitone rotary preamp and an LED indicator that blinks when connected.

The Black 'n' Gold model has a reverse split coil humbucker in a soapbar housing, with a passive setup and a wider nut spacing similar to a Jazz bass.

Some models have the serial number stamped on the fretboard, while others have it on the back, indicating production variations.

The Kent Armstrong Aria replacement pickup is recommended for maintaining original specs, available handmade from the US or UK.

For those seeking an MB-II pickup, it's advised to order the original wound version to avoid custom issues.

The SB-Elite 1 is physically identical to the Black 'n' Gold model but differs in aesthetics, offering a similar experience to that of Cliff Burton's bass.

The SB1000 has a narrow bridge spacing with a wide nut, whereas the Black 'n' Gold features wider bridge spacing with a narrower nut, affecting playability.

The Korean-made 2015 SBCB 1000 is noted for its beauty and quality, compared to the Cliff Burton model with gold hardware priced around 4k.

The SB1000 typically has an ebony fretboard, while the Black 'n' Gold uses rosewood with cat eye inlays.

There have been reports of Aria using Peavey pickups temporarily due to supply issues, affecting some models' consistency.

The SB1000 runs on two 9V batteries, and the anodized aluminum battery compartment lid is secured with different types of screws.

Owners note the SB1000's varied tonal capabilities due to the 6-way selector switch, allowing for a brighter tone when active.

Cliff Burton's use of both models suggests the pickup position, amp, and playing style significantly influence tone, more so than model differences.

Online catalogues of the Aria Pro II SB series offer extensive specifications, useful for verifying model details and features.