ADC 675

Name: ADC 675
Brand: ADC

That rare pediatric scope that doesn’t sacrifice acoustics for size — light enough for tiny patients, serious enough for real diagnostics.

Overview

The ADC 675LB Dual-Head Pediatric Stethoscope Proscope — also marketed as the Proscope™ 675, Pediatric Dual-Head Scope — isn’t flashy, but it’s built with purpose. Made by American Diagnostic Corporation (ADC), this is one of several models in the ADC Proscopes line, which includes the 660, 670, 675, and 676. Where the 660 sticks to a diaphragm-only chestpiece, the 675 steps up with a full combination setup: both a 1.4" diaphragm and a 1" bell, sized specifically for pediatric patients. It’s designed to bridge the gap between lightweight comfort and clinical accuracy, making it a practical choice for general exams in institutional settings.

At just 2.6 oz (75 g) total, it’s featherlight without feeling flimsy. The chestpiece is crafted from lightweight aluminum with an anodized finish, and the entire unit clocks in at 31.5" (80 cm) end to end. It’s not trying to be a cardiologist’s flagship — it’s the kind of stethoscope you’d find clipped to a resident’s pocket or stacked in a clinic supply cabinet, ready for daily rounds.

What sets the Proscope 675 apart from basic models is its proprietary diaphragm, which ADC claims enhances acoustic response by up to 50% over competing designs. That’s not just marketing puff — in a tool where every decibel matters, that kind of gain can make the difference between catching a murmur and missing it. The chestpiece is also gasket-sealed, which helps maintain sound integrity by minimizing air leaks — a small detail that adds up during long shifts.

Specifications

Manufacturer	American Diagnostic Corporation (ADC)
Chestpiece Type	Combination diaphragm and bell
Chestpiece Material	Lightweight aluminum
Chestpiece Finish	Anodized
Diaphragm Diameter	1.4" (3.5 cm)
Diaphragm Material	PVC
Diaphragm Type	Standard
Bell Diameter	1" (2.5 cm)
Bell feature	Non-chill bell & rim
Headset Type	Lightweight
Headset Material	Aluminum
Headset Finish	Anodized
Tubing Length	21" (55.5 cm)
Tubing material	Flexible PVC tubing made without phthalates
Total Length	31.5" (80 cm)
Total Weight	2.6 oz (75 g)
Includes	A spare pair of black mushroom eartips
Warranty	1 Year - Defects in Materials and Workmanship under normal use and service

Key Features

Proprietary Diaphragm with 50% Enhanced Acoustic Response

ADC doesn’t just slap a diaphragm on and call it good — the Proscope 675 uses a proprietary design they claim boosts acoustic response by up to 50% compared to other models in its class. That kind of improvement isn’t trivial in a pediatric setting, where heart and lung sounds are naturally softer. It means less repositioning, fewer “did I hear that?” moments, and more confidence in what you’re picking up.

Gasket-Sealed Chestpiece

Air leaks kill sound transmission. The 675’s chestpiece is gasket-sealed, a detail borrowed from higher-end models, ensuring that the pathway from patient to ear stays tight. It’s not something you’ll see advertised on every budget scope, but it’s one of those quiet upgrades that make a real difference over time.

Non-Chill Bell & Rim

Kids are sensitive — not just to pain, but to cold metal on bare skin. The 675 features a non-chill bell and rim, which helps prevent that initial shock when the scope touches the patient. It’s a small comfort, but it goes a long way in keeping pediatric exams calm and cooperative.

Phthalate-Free PVC Tubing

The 21" flexible PVC tubing is made without phthalates, which matters in clinical environments where chemical exposure is a concern. It’s durable, kink-resistant, and avoids the plasticizers linked to long-term health risks — a thoughtful touch for institutions prioritizing safety.

Light Blue Design & Institutional Readiness

It’s light blue — not the traditional black or silver — which makes it easy to spot in a drawer or during a quick grab. The color isn’t just cosmetic; it signals a design focused on utility and hygiene. Optional retail display packaging is available for a slight upcharge, suggesting it’s often sold in bulk to clinics or training programs.

Spare Eartips Included

Losing eartips is a universal stethoscope tragedy. ADC includes a spare pair of black mushroom eartips right in the box — a rare and appreciated inclusion at this price point. The headset is lightweight aluminum, anodized for durability, and designed to stay comfortable during extended use.

Collectibility & Value

As a current-production medical tool rather than a discontinued vintage item, the ADC 675 isn’t collected in the traditional sense. But it’s widely available new, with prices varying by retailer. Medex Supply lists it at “Was: $21.95, Your Price: $11.95,” while Integris Equipment LLC offers it from $8.99. These are brand-new units — Given its functional role and lack of production history, it’s unlikely to appreciate. But as a working tool, it offers solid value: reliable build, thoughtful design, and performance that punches above its price.