Description
Don’t let the 15.5 lb chassis fool you — the SVT-7PRO carries real Ampeg weight in the low end. This demo/open box unit runs a single JJ 12AX7 tube up front for that classic preamp bite, then hands things off to a Class-D power section that somehow crams 1000 watts at 4 ohms (600 at 8 ohms) into a box you could tuck under an arm. Bassists who’ve hauled full-size SVT heads to a gig know exactly what this saves your back.
Tone shaping goes beyond simple bass/mid/treble — the 5-position mid control lets you carve out room for your fundamental to actually cut through a mix, while the Ultra Lo and Ultra Hi boosts add sparkle or sub-thump on demand. There’s also a variable compressor built right in, so you can tame slap peaks or smooth out a heavy-handed pick attack without reaching for a pedal.
On the practical side: a remote-switchable FX loop, transformer-balanced line out for clean DI runs to the board, a switching power supply for reliable performance across venues, and removable rack ears if you’d rather mount it than sit it on a cab. Scale it from a compact PN-115HLF up to a full Heritage SVT-810E stack — this head doesn’t care which end of the rig you throw at it.
- 1000 watts @ 4 ohms / 600 watts @ 8 ohms
- Tube preamp (1x JJ 12AX7) into a Class D power amp
- 5-position mid control plus Ultra Lo/Hi boosts
- Onboard variable compressor
- Transformer balanced line out
- Removable rack ears included
- Switching power supply
- Weight: 15.5 lbs / 7 kg
This is a demo/open box unit — full power, full tone, at a demo price.







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