all
Bands
1978
Introduced
Frequencyn/a
PowerCW iambic (twin lever) paddle. NOT the Vibrokeyer, which is a single lever paddle.
ModesCW
Weight2.27 kg (5 lb) - ~5 lb (2.3 kg) on a heavy steel base about 3.5 x 4.5 in (3.25 in tall) - deliberately heavy so it does not slide.
Year1978
Connectors
keybinding post/screw terminals on base — cord NOT included, operator supplies own cable and plug
power reqnone

Estimated (unverified): Vibroplex introduced its dual-lever iambic line in the 1970s; the often-cited ~1978 date is approximate and not firmly documented. Exact current pricing varies by dealer.

iambic (twin lever) paddle for use with electronic keyers spring-loaded tension (not magnetic) non-jeweled trunnion pin and socket movement (Standard model) ECO-BLACK powdercoated textured base with chrome top parts adjustable contact spacing and spring tension 5 to 50+ WPM (depends on electronic keyer) cord NOT included — operator supplies own cable and plug variants: Standard (black, non-jeweled), Deluxe (chrome, jeweled), Presentation (24K gold, jeweled), 24K Gold traditional Vibroplex yoke assembly design carried over from bug line made in Knoxville, Tennessee, USA (iambic paddles since ~1978)
Strengths

Vibroplex's twin-lever iambic paddle, backed by over a century of key-building. The spring-loaded tension gives a crisp, repeatable feel. The traditional Vibroplex yoke assembly carries over from the bug line, so experienced Vibroplex operators will feel at home. Dual symmetrical levers on trunnion pins allow tight contact clearances. It is offered in multiple finishes, including 24K gold, with over 100,000 in use worldwide. Made in Knoxville, Tennessee.

Weaknesses

The cord is not included; the operator supplies a cable and plug. It costs more than the Bencher BY-1 (which Vibroplex now owns). The spring-tension mechanism feels different from magnetic-return paddles (Begali and similar). The non-jeweled Standard model lacks the refinement of the jeweled Deluxe. The Vibroplex name carries a price premium. It is not as smooth as ball-bearing designs.

Verdict

An American-made twin-lever iambic paddle. Vibroplex applied its long key-building experience to the iambic paddle starting around 1978. The spring-loaded tension and trunnion-pin design feel different from modern magnetic-return paddles; some operators prefer it, others do not. For CW operators who want the Vibroplex lineage in a twin-lever paddle, the Iambic Standard fits.

The Vibroplex Iambic is the company's twin-lever paddle - two finger pieces you squeeze to drive an electronic keyer, which then forms the dots and dashes. It has no keyer of its own; it is purely the mechanical input. Vibroplex built its name on the single-lever Vibrokeyer in 1960 and added these dual-lever iambic paddles in the 1970s, once squeeze keying caught on.

It is built the Vibroplex way: a heavy steel base - around five pounds - that simply does not move on the desk, with the trunnion-pin movement and adjustable spring tension familiar from the company's bugs. The Standard wears a black powder-coated base with chrome top hardware; the Deluxe upgrades to a fully chromed base, jeweled pivot bearings, and the trademark red finger pieces. As with the bugs, no cable is included - you wire your own to the terminal posts, or buy one of Vibroplex's ready-made cords.

The natural comparison is the Bencher BY-1, long the default iambic paddle - and a brand Vibroplex now owns. Against it the Vibroplex is heavier and more solid, its spring action less prone to stretching, and many operators find it more durable; the Bencher is lighter and cheaper. The spring-tension feel is also distinct from the magnetic-return action of boutique paddles, which is a matter of preference rather than better or worse.

With well over 100,000 in use, it is a known quantity: an American-made, heavy-based iambic paddle with a century of key-building behind it. If you want something smaller for travel, Vibroplex's own Code Warrior Jr is the portable alternative. For a desk paddle that stays put and lasts, the Iambic is a solid, traditional choice.