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Pédale d'effet

  • Boîtier d'isolation passif avec grande fidélité de signal
  • Isole et élimine les ronflettes causées par les boucles de masse
  • Convient pour les applications sur scène et en studio
  • Utilisable dans les deux directions
  • Deux prises pouvant traiter le signal de manière symétrique ou asymétrique
  • Ne nécessite aucune alimentation électrique
  • Entrée sur XLR
  • Sortie sur Jack stéréo 6,3 mm
  • Dimensions (L x P x H): 47 x 72 x 34 mm
  • Poids: 206 g
  • Fabriquée en Allemagne
  • Référencé depuis Avril 2023
  • Numéro d'article 564918
  • Conditionnement (UVC) 1 Pièce(s)
  • Multicanal Non
  • Canaux 1
  • Active/Passive Passive
  • 19" Non
  • Pad commutable Non
  • Interrupteur de masse Non
  • Alimentation par pile Non
  • Simulation de HP Non
108 €
Tous les prix TVA incl. (TTC)
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google translate it
Une erreur est malheureusement survenue, veuillez réessayer ultérieurement svp.
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...not just problem solver – system enhancer, too!
rbbrnck 14.08.2025
i have two (bass) amps [that i use for voice, synths, guitar, and bass] fronting me from the other side of the room, opposite corners (as in left-and-right) – with all troubles happening in between.

fare's too long for unbalanced lines, to start with – then you have signal source, amp left, and amp right plugged into different AC mains outlets... ground loops, hi-freq interferences, unsymmetrical grounding, you name it.

benefit one: instead of taking source signal at the unbalanced, 1/4" l+r outputs of my Helix Rack, i'm now running two long (balanced) cables plugged into its 3-pole XLR outputs – the end of each going straight into the Lehle P-ISO XLR·TRS; a short, made to measure jack-to-jack cable feeds into the amp input.

where's the benefit: there's a superb 1:1 audio transformer inside the Lehle P-ISO, which not only sets a most convenient impedance value across the line, but serves as a galvanic isolator, too – meaning that the signal ground is physically separated from the mains grounding of the three devices (farewell ground loops' hum and interferences).

where's a(nother) benefit: as any normal 2-pole 1/4" jack into the P-ISO output shunts the inverting leg of a balanced line to ground, signal voltage is exactly halved (which amounts to -6dB) – so any line level signal (like the Helix Rack balanced outputs, and my Mackie Onyx mixer's, too) can more comfortably seat within a safe level window that won't saturate the amp's input stage, resulting in a smoother, wider range of volume control.

problem's solved, system can now alternatively accomodate a small mixer, too, and the amps' volume fits exactly where it belongs (on the -10dB "Active" input settings)... bingo – Lehle!
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