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Categories›Microphones›Radial Twin-Servo 500 class-A/A-B microphone preamp
Radial Twin-Servo 500 class-A/A-B microphone preamp
Updated 11 May 2026
BrandRadial
CategoryMicrophones
Available at1 UK stores
90-day avg£856.00
Radial

Radial Twin-Servo 500 class-A/A-B microphone preamp

£856.00£1130.00↓ 24% offFair Price
Cheapest at Bax · 1 store
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PRICE HISTORY
Current
£800
Change
+1.2%
Avg
£785
Low
£753
High
£805
Volatility
1.6%
PRODUCT DESCRIPTION
  • The original Twin-Servo preamplifier has been updated and now bears the name Twin-Servo 500. It&apos
  • s a class A microphone preamp that operates as a class A/B when it&apos
  • s pushed to its limits. To prevent phase shift, the condensers have been replaced by two servos, two 990 op-amps and two Jensen transformers. This also means that the preamp reproduces an incredibly wide frequency range with impressive bass.